Title:
AUDIO ENCODING/DECODING METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/110722
Kind Code:
A1
Abstract:
An audio encoding/decoding method and device (101, 1000, 1200, 102, 1100, 1300), for use in reducing the data volume of encoding/decoding to improve the encoding/decoding efficiency. The method comprises: selecting a first target virtual loudspeaker from a preset virtual loudspeaker set according to a first scene audio signal (401); generating a first virtual loudspeaker signal according to the first scene audio signal and attribute information of the first target virtual loudspeaker (402); obtaining a second scene audio signal by using the attribute information of the first target virtual loudspeaker and the first virtual loudspeaker signal (403); generating a residual signal according to the first scene audio signal and the second scene audio signal (404); and encoding the first virtual loudspeaker signal and the residual signal, and writing same into a code stream (405).
Inventors:
GAO YUAN (CN)
LIU SHUAI (CN)
WANG BIN (CN)
WANG ZHE (CN)
QU TIANSHU (CN)
XU JIAHAO (CN)
LIU SHUAI (CN)
WANG BIN (CN)
WANG ZHE (CN)
QU TIANSHU (CN)
XU JIAHAO (CN)
Application Number:
PCT/CN2021/096839
Publication Date:
June 02, 2022
Filing Date:
May 28, 2021
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G10L19/00; G10L19/008; H04S3/00
Domestic Patent References:
| WO2013149867A1 | 2013-10-10 |
Foreign References:
| CN109891503A | 2019-06-14 | |||
| CN110544484A | 2019-12-06 | |||
| CN107077852A | 2017-08-18 | |||
| CN101388212A | 2009-03-18 | |||
| CN105637901A | 2016-06-01 | |||
| CN108777837A | 2018-11-09 | |||
| CN202011377433A | 2020-11-30 |
Attorney, Agent or Firm:
SHENPAT INTELLECTUAL PROPERTY AGENCY (CN)
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