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ZA201705971B - 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
ZA201705971B
ZA201705971B ZA2017/05971A ZA201705971A ZA201705971B ZA 201705971 B ZA201705971 B ZA 201705971B ZA 2017/05971 A ZA2017/05971 A ZA 2017/05971A ZA 201705971 A ZA201705971 A ZA 201705971A ZA 201705971 B ZA201705971 B ZA 201705971B
Authority
ZA
South Africa
Prior art keywords
spectral band
decoding audio
band replication
fill element
enhanced spectral
Prior art date
Application number
ZA2017/05971A
Other languages
English (en)
Inventor
Villemoes Lars
Purnhagen Heiko
Ekstrand Per
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/EP2016/055202 external-priority patent/WO2016146492A1/en
Application filed by Dolby Int Ab filed Critical Dolby Int Ab
Publication of ZA201705971B publication Critical patent/ZA201705971B/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)
ZA2017/05971A 2015-03-13 2017-09-01 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element ZA201705971B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15159067 2015-03-13
US201562133800P 2015-03-16 2015-03-16
PCT/EP2016/055202 WO2016146492A1 (en) 2015-03-13 2016-03-10 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Publications (1)

Publication Number Publication Date
ZA201705971B true ZA201705971B (en) 2019-01-30

Family

ID=66624667

Family Applications (6)

Application Number Title Priority Date Filing Date
ZA2017/05978A ZA201705978B (en) 2015-03-13 2017-09-01 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
ZA2017/05971A ZA201705971B (en) 2015-03-13 2017-09-01 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
ZA2018/01941A ZA201801941B (en) 2015-03-13 2018-03-23 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
ZA201805869A ZA201805869B (en) 2015-03-13 2018-08-31 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
ZA2019/01691A ZA201901691B (en) 2015-03-13 2019-03-19 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
ZA2019/05506A ZA201905506B (en) 2015-03-13 2019-08-21 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ZA2017/05978A ZA201705978B (en) 2015-03-13 2017-09-01 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Family Applications After (4)

Application Number Title Priority Date Filing Date
ZA2018/01941A ZA201801941B (en) 2015-03-13 2018-03-23 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
ZA201805869A ZA201805869B (en) 2015-03-13 2018-08-31 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
ZA2019/01691A ZA201901691B (en) 2015-03-13 2019-03-19 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
ZA2019/05506A ZA201905506B (en) 2015-03-13 2019-08-21 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Country Status (10)

Country Link
JP (2) JP6922017B2 (zh)
DK (2) DK3268956T3 (zh)
ES (2) ES2867477T3 (zh)
HK (6) HK1259408A1 (zh)
HU (2) HUE047987T2 (zh)
IL (3) IL256786B (zh)
SG (1) SG10202005260VA (zh)
TW (2) TWI693595B (zh)
UA (1) UA119808C2 (zh)
ZA (6) ZA201705978B (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI856342B (zh) 2015-03-13 2024-09-21 瑞典商杜比國際公司 音訊處理單元、用於將經編碼的音訊位元流解碼之方法以及非暫態電腦可讀媒體

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
RU2491658C2 (ru) * 2008-07-11 2013-08-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Синтезатор аудиосигнала и кодирующее устройство аудиосигнала
EP2491554B1 (en) * 2009-10-20 2014-03-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a region-dependent arithmetic coding mapping rule
JP5523589B2 (ja) * 2010-03-09 2014-06-18 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. カスケード式フィルタバンクを用いて入力オーディオ信号を処理するための装置および方法
US9093120B2 (en) * 2011-02-10 2015-07-28 Yahoo! Inc. Audio fingerprint extraction by scaling in time and resampling
EP2686849A1 (en) * 2011-03-18 2014-01-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Frame element length transmission in audio coding
JP6262668B2 (ja) * 2013-01-22 2018-01-17 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
KR101849612B1 (ko) * 2013-01-28 2018-04-18 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 새로운 미디어 장치 상에 내장된 라우드니스 메타데이터를 갖거나 또는 갖지 않고 미디어의 정규화된 오디오 재생을 위한 방법 및 장치
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
DK3268961T3 (da) 2020-02-10
ZA201805869B (en) 2019-11-27
SG10202005260VA (en) 2020-07-29
HK1259406A1 (zh) 2019-11-29
ZA201705978B (en) 2019-02-27
JP7210658B2 (ja) 2023-01-23
UA119808C2 (uk) 2019-08-12
TWI732403B (zh) 2021-07-01
JP6922017B2 (ja) 2021-08-18
ES2867477T3 (es) 2021-10-20
IL279327A (en) 2021-01-31
HK1259544A1 (zh) 2019-11-29
HK1259302A1 (zh) 2019-11-29
IL285643A (en) 2021-09-30
TWI693595B (zh) 2020-05-11
HK1259131A1 (zh) 2019-11-29
TW202042215A (zh) 2020-11-16
TW201941186A (zh) 2019-10-16
ZA201901691B (en) 2020-07-29
IL256786A (en) 2018-03-29
HK1259548A1 (zh) 2019-11-29
HUE053954T2 (hu) 2021-08-30
IL256786B (en) 2021-01-31
IL279327B (en) 2021-09-30
JP2020079963A (ja) 2020-05-28
DK3268956T3 (da) 2021-10-18
JP2021167981A (ja) 2021-10-21
ES2770029T3 (es) 2020-06-30
ZA201801941B (en) 2019-07-31
IL285643B (en) 2022-10-01
HUE047987T2 (hu) 2020-05-28
ZA201905506B (en) 2021-03-31
IL285643B2 (en) 2023-02-01
HK1259408A1 (zh) 2019-11-29

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