IL285643B - 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
IL285643B
IL285643B IL285643A IL28564321A IL285643B IL 285643 B IL285643 B IL 285643B IL 285643 A IL285643 A IL 285643A IL 28564321 A IL28564321 A IL 28564321A IL 285643 B IL285643 B IL 285643B
Authority
IL
Israel
Prior art keywords
spectral band
decoding audio
band replication
fill element
enhanced spectral
Prior art date
Application number
IL285643A
Other languages
English (en)
Other versions
IL285643A (he
IL285643B2 (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 true IL285643B (he) 2022-10-01
IL285643B2 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 (10)

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

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
KR100935961B1 (ko) * 2001-11-14 2010-01-08 파나소닉 주식회사 부호화 장치 및 복호화 장치
KR101223835B1 (ko) * 2008-07-11 2013-01-17 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 오디오 신호 합성기 및 오디오 신호 인코더
MX2012004564A (es) * 2009-10-20 2012-06-08 Fraunhofer Ges Forschung Codificador de audio, decodificador de audio, metodo para codificar informacion de audio y programa de computacion que utiliza una reduccion de tamaño de intervalo interactiva.
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 (ja) * 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. オーディオコンテントを表すビットストリームのフレームにおけるフレーム要素位置決め
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 (es) * 2013-01-28 2017-10-04 Fraunhofer Ges Forschung Metodo y aparato para reproduccion de audio normalizada de medios con y sin metadatos de sonoridad incorporados en dispositivos de medios nuevos.
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
UA119808C2 (uk) 2019-08-12
HK1259406A1 (zh) 2019-11-29
IL256786A (he) 2018-03-29
HK1259131A1 (zh) 2019-11-29
DK3268961T3 (da) 2020-02-10
IL279327A (he) 2021-01-31
ZA201905506B (en) 2021-03-31
JP7210658B2 (ja) 2023-01-23
ZA201705971B (en) 2019-01-30
JP2021167981A (ja) 2021-10-21
JP6922017B2 (ja) 2021-08-18
ZA201705978B (en) 2019-02-27
ZA201901691B (en) 2020-07-29
HK1259544A1 (zh) 2019-11-29
HUE047987T2 (hu) 2020-05-28
IL285643A (he) 2021-09-30
IL285643B2 (he) 2023-02-01
IL256786B (he) 2021-01-31
ZA201805869B (en) 2019-11-27
HK1259408A1 (zh) 2019-11-29
TW201941186A (zh) 2019-10-16
TWI693595B (zh) 2020-05-11
SG10202005260VA (en) 2020-07-29
HK1259548A1 (zh) 2019-11-29
HUE053954T2 (hu) 2021-08-30
TW202042215A (zh) 2020-11-16
ZA201801941B (en) 2019-07-31
ES2867477T3 (es) 2021-10-20
TWI732403B (zh) 2021-07-01
IL279327B (he) 2021-09-30
HK1259302A1 (zh) 2019-11-29
ES2770029T3 (es) 2020-06-30
DK3268956T3 (da) 2021-10-18
JP2020079963A (ja) 2020-05-28

Similar Documents

Publication Publication Date Title
ZA202106847B (en) Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
IL285643A (he) פענוח זרימות סיביות עם מטאדה שכפול פס ספקטרלי משופרת בלפחות אלמנט מילוי אחד