{"id":476,"date":"2023-02-21T15:08:44","date_gmt":"2023-02-21T15:08:44","guid":{"rendered":"https:\/\/vtechsolutions.vn\/blog\/?p=476"},"modified":"2023-10-17T05:05:28","modified_gmt":"2023-10-17T05:05:28","slug":"he-thong-am-thanh-thong-bao-pa-la-gi","status":"publish","type":"post","link":"https:\/\/vtechsolutions.vn\/blog\/he-thong-am-thanh-thong-bao-pa-la-gi\/","title":{"rendered":"H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o PA l\u00e0 g\u00ec? C\u1ea5u t\u1ea1o v\u00e0 vai tr\u00f2 c\u1ee7a h\u1ec7 th\u1ed1ng \u00e2m thanh PA"},"content":{"rendered":"<p><a href=\"https:\/\/vtechsolutions.vn\/blog\/he-thong-am-thanh-thong-bao-pa-la-gi\/\">H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o PA<\/a> g\u1ed3m nhi\u1ec1u thi\u1ebft b\u1ecb nh\u01b0 micro, b\u1ed9 khu\u1ebfch \u0111\u1ea1i, loa ph\u00e1t thanh, b\u1ed9 x\u1eed l\u00fd \u00e2m thanh, \u00e2m ly,&#8230; H\u1ec7 th\u1ed1ng gi\u00fap ph\u00e1t \u0111i nh\u1eefng th\u00f4ng b\u00e1o, n\u1ed9i dung, tin t\u1ee9c \u0111\u1ebfn c\u1ee7a c\u00e1 nh\u00e2n ho\u1eb7c ng\u01b0\u1eddi qu\u1ea3n l\u00fd t\u1edbi to\u00e0n b\u1ed9 t\u1ed5 ch\u1ee9c. Chi ti\u1ebft v\u1ec1 c\u1ea5u t\u1ea1o, t\u00ednh n\u0103ng, s\u01a1 \u0111\u1ed3, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng PA h\u00e3y c\u00f9ng VTech t\u00ecm hi\u1ec3u trong b\u00e0i vi\u1ebft nh\u00e9.<\/p>\n<div id=\"toc_container\" class=\"toc_light_blue no_bullets\"><p class=\"toc_title\">T&oacute;m t\u1eaft n\u1ed9i dung<\/p><ul class=\"toc_list\"><li><a href=\"#1_He_thong_am_thanh_thong_bao_PA_la_gi\">1\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o PA l\u00e0 g\u00ec?<\/a><\/li><li><a href=\"#2_Tinh_nang_va_vai_tro_he_thong_am_thanh_thong_bao_PA\">2\/ T\u00ednh n\u0103ng v\u00e0 vai tr\u00f2 h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o PA<\/a><\/li><li><a href=\"#4_Nguyen_ly_hoat_dong_cua_am_thanh_thong_bao_PA\">4\/ Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u00e2m thanh th\u00f4ng b\u00e1o PA<\/a><\/li><li><a href=\"#3_So_do_he_thong_am_thanh_thong_bao\">3\/ S\u01a1 \u0111\u1ed3 h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<\/a><\/li><li><a href=\"#5_Cau_tao_he_thong_am_thanh_thong_bao_PA_la_gi\">5\/ C\u1ea5u t\u1ea1o h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o PA l\u00e0 g\u00ec?<\/a><ul><li><a href=\"#51_Thiet_bi_dau_vao\">5.1\/ Thi\u1ebft b\u1ecb \u0111\u1ea7u v\u00e0o<\/a><\/li><li><a href=\"#52_Bo_xu_ly_trung_tam\">5.2\/ B\u1ed9 x\u1eed l\u00fd trung t\u00e2m<\/a><\/li><li><a href=\"#53_Thiet_bi_dau_ra\">5.3\/ Thi\u1ebft b\u1ecb \u0111\u1ea7u ra<\/a><\/li><\/ul><\/li><li><a href=\"#6_Phan_loai_he_thong_am_thanh_thong_bao_PA\">6\/ Ph\u00e2n lo\u1ea1i h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o PA<\/a><ul><li><a href=\"#63_He_thong_am_thanh_IP\">6.3\/ H\u1ec7 th\u1ed1ng \u00e2m thanh IP<\/a><\/li><li><a href=\"#62_He_thong_am_thanh_Digital\">6.2\/ H\u1ec7 th\u1ed1ng \u00e2m thanh Digital<\/a><\/li><li><a href=\"#61_He_thong_am_thanh_Analog\">6.1\/ H\u1ec7 th\u1ed1ng \u00e2m thanh Analog<\/a><\/li><\/ul><\/li><li><a href=\"#7_O_dau_can_trang_bi_he_thong_am_thanh_PA\">7\/ \u1ede \u0111\u00e2u c\u1ea7n trang b\u1ecb h\u1ec7 th\u1ed1ng \u00e2m thanh PA?<\/a><ul><li><a href=\"#73_He_thong_am_thanh_thong_bao_o_chung_cu\">7.3\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o \u1edf chung c\u01b0<\/a><\/li><li><a href=\"#74_He_thong_am_thanh_thong_bao_tai_benh_vien\">7.4\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o t\u1ea1i b\u1ec7nh vi\u1ec7n<\/a><\/li><li><a href=\"#71_He_thong_am_thanh_thong_bao_cong_cong_ngoai_troi\">7.1\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o c\u00f4ng c\u1ed9ng ngo\u00e0i tr\u1eddi<\/a><\/li><li><a href=\"#72_He_thong_am_thanh_thong_bao_o_toa_nha_van_phong\">7.2\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o \u1edf t\u00f2a nh\u00e0, v\u0103n ph\u00f2ng<\/a><\/li><li><a href=\"#77_He_thong_am_thanh_thong_bao_o_truong_hoc\">7.7\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o \u1edf tr\u01b0\u1eddng h\u1ecdc<\/a><\/li><li><a href=\"#78_He_thong_am_thanh_thong_bao_nha_xuong\">7.8\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o nh\u00e0 x\u01b0\u1edfng<\/a><\/li><li><a href=\"#75_He_thong_am_thanh_thong_bao_o_san_bay\">7.5\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o \u1edf s\u00e2n bay<\/a><\/li><li><a href=\"#76_He_thong_am_thanh_thong_bao_o_sieu_thi_khu_thuong_mai\">7.6\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o \u1edf si\u00eau th\u1ecb, khu th\u01b0\u01a1ng m\u1ea1i<\/a><\/li><\/ul><\/li><li><a href=\"#8_He_thong_am_thanh_thong_bao_nao_tot_nhat_hien_nay\">8\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o n\u00e0o t\u1ed1t nh\u1ea5t hi\u1ec7n nay?<\/a><\/li><li><a href=\"#9_Don_vi_lap_dat_he_thong_am_thanh_thong_bao_uy_tin_tai_TPHCM_va_ca_nuoc\">9\/ \u0110\u01a1n v\u1ecb l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o uy t\u00edn t\u1ea1i TPHCM v\u00e0 c\u1ea3 n\u01b0\u1edbc<\/a><\/li><\/ul><\/div>\n<h2><span id=\"1_He_thong_am_thanh_thong_bao_PA_la_gi\">1\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o PA l\u00e0 g\u00ec?<\/span><\/h2>\n<p><strong>H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<\/strong> (Public Address system, vi\u1ebft t\u1eaft l\u00e0 h\u1ec7 th\u1ed1ng PA) l\u00e0 h\u1ec7 th\u1ed1ng g\u1ed3m nhi\u1ec1u thi\u1ebft b\u1ecb \u00e2m thanh k\u1ebft n\u1ed1i ph\u1ee5c v\u1ee5 nhu c\u1ea7u ph\u00e1t \u00e2m thanh c\u00f4ng c\u1ed9ng. m thanh PA c\u00f3 m\u1ee5c \u0111\u00edch th\u00f4ng b\u00e1o, cung c\u1ea5p th\u00f4ng tin \u0111\u1ebfn m\u1ed9t nh\u00f3m ng\u01b0\u1eddi ho\u1eb7c t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi trong t\u1ed5 ch\u1ee9c m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. Vi\u1ec7c n\u00e0y gi\u00fap qu\u1ea3n l\u00fd d\u1ec5 d\u00e0ng v\u00e0 ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3 th\u1eddi gian.