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1. A speech signal, band limited to 4kHz and peak voltage varying between + 5V and - 5V is sampled at the Nyquist rate. Each sample is quantized and represented by 8 bits. The number of quantization levels required to reduce the quantization noise by a factor of 4 would be





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  • By: guest on 02 Jun 2017 12.55 am
    To reduce quantization noise by 4 No. of levels should increase by 2 Thus 512 levels are required.
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