AU2001281046A1 - Approximating the magntidue and phase of a complex number - Google Patents

Approximating the magntidue and phase of a complex number

Info

Publication number
AU2001281046A1
AU2001281046A1 AU2001281046A AU8104601A AU2001281046A1 AU 2001281046 A1 AU2001281046 A1 AU 2001281046A1 AU 2001281046 A AU2001281046 A AU 2001281046A AU 8104601 A AU8104601 A AU 8104601A AU 2001281046 A1 AU2001281046 A1 AU 2001281046A1
Authority
AU
Australia
Prior art keywords
magntidue
approximating
phase
complex number
complex
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU2001281046A
Other languages
English (en)
Inventor
Manjirnath Chatterjee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of AU2001281046A1 publication Critical patent/AU2001281046A1/en
Abandoned legal-status Critical Current

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
    • G10L15/00—Speech recognition
    • G10L15/02—Feature extraction for speech recognition; Selection of recognition unit

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Complex Calculations (AREA)
AU2001281046A 2000-08-02 2001-08-02 Approximating the magntidue and phase of a complex number Abandoned AU2001281046A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/630,885 US6567777B1 (en) 2000-08-02 2000-08-02 Efficient magnitude spectrum approximation
US09/630,885 2000-08-02
PCT/US2001/024425 WO2002011119A2 (fr) 2000-08-02 2001-08-02 Estimation efficace d'un spectre d'amplitude

Publications (1)

Publication Number Publication Date
AU2001281046A1 true AU2001281046A1 (en) 2002-02-13

Family

ID=24528957

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001281046A Abandoned AU2001281046A1 (en) 2000-08-02 2001-08-02 Approximating the magntidue and phase of a complex number

Country Status (3)

Country Link
US (1) US6567777B1 (fr)
AU (1) AU2001281046A1 (fr)
WO (1) WO2002011119A2 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6915224B2 (en) * 2002-10-25 2005-07-05 Jung-Ching Wu Method for optimum spectrum analysis
US20070198262A1 (en) * 2003-08-20 2007-08-23 Mindlin Bernardo G Topological voiceprints for speaker identification
US20050114134A1 (en) * 2003-11-26 2005-05-26 Microsoft Corporation Method and apparatus for continuous valued vocal tract resonance tracking using piecewise linear approximations
JP4451696B2 (ja) * 2004-03-30 2010-04-14 富士通株式会社 微細構造ファイバの非線形係数の波長依存性をキャンセルする装置
JP5352959B2 (ja) * 2007-03-16 2013-11-27 富士通株式会社 直接シーケンススペクトル拡散方式のレーダー、レーダーで使用される方法及びコンピュータプログラム
US8040979B2 (en) * 2008-03-18 2011-10-18 Infineon Technologies Ag Generating a phase value for a complex signal
TWI416345B (zh) * 2009-09-15 2013-11-21 Chii Ying Co Ltd Data representation of the correlation values ​​of the data set, computer program products and devices
WO2012037515A1 (fr) 2010-09-17 2012-03-22 Xiph. Org. Procédés et systèmes pour une résolution temps-fréquence adaptative dans un codage de données numériques
US8838442B2 (en) 2011-03-07 2014-09-16 Xiph.org Foundation Method and system for two-step spreading for tonal artifact avoidance in audio coding
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
US9015042B2 (en) 2011-03-07 2015-04-21 Xiph.org Foundation Methods and systems for avoiding partial collapse in multi-block audio coding
EP2533069A1 (fr) * 2011-06-10 2012-12-12 Sony Corporation Unité de traitement de signal et procédé
AU2015206631A1 (en) * 2014-01-14 2016-06-30 Interactive Intelligence Group, Inc. System and method for synthesis of speech from provided text
CN111105812A (zh) * 2019-12-31 2020-05-05 普联国际有限公司 一种音频特征提取方法、装置、训练方法及电子设备
US20220366004A1 (en) * 2021-05-12 2022-11-17 Texas Instruments Incorporated Linear approximation of a complex number magnitude

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2546011B1 (fr) 1983-05-09 1986-02-21 Vallet Robert Procede de demodulation non-coherente d'un signal module lineairement a energie par symbole constante et demodulateur pour la mise en oeuvre dudit procede
US4599701A (en) * 1983-10-19 1986-07-08 Grumman Aerospace Corporation Complex magnitude computation
DE3422828A1 (de) 1984-06-20 1986-01-02 Robert Bosch Gmbh, 7000 Stuttgart Datenempfaenger fuer aufgezeichnete daten
US4956865A (en) 1985-01-30 1990-09-11 Northern Telecom Limited Speech recognition
US4747067A (en) * 1986-10-14 1988-05-24 Raytheon Company Apparatus and method for approximating the magnitude of a complex number
DE3825160A1 (de) 1988-07-23 1990-01-25 Rohde & Schwarz Messgeraet fuer hochfrequenzsignale
US4945505A (en) * 1988-10-17 1990-07-31 Raytheon Company Cordic apparatus and method for approximating the magnitude and phase of a complex number
US5175617A (en) * 1991-12-04 1992-12-29 Vision Applications, Inc. Telephone line picture transmission
US5459681A (en) 1993-12-20 1995-10-17 Motorola, Inc. Special functions arithmetic logic unit method and apparatus
JP3266819B2 (ja) * 1996-07-30 2002-03-18 株式会社エイ・ティ・アール人間情報通信研究所 周期信号変換方法、音変換方法および信号分析方法
JP3522457B2 (ja) 1996-08-13 2004-04-26 株式会社鷹山 ベクトル絶対値演算回路
US5847979A (en) 1996-10-31 1998-12-08 Samsung Electronics Company, Ltd. Method and apparatus for generating an initial estimate for a floating point reciprocal of a square root
US6092039A (en) * 1997-10-31 2000-07-18 International Business Machines Corporation Symbiotic automatic speech recognition and vocoder

Also Published As

Publication number Publication date
US6567777B1 (en) 2003-05-20
WO2002011119A3 (fr) 2002-08-29
WO2002011119A2 (fr) 2002-02-07

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