UA114793C2 - System and method for adaptive audio signal generation, coding and rendering - Google Patents

System and method for adaptive audio signal generation, coding and rendering

Info

Publication number
UA114793C2
UA114793C2 UAA201400839A UAA201400839A UA114793C2 UA 114793 C2 UA114793 C2 UA 114793C2 UA A201400839 A UAA201400839 A UA A201400839A UA A201400839 A UAA201400839 A UA A201400839A UA 114793 C2 UA114793 C2 UA 114793C2
Authority
UA
Ukraine
Prior art keywords
streams
rendering
sound
audio
channel
Prior art date
Application number
UAA201400839A
Other languages
Ukrainian (uk)
Inventor
Чарльз К. Робінсон
Ніколас Р. Тсінгос
Крістоф Шабанне
Original Assignee
Долбі Лабораторіс Лайсензін Корпорейшн
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Долбі Лабораторіс Лайсензін Корпорейшн filed Critical Долбі Лабораторіс Лайсензін Корпорейшн
Priority claimed from PCT/US2012/044388 external-priority patent/WO2013006338A2/en
Publication of UA114793C2 publication Critical patent/UA114793C2/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/308—Electronic adaptation dependent on speaker or headphone connection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11—Application of ambisonics in stereophonic audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/13—Application of wave-field synthesis in stereophonic audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)

Abstract

Embodiments are described for an adaptive audio system that processes audio data comprising a number of independent monophonic audio streams. One or more of the streams has associated with it metadata that specifies whether the stream is a channel-based or object-based stream. Channel-based streams have rendering information encoded by means of channel name; and the object-based streams have location information encoded through location expressions encoded in the associated metadata. A codec packages the independent audio streams into a single serial bitstream that contains all of the audio data. This configuration allows tor the sound to be rendered according to an allocentric frame of reference, in which the rendering location of a sound is based on the characteristics of the playback environment (e.g., room size, shape, etc.) to correspond to the mixer's intent. The object position metadata contains the appropriate allocentric frame of reference information required to play the sound correctly using the available speaker positions in a room that is set up to play the adaptive audio content.
UAA201400839A 2012-04-20 2012-06-27 System and method for adaptive audio signal generation, coding and rendering UA114793C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261636429P 2012-04-20 2012-04-20
PCT/US2012/044388 WO2013006338A2 (en) 2011-07-01 2012-06-27 System and method for adaptive audio signal generation, coding and rendering

Publications (1)

Publication Number Publication Date
UA114793C2 true UA114793C2 (en) 2017-08-10

Family

ID=55888374

Family Applications (1)

Application Number Title Priority Date Filing Date
UAA201400839A UA114793C2 (en) 2012-04-20 2012-06-27 System and method for adaptive audio signal generation, coding and rendering

Country Status (2)

Country Link
CN (1) CN105578380B (en)
UA (1) UA114793C2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10419866B2 (en) * 2016-10-07 2019-09-17 Microsoft Technology Licensing, Llc Shared three-dimensional audio bed
CN108206022B (en) * 2016-12-16 2020-12-18 南京青衿信息科技有限公司 Codec for transmitting three-dimensional acoustic signals by using AES/EBU channel and coding and decoding method thereof
CN111034225B (en) * 2017-08-17 2021-09-24 高迪奥实验室公司 Audio signal processing method and apparatus using ambisonic signal
US11272308B2 (en) * 2017-09-29 2022-03-08 Apple Inc. File format for spatial audio
WO2019204214A2 (en) * 2018-04-16 2019-10-24 Dolby Laboratories Licensing Corporation Methods, apparatus and systems for encoding and decoding of directional sound sources
US10672405B2 (en) * 2018-05-07 2020-06-02 Google Llc Objective quality metrics for ambisonic spatial audio
WO2021006871A1 (en) * 2019-07-08 2021-01-14 Dts, Inc. Non-coincident audio-visual capture system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2598575A1 (en) * 2005-02-22 2006-08-31 Verax Technologies Inc. System and method for formatting multimode sound content and metadata
EP2255359B1 (en) * 2008-03-20 2015-07-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Device and method for acoustic indication
EP2194527A3 (en) * 2008-12-02 2013-09-25 Electronics and Telecommunications Research Institute Apparatus for generating and playing object based audio contents
PL2465114T3 (en) * 2009-08-14 2020-09-07 Dts Llc System for adaptively streaming audio objects

Also Published As

Publication number Publication date
CN105578380B (en) 2018-10-26
CN105578380A (en) 2016-05-11

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