Title:
METHODS AND SYSTEMS FOR RECORDING MIXED AUDIO SIGNAL AND REPRODUCING DIRECTIONAL AUDIO
Document Type and Number:
WIPO Patent Application WO/2021/060680
Kind Code:
A1
Abstract:
Methods and systems are provided for recording mixed audio signal and reproducing directional audio. A method includes receiving a mixed audio signal via plurality of microphones; determining an audio parameter associated with the mixed audio signal received at each of the plurality of microphones; determining active audio sources and a number of the active audio sources from the mixed audio signal; determining direction and positional information of each of the active audio source; dynamically selecting a set of microphones from the plurality of microphones based on at least one of the number of the active audio sources, the direction of each of the active audio sources, the positional information of each of the active audio sources, the audio parameter, or a predefined condition; and recording, based on the selected set of microphones, the mixed audio signal for reproducing directional audio.
More Like This:
Inventors:
AGARWALA NARESH KUMAR (IN)
SINGH RITESH (IN)
SINGH RITESH (IN)
Application Number:
PCT/KR2020/009115
Publication Date:
April 01, 2021
Filing Date:
July 10, 2020
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H04R3/00; G01S3/80; G10L21/028
Foreign References:
| US20180166091A1 | 2018-06-14 | |||
| KR20170087207A | 2017-07-28 | |||
| KR20170097519A | 2017-08-28 | |||
| KR20090044314A | 2009-05-07 | |||
| US20120237055A1 | 2012-09-20 | |||
| US20150016641A1 | 2015-01-15 | |||
| US9197974B1 | 2015-11-24 |
Other References:
See also references of EP 3963902A4
Attorney, Agent or Firm:
LEE, Keon-Joo et al. (KR)
Download PDF: