Invention Grant
- Patent Title: Signal processing device, non-transitory computer-readable storage medium, signal processing method, and telephone apparatus
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Application No.: US15617004Application Date: 2017-06-08
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Publication No.: US10320967B2Publication Date: 2019-06-11
- Inventor: Masaru Fujieda
- Applicant: Oki Electric Industry Co., Ltd.
- Applicant Address: JP Tokyo
- Assignee: Oki Electric Industry Co., Ltd.
- Current Assignee: Oki Electric Industry Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Rabin & Berdo, P.C.
- Priority: JP2016-180719 20160915
- Main IPC: H04M1/00
- IPC: H04M1/00 ; H04M3/00 ; H04M9/08
Abstract:
The signal processing device comprises the adaptive gain calculation unit configured to calculate and output the adaptive gain for processing the voice reception output signal, by utilizing at least the voice transmission input signal and the relative volume value indicating the predetermined relative sound volume ratio between the voice transmission input signal and the voice reception output signal; and the multiplication unit configured to calculate the voice reception output signal by multiplying the signal based on the voice reception input signal by the value based on the adaptive gain.
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