公开(公告)号：US09373335B2

公开(公告)日：2016-06-21

申请号：US14423388

申请日：2013-08-26

Applicant: DOLBY LABORATORIES LICENSING CORPORATION

Inventor： S. Spencer Hooks ,  Freddie Sanchez

IPC: G10L19/008 ,  H04H20/89 ,  H04H60/04 ,  H04S3/00 ,  G10L19/16 ,  H04S1/00

CPC classification number: G10L19/008 ,  G10L19/167 ,  G10L19/173 ,  H04H20/89 ,  H04H60/04 ,  H04S1/005 ,  H04S1/007 ,  H04S3/004 ,  H04S3/008 ,  H04S2420/03

Abstract: Methods and apparatuses are disclosed that can combine audio content from two encoded input signals into a new encoded output signal without requiring a decode or re-encode of audio content in either encoded input signal. Encoded data representing audio content and spatial location of audio objects in two different input encoded signals are combined to generate an encoded output signal that has encoded data representing audio objects from both of the input encoded signals.

Abstract translation: 公开了可以将来自两个编码的输入信号的音频内容组合成新的编码输出信号的方法和装置，而不需要在编码的输入信号中对音频内容进行解码或重新编码。 表示音频内容的编码数据和在两个不同的输入编码信号中的音频对象的空间位置被组合以产生编码的输出信号，其编码表示来自两个输入编码信号的音频对象的数据。

公开(公告)号：US12277942B2

公开(公告)日：2025-04-15

申请号：US18346464

申请日：2023-07-03

Applicant: Dolby Laboratories Licensing Corporation ,  DOLBY INTERNATIONAL AB

Inventor： Robert Andrew France ,  Thomas Ziegler ,  Sripal S. Mehta ,  Andrew Jonathan Dowell ,  Prinyar Saungsomboon ,  Michael David Dwyer ,  Farhad Farahani ,  Nicolas R. Tsingos ,  Freddie Sanchez

IPC: G10L19/008 ,  G06F3/16 ,  G10L19/20 ,  H04S3/00 ,  H04S7/00 ,  G10L19/16

Abstract: Methods for generating an object based audio program which is renderable in a personalizable manner, e.g., to provide an immersive, perception of audio content of the program. Other embodiments include steps of delivering (e.g., broadcasting), decoding, and/or rendering such a program. Rendering of audio objects indicated by the program may provide an immersive experience. The audio content of the program may be indicative of multiple object channels (e.g., object channels indicative of user-selectable and user-configurable objects, and typically also a default set of objects which will be rendered in the absence of a selection by a user) and a bed of speaker channels. Another aspect is an audio processing unit (e.g., encoder or decoder) configured to perform, or which includes a buffer memory which stores at least one frame (or other segment) of an object based audio program (or bitstream thereof) generated in accordance with, any embodiment of the method.

公开(公告)号：US12094476B2

公开(公告)日：2024-09-17

申请号：US17781978

申请日：2020-12-02

Applicant: DOLBY LABORATORIES LICENSING CORPORATION ,  DOLBY INTERNATIONAL AB

Inventor： Michael C. Ward ,  Freddie Sanchez ,  Christof Joseph Fersch

IPC: G10L19/00 ,  G10L19/16

CPC classification number: G10L19/167

Abstract: Embodiments are disclosed for channel-based audio (CBA) (e.g., 22.2-ch audio) to object-based audio (OBA) conversion. The conversion includes converting CBA metadata to object audio metadata (OAMD) and reordering the CBA channels based on channel shuffle information derived in accordance with channel ordering constraints of the OAMD. The OBA with reordered channels is rendered in a playback device using the OAMD or in a source device, such as a set-top box or audio/video recorder. In an embodiment, the CBA metadata includes signaling that indicates a specific OAMD representation to be used in the conversion of the metadata. In an embodiment, pre-computed OAMD is transmitted in a native audio bitstream (e.g., AAC) for transmission (e.g., over HDMI) or for rendering in a source device. In an embodiment, pre-computed OAMD is transmitted in a transport layer bitstream (e.g., ISO BMFF, MPEG4 audio bitstream) to a playback device or source device.