<\/p>\n<figure id=\"attachment_485\" aria-describedby=\"caption-attachment-485\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-485\" src=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/he-thong-am-thanh-thong-bao-pa.jpg\" alt=\"h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o PA\" width=\"800\" height=\"421\" srcset=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/he-thong-am-thanh-thong-bao-pa.jpg 799w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/he-thong-am-thanh-thong-bao-pa-300x158.jpg 300w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/he-thong-am-thanh-thong-bao-pa-768x404.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-485\" class=\"wp-caption-text\">H\u1ec7 th\u1ed1ng \u00e2m thanh PA g\u1ed3m nhi\u1ec1u thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i<\/figcaption><\/figure>\n<h2><span id=\"2_Tinh_nang_va_vai_tro_he_thong_am_thanh_thong_bao_PA\">2\/ T\u00ednh n\u0103ng v\u00e0 vai tr\u00f2 h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o PA<\/span><\/h2>\n<p><strong>H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o di t\u1ea3n<\/strong> PA c\u00f3 nhi\u1ec1u t\u00ednh n\u0103ng h\u1ed7 tr\u1ee3 vi\u1ec7c x\u1eed l\u00fd, thu ph\u00e1t \u00e2m thanh hi\u1ec7u qu\u1ea3 \u1edf m\u1ed7i khu v\u1ef1c. C\u1ee5 th\u1ec3 bao g\u1ed3m:<\/p>\n<ul>\n<li>H\u1ec7 th\u1ed1ng ph\u00e2n v\u00f9ng qu\u1ea3n l\u00fd (zone), th\u01b0\u1eddng t\u00edch h\u1ee3p \u00edt nh\u1ea5t 6 zone v\u00e0 c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng zone th\u00f4ng b\u00e1o.<\/li>\n<li>T\u00edch h\u1ee3p v\u1edbi t\u00edn hi\u1ec7u b\u00e1o ch\u00e1y \u0111\u1ec3 ph\u00e1t ra th\u00f4ng b\u00e1o kh\u1ea9n c\u1ea5p \u0111\u1ebfn m\u1ed9t khu v\u1ef1c m\u1eb7c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t s\u1eb5n ho\u1eb7c t\u1ea5t c\u1ea3 khu v\u1ef1c c\u1ee7a t\u00f2a nh\u00e0 t\u00f9y m\u1ee9c \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng.<\/li>\n<li>T\u00ednh n\u0103ng ph\u00e1t t\u00edn hi\u1ec7u kh\u1ea9n c\u1ea5p b\u1eb1ng nhi\u1ec1u ng\u00f4n ng\u1eef t\u1eeb thi\u1ebft b\u1ecb ghi \u00e2m k\u1ef9 thu\u1eadt s\u1ed1.<\/li>\n<li>\u0110\u1ecbnh th\u1eddi gian ph\u00e1t \u00e2m h\u00e0ng ng\u00e0y, h\u00e0ng tu\u1ea7n.<\/li>\n<li>Ph\u00e1t nh\u1ea1c n\u1ec1n gi\u1ea3i tr\u00ed cho c\u00e1c khu v\u1ef1c ch\u1ecdn ho\u1eb7c m\u1ed9t v\u00e0i v\u1ecb tr\u00ed mong mu\u1ed1n.<\/li>\n<li>\u01afu ti\u00ean quy\u1ec1n th\u00f4ng b\u00e1o kh\u1ea9n c\u1ea5p tr\u01b0\u1edbc c\u00e1c lo\u1ea1i ph\u00e1t thanh kh\u00e1c.<\/li>\n<li>\u01afu ti\u00ean th\u00f4ng b\u00e1o h\u01b0\u1edbng d\u1eabn tho\u00e1t hi\u1ec3m khi c\u00f3 h\u1ecfa ho\u1ea1n x\u1ea3y ra (theo ti\u00eau chu\u1ea9n ISO).<\/li>\n<li>Th\u00f4ng b\u00e1o ch\u1ecdn v\u00f9ng d\u1ec5 d\u00e0ng.<\/li>\n<li>\u0110i\u1ec7n n\u0103ng ti\u00eau th\u1ee5 th\u1ea5p.<\/li>\n<li>S\u1eed d\u1ee5ng v\u00e0 qu\u1ea3n l\u00fd d\u1ec5 d\u00e0ng, hi\u1ec7u qu\u1ea3 cao.<\/li>\n<\/ul>\n<h2><span id=\"4_Nguyen_ly_hoat_dong_cua_am_thanh_thong_bao_PA\">4\/ Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u00e2m thanh th\u00f4ng b\u00e1o PA<\/span><\/h2>\n<p>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a <strong>h\u1ec7 th\u1ed1ng \u00e2m thanh l\u00e0 g\u00ec?<\/strong> Public Address System ho\u1ea1t \u0111\u1ed9ng kh\u00e1 \u0111\u01a1n gi\u1ea3n nh\u01b0 sau:<\/p>\n<ul>\n<li>T\u00edn hi\u1ec7u \u00e2m thanh c\u00f3 th\u1ec3 l\u00e0 \u00e2m thanh thu tr\u1ef1c ti\u1ebfp (qua micro) ho\u1eb7c \u00e2m thanh ph\u00e1t t\u1eeb m\u00e1y t\u00ednh, cassette,&#8230; chuy\u1ec3n \u0111\u1ebfn b\u1ed9 x\u1eed l\u00fd trung t\u00e2m.<\/li>\n<li>B\u1ed9 x\u1eed l\u00fd trung t\u00e2m t\u00edch h\u1ee3p t\u00ednh n\u0103ng ch\u1ecdn v\u00f9ng loa ph\u00e1t s\u1ebd truy\u1ec1n t\u1ea3i t\u00edn hi\u1ec7u t\u1edbi t\u1eebng khu v\u1ef1c loa c\u1ee7a v\u00f9ng c\u1ea7n ph\u00e1t ho\u1eb7c to\u00e0n b\u1ed9 c\u00e1c khu v\u1ef1c t\u00f9y nhu c\u1ea7u.<\/li>\n<li>T\u1ea5t c\u1ea3 loa trong c\u00f9ng m\u1ed9t khu v\u1ef1c (m\u1ed7i zone) \u0111\u01b0\u1ee3c \u0111\u1ea5u n\u1ed1i song song v\u00e0 n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi b\u1ed9 x\u1eed l\u00fd trung t\u00e2m \u0111\u1ec3 nh\u1eadn \u00e2m thanh chu\u1ea9n v\u00e0 nhanh nh\u1ea5t.<\/li>\n<li>B\u1ed9 x\u1eed l\u00fd trung t\u00e2m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb c\u1ee7a h\u1ec7 th\u1ed1ng th\u1ee9 3 \u0111\u1ec3 ph\u00e1t \u00e2m thanh trong tr\u01b0\u1eddng h\u1ee3p c\u1ea7n thi\u1ebft nh\u01b0 h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y, h\u1ec7 th\u1ed1ng b\u00e1o \u0111\u1ed9ng,&#8230;<\/li>\n<li>H\u1ec7 th\u1ed1ng PA c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng th\u00eam c\u00e1c thi\u1ebft b\u1ecb x\u1eed l\u00fd \u00e2m thanh, b\u1ed9 t\u0103ng \u00e2m,&#8230;<\/li>\n<\/ul>\n<h2><span id=\"3_So_do_he_thong_am_thanh_thong_bao\">3\/ S\u01a1 \u0111\u1ed3 h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<\/span><\/h2>\n<p>H\u1ec7 th\u1ed1ng PA hi\u1ec7n nay \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ea5t ph\u1ed5 bi\u1ebfn, t\u00f9y theo nhu c\u1ea7u v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m khu v\u1ef1c l\u1eafp \u0111\u1eb7t m\u00e0 s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb \u00e2m thanh kh\u00e1c nhau \u0111\u00e1p \u1ee9ng c\u00e1c m\u1ee5c \u0111\u00edch c\u1ee5 th\u1ec3. