PT3555885T - Métodos, codificador e descodificador para processar coeficientes de representação de envelope - Google Patents

Métodos, codificador e descodificador para processar coeficientes de representação de envelope

Info

Publication number
PT3555885T
PT3555885T PT178168118T PT17816811T PT3555885T PT 3555885 T PT3555885 T PT 3555885T PT 178168118 T PT178168118 T PT 178168118T PT 17816811 T PT17816811 T PT 17816811T PT 3555885 T PT3555885 T PT 3555885T
Authority
PT
Portugal
Prior art keywords
decoder
encoder
methods
envelope representation
representation coefficients
Prior art date
Application number
PT178168118T
Other languages
English (en)
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of PT3555885T publication Critical patent/PT3555885T/pt

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
    • G10L19/02—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
    • G10L19/0212—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 using orthogonal transformation
    • 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
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0002—Codebook adaptations

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
PT178168118T 2016-12-16 2017-12-15 Métodos, codificador e descodificador para processar coeficientes de representação de envelope PT3555885T (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662435173P 2016-12-16 2016-12-16
US201762583791P 2017-11-09 2017-11-09

Publications (1)

Publication Number Publication Date
PT3555885T true PT3555885T (pt) 2020-07-20

Family

ID=60702783

Family Applications (1)

Application Number Title Priority Date Filing Date
PT178168118T PT3555885T (pt) 2016-12-16 2017-12-15 Métodos, codificador e descodificador para processar coeficientes de representação de envelope

Country Status (8)

Country Link
US (4) US10580422B2 (pt)
EP (3) EP4607513A1 (pt)
CN (2) CN116343804A (pt)
ES (2) ES3047123T3 (pt)
MX (1) MX2019006535A (pt)
PL (1) PL3555885T3 (pt)
PT (1) PT3555885T (pt)
WO (1) WO2018109143A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10950251B2 (en) * 2018-03-05 2021-03-16 Dts, Inc. Coding of harmonic signals in transform-based audio codecs
US12073842B2 (en) * 2019-06-24 2024-08-27 Qualcomm Incorporated Psychoacoustic audio coding of ambisonic audio data
CN112735449B (zh) * 2020-12-30 2023-04-14 北京百瑞互联技术有限公司 优化频域噪声整形的音频编码方法及装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4912764A (en) * 1985-08-28 1990-03-27 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech coder with different excitation types
DE60303689T2 (de) * 2002-09-19 2006-10-19 Matsushita Electric Industrial Co., Ltd., Kadoma Audiodecodierungsvorrichtung und -verfahren
KR100487719B1 (ko) 2003-03-05 2005-05-04 한국전자통신연구원 광대역 음성 부호화를 위한 엘에스에프 계수 벡터 양자화기
ATE378676T1 (de) * 2004-06-08 2007-11-15 Koninkl Philips Electronics Nv Audiokodierung
US20060136202A1 (en) * 2004-12-16 2006-06-22 Texas Instruments, Inc. Quantization of excitation vector
UA95776C2 (ru) * 2005-04-01 2011-09-12 Квелкомм Инкорпорейтед Система, способ и устройство генерирования возбуждения в диапазоне высоких частот
RU2386179C2 (ru) 2005-04-01 2010-04-10 Квэлкомм Инкорпорейтед Способ и устройство для кодирования речевых сигналов с расщеплением полосы
WO2009056027A1 (en) * 2007-11-02 2009-05-07 Huawei Technologies Co., Ltd. An audio decoding method and device
CN101925953B (zh) * 2008-01-25 2012-06-20 松下电器产业株式会社 编码装置、解码装置以及其方法
CN101588182A (zh) * 2008-05-19 2009-11-25 华为技术有限公司 矢量规整的方法及装置和矢量规整的解码方法及装置
EP2357649B1 (en) * 2010-01-21 2012-12-19 Electronics and Telecommunications Research Institute Method and apparatus for decoding audio signal
CN102222505B (zh) 2010-04-13 2012-12-19 中兴通讯股份有限公司 可分层音频编解码方法系统及瞬态信号可分层编解码方法
US9009036B2 (en) * 2011-03-07 2015-04-14 Xiph.org Foundation Methods and systems for bit allocation and partitioning in gain-shape vector quantization for audio coding
JP2014513813A (ja) * 2011-04-15 2014-06-05 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 適応的な利得−シェイプのレート共用
NO2669468T3 (pt) * 2011-05-11 2018-06-02
KR102202260B1 (ko) * 2014-02-27 2021-01-12 텔레폰악티에볼라겟엘엠에릭슨(펍) 오디오/비디오 샘플 벡터의 피라미드 벡터 양자화 인덱싱 및 디인덱싱을 위한 방법 및 장치
ES2995635T3 (en) * 2014-03-14 2025-02-10 Ericsson Telefon Ab L M Audio coding method and apparatus
US10991376B2 (en) * 2016-12-16 2021-04-27 Telefonaktiebolaget Lm Ericsson (Publ) Methods, encoder and decoder for handling line spectral frequency coefficients
US12073842B2 (en) * 2019-06-24 2024-08-27 Qualcomm Incorporated Psychoacoustic audio coding of ambisonic audio data
US11361776B2 (en) * 2019-06-24 2022-06-14 Qualcomm Incorporated Coding scaled spatial components

