Linear predictive coding system models the vocal tract as __________ linear filter.(a) Pole and zero(b) All zero(c) All pole(d) No poleThe question was asked in homework.This interesting question is from Linear Predictive Coders in chapter Speech Coding of Wireless/Mobile

Linear predictive coding system models the vocal tract as __________ l

1.	Linear predictive coding system models the vocal tract as __________ linear filter.(a) Pole and zero(b) All zero(c) All pole(d) No poleThe question was asked in homework.This interesting question is from Linear Predictive Coders in chapter Speech Coding of Wireless/Mobile
Answer» The CORRECT option is (c) All pole Easiest explanation: The linear predictive coding system models the vocal TRACT as an all pole linear filter. The excitation to this filter is either a pulse at the pitch frequency or random white noise depending on WHETHER the speech segment is VOICED or unvoiced.

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