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 s\u01a1 \u0111\u1ed3 <strong>h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<\/strong> c\u01a1 b\u1ea3n b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o:<\/p>\n<figure id=\"attachment_487\" aria-describedby=\"caption-attachment-487\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-487\" src=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/so-do-he-thong-am-thanh-thong-bao-pa-1024x487.jpg\" alt=\"s\u01a1 \u0111\u1ed3 h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o PA\" width=\"800\" height=\"381\" srcset=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/so-do-he-thong-am-thanh-thong-bao-pa-1024x487.jpg 1024w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/so-do-he-thong-am-thanh-thong-bao-pa-300x143.jpg 300w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/so-do-he-thong-am-thanh-thong-bao-pa-768x365.jpg 768w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/so-do-he-thong-am-thanh-thong-bao-pa-1536x731.jpg 1536w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/so-do-he-thong-am-thanh-thong-bao-pa-2048x975.jpg 2048w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-487\" class=\"wp-caption-text\">S\u01a1 \u0111\u1ed3 h\u1ec7 th\u1ed1ng \u00e2m thanh c\u00f4ng \u0111\u1ed9ng c\u01a1 b\u1ea3n<\/figcaption><\/figure>\n<p>Trong <a href=\"https:\/\/vtechsolutions.vn\/blog\/so-do-mo-hinh-he-thong-am-thanh-thong-bao\/\">s\u01a1 \u0111\u1ed3 c\u1ea5u t\u1ea1o h\u1ec7 th\u1ed1ng \u00e2m thanh<\/a> c\u01a1 b\u1ea3n g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n sau:<\/p>\n<ul>\n<li>Micro: th\u01b0\u1eddng \u0111\u1eb7t tr\u00ean b\u00e0n ho\u1eb7c g\u1eafn tr\u00ean tr\u1ea7n nh\u00e0 t\u00f9y m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng, l\u00e0 thi\u1ebft b\u1ecb \u0111\u1ec3 thu ph\u00e1t \u00e2m thanh tr\u1ef1c ti\u1ebfp r\u1ea5t c\u1ea7n thi\u1ebft trong h\u1ec7 th\u1ed1ng PA.<\/li>\n<li>\u0110\u1ea7u nh\u1ea1c: \u0111\u1ea7u m\u00e1y, \u0111\u1ea7u \u0111\u0129a, cassette, m\u00e1y vi t\u00ednh, m\u00e1y ph\u00e1t nh\u1ea1c,&#8230; d\u00f9ng \u0111\u1ec3 ph\u00e1t c\u00e1c b\u1ea3n nh\u1ea1c n\u1ec1n ho\u1eb7c b\u1ea3n thu \u00e2m s\u1eb5n.<\/li>\n<li>T\u0103ng \u00e2m: b\u1ed9 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u \u00e2m thanh v\u00e0 d\u00f2ng \u0111i\u1ec7n, gi\u00fap truy\u1ec1n th\u00f4ng b\u00e1o \u0111\u1ebfn c\u00f9ng l\u00fac nhi\u1ec1u loa \u1edf nhi\u1ec1u n\u01a1i.<\/li>\n<li>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n tr\u1ed9n k\u00eanh: gi\u00fap \u0111i\u1ec1u khi\u1ec3n v\u00f9ng \u00e2m thanh theo c\u1ea5u h\u00ecnh t\u00f9y ch\u1ecdn \u0111\u1ec3 t\u1ea1o ma tr\u1eadn \u00e2m thanh mong mu\u1ed1n.<\/li>\n<li>B\u1ed9 ph\u00e2n ph\u1ed1i v\u00e0 c\u00e1c loa: \u0111\u1ec3 chia truy\u1ec1n \u00e2m thanh \u0111\u1ebfn c\u00e1c loa \u1edf c\u00e1c khu v\u1ef1c kh\u00e1c nhau, t\u1eeb \u0111\u00f3 m\u1ecdi ng\u01b0\u1eddi c\u00f3 th\u1ec3 nghe th\u1ea5y.<\/li>\n<\/ul>\n<p>Trong h\u1ec7 th\u1ed1ng n\u00e0y th\u00ec b\u1ed9 qu\u1ea3n l\u00fd \u0111\u1ec3 ph\u00e2n v\u00f9ng, ph\u00e1t \u00e2m thanh ri\u00eang bi\u1ec7t gi\u1eefa c\u00e1c khu v\u1ef1c l\u00e0 r\u1ea5t quan tr\u1ecdng. C\u00e1c h\u00e3ng l\u1eafp \u0111\u1eb7t th\u01b0\u1eddng cung c\u1ea5p gi\u1ea3i ph\u00e1p ph\u00e2n v\u00f9ng \u00e2m thanh c\u01a1 b\u1ea3n theo s\u1ed1 l\u01b0\u1ee3ng gi\u1edbi h\u1ea1n nh\u01b0 8 &#8211; 16 &#8211; 32 &#8211; 64 v\u00f9ng.<\/p>\n<p>Ngo\u00e0i ra trong<strong> h\u1ec7 th\u1ed1ng \u00e2m thanh PA<\/strong> c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u thi\u1ebft b\u1ecb kh\u00e1c t\u00f9y theo y\u00eau c\u1ea7u thu ph\u00e1t \u00e2m thanh \u0111\u01a1n gi\u1ea3n hay ph\u1ee9c t\u1ea1p nh\u01b0: b\u1ed9 x\u1eed l\u00fd trung t\u00e2m, \u0111\u1ea7u \u0111i\u1ec1u khi\u1ec3n c\u1ea3nh b\u00e1o, b\u1ed9 c\u1ea3nh b\u00e1o ch\u00e1y k\u1ebft h\u1ee3p,&#8230;<\/p>\n<h2><span id=\"5_Cau_tao_he_thong_am_thanh_thong_bao_PA_la_gi\">5\/ C\u1ea5u t\u1ea1o h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o PA l\u00e0 g\u00ec?<\/span><\/h2>\n<p><strong>C\u1ea5u t\u1ea1o h\u1ec7 th\u1ed1ng PA l\u00e0 g\u00ec? H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng<\/strong> b\u00e1o g\u1ed3m r\u1ea5t nhi\u1ec1u thi\u1ebft b\u1ecb nh\u01b0ng c\u00f3 th\u1ec3 chia th\u00e0nh 3 nh\u00f3m ch\u00ednh theo ch\u1ee9c n\u0103ng bao g\u1ed3m: c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u v\u00e0o, b\u1ed9 x\u1eed l\u00fd trung t\u00e2m v\u00e0 c\u00e1c thi\u1ebft b\u1ecb li\u00ean quan, c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u ra.<\/p>\n<h3><span id=\"51_Thiet_bi_dau_vao\">5.1\/ Thi\u1ebft b\u1ecb \u0111\u1ea7u v\u00e0o<\/span><\/h3>\n<p>Thi\u1ebft b\u1ecb \u0111\u1ea7u v\u00e0o c\u00f3 vai tr\u00f2 cung c\u1ea5p \u00e2m thanh. <strong>C\u1ea5u t\u1ea1o h\u1ec7 th\u1ed1ng PA<\/strong> c\u00f3 th\u1ec3 g\u1ed3m nhi\u1ec1u thi\u1ebft b\u1ecb \u0111\u1ea7u v\u00e0o c\u00f9ng k\u1ebft n\u1ed1i bao g\u1ed3m:<\/p>\n<ul>\n<li>Microphone: l\u00e0 lo\u1ea1i mic thu \u00e2m thanh \u0111\u01a1n gi\u1ea3n, hi\u1ec7n nay \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong <strong>h\u1ec7 th\u1ed1ng \u00e2m thanh<\/strong> hi\u1ec7n \u0111\u1ea1i.<\/li>\n<li>B\u00e0n g\u1ecdi (Call station): l\u00e0 lo\u1ea1i Micro m\u1edbi \u0111i\u1ec7n r\u1ed9ng, c\u00f3 \u0111\u1ed9 nh\u1ea1y cao, nhi\u1ec1u t\u00ednh n\u0103ng ph\u00f9 h\u1ee3p cho <strong>h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<\/strong> hi\u1ec7n nay. B\u00e0n g\u1ecdi th\u01b0\u1eddng \u0111\u1eb7t \u1edf khu v\u1ef1c l\u1ec5 t\u00e2n, ph\u00f2ng \u0111i\u1ec1u khi\u1ec3n \u00e2m thanh ho\u1eb7c ph\u00f2ng b\u1ea3o v\u1ec7. Tr\u00ean b\u00e0n g\u1ecdi c\u00f3 c\u00e1c n\u00fat b\u1ea5m gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng ch\u1ecdn v\u00f9ng c\u1ea7n th\u00f4ng b\u00e1o. Ngo\u00e0i ra thi\u1ebft b\u1ecb c\u00f3 kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i v\u1edbi b\u00e0n ph\u00edm ho\u1eb7c c\u00e1c c\u00e1p Cat5e\/Cat6<\/li>\n<li>Micro trong tr\u01b0\u1eddng h\u1ee3p c\u1ea7n th\u00f4ng b\u00e1o tin kh\u1ea9n c\u1ea5p.