CONVERSION
The Pulse Code Modulation (PCM) Technique
By Dr. Ernest Simo
2.0 Uniform and Non-Uniform Quantization
Non-Uniform Quantization
Speech signals are Non-Uniform: The amplitude is more likely to be close to zero than to be at a high level.
So, it should be more suitable to use Non-Uniform quantizers with unequally spaced levels, than uniform quantizers.
ANALOG-TO-DIGITAL CONVERSION
The Pulse Code Modulation (PCM) Technique
© 1999 DR. ERNEST SIMO - SPACE2000