WO2013186561A3 - Doubly compatible lossless audio bandwidth extension - Google Patents

Doubly compatible lossless audio bandwidth extension Download PDF

Info

Publication number
WO2013186561A3
WO2013186561A3 PCT/GB2013/051548 GB2013051548W WO2013186561A3 WO 2013186561 A3 WO2013186561 A3 WO 2013186561A3 GB 2013051548 W GB2013051548 W GB 2013051548W WO 2013186561 A3 WO2013186561 A3 WO 2013186561A3
Authority
WO
WIPO (PCT)
Prior art keywords
bandwidth extension
audio bandwidth
lossless audio
decoder
encoder
Prior art date
Application number
PCT/GB2013/051548
Other languages
French (fr)
Other versions
WO2013186561A2 (en
Inventor
Peter Graham Craven
Malcolm Law
John Robert Stuart
Original Assignee
Meridian Audio Limited
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
Priority to GB1210373.5 priority Critical
Priority to GBGB1210373.5A priority patent/GB201210373D0/en
Application filed by Meridian Audio Limited filed Critical Meridian Audio Limited
Publication of WO2013186561A2 publication Critical patent/WO2013186561A2/en
Publication of WO2013186561A3 publication Critical patent/WO2013186561A3/en

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/0017Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1806Pulse code modulation systems for audio signals

Abstract

An encoder for digital audio signals at a higher sample rate creates a stream for consumer distribution at a lower sampling rate, with compatibility for standard PCM players without a decoder. In conjunction with a suitable decoder, two enhanced playback options are supported, the first option allowing full lossless reconstruction of a noise-shaped higher sampling rate signal, the second option allowing lossy bandwidth extension even if an intervening transmission chain has truncated the least-significant-bits of the encoder's output signal.
PCT/GB2013/051548 2012-06-12 2013-06-12 Doubly compatible lossless audio bandwidth extension WO2013186561A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1210373.5 2012-06-12
GBGB1210373.5A GB201210373D0 (en) 2012-06-12 2012-06-12 Doubly compatible lossless audio sandwidth extension

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN201380038662.1A CN104508740B (en) 2012-06-12 2013-06-12 Dual compatible lossless audio bandwidth expansion
EP13733412.4A EP2859548B1 (en) 2012-06-12 2013-06-12 Doubly compatible lossless audio bandwidth extension
CA2898923A CA2898923C (en) 2012-06-12 2013-06-12 Doubly compatible lossless audio bandwidth extension
US14/406,110 US9548055B2 (en) 2012-06-12 2013-06-12 Doubly compatible lossless audio bandwidth extension
JP2015516683A JP6264699B2 (en) 2012-06-12 2013-06-12 Lossless audio bandwidth expansion with dual compatibility
KR1020157000750A KR102202833B1 (en) 2012-06-12 2013-06-12 Doubly compatible lossless audio bandwidth extension

Publications (2)

Publication Number Publication Date
WO2013186561A2 WO2013186561A2 (en) 2013-12-19
WO2013186561A3 true WO2013186561A3 (en) 2014-02-27

Family

ID=46605804

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2013/051548 WO2013186561A2 (en) 2012-06-12 2013-06-12 Doubly compatible lossless audio bandwidth extension

Country Status (8)