<\/li>\n<li>\u0110\u1ea7u ph\u00e1t nh\u1ea1c n\u1ec1n (DVD Player\/BGM): d\u00f9ng \u0111\u1ec3 ph\u00e1t \u00e2m thanh, nh\u1ea1c n\u1ec1n gi\u1ea3i tr\u00ed, \u0111\u1ea7u c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ecdc th\u1ebb nh\u1edb ho\u1eb7c \u0111\u0129a DVD.<\/li>\n<li>M\u00e1y vi t\u00ednh ho\u1eb7c Cassette: l\u00e0 c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi c\u00f3 th\u1ec3 cung c\u1ea5p \u00e2m thanh \u0111\u1ea7u v\u00e0o kh\u00e1c.<\/li>\n<\/ul>\n<figure id=\"attachment_486\" aria-describedby=\"caption-attachment-486\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-486\" src=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/micro-trong-he-thong-am-thanh-canh-bao.jpg\" alt=\"micro trong h\u1ec7 th\u1ed1ng \u00e2m thanh c\u1ea3nh b\u00e1o\" width=\"700\" height=\"465\" srcset=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/micro-trong-he-thong-am-thanh-canh-bao.jpg 554w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/micro-trong-he-thong-am-thanh-canh-bao-300x199.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-486\" class=\"wp-caption-text\">H\u00ecnh \u1ea3nh thi\u1ebft b\u1ecb \u0111\u1ea7u v\u00e0o Call Station<\/figcaption><\/figure>\n<h3><span id=\"52_Bo_xu_ly_trung_tam\">5.2\/ B\u1ed9 x\u1eed l\u00fd trung t\u00e2m<\/span><\/h3>\n<p>B\u1ed9 x\u1eed l\u00fd trung t\u00e2m (Controller) k\u1ebft n\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u00f3 ch\u1ee9c n\u0103ng ti\u1ebfp nh\u1eadn \u00e2m thanh th\u00f4ng b\u00e1o, l\u1ef1a ch\u1ecdn v\u00f9ng zone v\u00e0 ph\u00e1t \u0111i \u00e2m thanh cho c\u00e1c loa thu\u1ed9c v\u00f9ng \u0111\u01b0\u1ee3c ch\u1ecdn. B\u1ed9 x\u1eed l\u00fd trung t\u00e2m c\u00f3 th\u1ec3 ri\u00eang l\u1ebb (h\u1ec7 th\u1ed1ng PA \u0111\u01a1n gi\u1ea3n) ho\u1eb7c k\u1ebft n\u1ed1i v\u1edbi nhi\u1ec1u thi\u1ebft b\u1ecb x\u1eed l\u00fd \u00e2m thanh kh\u00e1c nh\u01b0:<\/p>\n<ul>\n<li>B\u1ed9 t\u0103ng \u00e2m c\u00f4ng su\u1ea5t ( m ly khu\u1ebfch \u0111\u1ea1i): c\u00f3 vai tr\u00f2 t\u0103ng c\u00f4ng su\u1ea5t cho h\u1ec7 th\u1ed1ng loa, \u0111\u1ea3m b\u1ea3o \u00e2m thanh \u0111\u1ee7 l\u1edbn khi \u0111i \u0111\u1ebfn nhi\u1ec1u loa \u1edf nhi\u1ec1u v\u00f9ng. C\u00f4ng su\u1ea5t \u00e2m ly th\u01b0\u1eddng d\u00f9ng trong h\u1ec7 th\u1ed1ng th\u00f4ng b\u00e1o PA l\u00e0 120W, 240W, 480W, 1000W,&#8230; C\u00f4ng su\u1ea5t c\u00e0ng cao th\u00ec kh\u1ea3 n\u0103ng khu\u1ebfch \u0111\u1ea1i \u00e2m thanh c\u00e0ng t\u1ed1t, ph\u00f9 h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng l\u1edbn g\u1ed3m nhi\u1ec1u loa ph\u00e1t.<\/li>\n<li>B\u1ed9 l\u01b0u tr\u1eef ngu\u1ed3n ph\u00f2ng tr\u01b0\u1eddng h\u1ee3p m\u1ea5t \u0111i\u1ec7n: c\u00f3 kh\u1ea3 n\u0103ng s\u1ea1c t\u00edch \u0111i\u1ec7n khi c\u00f3 \u0111i\u1ec7n v\u00e0 back-ngu\u1ed3n \u0111i\u1ec7n khi x\u1ea3y ra s\u1ef1 c\u1ed1 m\u1ea5t \u0111i\u1ec7n, h\u1ecfng \u0111i\u1ec7n \u0111\u1ed9t ng\u1ed9t. Th\u1eddi gian l\u01b0u tr\u1eef ngu\u1ed3n \u0111i\u1ec7n c\u00f3 th\u1ec3 m\u1ed9t v\u00e0i ti\u1ebfng t\u00f9y theo dung l\u01b0\u1ee3ng b\u1ed9 ngu\u1ed3n.<\/li>\n<li>B\u1ed9 giao ti\u1ebfp b\u00e1o ch\u00e1y: k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi b\u1ed9 x\u1eed l\u00fd trung t\u00e2m \u0111\u1ec3 th\u00f4ng b\u00e1o b\u00e1o ch\u00e1y nhanh ch\u00f3ng, kh\u1ea9n c\u1ea5p.<\/li>\n<li>B\u1ed9 ph\u00e1t th\u00f4ng b\u00e1o t\u00edch h\u1ee3p mixer: l\u00e0 thi\u1ebft b\u1ecb gi\u00fap x\u1eed l\u00fd t\u00edn hi\u1ec7u \u00e2m thanh cao c\u1ea5p, th\u01b0\u1eddng s\u1eed d\u1ee5ng trong c\u00e1c ph\u00f2ng thu &#8211; ph\u00e1t chuy\u00ean nghi\u1ec7p.<\/li>\n<li>Amplifier li\u1ec1n mixer: l\u00e0 thi\u1ebft b\u1ecb t\u00edch h\u1ee3p gi\u1eefa Ampli v\u00e0 mixer, trong \u0111\u00f3 Ampli c\u00f3 vai tr\u00f2 khu\u1ebfch \u0111\u1ea1i \u00e2m thanh ra loa, mixer t\u1ea1o hi\u1ec7u \u1ee9ng, t\u0103ng ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh.<\/li>\n<\/ul>\n<figure id=\"attachment_484\" aria-describedby=\"caption-attachment-484\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-484\" src=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/bo-dieu-khien-he-thong-am-thanh.jpg\" alt=\"B\u1ed9 \u0111i\u1ec1u khi\u1ec3n h\u1ec7 th\u1ed1ng \u00e2m thanh\" width=\"700\" height=\"373\" srcset=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/bo-dieu-khien-he-thong-am-thanh.jpg 620w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/bo-dieu-khien-he-thong-am-thanh-300x160.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-484\" class=\"wp-caption-text\">B\u1ed9 x\u1eed l\u00fd trung t\u00e2m k\u1ebft n\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb trong h\u1ec7 th\u1ed1ng<\/figcaption><\/figure>\n<h3><span id=\"53_Thiet_bi_dau_ra\">5.3\/ Thi\u1ebft b\u1ecb \u0111\u1ea7u ra<\/span><\/h3>\n<p>Thi\u1ebft b\u1ecb \u0111\u1ea7u ra c\u1ee7a h\u1ec7 th\u1ed1ng PA l\u00e0 c\u00e1c thi\u1ebft b\u1ecb c\u00f3 vai tr\u00f2 ph\u00e1t ra \u00e2m thanh th\u00f4ng b\u00e1o. T\u00f9y theo c\u1ea5u tr\u00fac v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a khu v\u1ef1c ph\u00e1t \u00e2m thanh m\u00e0 l\u1ef1a ch\u1ecdn lo\u1ea1i loa ph\u00f9 h\u1ee3p, c\u00e1c lo\u1ea1i th\u01b0\u1eddng d\u00f9ng nh\u01b0:<\/p>\n<ul>\n<li>Loa \u00e2m tr\u1ea7n: c\u00f3 th\u1ec3 g\u1eafn \u00e2m tr\u1ea7n ho\u1eb7c g\u1eafn n\u1ed5i, th\u01b0\u1eddng l\u1eafp \u1edf khu v\u1ef1c v\u0103n ph\u00f2ng, d\u1ecdc h\u00e0nh lang t\u00f2a nh\u00e0,&#8230; kh\u00f4ng b\u1ecb l\u1ed9 loa, t\u00ednh th\u1ea9m m\u1ef9 cao.