IL285643B2 - פענוח זרימות סיביות עם מטאדה שכפול פס ספקטרלי משופרת בלפחות אלמנט מילוי אחד - Google Patents

פענוח זרימות סיביות עם מטאדה שכפול פס ספקטרלי משופרת בלפחות אלמנט מילוי אחד

Info

Publication number
IL285643B2
IL285643B2 IL285643A IL28564321A IL285643B2 IL 285643 B2 IL285643 B2 IL 285643B2 IL 285643 A IL285643 A IL 285643A IL 28564321 A IL28564321 A IL 28564321A IL 285643 B2 IL285643 B2 IL 285643B2
Authority
IL
Israel
Prior art keywords
audio
bitstream
spectral band
band replication
metadata
Prior art date
Application number
IL285643A
Other languages
English (en)
Other versions
IL285643B (he
IL285643A (he
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
Priority claimed from PCT/US2016/021666 external-priority patent/WO2016149015A1/en
Application filed by Dolby Int Ab filed Critical Dolby Int Ab
Publication of IL285643A publication Critical patent/IL285643A/he
Publication of IL285643B publication Critical patent/IL285643B/he
Publication of IL285643B2 publication Critical patent/IL285643B2/he

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)
IL285643A 2015-03-13 2021-08-16 פענוח זרימות סיביות עם מטאדה שכפול פס ספקטרלי משופרת בלפחות אלמנט מילוי אחד IL285643B2 (he)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15159067 2015-03-13
US201562133800P 2015-03-16 2015-03-16
PCT/US2016/021666 WO2016149015A1 (en) 2015-03-13 2016-03-10 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Publications (3)

Publication Number Publication Date
IL285643A IL285643A (he) 2021-09-30
IL285643B IL285643B (he) 2022-10-01
IL285643B2 true IL285643B2 (he) 2023-02-01

Family

ID=66624667

Family Applications (3)

Application Number Title Priority Date Filing Date
IL256786A IL256786B (he) 2015-03-13 2018-01-08 פענוח זרימות סיביות עם מטאדה שכפול פס ספקטרלי משופרת בלפחות אלמנט מילוי אחד
IL279327A IL279327B (he) 2015-03-13 2020-12-09 פענוח זרימות סיביות עם מטאדה שכפול פס ספקטרלי משופרת בלפחות אלמנט מילוי אחד
IL285643A IL285643B2 (he) 2015-03-13 2021-08-16 פענוח זרימות סיביות עם מטאדה שכפול פס ספקטרלי משופרת בלפחות אלמנט מילוי אחד

Family Applications Before (2)

Application Number Title Priority Date Filing Date
IL256786A IL256786B (he) 2015-03-13 2018-01-08 פענוח זרימות סיביות עם מטאדה שכפול פס ספקטרלי משופרת בלפחות אלמנט מילוי אחד
IL279327A IL279327B (he) 2015-03-13 2020-12-09 פענוח זרימות סיביות עם מטאדה שכפול פס ספקטרלי משופרת בלפחות אלמנט מילוי אחד

Country Status (9)

Country Link
JP (2) JP6922017B2 (he)
DK (2) DK3268956T3 (he)
ES (2) ES2867477T3 (he)
HU (2) HUE047987T2 (he)
IL (3) IL256786B (he)
SG (1) SG10202005260VA (he)
TW (2) TWI732403B (he)
UA (1) UA119808C2 (he)
ZA (6) ZA201705978B (he)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI758146B (zh) * 2015-03-13 2022-03-11 瑞典商杜比國際公司 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
EP1701340B1 (en) * 2001-11-14 2012-08-29 Panasonic Corporation Decoding device, method and program
WO2010003539A1 (en) * 2008-07-11 2010-01-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal synthesizer and audio signal encoder
PT2491553T (pt) * 2009-10-20 2017-01-20 Fraunhofer Ges Forschung Codificador de áudio, descodificador de áudio, método para codificar uma informação de áudio, método para descodificar uma informação de áudio e programa de computador que utiliza uma redução iterativa de tamanho de intervalo
CA2792452C (en) * 2010-03-09 2018-01-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. 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
MY163427A (en) * 2011-03-18 2017-09-15 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V Frame Element Positioning in Frames of a Bitstream Representing Audio Content
WO2014115225A1 (ja) * 2013-01-22 2014-07-31 パナソニック株式会社 帯域幅拡張パラメータ生成装置、符号化装置、復号装置、帯域幅拡張パラメータ生成方法、符号化方法、および、復号方法
EP2948947B1 (en) * 2013-01-28 2017-03-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for normalized audio playback of media with and without embedded loudness metadata on new media devices
TWI530941B (zh) * 2013-04-03 2016-04-21 杜比實驗室特許公司 用於基於物件音頻之互動成像的方法與系統

Also Published As

Publication number Publication date
IL279327A (he) 2021-01-31
IL285643B (he) 2022-10-01
ZA201705978B (en) 2019-02-27
HK1259302A1 (zh) 2019-11-29
SG10202005260VA (en) 2020-07-29
HK1259408A1 (zh) 2019-11-29
ZA201905506B (en) 2021-03-31
IL279327B (he) 2021-09-30
JP6922017B2 (ja) 2021-08-18
HK1259544A1 (zh) 2019-11-29
JP2020079963A (ja) 2020-05-28
IL256786A (he) 2018-03-29
ZA201805869B (en) 2019-11-27
TW201941186A (zh) 2019-10-16
ZA201705971B (en) 2019-01-30
ES2770029T3 (es) 2020-06-30
TWI693595B (zh) 2020-05-11
DK3268961T3 (da) 2020-02-10
HK1259131A1 (zh) 2019-11-29
IL256786B (he) 2021-01-31
HUE047987T2 (hu) 2020-05-28
ES2867477T3 (es) 2021-10-20
ZA201801941B (en) 2019-07-31
UA119808C2 (uk) 2019-08-12
TW202042215A (zh) 2020-11-16
DK3268956T3 (da) 2021-10-18
HK1259406A1 (zh) 2019-11-29
ZA201901691B (en) 2020-07-29
TWI732403B (zh) 2021-07-01
JP7210658B2 (ja) 2023-01-23
IL285643A (he) 2021-09-30
JP2021167981A (ja) 2021-10-21
HK1259548A1 (zh) 2019-11-29
HUE053954T2 (hu) 2021-08-30

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