Country Link
US (1) US9548055B2 (en)
EP (1) EP2859548B1 (en)
JP (1) JP6264699B2 (en)
KR (1) KR102202833B1 (en)
CN (1) CN104508740B (en)
CA (1) CA2898923C (en)
GB (3) GB201210373D0 (en)
WO (1) WO2013186561A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2495918B (en) * 2011-10-24 2015-11-04 Malcolm Law Lossless buried data
GB201210373D0 (en) 2012-06-12 2012-07-25 Meridian Audio Ltd Doubly compatible lossless audio sandwidth extension
EP2980795A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
GB2547877B (en) * 2015-12-21 2019-08-14 Graham Craven Peter Lossless bandsplitting and bandjoining using allpass filters
CN108496221B (en) 2016-01-26 2020-01-21 杜比实验室特许公司 Adaptive quantization
CN106205627B (en) * 2016-07-14 2019-10-18 暨南大学 Digital audio reversible water mark algorithm based on side information prediction and histogram translation
CN106528040A (en) * 2016-11-02 2017-03-22 福建星网视易信息系统有限公司 Method and apparatus for improving audio quality of android device
US10354669B2 (en) 2017-03-22 2019-07-16 Immersion Networks, Inc. System and method for processing audio data
WO2019091573A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters
EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000079520A1 (en) * 1999-06-21 2000-12-28 Digital Theater Systems, Inc. Improving sound quality of established low bit-rate audio coding systems without loss of decoder compatibility
WO2007128662A1 (en) * 2006-05-05 2007-11-15 Thomson Licensing Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0400222A1 (en) * 1989-06-02 1990-12-05 ETAT FRANCAIS représenté par le Ministère des Postes, des Télécommunications et de l'Espace Digital transmission system using subband coding of a digital signal
US5596647A (en) * 1993-06-01 1997-01-21 Matsushita Avionics Development Corporation Integrated video and audio signal distribution system and method for use on commercial aircraft and other vehicles
JP3312538B2 (en) * 1995-08-18 2002-08-12 日本ビクター株式会社 Sound signal processing device
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US6226325B1 (en) * 1996-03-27 2001-05-01 Kabushiki Kaisha Toshiba Digital data processing system
JPH09261068A (en) * 1996-03-27 1997-10-03 Toshiba Corp Data compression/decoding/transmission/reception/ recording/reproduction method and device
JP3405109B2 (en) * 1996-04-17 2003-05-12 日本ビクター株式会社 Encoding device, decoding device, recording medium, and digital audio signal reproducing device
KR100251453B1 (en) * 1997-08-26 2000-04-15 윤종용 High quality coder & decoder and digital multifuntional disc
JP2003280694A (en) * 2002-03-26 2003-10-02 Nec Corp Hierarchical lossless coding and decoding method, hierarchical lossless coding method, hierarchical lossless decoding method and device therefor, and program
US7424434B2 (en) 2002-09-04 2008-09-09 Microsoft Corporation Unified lossy and lossless audio compression
US7395210B2 (en) * 2002-11-21 2008-07-01 Microsoft Corporation Progressive to lossless embedded audio coder (PLEAC) with multiple factorization reversible transform
JP4679049B2 (en) * 2003-09-30 2011-04-27 パナソニック株式会社 Scalable decoding device
US7272567B2 (en) * 2004-03-25 2007-09-18 Zoran Fejzo Scalable lossless audio codec and authoring tool
EP1743326B1 (en) * 2004-03-25 2011-05-18 DTS, Inc. Lossless multi-channel audio codec
US20070078645A1 (en) * 2005-09-30 2007-04-05 Nokia Corporation Filterbank-based processing of speech signals
EP1852848A1 (en) * 2006-05-05 2007-11-07 Deutsche Thomson-Brandt GmbH Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream
EP1883067A1 (en) * 2006-07-24 2008-01-30 Deutsche Thomson-Brandt Gmbh Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
AU2009267531B2 (en) * 2008-07-11 2013-01-10 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. An apparatus and a method for decoding an encoded audio signal
WO2011062535A1 (en) * 2009-11-19 2011-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Methods and arrangements for loudness and sharpness compensation in audio codecs
US8374858B2 (en) * 2010-03-09 2013-02-12 Dts, Inc. Scalable lossless audio codec and authoring tool
GB201210373D0 (en) 2012-06-12 2012-07-25 Meridian Audio Ltd Doubly compatible lossless audio sandwidth extension

