SG10202005260VA - Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element - Google Patents

Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Info

Publication number
SG10202005260VA
SG10202005260VA SG10202005260VA SG10202005260VA SG10202005260VA SG 10202005260V A SG10202005260V A SG 10202005260VA SG 10202005260V A SG10202005260V A SG 10202005260VA SG 10202005260V A SG10202005260V A SG 10202005260VA SG 10202005260V A SG10202005260V A SG 10202005260VA
Authority
SG
Singapore
Prior art keywords
spectral band
decoding audio
band replication
fill element
enhanced spectral
Prior art date
Application number
SG10202005260VA
Inventor
Lars Villemoes
Heiko Purnhagen
Per Ekstrand
Original Assignee
Dolby Int Ab
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 Dolby Int Ab filed Critical Dolby Int Ab
Publication of SG10202005260VA publication Critical patent/SG10202005260VA/en

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/167Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/02Speech 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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032Quantisation or dequantisation of spectral components
    • G10L19/035Scalar quantisation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Stereophonic System (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
SG10202005260VA 2015-03-13 2016-03-10 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element SG10202005260VA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15159067 2015-03-13
US201562133800P 2015-03-16 2015-03-16

Publications (1)

Publication Number Publication Date
SG10202005260VA true SG10202005260VA (en) 2020-07-29

Family

ID=66624667

Family Applications (1)

Application Number Title Priority Date Filing Date
SG10202005260VA SG10202005260VA (en) 2015-03-13 2016-03-10 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Country Status (10)

Country Link
JP (2) JP6922017B2 (en)
DK (2) DK3268956T3 (en)
ES (2) ES2867477T3 (en)
HK (6) HK1259544A1 (en)
HU (2) HUE053954T2 (en)
IL (3) IL256786B (en)
SG (1) SG10202005260VA (en)
TW (2) TWI732403B (en)
UA (1) UA119808C2 (en)
ZA (6) ZA201705971B (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE512719C2 (en) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd A method and apparatus for reducing data flow based on harmonic bandwidth expansion
KR100935961B1 (en) * 2001-11-14 2010-01-08 파나소닉 주식회사 Encoding device and decoding device
KR101223835B1 (en) * 2008-07-11 2013-01-17 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. Audio signal synthesizer and audio signal encoder
MX2012004564A (en) * 2009-10-20 2012-06-08 Fraunhofer Ges Forschung Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using an iterative interval size reduction.
AU2011226212B2 (en) * 2010-03-09 2014-03-27 Dolby International Ab Apparatus and method for processing an input audio signal using cascaded filterbanks
US9093120B2 (en) * 2011-02-10 2015-07-28 Yahoo! Inc. Audio fingerprint extraction by scaling in time and resampling
JP5820487B2 (en) * 2011-03-18 2015-11-24 フラウンホーファーゲゼルシャフトツール フォルデルング デル アンゲヴァンテン フォルシユング エー.フアー. Frame element positioning in a bitstream frame representing audio content
EP2950308B1 (en) * 2013-01-22 2020-02-19 Panasonic Corporation Bandwidth expansion parameter-generator, encoder, decoder, bandwidth expansion parameter-generating method, encoding method, and decoding method
MX351187B (en) * 2013-01-28 2017-10-04 Fraunhofer Ges Forschung Method and apparatus for normalized audio playback of media with and without embedded loudness metadata on new media devices.
TWI530941B (en) * 2013-04-03 2016-04-21 杜比實驗室特許公司 Methods and systems for interactive rendering of object based audio

Also Published As

Publication number Publication date
UA119808C2 (en) 2019-08-12
HK1259406A1 (en) 2019-11-29
IL256786A (en) 2018-03-29
HK1259131A1 (en) 2019-11-29
DK3268961T3 (en) 2020-02-10
IL279327A (en) 2021-01-31
ZA201905506B (en) 2021-03-31
JP7210658B2 (en) 2023-01-23
ZA201705971B (en) 2019-01-30
JP2021167981A (en) 2021-10-21
JP6922017B2 (en) 2021-08-18
ZA201705978B (en) 2019-02-27
ZA201901691B (en) 2020-07-29
HK1259544A1 (en) 2019-11-29
HUE047987T2 (en) 2020-05-28
IL285643A (en) 2021-09-30
IL285643B2 (en) 2023-02-01
IL256786B (en) 2021-01-31
ZA201805869B (en) 2019-11-27
HK1259408A1 (en) 2019-11-29
TW201941186A (en) 2019-10-16
TWI693595B (en) 2020-05-11
IL285643B (en) 2022-10-01
HK1259548A1 (en) 2019-11-29
HUE053954T2 (en) 2021-08-30
TW202042215A (en) 2020-11-16
ZA201801941B (en) 2019-07-31
ES2867477T3 (en) 2021-10-20
TWI732403B (en) 2021-07-01
IL279327B (en) 2021-09-30
HK1259302A1 (en) 2019-11-29
ES2770029T3 (en) 2020-06-30
DK3268956T3 (en) 2021-10-18
JP2020079963A (en) 2020-05-28

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