<\/li>\n<li>Loa n\u00e9n (c\u00f2n g\u1ecdi l\u00e0 loa c\u00f2i): th\u01b0\u1eddng l\u1eafp \u0111\u1eb7t \u1edf nh\u1eefng khu v\u1ef1c c\u00f3 nhi\u1ec1u ti\u1ebfng \u1ed3n, ph\u00e1t \u00e2m thanh to v\u00e0 lan t\u1ecfa nh\u01b0 t\u1ea7ng h\u1ea7m, nh\u00e0 x\u01b0\u1edfng, b\u00e3i gi\u1eef xe,&#8230;<\/li>\n<li>Loa h\u1ed9p g\u1eafn t\u01b0\u1eddng: th\u01b0\u1eddng l\u1eafp \u0111\u1eb7t \u1edf g\u00f3c t\u01b0\u1eddng ho\u1eb7c tr\u00ean t\u01b0\u1eddng \u1edf nh\u1eefng khu v\u1ef1c c\u00f3 kh\u00f4ng gian r\u1ed9ng l\u1edbn, c\u1ea7n t\u1ecfa \u00e2m xa nh\u01b0 s\u1ea3nh kh\u00e1ch s\u1ea1n, ph\u00f2ng h\u1ed9i ngh\u1ecb,&#8230;<\/li>\n<\/ul>\n<figure id=\"attachment_488\" aria-describedby=\"caption-attachment-488\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-488\" src=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/thiet-bi-loa-thong-bao.jpg\" alt=\"Thi\u1ebft b\u1ecb loa th\u00f4ng b\u00e1o\" width=\"800\" height=\"450\" srcset=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/thiet-bi-loa-thong-bao.jpg 800w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/thiet-bi-loa-thong-bao-300x169.jpg 300w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/thiet-bi-loa-thong-bao-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-488\" class=\"wp-caption-text\">Loa ph\u00e1t \u0111\u1ec3 ph\u00e1t ra \u00e2m thanh \u0111\u1ebfn ng\u01b0\u1eddi nghe<\/figcaption><\/figure>\n<h2><span id=\"6_Phan_loai_he_thong_am_thanh_thong_bao_PA\">6\/ Ph\u00e2n lo\u1ea1i h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o PA<\/span><\/h2>\n<p>C\u00f3 nhi\u1ec1u c\u00e1ch ph\u00e2n lo\u1ea1i <strong>h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<\/strong> PA nh\u01b0ng b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1 c\u1eadp ph\u00e2n lo\u1ea1i theo t\u00edn hi\u1ec7u \u00e2m thanh. C\u1ee5 th\u1ec3 g\u1ed3m 3 lo\u1ea1i ch\u00ednh l\u00e0 <strong>h\u1ec7 th\u1ed1ng \u00e2m thanh PA<\/strong> Analog, Digital v\u00e0 IP.<\/p>\n<h3><span id=\"63_He_thong_am_thanh_IP\">6.3\/ H\u1ec7 th\u1ed1ng \u00e2m thanh IP<\/span><\/h3>\n<p><strong>H\u1ec7 th\u1ed1ng \u00e2m thanh<\/strong> IP ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean t\u1eafc \u0111a h\u01b0\u1edbng tr\u00ean n\u1ec1n t\u1ea3ng m\u1ea1ng IP ho\u1eb7c Internet. Kh\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng Analog ch\u1ec9 c\u00f3 th\u1ec3 truy\u1ec1n 1 chi\u1ec1u v\u00e0 b\u1ecb h\u1ea1n ch\u1ebf kho\u1ea3ng c\u00e1ch truy\u1ec1n, h\u1ec7 th\u1ed1ng IP c\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i \u00e2m thanh nhanh ch\u00f3ng, m\u1ea1nh m\u1ebd \u0111\u1ebfn b\u1ea5t c\u1ee9 \u0111\u00e2u.<\/p>\n<p>M\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a <strong>h\u1ec7 th\u1ed1ng \u00e2m thanh<\/strong> IP nh\u01b0 sau:<\/p>\n<ul>\n<li>H\u1ec7 th\u1ed1ng \u0111\u01a1n gi\u1ea3n, kh\u00f4ng g\u1ed3m nhi\u1ec1u thi\u1ebft b\u1ecb ph\u1ee9c t\u1ea1p, d\u1ec5 s\u1eed d\u1ee5ng v\u00e0 ti\u1ec7n l\u1ee3i.<\/li>\n<li>H\u1ed7 tr\u1ee3 t\u01b0\u01a1ng t\u00e1c 2 chi\u1ec1u gi\u1eefa ng\u01b0\u1eddi qu\u1ea3n l\u00fd v\u00e0 ng\u01b0\u1eddi ti\u1ebfp nh\u1eadn.<\/li>\n<li>Kh\u00f4ng gi\u1edbi h\u1ea1n kho\u1ea3ng c\u00e1ch truy\u1ec1n t\u1ea3i, ph\u00e1t thanh tr\u1ecdn v\u1eb9n nhanh ch\u00f3ng.<\/li>\n<li>C\u00e0i \u0111\u1eb7t d\u1ec5 d\u00e0ng, qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 v\u1edbi giao di\u1ec7n web ho\u1eb7c ph\u1ea7n m\u1ec1m chuy\u00ean bi\u1ec7t.<\/li>\n<li>T\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c h\u1ec7 th\u1ed1ng m\u1ea1ng c\u1ee7a c\u00f4ng tr\u00ecnh, ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/li>\n<\/ul>\n<p><strong>H\u1ec7 th\u1ed1ng \u00e2m thanh<\/strong> th\u00f4ng b\u00e1o IP l\u00e0 lo\u1ea1i hi\u1ec7n \u0111\u1ea1i nh\u1ea5t, \u0111ang \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng l\u1eafp \u0111\u1eb7t \u1edf nhi\u1ec1u c\u00f4ng tr\u00ecnh thay th\u1ebf cho h\u1ec7 th\u1ed1ng PA truy\u1ec1n th\u1ed1ng. C\u00e1c h\u00e3ng s\u1ea3n xu\u1ea5t c\u0169ng t\u1eadp trung ph\u00e1t tri\u1ec3n c\u00e1c s\u1ea3n ph\u1ea9m \u00e2m thanh th\u00f4ng b\u00e1o c\u00f4ng ngh\u1ec7 IP m\u1edbi \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<p><strong>&gt;&gt;&gt; Xem th\u00eam:<\/strong> <a href=\"https:\/\/vtechsolutions.vn\/blog\/so-sanh-he-thong-am-thanh-analog-digital-va-ip\/#6_Uu_va_nhuoc_diem_cua_he_thong_am_thanh_IP\">\u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a h\u1ec7 th\u1ed1ng \u00e2m thanh IP<\/a><\/p>\n<h3><span id=\"62_He_thong_am_thanh_Digital\">6.2\/ H\u1ec7 th\u1ed1ng \u00e2m thanh Digital<\/span><\/h3>\n<p>Digital l\u00e0 t\u00edn hi\u1ec7u \u00e2m thanh k\u1ef9 thu\u1eadt s\u1ed1 d\u1ea1ng chuy\u1ec3n \u0111\u1ed5i, l\u01b0u tr\u1eef d\u01b0\u1edbi d\u1ea1ng m\u00e3 h\u00f3a d\u00e3y nh\u1ecb ph\u00e2n. Hi\u1ec3u \u0111\u01a1n gi\u1ea3n th\u00ec t\u1eeb \u00e2m thanh th\u1ef1c t\u1ebf, b\u1ed9 x\u1eed l\u00fd s\u1ebd chuy\u1ec3n \u0111\u1ed5i \u00e2m thanh th\u00e0nh t\u00edn hi\u1ec7u g\u1ed3m c\u00e1c d\u00e3y nh\u1ecb ph\u00e2n t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 truy\u1ec1n t\u1ea3i ho\u1eb7c l\u01b0u tr\u1eef. <strong>H\u1ec7 th\u1ed1ng \u00e2m thanh<\/strong> Digital c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi <strong>h\u1ec7 th\u1ed1ng \u00e2m thanh<\/strong> Analog truy\u1ec1n th\u1ed1ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd, l\u01b0u tr\u1eef v\u00e0 truy\u1ec1n t\u1ea3i \u00e2m thanh.<\/p>\n<p>Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a <strong>h\u1ec7 th\u1ed1ng \u00e2m thanh<\/strong> Digital bao g\u1ed3m:<\/p>\n<ul>\n<li>Truy\u1ec1n t\u1ea3i \u00e2m thanh nguy\u00ean v\u1eb9n, kh\u00f4ng bi\u1ebfn \u0111\u1ed5i d\u00f9 \u1edf kho\u1ea3ng c\u00e1ch hay m\u00f4i tr\u01b0\u1eddng nh\u01b0 th\u1ebf n\u00e0o.