quiz bu lëkkale ak tegtal · Diggante Niveau

Quiz ngir fomm Echo Akustik

Xoolaat ni echo cancellers yi di jëfandikoo ay royuwaay audio yu sori, ay filtre yuy méngoo, ak suppression residual neuronal ci jamonoy woote ak ci anam yi ñuy soppi yéere.

Yooni njiit yu jëm ciFomm eko akustik
Laaj 1 de 8

Ban jafe-jafe la annulation echo akustik di njëkka saafara?

Xoolaatal laaj bu nekk8 laaj

Sooy def quiz bi, tontu yi ak leeral yi dañuy feeñ.

  1. Ban jafe-jafe la annulation echo akustik di njëkka saafara?
    • Dakkal sonu oparlër bi mikro bi diko jëlee ba noppi yónnee ko fu sori
    • Komprime fichier audio ngir denc yaatuwaayu band
    • Tekki kàddu ci beneen làkk
    • Yokkatal volume oparlër yu noppi
  2. Ban siñaal 'royuwaay' la sistem AEC di sukkandikoo ngir xam echo bi?
    • Mikro biy dugg ci kàddukat bi gëna jege
    • Siñaale bi sori bi ñuy jouer ci oparlër bi
    • Modèlu néeg buñ njëkka enregistre
    • Niveau bruit ci ginaaw
  3. Ban senaario moo gëna jafe ci AEC te mën na tax filtre biy ànd ak moom baña doxal bu baax?
    • Noppite bu mat sëkk ci ñaari wetu
    • Kenn ku sësul wax ndànk
    • Ñaari waxtaan, sudee ñaari pàcc yi dañuy wax benn yoon
    • Di jouer music te kenn waxul
  4. Lan la filtre adaptif bi ci AEC classique bi di jéema xayma?
    • Tonu yëg-yëgu ki waxkat bi
    • Dooley siñaal Wi-Fi
    • Kodeku kompresioŋ bi ñuy jëfandikoo
    • Yoonu akustik bi (tontu impuls) joge ci oparlër bi dem ci mikro bi ci biir néeg bi
  5. Lan moo waral ñuy gëna yokk reso neuronal yi ci kaw filtre AEC yu yàgg yi?
    • Ngir saafara jafe-jafe yi amul rëdd ak echo residuel yi filtre rëdd yi ñàkk
    • Ngir woote yi gëna seer
    • Ngir wecci jumtukaayi mikro
    • Ngir yeexal liggéey bi ngir gëna jubal
  6. Ban algorithm moo gëna méngoo ak fomm echo buñ miin?
    • enkripsioŋ RSA
    • Kaare yu gëna ndaw yuñ yamale (NLMS)
    • kompresioŋ JPEG
    • Algorithm bu Dijkstra
  7. Why must an adaptive echo-path filter keep updating during a call?
    • The far-end reference changes its language every second
    • The microphone stops recording whenever a door opens
    • Room acoustics can change when people or objects move, changing the path from speaker to microphone
    • A fixed filter automatically learns new room conditions without updates
  8. What kinds of recordings are included in Microsoft's AEC Challenge datasets?
    • Only music recorded in anechoic chambers
    • Only far-end speech with no microphone signal
    • Only speech with no echo or near-end speaker
    • Single-talk and double-talk recordings from real devices and speakers, plus synthetic data