HUP9800843A2 - Zajelnyomó eljárás és berendezés, beszédkódoló - Google Patents

Zajelnyomó eljárás és berendezés, beszédkódoló

Info

Publication number
HUP9800843A2
HUP9800843A2 HU9800843A HUP9800843A HUP9800843A2 HU P9800843 A2 HUP9800843 A2 HU P9800843A2 HU 9800843 A HU9800843 A HU 9800843A HU P9800843 A HUP9800843 A HU P9800843A HU P9800843 A2 HUP9800843 A2 HU P9800843A2
Authority
HU
Hungary
Prior art keywords
noise
energy
transmission
value
channel energy
Prior art date
Application number
HU9800843A
Other languages
English (en)
Inventor
James P. Ashley
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 HUP9800843A2 publication Critical patent/HUP9800843A2/hu
Publication of HUP9800843A3 publication Critical patent/HUP9800843A3/hu
Publication of HU219255B publication Critical patent/HU219255B/hu

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • 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
    • G10L21/0208—Noise filtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

A találmány eljárás távközlő rendszerben zajelnyőmásra, amely távközlőrendszerben infőrmációt keretekbe rendezve, zajős csatőrnákbantővábbítjűk, amely csatőrnák zajának mértékét megállapítjűk úgy, hőgymegállapítjűk az infőrmáció keret átvitele alatt mérhető csatőrna-energiát (Ech), az infőrmáció keret átvitele alatt mérhető csatőrna-energiának (Ech) megállapítőtt értéke alapján megállapítűnk egyösszcsatőrna-energia értéket (Etőt), az infőrmáció keret átvitelealatt mérhető csatőrna-energiának (Ech) megállapítőtt értéke alapjánmegállapítűnk egy spektrális csatőrna-energia előszlást (EdB), ajelenlegi infőrmáció keret átvitele alatt mért csatőrna-energiának(Ech) megállapítőtt értékétől függő mennyiségű kőrábbi infőrmációkeret átvitelére vőnatkőzó spektrális csatőrna-energia átlagőt (EdB)állapítűnk meg, meghatárőzzűk a spektrális energia-eltérést (DE) ajelenleg átvitt és a kőrábbi számős infőrmáció keret átvitelérevőnatkőzó spektrális energia átlag között és a spektrális energiaeltérés (DE) és az összcsatőrna-energia (Ftőt) érték ismeretébenkőrrigáljűk a csatőrna becsült zajértékét.A találmány tővábbá beszédkódőló az eljárás főganatősításával távközlőrendszerben zajelnyőmőtt beszéd-minták ill. beszéd kódőlására, amelytávközlő rendszerben beszédet infőrmáció keretekbe rendezve, zajőscsatőrnákban tővábbítanak, amely beszéd kódőlónak (100) a pillanatnyibeszéd-minta keretben zajt a pillanatnyi beszéd-minta keret csatőrna-energiája (Ech) és spektrális csatőrna-energia átlag (EdB) közöttispektrális energia-eltérés (DE) alapján elnyőmó, zajelnyőmó rendszermődűlja (109) s elnyőmőtt zajú beszéd-minta kódőlója (102) van.ŕ
HU9800843A 1995-11-13 1996-09-04 Method and apparatus for suppressing noise, speech coder HU219255B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/556,358 US5659622A (en) 1995-11-13 1995-11-13 Method and apparatus for suppressing noise in a communication system
PCT/US1996/014270 WO1997018647A1 (en) 1995-11-13 1996-09-04 Method and apparatus for suppressing noise in a communication system

Publications (3)

Publication Number Publication Date
HUP9800843A2 true HUP9800843A2 (hu) 1998-07-28
HUP9800843A3 HUP9800843A3 (en) 1999-03-29
HU219255B HU219255B (en) 2001-03-28

Family

ID=24221022

Family Applications (1)

Application Number Title Priority Date Filing Date
HU9800843A HU219255B (en) 1995-11-13 1996-09-04 Method and apparatus for suppressing noise, speech coder

Country Status (17)

Country Link
US (1) US5659622A (hu)
JP (1) JP3842821B2 (hu)
KR (1) KR100286719B1 (hu)
CN (1) CN1075692C (hu)
AU (1) AU689403B2 (hu)
BR (1) BR9607249A (hu)
CA (1) CA2203917C (hu)
DE (1) DE19681070C2 (hu)
FI (1) FI115582B (hu)
FR (1) FR2741217B1 (hu)
GB (1) GB2313266B (hu)
HK (1) HK1005112A1 (hu)
HU (1) HU219255B (hu)
IL (1) IL119226A (hu)
RU (1) RU2169992C2 (hu)
SE (1) SE521679C2 (hu)
WO (1) WO1997018647A1 (hu)

Families Citing this family (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN184794B (hu) * 1993-09-14 2000-09-30 British Telecomm
SE505156C2 (sv) * 1995-01-30 1997-07-07 Ericsson Telefon Ab L M Förfarande för bullerundertryckning genom spektral subtraktion
FI100840B (fi) * 1995-12-12 1998-02-27 Nokia Mobile Phones Ltd Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin
US5881091A (en) * 1996-02-05 1999-03-09 Hewlett-Packard Company Spread spectrum linearization for digitizing receivers
JPH09326844A (ja) * 1996-06-03 1997-12-16 Mitsubishi Electric Corp 騒音低減通話装置及び騒音低減通話方法
KR100250561B1 (ko) 1996-08-29 2000-04-01 니시무로 타이죠 잡음소거기 및 이 잡음소거기를 사용한 통신장치
US5937377A (en) * 1997-02-19 1999-08-10 Sony Corporation Method and apparatus for utilizing noise reducer to implement voice gain control and equalization
US6104993A (en) * 1997-02-26 2000-08-15 Motorola, Inc. Apparatus and method for rate determination in a communication system
JPH10247098A (ja) * 1997-03-04 1998-09-14 Mitsubishi Electric Corp 可変レート音声符号化方法、可変レート音声復号化方法
US5893056A (en) * 1997-04-17 1999-04-06 Northern Telecom Limited Methods and apparatus for generating noise signals from speech signals
FR2765715B1 (fr) * 1997-07-04 1999-09-17 Sextant Avionique Procede de recherche d'un modele de bruit dans des signaux sonores bruites
KR19990020369A (ko) * 1997-08-30 1999-03-25 윤종용 무선 사설교환시스템에서 노이즈 제거 방법
FR2768544B1 (fr) 1997-09-18 1999-11-19 Matra Communication Procede de detection d'activite vocale
TW333610B (en) * 1997-10-16 1998-06-11 Winbond Electronics Corp The phonetic detecting apparatus and its detecting method
DE19747885B4 (de) * 1997-10-30 2009-04-23 Harman Becker Automotive Systems Gmbh Verfahren zur Reduktion von Störungen akustischer Signale mittels der adaptiven Filter-Methode der spektralen Subtraktion
US6070137A (en) * 1998-01-07 2000-05-30 Ericsson Inc. Integrated frequency-domain voice coding using an adaptive spectral enhancement filter
JP3425423B2 (ja) * 1998-02-17 2003-07-14 モトローラ・インコーポレイテッド 固定コードブックにおける最適のベクトルの高速決定のための方法および装置
US6415253B1 (en) * 1998-02-20 2002-07-02 Meta-C Corporation Method and apparatus for enhancing noise-corrupted speech
US6073152A (en) * 1998-04-03 2000-06-06 Sarnoff Corporation Method and apparatus for filtering signals using a gamma delay line based estimation of power spectrum
US6088668A (en) 1998-06-22 2000-07-11 D.S.P.C. Technologies Ltd. Noise suppressor having weighted gain smoothing
US6122610A (en) * 1998-09-23 2000-09-19 Verance Corporation Noise suppression for low bitrate speech coder
KR100281181B1 (ko) * 1998-10-16 2001-02-01 윤종용 약전계에서 코드 분할 다중 접속 시스템의 코덱 잡음 제거 방법
US6424938B1 (en) * 1998-11-23 2002-07-23 Telefonaktiebolaget L M Ericsson Complex signal activity detection for improved speech/noise classification of an audio signal
TWM253017U (en) 1999-02-03 2004-12-11 Matsushita Electric Ind Co Ltd Emergency reporting apparatus emergency reporting network system
US6453291B1 (en) * 1999-02-04 2002-09-17 Motorola, Inc. Apparatus and method for voice activity detection in a communication system
US6618701B2 (en) 1999-04-19 2003-09-09 Motorola, Inc. Method and system for noise suppression using external voice activity detection
DE19920819C1 (de) * 1999-05-06 2000-10-26 Bosch Gmbh Robert Verfahren und Vorrichtung zur Schätzung von gedächtnisbehafteten Übertragungskanälen
GB9912577D0 (en) * 1999-05-28 1999-07-28 Mitel Corp Method of detecting silence in a packetized voice stream
US6633841B1 (en) * 1999-07-29 2003-10-14 Mindspeed Technologies, Inc. Voice activity detection speech coding to accommodate music signals
EP1125275B1 (en) * 1999-08-10 2011-02-09 Telogy Networks Inc. Background energy estimation
US6581032B1 (en) * 1999-09-22 2003-06-17 Conexant Systems, Inc. Bitstream protocol for transmission of encoded voice signals
