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Quyen Kiem Tra Microphone Bi Chan: Cach Cho Phep Truy Cap Mic Trong Trinh Duyet

Lan ra soat cuoi 2026-05-06. Nham vao thoi diem mot trang kiem tra microphone trinh duyet tai, dong ho do muc van nam phang khi ban noi, va hoac co mot nhac quyen trong thanh dia chi ma ban bo qua, hoac mot cai da bi tu choi tu an. Dinh tuyen hanh dong test thuc su den Microphone Test Online (trong trinh duyet qua Web API MediaDevices.getUserMedia(); khong tai len, khong cai dat).

Cau tra loi 30 giay. Hau het cac truong hop "kiem tra microphone khong phan ung" la mot trang thai quyen, khong phai loi phan cung. Mo thanh dia chi, tim mot bieu tuong microphone nho (Chrome, Edge), bieu tuong khien (Firefox), hoac khoa "Cai dat" (Safari). Nhap vao no, sau do chon Cho phep cho quyen microphone cua freetoolonline.com, va tai lai trang. Neu ban khong thay bieu tuong, nhac quyen da duoc tra loi truoc do va trinh duyet nho; cach sua giong nhau - tim quyen microphone theo trang va chuyen lai sang Cho phep. Duong dan nhap chinh xac o duoi theo tung trinh duyet.

Quyen bi chan vs khong co nhac

Mot kiem tra microphone trinh duyet yeu cau he dieu hanh khung audio truc tiep tu thiet bi capture. Truoc khi trang co the doc bat ky mau nao, user agent (trinh duyet cua ban) phai chay mot kiem tra quyen. Ba trang thai cuoi co the, va chung trong khac tren trang:

  • Da cho phep. Nhac quyen xuat hien mot lan va ban nhap Cho phep, hoac trinh duyet nho mot Cho phep truoc tu trang nay va bo qua nhac hoan toan. Trong ca hai truong hop, dong ho do muc bat dau phan ung voi giong ban trong mot hoac hai giay sau khi trang ket thuc ve ban dau.
  • Bi chan (tu choi). Ban tra loi nhac voi Chan o mot diem nao do - tren trang nay hoac tren mot trang khac cua cung nguon goc - va trinh duyet nho lua chon. Khong co nhac moi; trang yeu cau truy cap microphone, trinh duyet tu choi am tham yeu cau, va dong ho do muc van nam phang hoac hien thong bao "quyen bi tu choi". Mot bieu tuong microphone-co-vach-cheo nho thuong hien tren thanh dia chi.
  • Bi bo qua (khong quyet dinh). Nhac xuat hien, nhung ban nhap o noi khac, doi tab, hoac nhac cuon den mot phan man hinh ban khong nhin. Trinh duyet giu yeu cau cho ma khong cam ket trang thai nao. Dong ho do muc van phang, nhung khac voi truong hop bi chan, trinh duyet chua nho "khong" - lan tai lai trang tiep theo se hien nhac lai.

Biet ban dang o trang thai nao trong ba trang thai do tiet kiem thoi gian. Neu mot bieu tuong nho hien tren thanh dia chi, ban o truong hop (a) hoac (b); neu khong co bieu tuong va trang khong noi gi, ban o truong hop (c) va mot lan tai lai don thuong sua. Neu bieu tuong hien microphone-co-vach-cheo, ban o truong hop (b) va cac buoc duoi day chuyen quyen theo trang lai ve Cho phep.

Chrome (desktop)

Chrome luu quyen microphone theo nguon goc trong profile nguoi dung. De cap hoac re-cap truy cap:

  1. Nhin vao trai cua thanh dia chi. Neu bieu tuong microphone hien mot vach do cheo qua no, nhap vao bieu tuong do.
  2. Trong popup nho, dat Microphone thanh Cho phep (doi khi gan nhan "Luon cho phep tren trang nay"). Dong popup.
  3. Tai lai trang (Ctrl/Cmd + R). Noi vao microphone; dong ho do muc nen nhay trong mot giay.