<\/li>\n<li>C\u00f3 th\u1ec3 l\u01b0u tr\u1eef \u00e2m thanh v\u00e0 ph\u00e1t b\u1ea5t c\u1ee9 khi n\u00e0o th\u00f4ng qua c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ph\u1ed5 bi\u1ebfn hi\u1ec7n nay.<\/li>\n<li>H\u1ec7 th\u1ed1ng g\u1ed3m c\u00e1c thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i, gi\u00e1 th\u00e0nh cao h\u01a1n so v\u1edbi thi\u1ebft b\u1ecb \u00e2m thanh c\u1ee7a h\u1ec7 th\u1ed1ng Analog.<\/li>\n<li>Truy\u1ec1n t\u1ea3i \u0111\u01b0\u1ee3c nhi\u1ec1u \u00e2m thanh c\u00f9ng l\u00fac.<\/li>\n<\/ul>\n<p><strong>H\u1ec7 th\u1ed1ng \u00e2m thanh<\/strong> th\u00f4ng b\u00e1o Digital hi\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn nh\u1edd s\u1ef1 ti\u1ec7n l\u1ee3i, d\u1ec5 s\u1eed d\u1ee5ng v\u00e0 hi\u1ec7u qu\u1ea3 truy\u1ec1n \u00e2m t\u1ed1t.<\/p>\n<p><strong>&gt;&gt;&gt; Xem th\u00eam:<\/strong> <a href=\"https:\/\/vtechsolutions.vn\/blog\/so-sanh-he-thong-am-thanh-analog-digital-va-ip\/#4_Uu_va_nhuoc_diem_cua_he_thong_am_thanh_Digital\">\u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a h\u1ec7 th\u1ed1ng \u00e2m thanh Digital<\/a><\/p>\n<h3><span id=\"61_He_thong_am_thanh_Analog\">6.1\/ H\u1ec7 th\u1ed1ng \u00e2m thanh Analog<\/span><\/h3>\n<p>Analog l\u00e0 lo\u1ea1i t\u00edn hi\u1ec7u \u00e2m thanh ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay, c\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n \u0111\u1ea1t d\u1ec5 d\u00e0ng v\u00e0 d\u1ec5 ti\u1ebfp c\u1eadn nh\u1ea5t v\u1edbi con ng\u01b0\u1eddi. <strong>H\u1ec7 th\u1ed1ng \u00e2m thanh <\/strong>Analog s\u1ebd ph\u00e1t ra lo\u1ea1i t\u00edn hi\u1ec7u \u00e2m thanh n\u00e0y, c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m nh\u01b0 sau:<\/p>\n<ul>\n<li>\u0110\u1ed9 ch\u00e2n th\u1ef1c v\u00e0 truy\u1ec1n c\u1ea3m cao v\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng nghe l\u00e0 con ng\u01b0\u1eddi, c\u00f3 th\u1ec3 l\u00e0 c\u1ea3 c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt.<\/li>\n<li>C\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n \u00e2m xa, gi\u1eef nguy\u00ean \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh ch\u1ec9 b\u1ecb gi\u1ea3m b\u1ecb \u00e2m l\u01b0\u1ee3ng.<\/li>\n<li>C\u00f3 t\u00ednh t\u01b0\u01a1ng t\u1ef1 v\u00e0 li\u00ean t\u1ee5c, \u00edt b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng.<\/li>\n<li>Thi\u1ebft b\u1ecb c\u00f3 gi\u00e1 th\u00e0nh v\u1eeba ph\u1ea3i, nhi\u1ec1u nh\u00e0 cung c\u1ea5p ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng s\u1eed d\u1ee5ng.<\/li>\n<\/ul>\n<p>Nh\u00ecn chung c\u00e1c t\u00f2a nh\u00e0, khu v\u1ef1c y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh kh\u00f4ng qu\u00e1 cao, ch\u1ec9 c\u1ea7n truy\u1ec1n t\u1ea3i th\u00f4ng b\u00e1o c\u01a1 b\u1ea3n th\u00ec th\u01b0\u1eddng s\u1eed d\u1ee5ng <strong>h\u1ec7 th\u1ed1ng \u00e2m thanh PA<\/strong> Analog.<\/p>\n<p><strong>&gt;&gt;&gt; Xem th\u00eam:<\/strong> <a href=\"https:\/\/vtechsolutions.vn\/blog\/so-sanh-he-thong-am-thanh-analog-digital-va-ip\/#2_Uu_va_nhuoc_diem_cua_he_thong_am_thanh_Analog\">\u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a h\u1ec7 th\u1ed1ng \u00e2m thanh Analog<\/a><\/p>\n<h2><span id=\"7_O_dau_can_trang_bi_he_thong_am_thanh_PA\">7\/ \u1ede \u0111\u00e2u c\u1ea7n trang b\u1ecb h\u1ec7 th\u1ed1ng \u00e2m thanh PA?<\/span><\/h2>\n<p>Nh\u1eefng khu v\u1ef1c l\u1edbn, t\u1eadp trung \u0111\u00f4ng ng\u01b0\u1eddi th\u01b0\u1eddng c\u1ea7n trang b\u1ecb h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o PA \u0111\u1ec3 ng\u01b0\u1eddi qu\u1ea3n l\u00fd d\u1ec5 d\u00e0ng ph\u00e1t \u0111i th\u00f4ng b\u00e1o. V\u1edbi vai tr\u00f2 h\u1ec7 th\u1ed1ng \u00e2m thanh PA, c\u00e1c khu v\u1ef1c th\u01b0\u1eddng l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng n\u00e0y bao g\u1ed3m:<\/p>\n<h3><span id=\"73_He_thong_am_thanh_thong_bao_o_chung_cu\">7.3\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o \u1edf chung c\u01b0<\/span><\/h3>\n<p>Trong chung c\u01b0 b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 h\u1ec7 th\u1ed1ng ph\u00e1t \u00e2m th\u00f4ng b\u00e1o. Ng\u00e0y th\u01b0\u1eddng ng\u01b0\u1eddi qu\u1ea3n l\u00fd s\u1ebd qua h\u1ec7 th\u1ed1ng \u0111\u1ec3 g\u1eedi th\u00f4ng \u0111i\u1ec7p, ngo\u00e0i ra c\u00f2n gi\u00fap th\u00f4ng b\u00e1o tin kh\u1ea9n c\u1ea5p, s\u1ef1 c\u1ed1 ch\u00e1y n\u1ed5, thi\u00ean tai c\u1ea7n di d\u1eddi,&#8230;<\/p>\n<h3><span id=\"74_He_thong_am_thanh_thong_bao_tai_benh_vien\">7.4\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o t\u1ea1i b\u1ec7nh vi\u1ec7n<\/span><\/h3>\n<p>H\u1ec7 th\u1ed1ng c\u00f3 m\u1ee5c \u0111\u00edch th\u00f4ng b\u00e1o, y\u00eau c\u1ea7u di t\u1ea3n, cung c\u1ea5p th\u00f4ng tin,&#8230; cho c\u00e1c th\u00e2n nh\u00e2n, b\u1ec7nh nh\u00e2n trong h\u00e0nh lang b\u1ec7nh vi\u1ec7n ho\u1eb7c th\u00f4ng b\u00e1o \u0111\u1ebfn c\u00e1c b\u00e1c s\u0129, y t\u00e1 tr\u1ef1c ch\u1eefa b\u1ec7nh.