US PATENT SUBCLASS 381 / FOR 100
AUDIO BANDWIDTH COMPRESSION OR EXPANSION (381/29)

Current as of: June, 1999
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381 /   HD   ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES

FOR 100AUDIO BANDWIDTH COMPRESSION OR EXPANSION (381/29) {2}
FOR 101  DF  .~> With content reduction encoding (381/30)
FOR 102  DF  .~> Delay line (381/33)

DEFINITION

Classification: 381/FOR.100

AUDIO BANDWIDTH COMPRESSION OR EXPANSION:

Foreign art collection where there is either an expansion or reduction of the bandwidth required for transmission of a sound signal using analog techniques or elements.