Neu ban khong thay bieu tuong microphone, quyen co the da duoc dat thanh "Chan" va Chrome co the an bieu tuong khi khong co yeu cau gan day. Mo chrome://settings/content/microphone truc tiep, cuon den danh sach Khong duoc phep dung microphone, tim https://freetoolonline.com, nhap bieu tuong thung rac ben canh no de xoa quy tac, sau do tai lai trang kiem tra microphone; Chrome se hien mot nhac quyen moi vao lan tiep theo trang goi getUserMedia. Tren thiet bi quan ly (chinh sach truong hoc hoac cong ty), truy cap microphone co the bi chan boi chinh sach o cap he dieu hanh hoac console admin - trong truong hop do Chrome hien "Duoc quan ly boi to chuc cua ban" va toggle theo trang bi xam.

Firefox (desktop)

Firefox hien quyen dang hoat dong nhu mot bieu tuong microphone nho ben trai URL khi mot trang yeu cau hoac da duoc cap truy cap. Cac buoc:

  1. Nhap bieu tuong microphone ben trai URL. Mot bang gan nhan Quyen mo ra.
  2. Tim hang Dung Microphone. Neu hien Bi Chan Tam Thoi, nhap x ben canh muc do de xoa, sau do tai lai trang; Firefox se hoi lai. Neu hien Bi Chan ma khong co x, lua chon da duoc lam vinh vien - mo about:preferences#privacy, cuon den Quyen → Microphone → Cai dat, tim muc freetoolonline.com trong danh sach, doi sang Cho phep hoac xoa, sau do luu va tai lai.
  3. Khi nhac hien lai, nhap Cho phep (va tuy chon danh dau Nho quyet dinh nay de Firefox khong hoi lai).

Firefox tach "bi chan tam thoi" (quyet dinh mot lan tai trang) tu "bi chan vinh vien" (quyet dinh cap nguon goc). Hau het nguoi dung gap truong hop tam thoi trong lan tham dau va khong nhan ra mot lan tai lai trang se hoi lai. Truong hop vinh vien doi hoi tuyen duong about:preferences o tren.

Safari (macOS)

Safari rang buoc quyen microphone voi cai dat theo trang web cho profile Safari dang hoat dong, khong phai mot phien trang don. De cho phep:

  1. Voi trang kiem tra microphone mo, chon Safari → Cai dat cho freetoolonline.com tu thanh menu (hoac Safari → Cai dat → Websites → Microphone).
  2. Dat menu tha xuong microphone cho freetoolonline.com thanh Cho phep.
  3. Dong bang cai dat va tai lai trang (Cmd + R).

Neu "Cho phep" khong o trong menu tha xuong, chinh macOS co the dang chan truy cap cua Safari den microphone o cap he dieu hanh - mo Cai dat He thong → Quyen rieng tu va Bao mat → Microphone, dam bao Safari duoc bat, sau do tro lai Safari va thu lai. macOS hien mot nhac mot lan vao lan dau Safari co gang dung microphone tren bat ky trang nao; mot khi cai do duoc cho phep, cai dat theo trang Safari nhan vai tro.

Edge (desktop)

Edge tuan theo mo hinh quyen Chromium voi cung luong UI nhu Chrome. Nhap bieu tuong microphone ben trai cua thanh dia chi, chon Cho phep, tai lai. Neu bieu tuong bi an, mo edge://settings/content/microphone va xoa hoac doi quy tac theo trang cho freetoolonline.com. Edge tren cai dat Windows duoc quan ly cung ton trong Group Policy - neu toggle bi xam, admin IT da khoa cai dat theo chinh sach va ghi de theo nguoi dung khong the tu UI trinh duyet.

iOS Safari va Android Chrome (di dong)

Trinh duyet di dong them mot lop o cap he dieu hanh truoc quyen theo trang, nen mot kiem tra microphone "bi chan" tren di dong co the co hai cach sua khac biet - mot trong trinh duyet, mot trong cai dat he dieu hanh.

iOS Safari. Mo Cai dat → Apps → Safari → Microphone. Dat mac dinh cho "Microphone" thanh Cho phep (hoac Hoi). Sau do, voi trang kiem tra microphone mo, cham nut aA nho trong thanh dia chi va chon Cai dat Website → Microphone → Cho phep. Dong va mo lai tab. iOS cung yeu cau chinh Safari co truy cap Microphone trong Cai dat → Quyen rieng tu va Bao mat → Microphone → Safari - tren thiet bi moi hoac sau reset quyen rieng tu cai nay co the tat.

