Q. Cepstrum vocoder uses

  • (A) wavelet transform
  • (B) inverse wavelet transform
  • (C) cosine transform
  • (D) inverse fourier transform
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✅ Correct Answer: (D) inverse fourier transform
Explanation: cepstrum vocoders use inverse fourier transform. it separates the excitation and vocal tract spectrum by fourier transforming spectrum to produce the cepstrum of the signal.

Published by Shiva Ram ⭐ 30.44K Points at 08-Feb-2025 07:16 pm in Communication Engineering

Explanation by: Shiva Ram
cepstrum vocoders use inverse fourier transform. it separates the excitation and vocal tract spectrum by fourier transforming spectrum to produce the cepstrum of the signal.

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