ATE540479T1 - Audio-quantifizierung - Google Patents

Audio-quantifizierung

Info

Publication number
ATE540479T1
ATE540479T1 AT08701373T AT08701373T ATE540479T1 AT E540479 T1 ATE540479 T1 AT E540479T1 AT 08701373 T AT08701373 T AT 08701373T AT 08701373 T AT08701373 T AT 08701373T AT E540479 T1 ATE540479 T1 AT E540479T1
Authority
AT
Austria
Prior art keywords
audio signal
predictive quantization
signal segment
predictive
quantification
Prior art date
Application number
AT08701373T
Other languages
English (en)
Inventor
Anssi Ramo
Lasse Laaksonen
Adriana Vasilache
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 ATE540479T1 publication Critical patent/ATE540479T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
AT08701373T 2007-01-30 2008-01-10 Audio-quantifizierung ATE540479T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/700,732 US7813922B2 (en) 2007-01-30 2007-01-30 Audio quantization
PCT/EP2008/050217 WO2008092719A1 (en) 2007-01-30 2008-01-10 Audio quantization

Publications (1)

Publication Number Publication Date
ATE540479T1 true ATE540479T1 (de) 2012-01-15

Family

ID=39469436

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08701373T ATE540479T1 (de) 2007-01-30 2008-01-10 Audio-quantifizierung

Country Status (11)

Country Link
US (1) US7813922B2 (de)
EP (1) EP2127088B1 (de)
JP (1) JP2010517065A (de)
KR (1) KR101100280B1 (de)
CN (1) CN101611550B (de)
AT (1) ATE540479T1 (de)
CA (1) CA2673745C (de)
HK (1) HK1135523A1 (de)
MX (1) MX2009007383A (de)
UA (1) UA98952C2 (de)
WO (1) WO2008092719A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8266251B2 (en) * 2007-07-30 2012-09-11 Nec Corporation Communication terminal, distribution system, method for conversion and program
US8977544B2 (en) 2011-04-21 2015-03-10 Samsung Electronics Co., Ltd. Method of quantizing linear predictive coding coefficients, sound encoding method, method of de-quantizing linear predictive coding coefficients, sound decoding method, and recording medium and electronic device therefor
CN105336337B (zh) 2011-04-21 2019-06-25 三星电子株式会社 针对语音信号或音频信号的量化方法以及解码方法和设备
CN104756187B (zh) * 2012-10-30 2018-04-27 诺基亚技术有限公司 用于能复原的矢量量化的方法和装置
PL3859734T3 (pl) * 2014-05-01 2022-04-11 Nippon Telegraph And Telephone Corporation Urządzenie dekodujące sygnał dźwiękowy, sposób dekodowania sygnału dźwiękowego, program i nośnik rejestrujący
WO2016030568A1 (en) 2014-08-28 2016-03-03 Nokia Technologies Oy Audio parameter quantization
CN106126162B (zh) * 2016-06-16 2019-07-19 Oppo广东移动通信有限公司 一种防止音效突变的方法及终端

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07109990B2 (ja) 1989-04-27 1995-11-22 日本ビクター株式会社 適応型フレーム間予測符号化方法及び復号方法
US6691092B1 (en) 1999-04-05 2004-02-10 Hughes Electronics Corporation Voicing measure as an estimate of signal periodicity for a frequency domain interpolative speech codec system
US6438518B1 (en) 1999-10-28 2002-08-20 Qualcomm Incorporated Method and apparatus for using coding scheme selection patterns in a predictive speech coder to reduce sensitivity to frame error conditions
US6671669B1 (en) * 2000-07-18 2003-12-30 Qualcomm Incorporated combined engine system and method for voice recognition
US7003454B2 (en) * 2001-05-16 2006-02-21 Nokia Corporation Method and system for line spectral frequency vector quantization in speech codec
US7523032B2 (en) * 2003-12-19 2009-04-21 Nokia Corporation Speech coding method, device, coding module, system and software program product for pre-processing the phase structure of a to be encoded speech signal to match the phase structure of the decoded signal
FI118835B (fi) * 2004-02-23 2008-03-31 Nokia Corp Koodausmallin valinta
US7587314B2 (en) * 2005-08-29 2009-09-08 Nokia Corporation Single-codebook vector quantization for multiple-rate applications

Also Published As

Publication number Publication date
CN101611550A (zh) 2009-12-23
EP2127088A1 (de) 2009-12-02
WO2008092719A1 (en) 2008-08-07
US20080180307A1 (en) 2008-07-31
EP2127088B1 (de) 2012-01-04
KR20090101932A (ko) 2009-09-29
UA98952C2 (en) 2012-07-10
CA2673745A1 (en) 2008-08-07
JP2010517065A (ja) 2010-05-20
CN101611550B (zh) 2016-05-04
HK1135523A1 (zh) 2010-06-04
US7813922B2 (en) 2010-10-12
KR101100280B1 (ko) 2011-12-28
CA2673745C (en) 2010-11-23
MX2009007383A (es) 2009-08-13

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