<\/p>\n<h3><span id=\"71_He_thong_am_thanh_thong_bao_cong_cong_ngoai_troi\">7.1\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o c\u00f4ng c\u1ed9ng ngo\u00e0i tr\u1eddi<\/span><\/h3>\n<p><strong>H\u1ec7 th\u1ed1ng \u00e2m thanh<\/strong> c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t \u1edf m\u1ed9t khu v\u1ef1c \u0111\u01b0\u1eddng ph\u1ed1 ho\u1eb7c c\u00f4ng vi\u00ean, khu v\u1ef1c c\u00f4ng c\u1ed9ng ngo\u00e0i tr\u1eddi,&#8230; \u0111\u1ec3 ph\u00e1t ra th\u00f4ng b\u00e1o chung, c\u00e1c tr\u01b0\u1eddng h\u1ee3p kh\u1ea9n c\u1ea5p, t\u00ecm \u0111\u1ed3 v\u1eadt m\u1ea5t, ng\u01b0\u1eddi \u0111i l\u1ea1c,&#8230;<\/p>\n<h3><span id=\"72_He_thong_am_thanh_thong_bao_o_toa_nha_van_phong\">7.2\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o \u1edf t\u00f2a nh\u00e0, v\u0103n ph\u00f2ng<\/span><\/h3>\n<p>Trong c\u00e1c t\u00f2a nh\u00e0, v\u0103n ph\u00f2ng hi\u1ec7n nay th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1eafp h\u1ec7 th\u1ed1ng \u00e2m th\u00f4ng b\u00e1o, gi\u00fap ng\u01b0\u1eddi qu\u1ea3n l\u00fd ph\u00e1t th\u00f4ng b\u00e1o v\u1ec1 c\u00e1c quy \u0111\u1ecbnh, s\u1ef1 ki\u1ec7n, c\u00e1c tr\u01b0\u1eddng h\u1ee3p kh\u1ea9n c\u1ea5p, h\u01b0\u1edbng d\u1eabn tho\u00e1t hi\u1ec3m, b\u00e1o ch\u00e1y,&#8230;<\/p>\n<h3><span id=\"77_He_thong_am_thanh_thong_bao_o_truong_hoc\">7.7\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o \u1edf tr\u01b0\u1eddng h\u1ecdc<\/span><\/h3>\n<p>Tr\u01b0\u1eddng h\u1ecdc th\u01b0\u1eddng l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng PA \u0111\u1ec3 ph\u00e1t th\u00f4ng b\u00e1o h\u00e0ng ng\u00e0y d\u1ea1ng b\u1ea3n tin, th\u00f4ng b\u00e1o khi c\u00f3 s\u1ef1 ki\u1ec7n \u0111\u1eb7c bi\u1ec7t ho\u1eb7c th\u00f4ng b\u00e1o t\u1eadp trung, h\u01b0\u1edbng d\u1eabn n\u1ed9i quy nh\u00e0 tr\u01b0\u1eddng,&#8230;<\/p>\n<h3><span id=\"78_He_thong_am_thanh_thong_bao_nha_xuong\">7.8\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o nh\u00e0 x\u01b0\u1edfng<\/span><\/h3>\n<p>H\u1ec7 th\u1ed1ng th\u00f4ng b\u00e1o \u0111\u1ebfn to\u00e0n b\u1ed9 c\u00f4ng nh\u00e2n trong nh\u00e0 x\u01b0\u1edfng ho\u1eb7c m\u1ed9t b\u1ed9 ph\u1eadn n\u00e0o \u0111\u00f3 v\u1ec1 s\u1ef1 ki\u1ec7n, y\u00eau c\u1ea7u t\u1eadp h\u1ee3p ho\u1eb7c th\u00f4ng b\u00e1o di t\u1ea3n trong tr\u01b0\u1eddng h\u1ee3p kh\u1ea9n c\u1ea5p.<\/p>\n<h3><span id=\"75_He_thong_am_thanh_thong_bao_o_san_bay\">7.5\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o \u1edf s\u00e2n bay<\/span><\/h3>\n<p><strong>H\u1ec7 th\u1ed1ng \u00e2m thanh PA<\/strong> \u1edf s\u00e2n bay th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t th\u00f4ng b\u00e1o v\u1ec1 c\u00e1c chuy\u1ebfn bay \u0111\u1ebfn, \u0111i, t\u00ecnh tr\u1ea1ng chuy\u1ebfn bay, h\u01b0\u1edbng d\u1eabn check in, ki\u1ec3m tra \u0111\u1ed3 \u0111\u1ea1c ho\u1eb7c t\u00ecm ng\u01b0\u1eddi, v\u1eadt th\u1ea5t l\u1ea1c,&#8230;<\/p>\n<figure id=\"attachment_489\" aria-describedby=\"caption-attachment-489\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-489\" src=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/ung-dung-he-thong-am-thanh-thong-bao-1024x505.jpg\" alt=\"\u1ee9ng d\u1ee5ng h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o\" width=\"800\" height=\"395\" srcset=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/ung-dung-he-thong-am-thanh-thong-bao-1024x505.jpg 1024w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/ung-dung-he-thong-am-thanh-thong-bao-300x148.jpg 300w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/ung-dung-he-thong-am-thanh-thong-bao-768x379.jpg 768w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/ung-dung-he-thong-am-thanh-thong-bao-1536x758.jpg 1536w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/02\/ung-dung-he-thong-am-thanh-thong-bao.jpg 2046w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-489\" class=\"wp-caption-text\">S\u00e2n bay th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<\/figcaption><\/figure>\n<h3><span id=\"76_He_thong_am_thanh_thong_bao_o_sieu_thi_khu_thuong_mai\">7.6\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o \u1edf si\u00eau th\u1ecb, khu th\u01b0\u01a1ng m\u1ea1i<\/span><\/h3>\n<p>H\u1ec7 th\u1ed1ng gi\u00fap truy\u1ec1n th\u00f4ng b\u00e1o \u0111\u1ebfn c\u00e1c nh\u00e2n vi\u00ean trong si\u00eau th\u1ecb, ph\u00e1t nh\u1ea1c n\u1ec1n t\u1ea1o kh\u00f4ng kh\u00ed cho kh\u00e1ch h\u00e0ng mua ho\u1eb7c th\u00f4ng tin v\u1ec1 c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh khuy\u1ebfn m\u00e3i, nh\u1eb7t \u0111\u01b0\u1ee3c \u0111\u1ed3 r\u01a1i, t\u00ecm ng\u01b0\u1eddi \u0111i l\u1ea1c,&#8230;<\/p>\n<p><strong>&gt;&gt;&gt; Xem th\u00eam:<\/strong> <a href=\"https:\/\/vtechsolutions.vn\/blog\/quy-trinh-lap-dat-va-bao-tri-he-thong-loa-am-thanh-thong-bao\/\">Quy tr\u00ecnh l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<\/a><\/p>\n<h2><span id=\"8_He_thong_am_thanh_thong_bao_nao_tot_nhat_hien_nay\">8\/ H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o n\u00e0o t\u1ed1t nh\u1ea5t hi\u1ec7n nay?<\/span><\/h2>\n<p>D\u00f9 <strong>h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o<\/strong> ch\u1ec9 l\u00e0 m\u1ed9t m\u1ea3ng nh\u1ecf tr\u00ean th\u1ecb tr\u01b0\u1eddng thi\u1ebft b\u1ecb \u00e2m thanh \u1edf Vi\u1ec7t Nam nh\u01b0ng c\u0169ng c\u00f3 nhi\u1ec1u th\u01b0\u01a1ng hi\u1ec7u cung c\u1ea5p trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc. Nh\u1edd v\u1eady ng\u01b0\u1eddi ti\u00eau d\u00f9ng c\u00f3 \u0111a d\u1ea1ng l\u1ef1a ch\u1ecdn ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u v\u1edbi m\u1ee9c gi\u00e1 th\u00e0nh t\u1ed1t nh\u1ea5t. Trong \u0111\u00f3 h\u00e3ng cung c\u1ea5p s\u1ea3n ph\u1ea9m v\u00e0 thi\u1ebft b\u1ecb cho h\u1ec7 th\u1ed1ng PA t\u1ed1t nh\u1ea5t hi\u1ec7n nay ph\u1ea3i k\u1ec3 \u0111\u1ebfn AEX Business Audio Solutions.<\/p>\n<p>H\u1ec7 th\u1ed1ng \u00e2m th\u00f4ng b\u00e1o AEX \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u c\u00f4ng tr\u00ecnh v\u00e0 l\u0129nh v\u1ef1c nh\u01b0 kh\u00e1ch s\u1ea1n, th\u01b0\u01a1ng m\u1ea1i, gi\u00e1o d\u1ee5c, c\u00f4ng nghi\u1ec7p, giao th\u00f4ng, c\u00f4ng c\u1ed9ng, du l\u1ecbch,&#8230; \u0110\u1eb7c bi\u1ec7t AEX cung c\u1ea5p <strong>h\u1ec7 th\u1ed1ng \u00e2m thanh<\/strong> ho\u00e0n to\u00e0n m\u1edbi, ph\u00e1 v\u1ee1 c\u00e1ch th\u1ee9c truy\u1ec1n t\u1ea3i \u00e2m thanh truy\u1ec1n th\u1ed1ng, l\u00e0 l\u1ef1a ch\u1ecdn c\u1ee7a r\u1ea5t nhi\u1ec1u doanh nghi\u1ec7p v\u00e0 kh\u00e1ch h\u00e0ng.