The use of digital speech has become widespread, and it provides enormous advantages in some applications over analog voice signals. One of the most important applications of digital speech is in long distance telephone communications. Digital speech can be passed through an almost unlimited number of repeaters with negligible degradation. Analog signals, on the other hand, suffer a small amount of degradation each time they are passed through a repeater.
KeywordsReflection Coefficient Digital Signal Processing Vocal Tract Pitch Period Pulse Code Modulation
Unable to display preview. Download preview PDF.