Patent ID: 11942096
Assignee: NAVER CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 7:
8. A method by a computer system, the method comprising:
detecting audio files and metadata, the audio files being generated for a plurality of objects at a venue, respectively, the metadata including spatial features at the venue that are set for the objects, respectively; and
transmitting the audio files and the metadata for a user,
wherein the computer system is configured to support a format including a video track for video content, a plain audio track for audio content completed using a plurality of audio signals, and an immersive audio track for the audio files and the metadata,
wherein the immersive audio track includes a plurality of audio channels for the audio files and a single meta-channel for the metadata, and
wherein the method further comprises,
encoding the immersive audio track by an audio codec, the immersive audio track including a pulse code modulation (PCM) audio signal,
transmitting the metadata, which has been transmitted through a single channel of the PCM audio signal and synchronized with the audio files, according to a transmission period that is determined based on a frame size of the audio codec, the metadata included as a plurality of sets in a single frame,
encoding the metadata using an advanced audio coding (AAC) standard,
inserting at least one set among the plurality of sets into a data stream element (DSE), and
inserting metadata of a previous frame in response to a start flag or an end flag of the metadata being not verified.