IL285643B - 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
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
Hebrew (he)
Other versions
IL285643A (en
IL285643B2 (en
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/en
Publication of IL285643B publication Critical patent/IL285643B/en
Publication of IL285643B2 publication Critical patent/IL285643B2/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)
IL285643A 2015-03-13 2021-08-16 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element IL285643B2 (en)

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 (en) 2021-09-30
IL285643B true IL285643B (en) 2022-10-01
IL285643B2 IL285643B2 (en) 2023-02-01

Family

ID=66624667

Family Applications (3)

Application Number Title Priority Date Filing Date
IL256786A IL256786B (en) 2015-03-13 2018-01-08 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
IL279327A IL279327B (en) 2015-03-13 2020-12-09 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
IL285643A IL285643B2 (en) 2015-03-13 2021-08-16 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Family Applications Before (2)

Application Number Title Priority Date Filing Date
IL256786A IL256786B (en) 2015-03-13 2018-01-08 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
IL279327A IL279327B (en) 2015-03-13 2020-12-09 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Country Status (9)

Country Link
JP (2) JP6922017B2 (en)
DK (2) DK3268961T3 (en)
ES (2) ES2770029T3 (en)
HU (2) HUE053954T2 (en)
IL (3) IL256786B (en)
SG (1) SG10202005260VA (en)
TW (2) TWI693595B (en)
UA (1) UA119808C2 (en)
ZA (6) ZA201705971B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI879690B (en) * 2015-03-13 2025-04-01 瑞典商杜比國際公司 Audio processing unit, method for decoding an encoded audio bitstream, and non-transitory computer readable medium

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 Coding Device and Decoding Device
CA2730198C (en) * 2008-07-11 2014-09-16 Frederik Nagel Audio signal synthesizer and audio signal encoder
ES2531013T3 (en) * 2009-10-20 2015-03-10 Fraunhofer Ges Forschung Audio encoder, audio decoder, method for encoding audio information, method for decoding audio information and computer program that uses the detection of a group of previously decoded spectral values
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
SG194199A1 (en) * 2011-03-18 2013-12-30 Fraunhofer Ges Forschung Frame element positioning in frames of a bitstream representing audio content
JP6262668B2 (en) * 2013-01-22 2018-01-17 パナソニック株式会社 Bandwidth extension parameter generation device, encoding device, decoding device, bandwidth extension parameter generation method, encoding method, and decoding method
CA2898567C (en) * 2013-01-28 2018-09-18 Fraunhofer-Gesellschaft Zur Forderung 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 (en) * 2013-04-03 2016-04-21 杜比實驗室特許公司 Method and system for interactive imaging based on object audio

Also Published As

Publication number Publication date
TW201941186A (en) 2019-10-16
SG10202005260VA (en) 2020-07-29
JP2020079963A (en) 2020-05-28
IL256786B (en) 2021-01-31
ZA201905506B (en) 2021-03-31
IL256786A (en) 2018-03-29
ES2867477T3 (en) 2021-10-20
TWI693595B (en) 2020-05-11
TW202042215A (en) 2020-11-16
ZA201801941B (en) 2019-07-31
IL279327B (en) 2021-09-30
IL279327A (en) 2021-01-31
HK1259544A1 (en) 2019-11-29
HK1259408A1 (en) 2019-11-29
ZA201705978B (en) 2019-02-27
DK3268956T3 (en) 2021-10-18
ES2770029T3 (en) 2020-06-30
ZA201805869B (en) 2019-11-27
HK1259302A1 (en) 2019-11-29
JP6922017B2 (en) 2021-08-18
HK1259548A1 (en) 2019-11-29
HUE053954T2 (en) 2021-08-30
HUE047987T2 (en) 2020-05-28
IL285643A (en) 2021-09-30
HK1259406A1 (en) 2019-11-29
JP2021167981A (en) 2021-10-21
HK1259131A1 (en) 2019-11-29
ZA201705971B (en) 2019-01-30
ZA201901691B (en) 2020-07-29
TWI732403B (en) 2021-07-01
UA119808C2 (en) 2019-08-12
JP7210658B2 (en) 2023-01-23
DK3268961T3 (en) 2020-02-10
IL285643B2 (en) 2023-02-01

Similar Documents

Publication Publication Date Title
ZA202106847B (en) Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
IL285643B (en) Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
HK1243219A1 (en) Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element