US PATENT SUBCLASS 704 / 223
.~.~.~ Excitation patterns

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  DF  .~.~ Pattern matching vocoders {2}
223.~.~.~ Excitation patterns

DEFINITION

Classification: 704/223

Excitation patterns:

(under subclass 221) Subject matter wherein the encoding models speech using representations including the primary frequency period or periods (e.g., pitch excitation, multipulse excitation, etc.).