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
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 (en)
DK (2) DK3268956T3 (en)
ES (2) ES2867477T3 (en)
HK (6) HK1259302A1 (en)
HU (2) HUE047987T2 (en)
IL (3) IL256786B (en)
SG (1) SG10202005260VA (en)
TW (2) TWI693595B (en)
UA (1) UA119808C2 (en)
ZA (6) ZA201705978B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI758146B (en) 2015-03-13 2022-03-11 瑞典商杜比國際公司 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Family Cites Families (10)

* Cited by examiner, † Cited by third party
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SE512719C2 (en) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd A method and apparatus for reducing data flow based on harmonic bandwidth expansion
EP1701340B1 (en) * 2001-11-14 2012-08-29 Panasonic Corporation Decoding device, method and program
CN102089816B (en) * 2008-07-11 2013-01-30 弗朗霍夫应用科学研究促进协会 Audio signal synthesizer and audio signal encoder
WO2011048099A1 (en) * 2009-10-20 2011-04-28 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
EP2545548A1 (en) * 2010-03-09 2013-01-16 Fraunhofer-Gesellschaft zur Förderung 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
MX2013010537A (en) * 2011-03-18 2014-03-21 Koninkl Philips Nv Audio encoder and decoder having a flexible configuration functionality.
CN104584124B (en) * 2013-01-22 2019-04-16 松下电器产业株式会社 Code device, decoding apparatus, coding method and coding/decoding method
RU2639663C2 (en) * 2013-01-28 2017-12-21 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Method and device for normalized playing audio mediadata with embedded volume metadata and without them 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
DK3268956T3 (en) 2021-10-18
JP2021167981A (en) 2021-10-21
ZA201805869B (en) 2019-11-27
JP6922017B2 (en) 2021-08-18
ZA201801941B (en) 2019-07-31
HK1259302A1 (en) 2019-11-29
TW201941186A (en) 2019-10-16
ZA201901691B (en) 2020-07-29
IL285643B (en) 2022-10-01
SG10202005260VA (en) 2020-07-29
JP2020079963A (en) 2020-05-28
TWI693595B (en) 2020-05-11
IL285643B2 (en) 2023-02-01
IL256786A (en) 2018-03-29
TWI732403B (en) 2021-07-01
HK1259406A1 (en) 2019-11-29
ES2867477T3 (en) 2021-10-20
ZA201905506B (en) 2021-03-31
IL279327B (en) 2021-09-30
TW202042215A (en) 2020-11-16
HK1259548A1 (en) 2019-11-29
HUE053954T2 (en) 2021-08-30
IL279327A (en) 2021-01-31
DK3268961T3 (en) 2020-02-10
HK1259131A1 (en) 2019-11-29
IL256786B (en) 2021-01-31
IL285643A (en) 2021-09-30
HK1259408A1 (en) 2019-11-29
HK1259544A1 (en) 2019-11-29
ZA201705978B (en) 2019-02-27
ES2770029T3 (en) 2020-06-30
HUE047987T2 (en) 2020-05-28
UA119808C2 (en) 2019-08-12
JP7210658B2 (en) 2023-01-23

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