公开(公告)号：US11727945B2

公开(公告)日：2023-08-15

申请号：US17392146

申请日：2021-08-02

Applicant: DOLBY LABORATORIES LICENSING CORPORATION ,  DOLBY INTERNATIONAL AB

Inventor： Robert Andrew France ,  Thomas Ziegler ,  Sripal S. Mehta ,  Andrew Jonathan Dowell ,  Prinyar Saungsomboon ,  Michael David Dwyer ,  Farhad Farahani ,  Nicolas R. Tsingos ,  Freddie Sanchez

IPC: G10L19/008 ,  G10L19/20 ,  H04S7/00 ,  G06F3/16 ,  H04S3/00 ,  G10L19/16

CPC classification number: G10L19/008 ,  G06F3/165 ,  G10L19/20 ,  H04S3/008 ,  H04S7/30 ,  G10L19/167 ,  H04S2400/01 ,  H04S2400/13 ,  H04S2400/15 ,  H04S2420/03

Abstract: Methods for generating an object based audio program which is renderable in a personalizable manner, e.g., to provide an immersive, perception of audio content of the program. Other embodiments include steps of delivering (e.g., broadcasting), decoding, and/or rendering such a program. Rendering of audio objects indicated by the program may provide an immersive experience. The audio content of the program may be indicative of multiple object channels (e.g., object channels indicative of user-selectable and user-configurable objects, and typically also a default set of objects which will be rendered in the absence of a selection by a user) and a bed of speaker channels. Another aspect is an audio processing unit (e.g., encoder or decoder) configured to perform, or which includes a buffer memory which stores at least one frame (or other segment) of an object based audio program (or bitstream thereof) generated in accordance with, any embodiment of the method.

公开(公告)号：US11190893B2

公开(公告)日：2021-11-30

申请号：US16875999

申请日：2020-05-16

Applicant: DOLBY LABORATORIES LICENSING CORPORATION

Inventor： Joshua Brandon Lando ,  Freddie Sanchez ,  Alan J. Seefeldt

IPC: H04S3/00 ,  G10L19/008 ,  H04R5/02 ,  G10L19/20 ,  H04R1/40 ,  G10L19/16 ,  H04R27/00 ,  H04S7/00

Abstract: Embodiments are directed to a method of rendering adaptive audio by receiving input audio comprising channel-based audio, audio objects, and dynamic objects, wherein the dynamic objects are classified as sets of low-priority dynamic objects and high-priority dynamic objects, rendering the channel-based audio, the audio objects, and the low-priority dynamic objects in a first rendering processor of an audio processing system, and rendering the high-priority dynamic objects in a second rendering processor of the audio processing system. The rendered audio is then subject to virtualization and post-processing steps for playback through soundbars and other similar limited height capable speakers.

公开(公告)号：US11115776B2

公开(公告)日：2021-09-07

申请号：US16851656

申请日：2020-04-17

Applicant: DOLBY LABORATORIES LICENSING CORPORATION ,  DOLBY INTERNATIONAL AB

Inventor： Nicolas R. Tsingos ,  David S. McGrath ,  Freddie Sanchez ,  Antonio Mateos Sole

IPC: H04S7/00

Abstract: The positions of a plurality of speakers at a media consumption site are determined. Audio information in an object-based format is received. Gain adjustment value for a sound content portion in the object-based format may be determined based on the position of the sound content portion and the positions of the plurality of speakers. Audio information in a ring-based channel format is received. Gain adjustment value for each ring-based channel in a set of ring-based channels may be determined based on the ring to which the ring-based channel belongs and the positions of the speakers at a media consumption site.

公开(公告)号：US11081118B2

公开(公告)日：2021-08-03

申请号：US16718053

申请日：2019-12-17

Applicant: DOLBY INTERNATIONAL AB ,  DOLBY LABORATORIES LICENSING CORPORATION

Inventor： Robert Andrew France ,  Thomas Ziegler ,  Sripal S. Mehta ,  Andrew Jonathan Dowell ,  Prinyar Saungsomboon ,  Michael David Dwyer ,  Farhad Farahani ,  Nicolas R. Tsingos ,  Freddie Sanchez

IPC: G10L19/008 ,  G10L19/20 ,  H04S7/00 ,  G06F3/16 ,  H04S3/00 ,  G10L19/16

Abstract: Methods for generating an object based audio program which is renderable in a personalizable manner, e.g., to provide an immersive, perception of audio content of the program. Other embodiments include steps of delivering (e.g., broadcasting), decoding, and/or rendering such a program. Rendering of audio objects indicated by the program may provide an immersive experience. The audio content of the program may be indicative of multiple object channels (e.g., object channels indicative of user-selectable and user-configurable objects, and typically also a default set of objects which will be rendered in the absence of a selection by a user) and a bed of speaker channels. Another aspect is an audio processing unit (e.g., encoder or decoder) configured to perform, or which includes a buffer memory which stores at least one frame (or other segment) of an object based audio program (or bitstream thereof) generated in accordance with, any embodiment of the method.

