BR9804811A - Sistema de transmissÆo transmissor codificador de voz e processo de codifica-Æo de voz - Google Patents

Sistema de transmissÆo transmissor codificador de voz e processo de codifica-Æo de voz

Info

Publication number
BR9804811A
BR9804811A BR9804811A BR9804811A BR9804811A BR 9804811 A BR9804811 A BR 9804811A BR 9804811 A BR9804811 A BR 9804811A BR 9804811 A BR9804811 A BR 9804811A BR 9804811 A BR9804811 A BR 9804811A
Authority
BR
Brazil
Prior art keywords
voice encoding
transmission system
transmitter transmission
encoding process
voice
Prior art date
Application number
BR9804811A
Other languages
English (en)
Inventor
Rakesh Taori
Andreas Johannes Gerrits
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of BR9804811A publication Critical patent/BR9804811A/pt

Links

Classifications

    • 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
    • G10L19/04—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
    • 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
    • G10L19/04—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
BR9804811A 1997-04-07 1998-03-05 Sistema de transmissÆo transmissor codificador de voz e processo de codifica-Æo de voz BR9804811A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP97200998 1997-04-07
PCT/IB1998/000293 WO1998045833A1 (en) 1997-04-07 1998-03-05 Variable bitrate speech transmission system

Publications (1)

Publication Number Publication Date
BR9804811A true BR9804811A (pt) 1999-08-17

Family

ID=8228171

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9804811A BR9804811A (pt) 1997-04-07 1998-03-05 Sistema de transmissÆo transmissor codificador de voz e processo de codifica-Æo de voz

Country Status (9)

Country Link
US (1) US6012026A (pt)
EP (1) EP0922278B1 (pt)
JP (1) JP2000516356A (pt)
CN (1) CN1140894C (pt)
BR (1) BR9804811A (pt)
DE (1) DE69834093T2 (pt)
ES (1) ES2259453T3 (pt)
PL (1) PL193825B1 (pt)
WO (1) WO1998045833A1 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6330532B1 (en) * 1999-07-19 2001-12-11 Qualcomm Incorporated Method and apparatus for maintaining a target bit rate in a speech coder
US6581032B1 (en) * 1999-09-22 2003-06-17 Conexant Systems, Inc. Bitstream protocol for transmission of encoded voice signals
US6496798B1 (en) * 1999-09-30 2002-12-17 Motorola, Inc. Method and apparatus for encoding and decoding frames of voice model parameters into a low bit rate digital voice message
US7127390B1 (en) 2000-02-08 2006-10-24 Mindspeed Technologies, Inc. Rate determination coding
US6862298B1 (en) 2000-07-28 2005-03-01 Crystalvoice Communications, Inc. Adaptive jitter buffer for internet telephony
US6947888B1 (en) * 2000-10-17 2005-09-20 Qualcomm Incorporated Method and apparatus for high performance low bit-rate coding of unvoiced speech
US7313520B2 (en) * 2002-03-20 2007-12-25 The Directv Group, Inc. Adaptive variable bit rate audio compression encoding
US8090573B2 (en) * 2006-01-20 2012-01-03 Qualcomm Incorporated Selection of encoding modes and/or encoding rates for speech compression with open loop re-decision
US8032369B2 (en) * 2006-01-20 2011-10-04 Qualcomm Incorporated Arbitrary average data rates for variable rate coders
US8346544B2 (en) * 2006-01-20 2013-01-01 Qualcomm Incorporated Selection of encoding modes and/or encoding rates for speech compression with closed loop re-decision
US8326609B2 (en) * 2006-06-29 2012-12-04 Lg Electronics Inc. Method and apparatus for an audio signal processing
US20080103765A1 (en) * 2006-11-01 2008-05-01 Nokia Corporation Encoder Delay Adjustment
US8553757B2 (en) * 2007-02-14 2013-10-08 Microsoft Corporation Forward error correction for media transmission
TWI536824B (zh) * 2012-05-04 2016-06-01 奇揚網科股份有限公司 視訊編碼系統、方法以及電腦可讀取之媒體
US9263054B2 (en) * 2013-02-21 2016-02-16 Qualcomm Incorporated Systems and methods for controlling an average encoding rate for speech signal encoding

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379949A (en) * 1981-08-10 1983-04-12 Motorola, Inc. Method of and means for variable-rate coding of LPC parameters
NL9000338A (nl) * 1989-06-02 1991-01-02 Koninkl Philips Electronics Nv Digitaal transmissiesysteem, zender en ontvanger te gebruiken in het transmissiesysteem en registratiedrager verkregen met de zender in de vorm van een optekeninrichting.
DE69233794D1 (de) * 1991-06-11 2010-09-23 Qualcomm Inc Vocoder mit veränderlicher Bitrate
US5233660A (en) * 1991-09-10 1993-08-03 At&T Bell Laboratories Method and apparatus for low-delay celp speech coding and decoding
JPH07202820A (ja) * 1993-12-28 1995-08-04 Matsushita Electric Ind Co Ltd ビットレート制御システム
JPH08263099A (ja) * 1995-03-23 1996-10-11 Toshiba Corp 符号化装置

Also Published As

Publication number Publication date
PL330398A1 (en) 1999-05-10
DE69834093D1 (de) 2006-05-18
EP0922278A1 (en) 1999-06-16
DE69834093T2 (de) 2006-12-14
JP2000516356A (ja) 2000-12-05
US6012026A (en) 2000-01-04
CN1140894C (zh) 2004-03-03
EP0922278B1 (en) 2006-04-05
CN1222993A (zh) 1999-07-14
ES2259453T3 (es) 2006-10-01
WO1998045833A1 (en) 1998-10-15
PL193825B1 (pl) 2007-03-30

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFIRO O PEDIDO DE ACORDO COM BASE NO ART. 8OCOMBINADO COM O ART. 13O DA LPI

B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL.

B15K Others concerning applications: alteration of classification

Ipc: G10L 19/18 (2013.01), G10L 19/04 (2013.0