US PATENT SUBCLASS 348 / 482
.~.~.~ Sound signal

Current as of: June, 1999
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348 /   HD   TELEVISION

469  DF  FORMAT {6}
473  DF  .~ Including additional information {5}
476  DF  .~.~ During sync, blanking, or overscan {4}
482.~.~.~ Sound signal {1}
483  DF  .~.~.~.~> Plural (e.g., stereo or SAP)

DEFINITION

Classification: 348/482

Sound signal:

(under subclass 476) Subject matter wherein the additional information is an audio signal.