H - Electricity – 04 – M
Patent
H - Electricity
04
M
349/29
H04M 1/60 (2006.01) H03G 7/08 (2006.01)
Patent
CA 1311291
ABSTRACT A talker speech level control circuit for controlling the level of an electric signal converted from a talker speech, includes an acoustic-electric conversion element for converting an acoustic input signal into an electric signal; a talker speech level detection circuit for detecting whether or not if the speech level of an output signal from the conversion element is within an area representing a need of a speech level control; and a talker speech level adjustment circuit responsive to a signal detected by the talker speech level detection circuit for controlling the electric signal level in accordance with the detected area within which the talker speech level falls.
604681
Horiuchi Takeshi
Sato Yasuji
Fetherstonhaugh & Co.
Kabushiki Kaisha Toshiba
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