Television – Nonpictorial data packet in television format – Audio
Patent
1992-11-19
1994-11-29
Groody, James J.
Television
Nonpictorial data packet in television format
Audio
348632, 381 43, H04N 560
Patent
active
053694406
ABSTRACT:
A system and method for automatically controlling the audio output from a television so as to avoid listening to undesired material includes a microphone for converting the audio output from the television into audio signals, an audio amplifier for amplifying the audio signals from the microphone, a waveform pattern comparator, a waveform digitizer and recorder, a speech recognition unit, an external device controller, a computer and an input/output device. In setting up the system for subsequent use, waveform patterns of audio signals corresponding to material being outputted from the television which the listener considers undesirable are digitized by the waveform digitizer and recorder and then stored in the waveform pattern comparator. In addition, digital signals corresponding to key words in undesired material are entered into the computer through the input/output device and then transferred from the computer to the speech recognition unit. Once the system has been loaded with the undesired material, waveform pattern comparator continually digitizes and compares the audio signal output from the audio amplifier with the stored data. At the same time, the speech recognition unit compares the audio signal output with the stored key words. When the undesired material is detected an indicator signal is sent to the external device controller which outputs a control signal which is applied to the television to make some adjustment to either the sound or the channel to avoid listening to the undesired material.
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Groody James J.
Murrell Jeffrey S.
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