Title:
MULTIDEVICE AUDIO PLAYBACK CORRECTION METHOD AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/168997
Kind Code:
A1
Abstract:
Disclosed in the embodiments of the present application are a multidevice audio playback correction method and apparatus. The method comprises: connecting to a plurality of playback devices, and transmitting an audio superimposed signal; recording transmission start time corresponding to the playback devices; receiving audio playback signals propagated by the playback devices, and recording receipt time corresponding to the playback devices; obtaining a transmission delay sequence corresponding to the playback devices by subtracting the transmission start time from the receipt time; and correcting the audio playback time of the playback devices according to the transmission delay sequence.
Inventors:
CHEN YICHONG (CN)
Application Number:
PCT/CN2020/083708
Publication Date:
September 02, 2021
Filing Date:
April 08, 2020
Export Citation:
Assignee:
JRD COMMUNICATION SHENZHEN LTD (CN)
International Classes:
H04W4/80; G11B27/10; H04N21/43
Foreign References:
| CN108449630A | 2018-08-24 | |||
| CN205283753U | 2016-06-01 | |||
| CN106411448A | 2017-02-15 | |||
| CN102387171A | 2012-03-21 | |||
| CN109219008A | 2019-01-15 | |||
| CN105338393A | 2016-02-17 | |||
| US20190297589A1 | 2019-09-26 |
Attorney, Agent or Firm:
ESSEN PATENT&TRADEMARK AGENCY (CN)
Download PDF: