HK1041740B - 產生語音編碼器用八分之一速率隨機數的方法和裝置 - Google Patents

產生語音編碼器用八分之一速率隨機數的方法和裝置

Info

Publication number
HK1041740B
HK1041740B HK02103453.2A HK02103453A HK1041740B HK 1041740 B HK1041740 B HK 1041740B HK 02103453 A HK02103453 A HK 02103453A HK 1041740 B HK1041740 B HK 1041740B
Authority
HK
Hong Kong
Prior art keywords
random
values
variable
random number
rate
Prior art date
Application number
HK02103453.2A
Other languages
English (en)
Other versions
HK1041740A1 (en
Inventor
張承純
沈濤
Original Assignee
高通股份有限公司
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 高通股份有限公司 filed Critical 高通股份有限公司
Publication of HK1041740A1 publication Critical patent/HK1041740A1/xx
Publication of HK1041740B publication Critical patent/HK1041740B/zh

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
    • 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
    • G10L19/012—Comfort noise or silence coding
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Time-Division Multiplex Systems (AREA)
HK02103453.2A 1999-02-08 2002-05-07 產生語音編碼器用八分之一速率隨機數的方法和裝置 HK1041740B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/248,516 US6226607B1 (en) 1999-02-08 1999-02-08 Method and apparatus for eighth-rate random number generation for speech coders
PCT/US2000/002901 WO2000046796A1 (en) 1999-02-08 2000-02-04 Method and apparatus for eighth-rate random number generation for speech coders

Publications (2)

Publication Number Publication Date
HK1041740A1 HK1041740A1 (en) 2002-07-19
HK1041740B true HK1041740B (zh) 2004-12-31

Family

ID=22939494

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02103453.2A HK1041740B (zh) 1999-02-08 2002-05-07 產生語音編碼器用八分之一速率隨機數的方法和裝置

Country Status (11)

Country Link
US (2) US6226607B1 (zh)
EP (1) EP1159739B1 (zh)
JP (1) JP2002536694A (zh)
KR (1) KR20010093324A (zh)
CN (1) CN1144177C (zh)
AT (1) ATE309599T1 (zh)
AU (1) AU3589200A (zh)
DE (1) DE60023851T2 (zh)
ES (1) ES2255991T3 (zh)
HK (1) HK1041740B (zh)
WO (1) WO2000046796A1 (zh)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7161931B1 (en) * 1999-09-20 2007-01-09 Broadcom Corporation Voice and data exchange over a packet based network
US20070110042A1 (en) * 1999-12-09 2007-05-17 Henry Li Voice and data exchange over a packet based network
US6754624B2 (en) * 2001-02-13 2004-06-22 Qualcomm, Inc. Codebook re-ordering to reduce undesired packet generation
WO2002097796A1 (en) * 2001-05-28 2002-12-05 Intel Corporation Providing shorter uniform frame lengths in dynamic time warping for voice conversion
US7292550B2 (en) * 2003-03-27 2007-11-06 Kyocera Wireless Corp. System and method for minimizing voice packet loss during a wireless communications device candidate frequency search (CFS)
US7469209B2 (en) * 2003-08-14 2008-12-23 Dilithium Networks Pty Ltd. Method and apparatus for frame classification and rate determination in voice transcoders for telecommunications
US7613606B2 (en) * 2003-10-02 2009-11-03 Nokia Corporation Speech codecs
US7536298B2 (en) * 2004-03-15 2009-05-19 Intel Corporation Method of comfort noise generation for speech communication
EP1768106B8 (en) * 2004-07-23 2017-07-19 III Holdings 12, LLC Audio encoding device and audio encoding method
EP2246845A1 (en) * 2009-04-21 2010-11-03 Siemens Medical Instruments Pte. Ltd. Method and acoustic signal processing device for estimating linear predictive coding coefficients
KR101104985B1 (ko) * 2009-11-06 2012-01-16 양창근 난수 생성 방법 및 시스템
US20110191129A1 (en) * 2010-02-04 2011-08-04 Netzer Moriya Random Number Generator Generating Random Numbers According to an Arbitrary Probability Density Function
US9454653B1 (en) 2014-05-14 2016-09-27 Brian Penny Technologies for enhancing computer security
US12028333B2 (en) 2013-05-14 2024-07-02 Kara Partners Llc Systems and methods for variable-length encoding and decoding for enhancing computer systems
US10594687B2 (en) 2013-05-14 2020-03-17 Kara Partners Llc Technologies for enhancing computer security
US10057250B2 (en) 2013-05-14 2018-08-21 Kara Partners Llc Technologies for enhancing computer security
CN110619881B (zh) * 2019-09-20 2022-04-15 北京百瑞互联技术有限公司 一种语音编码方法、装置及设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5307441A (en) * 1989-11-29 1994-04-26 Comsat Corporation Wear-toll quality 4.8 kbps speech codec
BR9206143A (pt) * 1991-06-11 1995-01-03 Qualcomm Inc Processos de compressão de final vocal e para codificação de taxa variável de quadros de entrada, aparelho para comprimir im sinal acústico em dados de taxa variável, codificador de prognóstico exitado por córdigo de taxa variável (CELP) e descodificador para descodificar quadros codificados
TW271524B (zh) * 1994-08-05 1996-03-01 Qualcomm Inc
US5794199A (en) 1996-01-29 1998-08-11 Texas Instruments Incorporated Method and system for improved discontinuous speech transmission
JP3575967B2 (ja) 1996-12-02 2004-10-13 沖電気工業株式会社 音声通信システムおよび音声通信方法
US6041297A (en) * 1997-03-10 2000-03-21 At&T Corp Vocoder for coding speech by using a correlation between spectral magnitudes and candidate excitations

Also Published As

Publication number Publication date
HK1041740A1 (en) 2002-07-19
AU3589200A (en) 2000-08-25
DE60023851D1 (de) 2005-12-15
WO2000046796A1 (en) 2000-08-10
JP2002536694A (ja) 2002-10-29
EP1159739A1 (en) 2001-12-05
DE60023851T2 (de) 2006-08-10
US20010007974A1 (en) 2001-07-12
CN1144177C (zh) 2004-03-31
WO2000046796A9 (en) 2001-10-11
EP1159739B1 (en) 2005-11-09
ES2255991T3 (es) 2006-07-16
ATE309599T1 (de) 2005-11-15
US6226607B1 (en) 2001-05-01
CN1339151A (zh) 2002-03-06
KR20010093324A (ko) 2001-10-27

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20110204