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The problem of buzzy twang in synthesized speech is mitigated by multipulse excited LPC or code excited LPC.

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The problem of buzzy twang in synthesized speech is mitigated by multipulse excited LPC or code excited LPC.

(a) True

(b) False

This question was posed to me in examination.

This question is from Linear Predictive Coders topic in division Speech Coding of Wireless/Mobile

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Right answer is (a) True

Easy explanation: LPC vocoder produces buzzy twang in the synthesized speech due to phase coherence between the harmonic components of the excitation pulses. This problem is mitigated by multipulse excited or code excited LPC.

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