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.

公开(公告)号：US20240406661A1

公开(公告)日：2024-12-05

申请号：US18671744

申请日：2024-05-22

Applicant: Apple Inc.

Inventor： Dipanjan Sen ,  Francois Becker ,  Moo Young Kim ,  Sang Uk Ryu

IPC: H04S7/00 ,  G10L19/008

Abstract: The various aspects of the disclosure here enable a content creation side to control how discrete audio objects that make up a sound program are rendered by a decoding side to achieve high spatial resolution, while giving the content creator the flexibility to decide how complex the spatial audio rendering should be in the decoding side. Metadata associated with the sound program will instruct a spatial audio renderer on how complex its listener motion compensation should be. Other aspects are also described and claimed.

公开(公告)号：US20240404497A1

公开(公告)日：2024-12-05

申请号：US18671818

申请日：2024-05-22

Applicant: Apple Inc.

Inventor： Dipanjan Sen ,  Moo Young Kim ,  Francois Becker ,  Sang Uk Ryu

IPC: G10K11/175 ,  G10L19/002 ,  H04S7/00

Abstract: The various aspects of the disclosure here enable a content creation side to control how a sound program is spatial audio rendered by a decoding side, so that an audio scene component in a metadata-specified three dimensional acoustic masking zone is not heard while another audio scene component in an un-masked zone of the sound program is heard by a listener of the playback. Other aspects are also described and claimed.

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：US20240406669A1

公开(公告)日：2024-12-05

申请号：US18665488

申请日：2024-05-15

Applicant: Apple Inc.

Inventor： Dipanjan Sen ,  Moo Young Kim ,  Francois Becker ,  Sang Uk Ryu

IPC: H04S7/00 ,  G10L19/008 ,  H04S3/00

Abstract: The various aspects of the disclosure here enable a content creation side to control how discrete audio objects that make up a sound program are rendered by a decoding side to achieve greater realism, while enabling the decoder side to also control the rendering process to consider the positions and orientations of the objects as virtual sound sources relative to the listener. The same sound program can thus be optimally rendered by a variety of decoder side formats, such as binaural on headphone, cross-talked cancelled binaural on a stereo pair of speakers embedded in a device, or multichannel on an immersive loudspeaker layout, e.g., planar such as 5.1 and 7.1 surround sound layouts, 3D such as 7.1.4 or 22.2, etc. Other aspects are also described and claimed.

公开(公告)号：US20240406660A1

公开(公告)日：2024-12-05

申请号：US18671597

申请日：2024-05-22

Applicant: Apple Inc.

Inventor： Dipanjan Sen ,  Francois Becker ,  Moo Young Kim ,  Sang Uk Ryu

IPC: H04S7/00

Abstract: The various aspects of the disclosure here enable a content creation side to control how discrete audio objects that make up a sound program are rendered by a decoding side to achieve high spatial resolution, while giving the content creator the flexibility to decide how complex the spatial audio rendering should be in the decoding side. Metadata associated with the sound program will instruct a spatial audio renderer on how complex its listener motion compensation should be. Other aspects are also described and claimed.

公开(公告)号：US20240406656A1

公开(公告)日：2024-12-05

申请号：US18671861

申请日：2024-05-22

Applicant: Apple Inc.

Inventor： Dipanjan Sen ,  Moo Young Kim ,  Francois Becker ,  Sang Uk Ryu

IPC: H04S7/00 ,  G10L19/008

Abstract: The various aspects of the disclosure here enable a content creation side to control how a sound program is spatial audio rendered by a decoding side, so that an audio scene component in a metadata-specified three dimensional acoustic masking zone is not heard while another audio scene component in an un-masked zone of the sound program is heard by a listener of the playback. Other aspects are also described and claimed.

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.