Microphone position and speech level sensor

Details Microphone position and speech level sensor Microphone position and speech level sensor

2006-11-07

2008-11-25

Tran, CongVan (Department: 2617)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S569100, C381S071100

Reexamination Certificate

active

07457644

ABSTRACT:
Improper microphone position and speech level on a telephone headset is sensed by comparison of a speech envelope to multiple signal threshold levels. A first threshold is used to determine whether a headset user is talking. A second threshold is used to determine whether a signal level at the microphone is sufficiently strong for proper communication. An indicator is activated when the user is talking and the signal level is too weak. Typically, a weak signal is caused by a mispositioned microphone or a user talking too softly.

REFERENCES:
patent: 7003123 (2006-02-01), Kanevsky et al.

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