<\/p>\n<p>Nh\u1eefng \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a <strong>h\u1ec7 th\u1ed1ng \u00e2m thanh PA<\/strong> c\u1ee7a AEX bao g\u1ed3m:<\/p>\n<ul>\n<li>Ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh t\u1ed1t nh\u1ea5t: AEX li\u00ean t\u1ee5c c\u1ea3i ti\u1ebfn c\u00f4ng ngh\u1ec7, thi\u1ebft k\u1ebf, \u0111em \u0111\u1ebfn gi\u1ea3i ph\u00e1p \u00e2m thanh c\u00f4ng c\u1ed9ng ch\u1ea5t l\u01b0\u1ee3ng nh\u1ea5t, t\u1eadp trung v\u00e0o t\u0103ng tr\u1ea3i nghi\u1ec7m kh\u00e1ch h\u00e0ng.<\/li>\n<li>Ti\u1ebft ki\u1ec7m chi ph\u00ed nh\u1ea5t: So v\u1edbi c\u00e1c h\u00e3ng kh\u00e1c th\u00ec h\u1ec7 th\u1ed1ng PA m\u00e0 AEX cung c\u1ea5p c\u00f3 chi ph\u00ed l\u1eafp \u0111\u1eb7t kh\u00e1 th\u1ea5p, \u0111\u1eb7c bi\u1ec7t c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng h\u1ea1 t\u1ea7ng m\u1ea1ng v\u00e0 thi\u1ebft b\u1ecb c\u00f3 s\u1eb5n.<\/li>\n<li>N\u00e2ng cao n\u0103ng su\u1ea5t l\u00e0m vi\u1ec7c: AEX cung c\u1ea5p gi\u1ea3i ph\u00e1p \u00e2m thanh c\u00f4ng c\u1ed9ng gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng giao ti\u1ebfp gi\u1eefa nh\u00e2n vi\u00ean v\u00e0 qu\u1ea3n l\u00fd, c\u00f3 ph\u1ea7n m\u1ec1m th\u00e2n thi\u1ec7n ng\u01b0\u1eddi d\u00f9ng, h\u1ed7 tr\u1ee3 qu\u1ea3n l\u00fd b\u1eb1ng \u0111i\u1ec7n tho\u1ea1i,..<\/li>\n<li>\u0110\u00e1p \u1ee9ng \u0111a d\u1ea1ng nhu c\u1ea7u: h\u1ec7 th\u1ed1ng PA c\u1ee7a AEX c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t \u0111\u1ebfn 32 t\u00edn hi\u1ec7u \u00e2m thanh ch\u1ea5t l\u01b0\u1ee3ng cao, t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i nhanh, b\u1ed9 gi\u1ea3i m\u00e3 \u00e2m thanh ti\u00ean ti\u1ebfn nh\u1ea5t.<\/li>\n<\/ul>\n<p>C\u00f3 th\u1ec3 n\u00f3i AEX cung c\u1ea5p h\u1ec7 th\u1ed1ng ph\u00e1t thanh c\u00f4ng c\u1ed9ng ch\u1ea5t l\u01b0\u1ee3ng, chi ph\u00ed ph\u00f9 h\u1ee3p, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a nhi\u1ec1u kh\u00e1ch h\u00e0ng. VTech hi\u1ec7n nay \u0111ang l\u00e0 nh\u00e0 ph\u00e2n ph\u1ed1i tr\u1ef1c ti\u1ebfp h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o c\u1ee7a h\u00e3ng AEX t\u1ea1i Vi\u1ec7t Nam.<\/p>\n<h2><span id=\"9_Don_vi_lap_dat_he_thong_am_thanh_thong_bao_uy_tin_tai_TPHCM_va_ca_nuoc\">9\/ \u0110\u01a1n v\u1ecb l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o uy t\u00edn t\u1ea1i TPHCM v\u00e0 c\u1ea3 n\u01b0\u1edbc<\/span><\/h2>\n<p>\u0110\u1ec3 l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng ph\u00e1t \u00e2m th\u00f4ng b\u00e1o chuy\u00ean nghi\u1ec7p, \u0111\u1ea7y \u0111\u1ee7 t\u00ednh n\u0103ng, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u s\u1eed d\u1ee5ng th\u00ec b\u1ea1n n\u00ean ch\u1ecdn \u0111\u01a1n v\u1ecb uy t\u00edn. VTech t\u1ef1 h\u00e0o l\u00e0 m\u1ed9t trong nh\u1eefng \u0111\u01a1n v\u1ecb c\u00f3 nhi\u1ec1u n\u0103m kinh nghi\u1ec7m, uy t\u00edn t\u1ea1i TPHCM v\u00e0 tr\u00ean c\u1ea3 n\u01b0\u1edbc trong l\u0129nh v\u1ef1c cung c\u1ea5p v\u00e0 l\u1eafp \u0111\u1eb7t <strong>h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o.<\/strong><\/p>\n<p>VTech \u0111\u00e3 h\u1ee3p t\u00e1c thi\u1ebft k\u1ebf, l\u00ean gi\u1ea3i ph\u00e1p v\u00e0 l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng PA cho nhi\u1ec1u c\u00f4ng tr\u00ecnh l\u1edbn nh\u1ecf t\u1ea1i TPHCM nh\u01b0 c\u00f4ng x\u01b0\u1edfng, nh\u00e0 chung c\u01b0, kh\u00e1ch s\u1ea1n, r\u1ea1p chi\u1ebfu phim, s\u00e2n bay, chung c\u01b0, khu trung t\u00e2m th\u01b0\u01a1ng m\u1ea1i,&#8230; Kh\u00e1ch h\u00e0ng c\u00f3 nhu c\u1ea7u ch\u1ec9 c\u1ea7n li\u00ean h\u1ec7, ch\u00fang t\u00f4i s\u1ebd h\u1ed7 tr\u1ee3 t\u1ea5t c\u1ea3 c\u00e1c kh\u00e2u t\u1eeb:<\/p>\n<ul>\n<li>Kh\u1ea3o s\u00e1t c\u00f4ng tr\u00ecnh, l\u00ean ph\u01b0\u01a1ng \u00e1n l\u1eafp \u0111\u1eb7t <strong>h\u1ec7 th\u1ed1ng \u00e2m thanh<\/strong> c\u00f4ng c\u1ed9ng ph\u00f9 h\u1ee3p.<\/li>\n<li>T\u01b0 v\u1ea5n gi\u1ea3i ph\u00e1p \u00e2m thanh chuy\u00ean nghi\u1ec7p \u0111\u00e1p \u1ee9ng nhu c\u1ea7u v\u00e0 chi ph\u00ed c\u1ee7a kh\u00e1ch h\u00e0ng.<\/li>\n<li>Cung c\u1ea5p thi\u1ebft b\u1ecb \u00e2m thanh ch\u00ednh h\u00e3ng, gi\u00e1 th\u00e0nh c\u1ea1nh tranh nh\u1ea5t th\u1ecb tr\u01b0\u1eddng.<\/li>\n<li>L\u1eafp \u0111\u1eb7t <strong>h\u1ec7 th\u1ed1ng \u00e2m thanh<\/strong> cho c\u00f4ng tr\u00ecnh, h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng v\u00e0 b\u00e0n giao.<\/li>\n<li>H\u1ed7 tr\u1ee3 x\u1eed l\u00fd khi c\u00f3 s\u1ef1 c\u1ed1 h\u1ecfng h\u00f3c h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n<p>Tr\u00ean \u0111\u00e2y b\u1ea1n \u0111\u1ecdc \u0111\u00e3 c\u00f9ng t\u00ecm hi\u1ec3u <strong>h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o l\u00e0 g\u00ec?<\/strong> VTech t\u1ef1 tin cung c\u1ea5p gi\u1ea3i ph\u00e1p l\u1eafp \u0111\u1eb7t <strong>h\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o PA<\/strong> chuy\u00ean nghi\u1ec7p v\u00e0 uy t\u00edn nh\u1ea5t. Kh\u00e1ch h\u00e0ng c\u00f3 nhu c\u1ea7u h\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 s\u1edbm nh\u1ea5t nh\u00e9.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o PA g\u1ed3m nhi\u1ec1u thi\u1ebft b\u1ecb nh\u01b0 micro, b\u1ed9 khu\u1ebfch \u0111\u1ea1i, loa ph\u00e1t thanh, b\u1ed9 x\u1eed l\u00fd \u00e2m thanh, \u00e2m ly,&#8230; H\u1ec7 th\u1ed1ng gi\u00fap ph\u00e1t<\/p>\n","protected":false},"author":1,"featured_media":487,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[180,5],"tags":[],"class_list":["post-476","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-he-thong-am-thanh-thong-bao","category-tin-tuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>H\u1ec7 th\u1ed1ng \u00e2m thanh th\u00f4ng b\u00e1o PA l\u00e0 g\u00ec? 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