ZA201901691B - 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
ZA201901691B
ZA201901691B ZA2019/01691A ZA201901691A ZA201901691B ZA 201901691 B ZA201901691 B ZA 201901691B ZA 2019/01691 A ZA2019/01691 A ZA 2019/01691A ZA 201901691 A ZA201901691 A ZA 201901691A ZA 201901691 B ZA201901691 B ZA 201901691B
Authority
ZA
South Africa
Prior art keywords
spectral band
decoding audio
band replication
fill element
enhanced spectral
Prior art date
Application number
ZA2019/01691A
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
Application filed by Dolby Int Ab filed Critical Dolby Int Ab
Publication of ZA201901691B publication Critical patent/ZA201901691B/en

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing of the speech or voice signal 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
ZA2019/01691A 2015-03-13 2019-03-19 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element ZA201901691B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15159067 2015-03-13
US201562133800P 2015-03-16 2015-03-16

Publications (1)

Publication Number Publication Date
ZA201901691B true ZA201901691B (en) 2020-07-29

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 (4)

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

Family Applications After (1)

Application Number Title Priority Date Filing Date
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) DK3268961T3 (en)
ES (2) ES2867477T3 (en)
HK (6) HK1259131A1 (en)
HU (2) HUE053954T2 (en)
IL (3) IL256786B (en)
SG (1) SG10202005260VA (en)
TW (2) TWI693595B (en)
UA (1) UA119808C2 (en)
ZA (6) ZA201705978B (en)

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
CN100395817C (en) * 2001-11-14 2008-06-18 松下电器产业株式会社 Encoding device and decoding device
CA2730198C (en) * 2008-07-11 2014-09-16 Frederik Nagel Audio signal synthesizer and audio signal encoder
CN102667921B (en) * 2009-10-20 2014-09-10 弗兰霍菲尔运输应用研究公司 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information
MX2012010415A (en) * 2010-03-09 2012-10-03 Fraunhofer Ges Forschung 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
EP2686848A1 (en) * 2011-03-18 2014-01-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Frame element positioning in frames of a bitstream representing audio content
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
CN105190750B (en) * 2013-01-28 2019-10-25 弗劳恩霍夫应用研究促进协会 The method of decoder apparatus and decoding bit stream
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
TW202042215A (en) 2020-11-16
DK3268956T3 (en) 2021-10-18
HK1259544A1 (en) 2019-11-29
ES2770029T3 (en) 2020-06-30
HK1259408A1 (en) 2019-11-29
JP6922017B2 (en) 2021-08-18
IL256786A (en) 2018-03-29
IL285643B2 (en) 2023-02-01
JP7210658B2 (en) 2023-01-23
ZA201801941B (en) 2019-07-31
IL279327B (en) 2021-09-30
HK1259548A1 (en) 2019-11-29
HUE053954T2 (en) 2021-08-30
SG10202005260VA (en) 2020-07-29
HK1259131A1 (en) 2019-11-29
ZA201905506B (en) 2021-03-31
TWI732403B (en) 2021-07-01
ZA201705978B (en) 2019-02-27
IL256786B (en) 2021-01-31
UA119808C2 (en) 2019-08-12
JP2020079963A (en) 2020-05-28
HUE047987T2 (en) 2020-05-28
IL285643A (en) 2021-09-30
IL285643B (en) 2022-10-01
IL279327A (en) 2021-01-31
ES2867477T3 (en) 2021-10-20
TWI693595B (en) 2020-05-11
TW201941186A (en) 2019-10-16
HK1259302A1 (en) 2019-11-29
HK1259406A1 (en) 2019-11-29
ZA201805869B (en) 2019-11-27
JP2021167981A (en) 2021-10-21
DK3268961T3 (en) 2020-02-10
ZA201705971B (en) 2019-01-30

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