CIRCUIT FOR JUDGING TO DISTINGUISH BETWEEN AUDIO AND NON-AUDIO SIGNALS

A threshold level for determining whether an input speech signal is an audio or non-audio signal in a voice operated recorder is changed in accordance with the ratio of the non-audio duration of the input speech signal to a predetermined period of time so as to decrease the influence of ambient nois...

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Bibliographische Detailangaben
1. Verfasser:	NAKANO, YOSHITOMO
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACOUSTICS INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER MUSICAL INSTRUMENTS PHYSICS SPEECH ANALYSIS OR SYNTHESIS SPEECH OR AUDIO CODING OR DECODING SPEECH OR VOICE PROCESSING SPEECH RECOGNITION
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Beschreibung
Zusammenfassung:	A threshold level for determining whether an input speech signal is an audio or non-audio signal in a voice operated recorder is changed in accordance with the ratio of the non-audio duration of the input speech signal to a predetermined period of time so as to decrease the influence of ambient noise on the judgement between audio and non-audio signals as made by the voice operated recorder.