Q. RPE-LTP codec combines the advantage of RELP codec and CELP codec.

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Q. Which of the following is true for MPE-LTP codec?

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Q. Which of the following is true for baseband RELP codec?

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Q. Which of the following is the name of original speech coder used in the pan European digital cellular standard GSM?

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Q. The type of modulation does not affect the choice of speech codec.

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Q. Which of the following is an important factor in determining spectral efficiency of the system?

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Q. The choice of speech coder does not depend on cell size used.

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Q. Multipulse excited LPC requires pitch detection.

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

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Q. Which of the following LPC produces a buzzy twang in the synthesized speech?

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Q. Which of the following LPC uses two sources at the receiver?

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Q. Which of the non-linear transform is generally used to improve the coding of reflection coefficient?

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Q. How many past samples are used by linear predictive coders to estimate present sample?

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Q. Which of the following LPC uses code book?

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Q. Linear predictive vocoders use __________ to estimate present sample.

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Q. Linear predictive coding system models the vocal tract as __________ linear filter.

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Q. Linear predictive coders are computationally simple.

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Q. Linear predictive coders belong to _______ domain class of vocoders.

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Q. Cepstrum vocoder uses __________

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Q. Formant vocoders use large number of control signals.

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