SG10202005260VA - 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
SG10202005260VA
SG10202005260VA SG10202005260VA SG10202005260VA SG10202005260VA SG 10202005260V A SG10202005260V A SG 10202005260VA SG 10202005260V A SG10202005260V A SG 10202005260VA SG 10202005260V A SG10202005260V A SG 10202005260VA SG 10202005260V A SG10202005260V A SG 10202005260VA
Authority
SG
Singapore
Prior art keywords
spectral band
decoding audio
band replication
fill element
enhanced spectral
Prior art date
Application number
SG10202005260VA
Other languages
English (en)
Inventor
Lars Villemoes
Heiko Purnhagen
Per Ekstrand
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 SG10202005260VA publication Critical patent/SG10202005260VA/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L19/04—Speech 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
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L19/02—Speech 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/035—Scalar quantisation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L19/04—Speech 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
    • G10L19/16—Vocoder architecture
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L19/04—Speech 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech 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
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech 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)
SG10202005260VA 2015-03-13 2016-03-10 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element SG10202005260VA (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
SG10202005260VA true SG10202005260VA (en) 2020-07-29

Family

ID=66624667

Family Applications (1)

Application Number Title Priority Date Filing Date
SG10202005260VA SG10202005260VA (en) 2015-03-13 2016-03-10 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) HK1259548A1 (zh)
HU (2) HUE053954T2 (zh)
IL (3) IL256786B (zh)
SG (1) SG10202005260VA (zh)
TW (2) TWI732403B (zh)
UA (1) UA119808C2 (zh)
ZA (6) ZA201705971B (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW202242853A (zh) 2015-03-13 2022-11-01 瑞典商杜比國際公司 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流

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
CN100395817C (zh) * 2001-11-14 2008-06-18 松下电器产业株式会社 编码设备、解码设备和解码方法
ES2796552T3 (es) * 2008-07-11 2020-11-27 Fraunhofer Ges Forschung Sintetizador de señales de audio y codificador de señales de audio
CN102667923B (zh) * 2009-10-20 2014-11-05 弗兰霍菲尔运输应用研究公司 音频编码器、音频解码器、用于将音频信息编码的方法、用于将音频信息解码的方法
ES2935637T3 (es) * 2010-03-09 2023-03-08 Fraunhofer Ges Forschung Reconstrucción de alta frecuencia de una señal de audio de entrada usando bancos de filtros en cascada
US9093120B2 (en) * 2011-02-10 2015-07-28 Yahoo! Inc. Audio fingerprint extraction by scaling in time and resampling
AR085445A1 (es) * 2011-03-18 2013-10-02 Fraunhofer Ges Forschung Codificador y decodificador que tiene funcionalidad de configuracion flexible
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
JP6445460B2 (ja) * 2013-01-28 2018-12-26 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ 新しいメディア装置に関する埋め込み音量メタデータを有する、および、有しないメディアの正規化音声再生のための方法と装置
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
TW201941186A (zh) 2019-10-16
UA119808C2 (uk) 2019-08-12
ES2867477T3 (es) 2021-10-20
ZA201705978B (en) 2019-02-27
JP2020079963A (ja) 2020-05-28
HK1259548A1 (zh) 2019-11-29
HUE053954T2 (hu) 2021-08-30
ZA201801941B (en) 2019-07-31
ZA201905506B (en) 2021-03-31
HUE047987T2 (hu) 2020-05-28
HK1259408A1 (zh) 2019-11-29
JP6922017B2 (ja) 2021-08-18
JP7210658B2 (ja) 2023-01-23
DK3268956T3 (da) 2021-10-18
ES2770029T3 (es) 2020-06-30
ZA201901691B (en) 2020-07-29
IL285643A (en) 2021-09-30
IL256786A (en) 2018-03-29
HK1259302A1 (zh) 2019-11-29
IL256786B (en) 2021-01-31
IL279327A (en) 2021-01-31
TWI732403B (zh) 2021-07-01
HK1259131A1 (zh) 2019-11-29
TWI693595B (zh) 2020-05-11
JP2021167981A (ja) 2021-10-21
IL285643B (en) 2022-10-01
IL285643B2 (en) 2023-02-01
HK1259406A1 (zh) 2019-11-29
IL279327B (en) 2021-09-30
HK1259544A1 (zh) 2019-11-29
ZA201705971B (en) 2019-01-30
ZA201805869B (en) 2019-11-27
TW202042215A (zh) 2020-11-16
DK3268961T3 (da) 2020-02-10

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