US PATENT SUBCLASS 348 / 481
.~.~.~.~.~ Plural (e.g., stereo or SAP)

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}
479  DF  .~.~.~ During horizontal blanking {1}
480  DF  .~.~.~.~ Sound signal {1}
481.~.~.~.~.~ Plural (e.g., stereo or SAP)

DEFINITION

Classification: 348/481

Plural (e.g., stereo or SAP):

(under subclass 480) Subject matter including more than one audio signal.

(1) Note. The audio signals may be related such as stereo or unrelated such as a second language.

SEE OR SEARCH CLASS

381, Electrical Audio Signal Processing Systems and Devices,

1+, for binaural and stereophonic, per se.