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000079520A1 (en) * 1999-06-21 2000-12-28 Digital Theater Systems, Inc. Improving sound quality of established low bit-rate audio coding systems without loss of decoder compatibility
WO2007128662A1 (en) * 2006-05-05 2007-11-15 Thomson Licensing Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
KOMAMURA M: "WIDE-BAND AND WIDE-DYNAMIC-RANGE RECORDING AND REPRODUCTION OF DIGITAL AUDIO", JOURNAL OF THE AUDIO ENGINEERING SOCIETY, AUDIO ENGINEERING SOCIETY, NEW YORK, NY, US, vol. 43, no. 1/02, 1 January 1995 (1995-01-01), pages 29 - 39, XP000733674, ISSN: 1549-4950 *
VEEN VAN DER M ET AL: "HIGH CAPACITY REVERSIBLE WATERMARKING FOR AUDIO", PROCEEDINGS OF SPIE - INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING, S P I E - INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING, US, vol. 5020, 1 January 2003 (2003-01-01), pages 1 - 11, XP001189791, ISSN: 0277-786X, DOI: 10.1117/12.476858 *

Also Published As

Publication number Publication date
GB201310486D0 (en) 2013-07-24
CN104508740A (en) 2015-04-08
KR20150032699A (en) 2015-03-27
CA2898923C (en) 2021-03-16
WO2013186561A2 (en) 2013-12-19
EP2859548A2 (en) 2015-04-15
GB2503110A (en) 2013-12-18
GB201210373D0 (en) 2012-07-25
US9548055B2 (en) 2017-01-17
JP6264699B2 (en) 2018-01-24
GB201310497D0 (en) 2013-07-24
US20150154969A1 (en) 2015-06-04
CN104508740B (en) 2017-08-11
JP2015519615A (en) 2015-07-09
CA2898923A1 (en) 2013-12-19
EP2859548B1 (en) 2018-01-31
KR102202833B1 (en) 2021-01-14
GB2503110B (en) 2016-06-15

Similar Documents

Publication Publication Date Title
WO2013186561A3 (en) Doubly compatible lossless audio bandwidth extension
HK1259024A1 (en) Audio encoder and bandwidth extension decoder
EP2633521A4 (en) Coding generic audio signals at low bitrates and low delay
HK1156142A1 (en) Low bitrate audio encoding decoding scheme having cascaded switches
WO2011085021A3 (en) Multimedia cable
AR080842A1 (en) AUDIO CODING, AUDIO DECODER AND RELATED METHODS FOR THE PROCESSING OF MULTI-CHANNEL AUDIO SIGNALS USING COMPLEX PREACHING
WO2010087614A3 (en) Method for encoding and decoding an audio signal and apparatus for same
WO2010143907A3 (en) Encoding method and encoding device, decoding method and decoding device and transcoding method and transcoder for multi-object audio signals
PL1866911T3 (en) Scalable multi-channel audio coding
EP2752845A3 (en) Methods for encoding and decoding multi-channel audio signal
MX2016000858A (en) Audio decoder, audio.
PL1866912T3 (en) Multi-channel audio coding
EP2115739A4 (en) Methods and apparatuses for encoding and decoding object-based audio signals
WO2012064123A3 (en) Method and apparatus for determining a video compression standard in a 3dtv service
WO2010090427A3 (en) Audio signal encoding and decoding method, and apparatus for same
WO2013068587A3 (en) Upsampling using oversampled sbr
EP2254110A4 (en) Stereo signal encoding device, stereo signal decoding device and methods for them
MX2015015988A (en) Coding of audio scenes.
WO2011130186A3 (en) Fixed point implementation for geometric motion partitioning
WO2013061062A3 (en) Lossless embedded additional data
WO2008006108A3 (en) Systems and methods for multi-dialog surround audio
WO2014161994A3 (en) Advanced quantizer
WO2003086017A3 (en) Signal processing
WO2011055982A3 (en) Apparatus and method for encoding/decoding a multi-channel audio signal
WO2010038000A3 (en) Improved lossy coding of signals

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13733412

Country of ref document: EP

Kind code of ref document: A2

WWE Wipo information: entry into national phase

Ref document number: 14406110

Country of ref document: US

ENP Entry into the national phase

Ref document number: 2015516683

Country of ref document: JP

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 20157000750

Country of ref document: KR

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 2013733412

Country of ref document: EP

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13733412

Country of ref document: EP

Kind code of ref document: A2

ENP Entry into the national phase

Ref document number: 2898923

Country of ref document: CA