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Audio rendering system and method therefor

Info

Publication number
WO2013111034A3
Authority
WO
Grant status
Application
Patent type
Prior art keywords
audio
signal
rendering
channel
correlation
Prior art date
Application number
PCT/IB2013/050331
Other languages
French (fr)
Other versions
WO2013111034A2 (en )
Inventor
Bernd Roland JACQUES
Aki Sakari HÄRMÄ
Mun Hum Park
Original Assignee
Koninklijke Philips N.V.
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

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS
    • H04S5/00Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • H04S7/305Electronic adaptation of stereophonic audio signals to reverberation of the listening space
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
    • H04R1/347Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers for obtaining a phase-shift between the front and back acoustic wave
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2203/00Details of circuits for transducers, loudspeakers or microphones covered by H04R3/00 but not provided for in any of its subgroups
    • H04R2203/12Beamforming aspects for stereophonic sound reproduction with loudspeaker arrays
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/12Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/07Synergistic effects of band splitting and sub-band processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • H04S7/302Electronic adaptation of stereophonic sound system to listener position or orientation
    • H04S7/303Tracking of listener position or orientation

Abstract

An audio rendering system comprises a first speaker arrangement (107) rendering audio to a listening position (103) predominantly along non-reflected acoustic paths and a second speaker arrangement (115) rendering audio to predominantly along reflected acoustic paths. An audio renderer (101) comprises an upmixer (203) for upmixing a channel signal of a multi-channel audio signal to a first audio signal and a second audio signal corresponding to more diffuse sound than the first audio signal. The upmixing is in response to a correlation measure for two channels of the multi-channel signal. The correlation measure is generated by a correlation estimator (213). Drivers (205, 207) drive the first and second speaker arrangements (107, 115) from the first and second audio signals respectfully. The approach may provide a more enveloping audio experience without introducing positional errors for specific sound sources.
PCT/IB2013/050331 2012-01-23 2013-01-14 Audio rendering system and method therefor WO2013111034A3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US201261589438 true 2012-01-23 2012-01-23
US61/589,438 2012-01-23

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN 201380005428 CN104041079A (en) 2012-01-23 2013-01-14 Audio rendering system and method therefor
EP20130710012 EP2807833A2 (en) 2012-01-23 2013-01-14 Audio rendering system and method therefor
JP2014552726A JP6078556B2 (en) 2012-01-23 2013-01-14 Audio rendering system and method for its

Publications (2)

Publication Number Publication Date
WO2013111034A2 true WO2013111034A2 (en) 2013-08-01
WO2013111034A3 true true WO2013111034A3 (en) 2014-01-23

Family

ID=47891792

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2013/050331 WO2013111034A3 (en) 2012-01-23 2013-01-14 Audio rendering system and method therefor

Country Status (4)

Country Link
JP (1) JP6078556B2 (en)
CN (1) CN104041079A (en)
EP (1) EP2807833A2 (en)
WO (1) WO2013111034A3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9743211B2 (en) 2013-03-19 2017-08-22 Koninklijke Philips N.V. Method and apparatus for determining a position of a microphone
WO2015128376A1 (en) * 2014-02-28 2015-09-03 Stormingswiss Sàrl Autonomous residual determination and yield of low-residual additional signals
WO2015173422A1 (en) * 2014-05-15 2015-11-19 Stormingswiss Sàrl Method and apparatus for generating an upmix from a downmix without residuals
DE102015008000A1 (en) 2015-06-24 2016-12-29 Saalakustik.De Gmbh A method for sound reproduction in reflection environments, particularly in Hörräumen

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4837825A (en) * 1987-02-28 1989-06-06 Shivers Clarence L Passive ambience recovery system for the reproduction of sound
US20020154783A1 (en) * 2001-02-09 2002-10-24 Lucasfilm Ltd. Sound system and method of sound reproduction
US20040212320A1 (en) * 1997-08-26 2004-10-28 Dowling Kevin J. Systems and methods of generating control signals
US20060256969A1 (en) * 2005-05-13 2006-11-16 Alpine Electronics, Inc. Audio device and method for generating surround sound
US20100183155A1 (en) * 2009-01-16 2010-07-22 Samsung Electronics Co., Ltd. Adaptive remastering apparatus and method for rear audio channel
WO2010119572A1 (en) * 2009-04-17 2010-10-21 Pioneer Corporation Surround signal generation device, surround signal generation method, and surround signal generation program
WO2011151771A1 (en) * 2010-06-02 2011-12-08 Koninklijke Philips Electronics N.V. System and method for sound processing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101390443B (en) * 2006-02-21 2010-12-01 皇家飞利浦电子股份有限公司 Audio encoding and decoding
CN201328191Y (en) * 2008-12-18 2009-10-14 固昌通讯股份有限公司 Multi-track sound-source switching box and multi-track acoustic system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4837825A (en) * 1987-02-28 1989-06-06 Shivers Clarence L Passive ambience recovery system for the reproduction of sound
US20040212320A1 (en) * 1997-08-26 2004-10-28 Dowling Kevin J. Systems and methods of generating control signals
US20020154783A1 (en) * 2001-02-09 2002-10-24 Lucasfilm Ltd. Sound system and method of sound reproduction
US20060256969A1 (en) * 2005-05-13 2006-11-16 Alpine Electronics, Inc. Audio device and method for generating surround sound
US20100183155A1 (en) * 2009-01-16 2010-07-22 Samsung Electronics Co., Ltd. Adaptive remastering apparatus and method for rear audio channel
WO2010119572A1 (en) * 2009-04-17 2010-10-21 Pioneer Corporation Surround signal generation device, surround signal generation method, and surround signal generation program
US20120045065A1 (en) * 2009-04-17 2012-02-23 Pioneer Corporation Surround signal generating device, surround signal generating method and surround signal generating program
WO2011151771A1 (en) * 2010-06-02 2011-12-08 Koninklijke Philips Electronics N.V. System and method for sound processing

Also Published As

Publication number Publication date Type
JP2015508245A (en) 2015-03-16 application
EP2807833A2 (en) 2014-12-03 application
CN104041079A (en) 2014-09-10 application
WO2013111034A2 (en) 2013-08-01 application
JP6078556B2 (en) 2017-02-08 grant

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