US6366880B1 (en) * 1999-11-30 2002-04-02 Motorola, Inc. Method and apparatus for suppressing acoustic background noise in a communication system by equaliztion of pre-and post-comb-filtered subband spectral energies
EP1238479A4 (en) * 1999-12-03 2005-07-27 Motorola Inc METHOD AND DEVICE FOR SUPPRESSING ACOUSTIC BACKGROUND RUSH IN A COMMUNICATION SYSTEM
US6963546B2 (en) * 2000-03-15 2005-11-08 Interdigital Technology Corp. Multi-user detection using an adaptive combination of joint detection and successive interface cancellation
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
JP2002032096A (ja) 2000-07-18 2002-01-31 Matsushita Electric Ind Co Ltd 雑音区間／音声区間判定装置
JP4533517B2 (ja) * 2000-08-31 2010-09-01 株式会社東芝 信号処理方法および信号処理装置
US7277554B2 (en) 2001-08-08 2007-10-02 Gn Resound North America Corporation Dynamic range compression using digital frequency warping
DE60215547T2 (de) * 2002-01-25 2007-08-02 Koninklijke Philips Electronics N.V. Verfahren und einheit zur subtraktion des quantisierungsrauschen von einem pcm-signal
US7299173B2 (en) * 2002-01-30 2007-11-20 Motorola Inc. Method and apparatus for speech detection using time-frequency variance
RU2206960C1 (ru) * 2002-06-24 2003-06-20 Общество с ограниченной ответственностью "Центр речевых технологий" Способ подавления шума в информационном сигнале и устройство для его осуществления
US7283956B2 (en) * 2002-09-18 2007-10-16 Motorola, Inc. Noise suppression
US7343283B2 (en) * 2002-10-23 2008-03-11 Motorola, Inc. Method and apparatus for coding a noise-suppressed audio signal
US7809150B2 (en) * 2003-05-27 2010-10-05 Starkey Laboratories, Inc. Method and apparatus to reduce entrainment-related artifacts for hearing assistance systems
EP1768108A4 (en) * 2004-06-18 2008-03-19 Matsushita Electric Ind Co Ltd NOISE SUPPRESSION DEVICE AND NOISE SUPPRESSION METHOD
US7729680B2 (en) * 2004-11-02 2010-06-01 Panasonic Corporation Noise suppresser
KR20060091970A (ko) * 2005-02-16 2006-08-22 엘지전자 주식회사 이동통신단말기에서의 신호 대 잡음비 개선 방법 및 그 이동통신단말기
US20060184363A1 (en) * 2005-02-17 2006-08-17 Mccree Alan Noise suppression
WO2006097886A1 (en) * 2005-03-16 2006-09-21 Koninklijke Philips Electronics N.V. Noise power estimation
WO2006104576A2 (en) * 2005-03-24 2006-10-05 Mindspeed Technologies, Inc. Adaptive voice mode extension for a voice activity detector
US7596099B2 (en) * 2005-08-22 2009-09-29 Motorola, Inc. Method and apparatus for managing a communication link
JP4172530B2 (ja) 2005-09-02 2008-10-29 日本電気株式会社 雑音抑圧の方法及び装置並びにコンピュータプログラム
EP1930880B1 (en) * 2005-09-02 2019-09-25 NEC Corporation Method and device for noise suppression, and computer program
US8116473B2 (en) 2006-03-13 2012-02-14 Starkey Laboratories, Inc. Output phase modulation entrainment containment for digital filters
US7555075B2 (en) * 2006-04-07 2009-06-30 Freescale Semiconductor, Inc. Adjustable noise suppression system
KR100883652B1 (ko) * 2006-08-03 2009-02-18 삼성전자주식회사 음성 구간 검출 방법 및 장치, 및 이를 이용한 음성 인식시스템
US8060363B2 (en) * 2007-02-13 2011-11-15 Nokia Corporation Audio signal encoding
US7873114B2 (en) * 2007-03-29 2011-01-18 Motorola Mobility, Inc. Method and apparatus for quickly detecting a presence of abrupt noise and updating a noise estimate
US7809129B2 (en) * 2007-08-31 2010-10-05 Motorola, Inc. Acoustic echo cancellation based on noise environment
EP2235924A1 (en) * 2007-12-07 2010-10-06 Agere Systems, Inc. End user control of music on hold
RU2621965C2 (ru) 2008-07-11 2017-06-08 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Передатчик сигнала активации с деформацией по времени, кодер звукового сигнала, способ преобразования сигнала активации с деформацией по времени, способ кодирования звукового сигнала и компьютерные программы
