US 12,249,968 B2
Method and system for normalizing platform-adaptive audio
Seongcheol Jo, Seongnam-si (KR); Taek Su An, Seongnam-si (KR); Sung Hyun Kang, Seongnam-si (KR); JiUng Lee, Seongnam-si (KR); Byung Gyou Choi, Seongnam-si (KR); Jeongsoo Hur, Seongnam-si (KR); Hyung Oh Oh, Seongnam-si (KR); Taegyu Lee, Seoul (KR); and Hyeonsu Seo, Seoul (KR)
Assigned to NAVER CORPORATION, Seongnam-si (KR); and GAUDIO LAB, INC., Seoul (KR)
Filed by NAVER CORPORATION, Seongnam-si (KR); and GAUDIO LAB, INC., Seoul (KR)
Filed on Jun. 10, 2022, as Appl. No. 17/806,380.
Application 17/806,380 is a continuation of application No. PCT/KR2020/018151, filed on Dec. 11, 2020.
Claims priority of application No. 10-2019-0164787 (KR), filed on Dec. 11, 2019.
Prior Publication US 2022/0302892 A1, Sep. 22, 2022
Int. Cl. H03G 7/00 (2006.01); G10L 21/0364 (2013.01); H04L 1/00 (2006.01); H04L 65/756 (2022.01)
CPC H03G 7/007 (2013.01) [G10L 21/0364 (2013.01); H04L 1/0014 (2013.01); H04L 65/756 (2022.05)] 13 Claims
OG exemplary drawing
 
1. A platform adaptive audio normalization method performed by a computer device having at least one processor, the platform adaptive audio normalization method comprising:
encoding input video content, generating video stream data as original data, and storing the video stream data in a storage;
generating loudness metadata for audio data of the video content and storing the loudness metadata in the storage;
retrieving the video stream data of the video content corresponding to a request for the video content received from a client, the loudness metadata, and a device profile corresponding to device information included in the request from the storage; and
transmitting a response that includes the video stream data, the loudness metadata, and the device profile retrieved from the storage to the client,
wherein the device profile includes
a first adjustment value that adjusts a normalization factor by analyzing at least one of a number, positions, and distances of audio output devices of a playback device based on audio that is output through the playback device for playing back the video content and is input at a preset playback position, or
a second adjustment value that adjusts a normalization factor by analyzing an output and an impedance in an audio output device of a playback device for playing back the video content.