Time and Frequency Resolution in Speech Analysis and Synthesis
GEORGIA INST OF TECH ATLANTA SCHOOL OF ELECTRICAL ENGINEERING
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A problem basic to the development of all digital telecommunication systems is the efficient digital encoding of speech signals for transmission. Many speech digitization algorithms have been proposed. This study, using as a research vehicle the homomorphic vocoder algorithm, is directed toward determining the time resolution and the frequency resolution required to faithfully reproduce a speech signal. The results reported are fundamental in that they are applicable to any speech digitization algorithm. The resolutions required for typical speaker situations are summarized.
- Voice Communications