MY154452A (en) 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
CN101770776B (zh) 2008-12-29 2011-06-08 华为技术有限公司 瞬态信号的编码方法和装置、解码方法和装置及处理系统
CN102044241B (zh) 2009-10-15 2012-04-04 华为技术有限公司 一种实现通信系统中背景噪声的跟踪的方法和装置
WO2011044848A1 (zh) * 2009-10-15 2011-04-21 华为技术有限公司 信号处理的方法、装置和系统
CN102667927B (zh) * 2009-10-19 2013-05-08 瑞典爱立信有限公司 语音活动检测的方法和背景估计器
US9729976B2 (en) 2009-12-22 2017-08-08 Starkey Laboratories, Inc. Acoustic feedback event monitoring system for hearing assistance devices
US8917891B2 (en) 2010-04-13 2014-12-23 Starkey Laboratories, Inc. Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices
US9654885B2 (en) 2010-04-13 2017-05-16 Starkey Laboratories, Inc. Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices
CN102376303B (zh) * 2010-08-13 2014-03-12 国基电子（上海）有限公司 录音设备及利用该录音设备进行声音处理与录入的方法
EP3493205B1 (en) 2010-12-24 2020-12-23 Huawei Technologies Co., Ltd. Method and apparatus for adaptively detecting a voice activity in an input audio signal
PL2676266T3 (pl) 2011-02-14 2015-08-31 Fraunhofer Ges Forschung Układ kodowania na bazie predykcji liniowej wykorzystujący kształtowanie szumu w dziedzinie widmowej
EP2676264B1 (en) * 2011-02-14 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder estimating background noise during active phases
RU2630390C2 (ru) 2011-02-14 2017-09-07 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ для маскирования ошибок при стандартизированном кодировании речи и аудио с низкой задержкой (usac)
AU2012217216B2 (en) 2011-02-14 2015-09-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
PL2676268T3 (pl) 2011-02-14 2015-05-29 Fraunhofer Ges Forschung Urządzenie i sposób przetwarzania zdekodowanego sygnału audio w domenie widmowej
EP2676267B1 (en) 2011-02-14 2017-07-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of pulse positions of tracks of an audio signal
ES2458436T3 (es) 2011-02-14 2014-05-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Representación de señal de información utilizando transformada superpuesta
JP5480226B2 (ja) * 2011-11-29 2014-04-23 株式会社東芝 信号処理装置および信号処理方法
US8712769B2 (en) 2011-12-19 2014-04-29 Continental Automotive Systems, Inc. Apparatus and method for noise removal by spectral smoothing
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
WO2015191470A1 (en) * 2014-06-09 2015-12-17 Dolby Laboratories Licensing Corporation Noise level estimation
GB201617016D0 (en) * 2016-09-09 2016-11-23 Continental automotive systems inc Robust noise estimation for speech enhancement in variable noise conditions
US10681458B2 (en) * 2018-06-11 2020-06-09 Cirrus Logic, Inc. Techniques for howling detection
KR102242457B1 (ko) * 2019-08-08 2021-04-19 주식회사 에스원 Uwb 모듈레이션을 통한 노이즈 추정방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1216224B (it) * 1986-03-28 1990-02-22 Giuliani Marcello Complesso pneumatico per la pulitura e l'allontanamento di polveri, fibrille e cascami vari dalle carde laniere e cotoniere dell'industria tessile
US4811404A (en) * 1987-10-01 1989-03-07 Motorola, Inc. Noise suppression system
US5267322A (en) * 1991-12-13 1993-11-30 Digital Sound Corporation Digital automatic gain control with lookahead, adaptive noise floor sensing, and decay boost initialization
US5495555A (en) * 1992-06-01 1996-02-27 Hughes Aircraft Company High quality low bit rate celp-based speech codec
US5475686A (en) * 1992-12-28 1995-12-12 Motorola, Inc. Method and apparatus for transferring data in a communication system
IT1270438B (it) * 1993-06-10 1997-05-05 Sip Procedimento e dispositivo per la determinazione del periodo del tono fondamentale e la classificazione del segnale vocale in codificatori numerici della voce
DE69428119T2 (de) * 1993-07-07 2002-03-21 Picturetel Corp Verringerung des hintergrundrauschens zur sprachverbesserung

