US PATENT SUBCLASS 704 / 221
.~.~ Pattern matching vocoders

Current as of: June, 1999
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704 /   HD   DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION

200  DF  SPEECH SIGNAL PROCESSING {4}
201  DF  .~ For storage or transmission {12}
221.~.~ Pattern matching vocoders {2}
222  DF  .~.~.~> Vector quantization
223  DF  .~.~.~> Excitation patterns

DEFINITION

Classification: 704/221

Pattern matching vocoders:

(under subclass 201) Subject matter wherein speech signals are compared and matching patterns are encoded.