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Cach kiem tra webcam va microphone truoc cuoc phong van

Mot cuoc phong van bat dau voi 5 phut "Ban co the nghe toi khong?" da mat phan mo dau. Mot bai kiem tra dua tren trinh duyet 5 phut ngay hom truoc bat ba van de giet cuoc phong van: webcam huong vao thiet bi vat ly sai, dau vao microphone bi tat tieng hoac bi mac ket o nguon sai va anh sang khien ban vo hinh truoc cua so sang. Huong dan nay bao gom trinh tu chinh xac de chay.


Chay kiem tra vao ngay hom truoc - khong phai gio cuoi

Loi phan cung, loi cap quyen he dieu hanh va van de tuong thich trinh duyet deu mat thoi gian de giai quyet. Chay kiem tra 24 gio truoc cho ban khoang trong de cai dat driver, mua mot microphone USB re hoac dinh tuyen cuoc goi den thiet bi khac. Kiem tra cung ngay bien nhung tro ngai nho thanh thong bao "xin loi toi den muon".


Buoc 1 - Kiem tra camera

Mo kiem tra camera trong trinh duyet ban se dung cho phong van (Chrome, Firefox, Edge hoac Safari). Nhap "Cho phep truy cap camera" khi duoc hoi.

  • Xac minh xem truoc hien thi. Ban se thay minh trong 1-2 giay sau khi cap quyen.
  • Kiem tra trinh chon camera. Neu ban co webcam laptop tich hop VA mot webcam USB ben ngoai, trinh duyet chon mot cai (thuong la cai duoc ket noi gan day nhat). Chuyen doi trong menu tha xuong sang camera ban muon.
  • Kiem tra do phan giai. 1280×720 (HD) la toi thieu cho mot cuoc goi video chuyen nghiep. 1920×1080 (Full HD) tot hon. Duoi HD, khuon mat ban trong mem. Neu chi hien thi cac tuy chon duoi HD, camera bi gioi han boi phan cung hoac van de driver - chuyen camera hoac khoi dong lai trinh duyet.
  • Xac minh toc do khung hinh. 30 fps la muc tieu. Duoi 15 fps, chuyen dong trong giat. Giam toc do khung hinh thuong cho thay tranh chap CPU (dong cac ung dung khac) hoac gioi han hub USB (ket noi webcam truc tiep den cong may tinh).

Buoc 2 - Kiem tra microphone

Mo kiem tra microphone. Cap quyen microphone. Noi chuyen voi am luong giao tiep binh thuong.

  • Theo doi muc do. Cac dinh nen dat den vung xanh/vang (khoang -12 den -6 dBFS). Cac dinh bi ket o duoi co nghia la microphone bi tat tieng, day sai hoac do thu am bang khong; cac dinh dinh chat o tren (do) co nghia la microphone bi cat va can do thu am thap hon hoac khoang cach lon hon tu mieng ban.
  • Kiem tra trinh chon microphone. Microphone laptop tich hop, microphone headset, microphone USB de ban, microphone Bluetooth - trinh duyet chon mot cai. Chuyen cho den khi muc do di chuyen cho thiet bi ban muon.
  • Kiem tra vo tay. Mot vo tay don phai cho thay mot dinh ngan roi im lang. Mot dinh ben vung sau vo tay co nghia la huy tieng vong bi vo hieu hoa hoac qua tai; giu mot headset cho phong van.
  • Kiem tra "noi mot am xuyt". Noi "sau muoi sau con so" o am luong binh thuong. Noi dung tan so cao cua /s/ phai di qua ro rang, khong duc. Am xuyt duc co nghia la nang microphone re hoac nen codec manh.

Buoc 3 - Anh sang va khung hinh

Voi kiem tra camera van mo, lieu nhin vao xem truoc:

  • Doi mat voi nguon sang. Anh sang tu nhien tu cua so phia truoc ban (khong phia sau), hoac den ban o chieu cao mat, giu ban duoc nhin thay. Ngoi voi cua so sang phia sau ban tao bong cho khuon mat ban - di chuyen camera hoac xoay ghe.
  • Khung hinh: mat o phan ba tren. Khung hinh video tieu chuan dat mat ban o 1/3 tu tren cua khung, khong o trung tam. Nghieng man hinh laptop hoac nang webcam.
  • Kiem tra nen. Di phia sau camera va nhin nhung gi trong khung qua vai ban. Di chuyen lon xon ra khoi khung; neu ban khong the, kich hoat lam mo nen cua phan mem cuoc goi.
  • Dien tap tong. Mac nhung gi ban se mac ngay mai. Soc mong va hoa van ban ron gioi thieu aliasing moire tren camera; mau toi don gian (xanh dam, oliu, than) hoat dong tot nhat.

Buoc 4 - Kiem tra tren nen tang cuoc goi

Zoom, Google Meet, Microsoft Teams va hau het cac nen tang cuoc goi video co tinh nang tich hop "cuoc hop kiem tra" hoac "cuoc goi kiem tra". Chay no de xac minh:

  • Nen tang su dung cung camera/microphone ma kiem tra trinh duyet da xac minh.
  • Muc am thanh van trong tot (mot so nen tang ap dung do thu am rieng).
  • Ket noi internet cua ban xu ly chat luong cuoc goi (toc do tai len 1 Mbps la san HD; 3+ Mbps cho khong gian cho HD + chia se man hinh).

Neu nen tang yeu cau khach hang may tinh (Zoom, Teams), cai dat va chay no vao ngay hom truoc. Cac loi cap quyen lan dau, cai dat driver va cap nhat bat buoc bat nhieu nguoi bat ngo vao ngay phong van.


Buoc 5 - Co ke hoach du phong

  • Hotspot dien thoai da cau hinh, da kiem tra va pin sac neu internet nha that bai.
  • Dien thoai nhu thiet bi cuoc goi thu cap - ghi chu so quay so cuoc phong van; ban co the tham gia lai chi voi am thanh tu dien thoai neu laptop that bai.
  • Headset co day nhu du phong microphone neu microphone tich hop hoat dong kem. Headset Bluetooth thinh thoang ngat ket noi giua cuoc goi; co day an toan hon.
  • Mot nguoi ban de nhan tin neu ban can chuyen phong van vi loi phan cung.

Kiem tra ban phim (bonus)

Neu phong van bao gom lap trinh truc tiep, chay kiem tra ban phim nua - xac minh moi phim ban se can (Alt, Cmd, Shift, Ctrl, Esc, Enter, Tab) dang ky sach. Mot phim bo nho bi ket xuat hien duoi ap luc.


Ghi chu rieng tu

Moi cong cu kiem tra tren trang web nay chay trong trinh duyet. Luong webcam va am thanh microphone o lai tren thiet bi cua ban; khong co gi duoc tai len hoac ghi lai. Dong tab va quyen truy cap ket thuc.


Cong cu lien quan


← Quay lai Cong cu Kiem tra Thiet bi

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