公开(公告)号：US20240096335A1

公开(公告)日：2024-03-21

申请号：US18454409

申请日：2023-08-23

Applicant: Apple Inc.

Inventor： Sina Zamani ,  Moo Young Kim ,  Dipanjan Sen ,  Sang Uk Ryu ,  Juha O. Merimaa ,  Symeon Delikaris Manias

IPC: G10L19/008 ,  G10L25/03

CPC classification number: G10L19/008 ,  G10L25/03

Abstract: In one aspect, a computer-implemented method, includes obtaining object audio and metadata that spatially describes the object audio, converting the object audio to time-frequency domain Ambisonics audio based on the metadata, and encoding the time-frequency domain Ambisonics audio and a subset of the metadata as one or more bitstreams to be stored in computer-readable memory or transmitted to a remote device.

公开(公告)号：US20240098444A1

公开(公告)日：2024-03-21

申请号：US18454508

申请日：2023-08-23

Applicant: Apple Inc.

Inventor： Sina Zamani ,  Moo Young Kim ,  Dipanjan Sen ,  Sang Uk Ryu ,  Juha O. Merimaa ,  Symeon Delikaris Manias

IPC: H04S7/00

CPC classification number: H04S7/303 ,  H04S2420/11

Abstract: In one aspect, a computer-implemented method, includes obtaining object audio and metadata that spatially describes the object audio, converting the object audio to Ambisonics audio based on the metadata, encoding, in a first bit stream, the Ambisonics audio, and encoding, in a second bit stream, at least a subset of the metadata.

公开(公告)号：US20240404531A1

公开(公告)日：2024-12-05

申请号：US18662842

申请日：2024-05-13

Applicant: Apple Inc.

Inventor： Moo Young Kim ,  Sina Zamani ,  Dipanjan Sen ,  Tejaswi Nanjundaswamy

IPC: G10L19/008 ,  H04S7/00

Abstract: A method that includes a decoder-side method that includes receiving a bitstream that includes an encoded representation of an input audio signal and metadata associated with the input audio signal, producing a decoded representation of the input audio signal by decoding the encoded representation using a Matching Pursuit (MP) coding-based algorithm, producing audio driver signals by rendering the input audio signal based on the metadata, and driving speakers using the audio driver signals.