Also Published As

Publication number Publication date
FR2741217B1 (fr) 2004-08-20
GB2313266B (en) 2000-01-26
GB9713727D0 (en) 1997-09-03
FI972852A0 (fi) 1997-07-03
SE521679C2 (sv) 2003-11-25
FI115582B (fi) 2005-05-31
JP3842821B2 (ja) 2006-11-08
KR100286719B1 (ko) 2001-04-16
HK1005112A1 (en) 1998-12-24
AU689403B2 (en) 1998-03-26
IL119226A (en) 2000-10-31
CN1075692C (zh) 2001-11-28
IL119226A0 (en) 1996-12-05
CA2203917C (en) 2000-06-27
GB2313266A (en) 1997-11-19
US5659622A (en) 1997-08-19
DE19681070C2 (de) 2002-10-24
CN1168204A (zh) 1997-12-17
CA2203917A1 (en) 1997-05-14
RU2169992C2 (ru) 2001-06-27
WO1997018647A1 (en) 1997-05-22
HUP9800843A3 (en) 1999-03-29
FI972852A (fi) 1997-07-03
JPH10513030A (ja) 1998-12-08
SE9701659D0 (sv) 1997-05-02
FR2741217A1 (fr) 1997-05-16
KR19980701399A (ko) 1998-05-15
SE9701659L (sv) 1997-09-12
HU219255B (en) 2001-03-28
BR9607249A (pt) 1997-12-30
DE19681070T1 (de) 1998-02-26
AU1758497A (en) 1997-06-05

Similar Documents

Publication Publication Date Title
HUP9800843A2 (hu) Zajelnyomó eljárás és berendezés, beszédkódoló
JP2004177978A (ja) ディジタル音声伝送システムの快適ノイズを作る方法
EP0785419B1 (en) Voice activity detection
JP3926399B2 (ja) オーディオ信号コーディング中にノイズ置換を信号で知らせる方法
EP0786760B1 (en) Speech coding
US4672669A (en) Voice activity detection process and means for implementing said process
EP0785541B1 (en) Usage of voice activity detection for efficient coding of speech
CA2176665A1 (en) Method of adapting the noise masking level in an analysis-by-synthesis speech coder employing a short-term perceptual weighting filter
US20010038643A1 (en) Method for inserting auxiliary data in an audio data stream
KR980006936A (ko) 낮은 비트 전송 속도 코딩을 위한 적응 필터 및 필터링 방법
US5649052A (en) Adaptive digital audio encoding system
KR920007470A (ko) 동적으로 채널 대역폭을 할당하는 장치 및 방법
JP2003076394A (ja) 音声符号変換方法及び装置
ATE202232T1 (de) Verfahren zur sprachkodierung
EP0599664B1 (en) Voice encoder and method of voice encoding
KR950024447A (ko) 다수개의 채널 및 프레임에 적응적으로 비트 할당하여 부호화하는 디지탈 오디오 부호화장치
WO2000017856A9 (en) Method and apparatus for detecting voice activity in a speech signal
UA41913C2 (uk) Спосіб шумозаглушення у системах зв'язку
FI934424A0 (fi) Tid-frekvens -interpolering med tillaempning pao laoghastighets talkodning
BR9506263A (pt) Processo e aparelho codificador e decodificador de sinais suporte de gravação e processo de transmissão de sinais
FR2825826B1 (fr) Procede pour detecter l'activite vocale dans un signal, et codeur de signal vocal comportant un dispositif pour la mise en oeuvre de ce procede
DE69732384D1 (de) Sprachkodierer hoher Qualität mit niedriger Bitrate
SE9800219L (sv) Avstånds- och distorsionsskattningsförfarande och -anordning vid kanaloptimerad vektorkvantisering
JPS6359127A (ja) 音声符号化方式
ES2067336T3 (es) Proceso para determinar el umbral de control global durante una codificacion de lenguaje original con reduccion de la tasa de bits

Legal Events

Date Code Title Description
GB9A Succession in title

Owner name: MOTOROLA MOBILITY, INC., US

Free format text: FORMER OWNER(S): MOTOROLA INC., US