Android Chrome. Cham bieu tuong khoa hoac info ben trai URL, sau do Quyen → Microphone → Cho phep. Neu toggle bi thieu, mo Cai dat → Cai dat trang → Microphone, tim muc freetoolonline.com duoi "Bi chan", xoa, sau do tai lai trang de Chrome hoi lai. He dieu hanh Android co lop rieng cung - Cai dat → Apps → Chrome → Quyen → Microphone phai duoc dat thanh Chi cho phep khi dung app (mac dinh) cho bat ky trang nao dung microphone.

Khi ban tiep tuc tu choi tinh co: thu hoi sach va re-cap

Neu ban da nhap qua nhieu quyet dinh "Chan" trong cac trinh duyet khac nhau va muon reset sach, duong tin cay nhat la xoa quyen theo trang hoan toan de trinh duyet hoi moi vao lan tai trang tiep theo. Moi trinh duyet co URL cai dat khac biet nho:

  • Chrome / Edge: chrome://settings/content/microphone hoac edge://settings/content/microphone → xoa muc freetoolonline.com duoi "Khong duoc phep dung microphone".
  • Firefox: about:preferences#privacy → Quyen → Microphone → Cai dat → xoa muc.
  • Safari (macOS): Safari → Cai dat → Websites → Microphone → chon muc va nhap Xoa.

Sau khi xoa, tai lai trang kiem tra microphone; trinh duyet xu ly lan goi getUserMedia tiep theo nhu mot yeu cau lan dau va hien nhac moi. Day cung la duong dung khi tai khoan may tinh chia se da de lai mot quyet dinh Chan cu tu nguoi dung truoc.

Neu quyen duoc cho phep nhung dong ho van phang, nguyen nhan o phia ha cua trinh duyet. Ba nguyen nhan ha lop chiu trach nhiem cho gan nhu moi bao cao "quyen OK nhung khong am thanh": (1) toggle chu o cap he dieu hanh dang tat (macOS: Cai dat He thong → Quyen rieng tu va Bao mat → Microphone; Windows: Cai dat → Quyen rieng tu va bao mat → Microphone voi ca hai toggle truy cap app duoc bat), (2) mot app khac giu thiet bi (Zoom, Teams, Google Meet, Discord, OBS Studio, hoac mot driver microphone ao nhu Krisp / NVIDIA Broadcast / VoiceMeeter / Loopback - thoat app pham loi), hoac (3) tat tieng phan cung / thiet bi dau vao sai (cong tac tat tieng cap headset USB, phim chuc nang tat tieng laptop, hoac mot auto-pair headset Bluetooth den thiet bi sai - xac nhan dau vao dang hoat dong trong Cai dat He thong → Am thanh → Dau vao). Huong dan chi tiet bon nguyen nhan tai Microphone Test No Sound: 4 Fixes That Work - che do moi nguyen nhan ha chi tiet.

Quyen rieng tu va cai kiem tra microphone thuc su lam

Kiem tra microphone trinh duyet tren trang nay doc luong audio truc tiep hoan toan trong trinh duyet cua ban. Trang goi navigator.mediaDevices.getUserMedia({ audio: true }) de yeu cau mot luong audio, dinh kem luong vao mot nut analyser Web Audio, va render dong ho do muc tu dau ra mien tan so cua analyser - tat ca tren thiet bi cua ban. Khong co mau nao duoc tai len, khong co ghi am nao duoc luu, va dung test giai phong luong va chi bao microphone tat. Neu chi bao van bat sau khi ban roi khoi trang, do gan nhu luon la mot tab khac hoac mot ung dung khac giu thiet bi, khong phai trang nay; dong tab pham loi giai phong microphone trong mot giay.

Cap quyen den freetoolonline.com chi cho phep cac trang cua nguon goc nay goi getUserMedia trong khi ban o mot tab tu nguon goc nay. Quyen khong giu giua cac nguon goc, khong mo rong den cac trang con cua mien khac, va trinh duyet se thu hoi no tu dong neu ban doi cai dat theo trang lai ve "Hoi" hoac "Chan". Chinh sach quyen rieng tu ghi nhan dieu nay bang ngon ngu don gian.

Doc lien quan

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