Title:
音声／オーディオ信号処理方法および装置
Document Type and Number:
Japanese Patent JP6378274
Kind Code:
B2
Abstract:
Embodiments of the present invention disclose a speech/audio signal processing method and apparatus. In an embodiment, the speech/audio signal processing method includes: when a speech/audio signal switches bandwidth, obtaining an initial high frequency signal corresponding to a current frame of speech/audio signal; obtaining a time-domain global gain parameter of the initial high frequency signal; performing weighting processing on an energy ratio and the time-domain global gain parameter, and using an obtained weighted value as a predicted global gain parameter, where the energy ratio is a ratio between energy of a historical frame of high frequency time-domain signal and energy of a current frame of initial high frequency signal; correcting the initial high frequency signal by using the predicted global gain parameter, to obtain a corrected high frequency time-domain signal; and synthesizing a current frame of narrow frequency time-domain signal and the corrected high frequency time-domain signal and outputting the synthesized signal.
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Inventors:
Liu Sawa Shin
Seedling
Seedling
Application Number:
JP2016180496A
Publication Date:
August 22, 2018
Filing Date:
September 15, 2016
Export Citation:
Assignee:
HUAWEI TECHNOLOGIES CO.,LTD.
International Classes:
G10L19/02; G10L21/0388
Domestic Patent References:
| JP6010141B2 |
Foreign References:
| WO2012110482A1 | ||||
| WO2007000988A1 |
Attorney, Agent or Firm:
Yoshifumi Saeki
Keiji Kiuchi
Keiji Kiuchi