Time Compression and Expansion of Speech by the Sampling Method
A brief review will be made of the historical development of speech time compression-expansion techniques and equipment. Recent advances in electronic circuitries, both analog and digital, have made it possible to construct low cost speech time compressor-expanders with good audio quality and very high reliability. Several such methods will be discussed. A demonstration will be given to illustrate the state of art in speech time compression-expansion.
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