ATE534991T1 - Kodierung eines audiosignals - Google Patents

Kodierung eines audiosignals

Info

Publication number
ATE534991T1
ATE534991T1 AT07826078T AT07826078T ATE534991T1 AT E534991 T1 ATE534991 T1 AT E534991T1 AT 07826078 T AT07826078 T AT 07826078T AT 07826078 T AT07826078 T AT 07826078T AT E534991 T1 ATE534991 T1 AT E534991T1
Authority
AT
Austria
Prior art keywords
different
audio signal
target signals
coding
data
Prior art date
Application number
AT07826078T
Other languages
English (en)
Inventor
Anssi Ramo
Lasse Laaksonen
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE534991T1 publication Critical patent/ATE534991T1/de

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
    • G10L19/18—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
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT07826078T 2006-09-01 2007-08-21 Kodierung eines audiosignals ATE534991T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/515,499 US20080059154A1 (en) 2006-09-01 2006-09-01 Encoding an audio signal
PCT/IB2007/053336 WO2008026128A2 (en) 2006-09-01 2007-08-21 Encoding an audio signal

Publications (1)

Publication Number Publication Date
ATE534991T1 true ATE534991T1 (de) 2011-12-15

Family

ID=39136342

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07826078T ATE534991T1 (de) 2006-09-01 2007-08-21 Kodierung eines audiosignals

Country Status (5)

Country Link
US (1) US20080059154A1 (de)
EP (1) EP2057626B1 (de)
AT (1) ATE534991T1 (de)
TW (1) TW200818124A (de)
WO (1) WO2008026128A2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2101322B1 (de) * 2006-12-15 2018-02-21 III Holdings 12, LLC Codierungseinrichtung, decodierungseinrichtung und verfahren dafür
CN101771417B (zh) * 2008-12-30 2012-04-18 华为技术有限公司 信号编码、解码方法及装置、系统
KR101280700B1 (ko) * 2009-02-27 2013-07-01 후지쯔 가부시끼가이샤 동화상 부호화 장치, 동화상 부호화 방법 및 동화상 부호화용 컴퓨터 프로그램
EP2237269B1 (de) * 2009-04-01 2013-02-20 Motorola Mobility LLC Vorrichtung und Verfahren zur Verarbeitung eines enkodierten Audiodatensignals
TWI484473B (zh) 2009-10-30 2015-05-11 Dolby Int Ab 用於從編碼位元串流擷取音訊訊號之節奏資訊、及估算音訊訊號之知覺顯著節奏的方法及系統
JP2011100029A (ja) * 2009-11-06 2011-05-19 Nec Corp 信号処理方法、情報処理装置、及び信号処理プログラム
CN105374364B (zh) * 2014-08-25 2019-08-27 联想(北京)有限公司 信号处理方法及电子设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7117146B2 (en) * 1998-08-24 2006-10-03 Mindspeed Technologies, Inc. System for improved use of pitch enhancement with subcodebooks
US6182031B1 (en) * 1998-09-15 2001-01-30 Intel Corp. Scalable audio coding system
US6446037B1 (en) * 1999-08-09 2002-09-03 Dolby Laboratories Licensing Corporation Scalable coding method for high quality audio
JP2001318694A (ja) * 2000-05-10 2001-11-16 Toshiba Corp 信号処理装置、信号処理方法および記録媒体
US7010480B2 (en) * 2000-09-15 2006-03-07 Mindspeed Technologies, Inc. Controlling a weighting filter based on the spectral content of a speech signal
JP4290917B2 (ja) * 2002-02-08 2009-07-08 株式会社エヌ・ティ・ティ・ドコモ 復号装置、符号化装置、復号方法、及び、符号化方法
JP3881943B2 (ja) * 2002-09-06 2007-02-14 松下電器産業株式会社 音響符号化装置及び音響符号化方法
JP4733939B2 (ja) * 2004-01-08 2011-07-27 パナソニック株式会社 信号復号化装置及び信号復号化方法
KR100738077B1 (ko) * 2005-09-28 2007-07-12 삼성전자주식회사 계층적 오디오 부호화 및 복호화 장치와 방법
US7835904B2 (en) * 2006-03-03 2010-11-16 Microsoft Corp. Perceptual, scalable audio compression
US8209190B2 (en) * 2007-10-25 2012-06-26 Motorola Mobility, Inc. Method and apparatus for generating an enhancement layer within an audio coding system

Also Published As

Publication number Publication date
EP2057626B1 (de) 2011-11-23
WO2008026128A2 (en) 2008-03-06
WO2008026128A3 (en) 2008-06-19
TW200818124A (en) 2008-04-16
EP2057626A2 (de) 2009-05-13
US20080059154A1 (en) 2008-03-06

Similar Documents

Publication Publication Date Title
ATE534991T1 (de) Kodierung eines audiosignals
ATE499677T1 (de) Kodierung und dekodierung von audio-objekten
ATE470930T1 (de) Skalierbare mehrkanal-audiokodierung
AR080842A1 (es) Codificador de audio, decodificador de audio y metodos relacionados para el procesamiento de senales de audio multicanal utilizando prediccion compleja
TW200943792A (en) Channel decoding-based error detection
ATE533148T1 (de) Eingebettete sprachpausen- und hintergrundrauschenkompression
BRPI0802614A2 (pt) métodos e aparelhos para codificação e decodificação de sinais de áudio baseados em objeto
CL2012001493A1 (es) Un metodo para decodificar una trama de una señal de audio digital codificada.
WO2011013983A3 (en) A method and an apparatus for processing an audio signal
MY178697A (en) Encoder, decoder and methods for signal-dependent zoom-transform in spatial audio object coding
MX2009005159A (es) Un metodo y un aparato para descodificar una señal de audio.
WO2014009878A3 (en) Encoding and decoding of audio signals
WO2008022176A3 (en) Packet loss concealment for sub-band predictive coding based on extrapolation of full-band audio waveform
ATE486348T1 (de) Verbesserung der qualität von dekodierten audio mittels hinzufügen von geräusch
MX2015001676A (es) Codificador, decodificador, sistema y metodo que emplean un concepto residual para codificar objetos de audio parametricos.
MX356036B (es) Decodificador de audio y método para proveer una información de audio decodificada usando un ocultamiento de error que modifica una señal de excitación de dominio de tiempo.
BRPI0709450A8 (pt) codificação de sinal de informação
GB0710211D0 (en) AMR Spectrography
EP3712888A3 (de) Verfahren und vorrichtungen zur codierung und decodierung von multiobjektaudiosignal mit multikanal
MY204542A (en) Decoding of audio scenes
EP4365894A3 (de) Mehrkanalsignalcodierungsverfahren, mehrkanalsignaldecodierungsverfahren, codierer und decodierer
ATE292318T1 (de) Skalierbarer codierer und decodierer für einen skalierten datenstrom
TW200745946A (en) Dynamically generating a voice navigable menu for synthesized data
DK1706866T3 (da) Audiokodning på basis af blokgruppering
WO2009011558A3 (en) Method and apparatus for coding and decoding using bit-precision