公开(公告)号：US10515644B2

公开(公告)日：2019-12-24

申请号：US15989073

申请日：2018-05-24

Applicant: DOLBY INTERNATIONAL AB ,  DOLBY LABORATORIES LICENSING CORPORATION

Inventor： Robert Andrew France ,  Thomas Ziegler ,  Sripal S. Mehta ,  Andrew Jonathan Dowell ,  Prinyar Saungsomboon ,  Michael David Dwyer ,  Farhad Farahani ,  Nicolas R. Tsingos ,  Freddie Sanchez

IPC: G10L19/008 ,  G10L19/20 ,  H04S7/00 ,  G06F3/16 ,  H04S3/00 ,  G10L19/16

Abstract: Methods for generating an object based audio program which is renderable in a personalizable manner, e.g., to provide an immersive, perception of audio content of the program. Other embodiments include steps of delivering (e.g., broadcasting), decoding, and/or rendering such a program. Rendering of audio objects indicated by the program may provide an immersive experience. The audio content of the program may be indicative of multiple object channels (e.g., object channels indicative of user-selectable and user-configurable objects, and typically also a default set of objects which will be rendered in the absence of a selection by a user) and a bed of speaker channels. Another aspect is an audio processing unit (e.g., encoder or decoder) configured to perform, or which includes a buffer memory which stores at least one frame (or other segment) of an object based audio program (or bitstream thereof) generated in accordance with, any embodiment of the method.

公开(公告)号：US09858932B2

公开(公告)日：2018-01-02

申请号：US14903508

申请日：2014-07-01

Applicant: Dolby Laboratories Licensing Corporation ,  DOLBY INTERNATIONAL AB

Inventor： Brian George Arnott ,  Dirk Jeroen Breebaart ,  Antonio Mateos Sole ,  David S. McGrath ,  Heiko Purnhagen ,  Freddie Sanchez ,  Nicolas R. Tsingos

IPC: G10L21/00 ,  G10L13/00 ,  G10L19/00 ,  G10L19/008 ,  G10L19/16 ,  G10L19/005 ,  G10L19/24

CPC classification number: G10L19/0017 ,  G10L19/005 ,  G10L19/008 ,  G10L19/167 ,  G10L19/24

Abstract: Embodiments are directed to a method of representing spatial rendering metadata for processing in an object-based audio system that allows for lossless interpolation and/or re-sampling of the metadata. The method comprises time stamping the metadata to create metadata instances, and encoding an interpolation duration to with each metadata instance that specifies the time to reach a desired rendering state for the respective metadata instance. The re-sampling of metadata is useful for re-clocking metadata to an audio coder and for the editing audio content.

公开(公告)号：US20150348558A1

公开(公告)日：2015-12-03

申请号：US14822168

申请日：2015-08-10

Applicant: Dolby Laboratories Licensing Corporation

Inventor： Jeffrey Riedmiller ,  Farhad Farahani ,  Michael Hoffmann ,  Michael Grant ,  Freddie Sanchez

IPC: G10L19/002

CPC classification number: G10L19/018 ,  G10L19/167

Abstract: Methods for generating or decoding an encoded audio bitstream including audio data and supplementary data (e.g., metadata and/or unrelated audio data), where at least some of the supplementary data is included as LSBs of audio segments, and/or at least some of the supplementary data is included in guard bands. Typical embodiments provide a scalable and video synchronous format compatible with real-time and file-based infrastructure components that support the SMPTE 337 format for carrying data in AES3 serial bitstreams, and/or provide a framework for extending distribution codecs to scale beyond an 8-channel limit to support multiples of 8 channels synchronously across multiple AES3 interfaces. Another aspect is an audio processing unit configured to perform any embodiment of the method or including a buffer memory storing at least one segment of an audio bitstream generated in accordance with any embodiment of the method.

Abstract translation: 用于生成或解码包括音频数据和补充数据（例如，元数据和/或不相关的音频数据）的编码音频比特流的方法，其中至少一些补充数据被包括为音频段的LSB，和/或至少一些 辅助数据包含在保护频带中。 典型的实施例提供了与支持用于在AES3串行比特流中传送数据的SMPTE 337格式的实时和基于文件的基础设施组件兼容的可扩展和视频同步格式，和/或提供用于扩展分布式编解码器以扩展到8- 通道限制，以跨多个AES3接口同步支持8个通道的倍数。 另一方面是被配置为执行该方法的任何实施例的音频处理单元，或者包括存储根据该方法的任何实施例生成的音频比特流的至少一个段的缓冲存储器。