US 12,439,218 B2
Virtualizer for binaural audio
C. Phillip Brown, Castro Valley, CA (US); Yuxing Hao, Beijing (CN); Xuemei Yu, Beijing (CN); and Zilong Yang, Beijing (CN)
Assigned to DOLBY LABORATORIES LICENSING CORPORATION, San Francisco, CA (US)
Appl. No. 18/547,494
Filed by DOLBY LABORATORIES LICENSING CORPORATION, San Francisco, CA (US)
PCT Filed Feb. 25, 2022, PCT No. PCT/US2022/017823
§ 371(c)(1), (2) Date Aug. 22, 2023,
PCT Pub. No. WO2022/182943, PCT Pub. Date Sep. 1, 2022.
Claims priority of provisional application 63/266,500, filed on Jan. 6, 2022.
Claims priority of provisional application 63/168,340, filed on Mar. 31, 2021.
Claims priority of application No. PCT/CN2021/077922 (WO), filed on Feb. 25, 2021.
Prior Publication US 2024/0187806 A1, Jun. 6, 2024
Int. Cl. H04S 5/00 (2006.01); H04S 7/00 (2006.01)
CPC H04S 5/00 (2013.01) [H04S 7/305 (2013.01); H04S 2400/01 (2013.01); H04S 2400/05 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A device providing binaural virtualization, the device comprising:
an input stage configured to receive a left input signal and a right input signal;
a virtualizer configured to perform virtualization creating binaural effect on audio of the left input signal and the right input signal;
an upmixer configured to convert the left input signal and right input signal to a right channel, a left channel, and a center channel;
a mixer configured to combine the left input signal with the left channel based on a center-only reverb amount value and combine the right input signal with the right channel based on the center-only reverb amount value, producing a mixer output; and
a reverb module configured to apply reverb to the mixer output input to the virtualizer which outputs virtualized binaural signal output.