Patent ID: 11887618
Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 8:
9. The method according to claim 8, wherein the performing the smoothing processing comprises:
determining, for a current subband in a current frame currently processed in the audio frames, a preset quantity of adjacent subbands adjacent to the current subband in the current frame;
combining the adjacent subbands and the current subband to form a subband sequence;
performing weighted summation on the power spectra of the subbands in the subband sequence according to weights corresponding to the subband sequence, to obtain a frequency domain smooth power spectrum of the current subband in the current frame; and
performing weighted summation on a frequency domain smooth power spectrum of a historical subband corresponding to a same subband number with the current subband in a frame preceding the current frame and the frequency domain smooth power spectrum of the current subband in the current frame, to obtain a subband smooth power spectrum of the current subband in the current frame.