quiz bu lëkkale ak tegtal · Diggante Niveau

Laaj ak tontu ci koeffisien Cepstral yu Mel-Fréquence

Saytu ni MFCCs di tënk energie spectral scale perceptuel, li DCT di jàppale, ak lu tax jàng audio front ends bari.

Laaj 1 de 8

Luy 'mel' bi ci MFCC?

Xoolaatal laaj bu nekk8 laaj

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

  1. Luy 'mel' bi ci MFCC?
    • Tur ki ko defar
    • Benn xeetu lalu reso neuronal
    • Benn jumtukaay buy màndargaal kàddu yu kawe yi ci desibel
    • Balansu fréquence perceptuel buy toppandoo dégg bu nit
  2. Ban coppite lañu mujjee jëfandikoo ngir am koeffisien cepstral yi?
    • Soppi cosinus diskret
    • Soppi Fourier
    • Soppi wavelet
    • Soppi Hilbert
  3. Lan moo waral MFCC yi gëna am doole ci kàdduy waxkat bi?
    • Dañuy yokk fréquence bu am solo bi
    • DCT dafay tàqale jëmmu baat bu yeex ak armoniku ton yu gaaw
    • Dañu baña bàyyi xel ci amplitude
    • Dañuy njëkka soppi audio bi ci mbind
  4. Lu tollu ci ñaata koeffisien MFCC lañuy faral di denc ci kaadar bu nekk?
    • 100 gën
    • Lu tollu ci 1000
    • Lu tollu ci 13
    • rekk
  5. Lu tax ñuy jëfandikoo log ci energie mel-band?
    • Ngir soppi ci mbind
    • Ngir dindi bépp bruit bu baax
    • Yokk limu echantillonnage bi
    • Ngir xayma ni nit ñi di gisee kàddu yu am doole
  6. Ci sistem audio yu bees yi, lan mooy faral di wecci MFCC yiñ defaree loxo?
    • Formu vague yu ñor wala spectrogram log-mel yuñ dugal ci front-end yiñ jàng
    • Transkripsioŋ yu leer
    • Du soppi Fourier rek te amul benn eskaal
    • Dosie MIDI
  7. What do the MFCCs summarize after the discrete cosine transform?
    • The original waveform sample by sample
    • A compact representation of the log mel-spectrum’s broad shape
    • The exact phase of every frequency component
    • The semantic meaning of a spoken sentence
  8. What information is lost when a signal is summarized by a small set of MFCCs?
    • The recording’s entire duration
    • Every estimate of average loudness
    • Fine spectral detail and phase information
    • The existence of a time axis