Also Published As

Publication number Publication date
US10580422B2 (en) 2020-03-03
EP4607513A1 (en) 2025-08-27
BR112019008054A2 (pt) 2019-07-02
EP3555885B1 (en) 2020-06-24
US11430455B2 (en) 2022-08-30
MX2019006535A (es) 2019-08-21
EP3723087A1 (en) 2020-10-14
EP3723087B1 (en) 2025-08-13
ES3047123T3 (en) 2025-12-03
EP3723087C0 (en) 2025-08-13
US11990145B2 (en) 2024-05-21
PL3555885T3 (pl) 2021-01-11
US20190362730A1 (en) 2019-11-28
US20200176005A1 (en) 2020-06-04
US20240395268A1 (en) 2024-11-28
ES2821141T3 (es) 2021-04-23
EP3555885A1 (en) 2019-10-23
CN116343804A (zh) 2023-06-27
WO2018109143A1 (en) 2018-06-21
CN110050304B (zh) 2022-11-29
CN110050304A (zh) 2019-07-23
US20230072546A1 (en) 2023-03-09

Similar Documents

Publication Publication Date Title
GB2523348B (en) Encoder, decoder and method
GB2527607B (en) Encoder, decoder and method
EP3371890A4 (en) Signature-enabled polar encoder and decoder
GB2533109B (en) Encoder, decoder and method for data
EP3304330A4 (en) Content segmentation and time reconciliation
GB2528959C (en) Encoder, decoder and methods
GB2523347B (en) Encoder, decoder and method
EP3361393A4 (en) Encoding method and device
EP3300366A4 (en) Encoding device, decoding device, and encoding method and decoding method thereof
GB2527588B (en) Encoder and decoder
GB2525448B (en) Encoder and decoder
GB2528460B (en) Encoder, decoder and method
EP3306930A4 (en) Encoding device, decoding device, and encoding and decoding method thereof
EP3189178A4 (en) Porous nanocomposite and related method
GB201303661D0 (en) Encoder, decoder and method
LT3326928T (lt) Pakuotė, skirta pakuoti naudojant modifikuotą dujinę terpę ir pakavimo būdas
EP3128513A4 (en) Encoder, decoder, encoding method, decoding method, and program
EP3179476A4 (en) Coding device and method, decoding device and method, and program
GB2542127B (en) Processing digital content
PL3555885T3 (pl) Sposób i koder do obsługi współczynników reprezentacji obwiedni
GB201520869D0 (en) Membrane stack and method for making the same
GB201510127D0 (en) Encoders, decoders and methods
EP3242406A4 (en) Fec decoding apparatus and method
GB201802249D0 (en) Method
EP3276960A4 (en) Encoding device and encoding method