FI962305A0 - Förfarande och anordning för ljudförbättring - Google Patents

Förfarande och anordning för ljudförbättring

Info

Publication number
FI962305A0
FI962305A0 FI962305A FI962305A FI962305A0 FI 962305 A0 FI962305 A0 FI 962305A0 FI 962305 A FI962305 A FI 962305A FI 962305 A FI962305 A FI 962305A FI 962305 A0 FI962305 A0 FI 962305A0
Authority
FI
Finland
Prior art keywords
enhancement method
sound enhancement
sound
enhancement
Prior art date
Application number
FI962305A
Other languages
English (en)
Finnish (fi)
Other versions
FI962305A (sv
Inventor
Helena Shunoi Ho
Michael K Pratt
Pong C Lim
Thomas T Oshidari
Original Assignee
Dsc Communications
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 Dsc Communications filed Critical Dsc Communications
Publication of FI962305A0 publication Critical patent/FI962305A0/sv
Publication of FI962305A publication Critical patent/FI962305A/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/40—Applications of speech amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/18—Automatic control in untuned amplifiers
    • H03G5/22—Automatic control in untuned amplifiers having semiconductor devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/002—Applications of echo suppressors or cancellers in telephonic connections

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Vehicle Body Suspensions (AREA)
FI962305A 1993-12-02 1996-05-31 Förfarande och anordning för ljudförbättring FI962305A (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/161,120 US5471527A (en) 1993-12-02 1993-12-02 Voice enhancement system and method
PCT/US1994/013603 WO1995015643A1 (en) 1993-12-02 1994-11-28 Voice enhancement system and method

Publications (2)

Publication Number Publication Date
FI962305A0 true FI962305A0 (sv) 1996-05-31
FI962305A FI962305A (sv) 1996-05-31

Family

ID=22579904

Family Applications (1)

Application Number Title Priority Date Filing Date
FI962305A FI962305A (sv) 1993-12-02 1996-05-31 Förfarande och anordning för ljudförbättring

Country Status (14)

Country Link
US (2) US5471527A (sv)
EP (1) EP0732024A1 (sv)
JP (1) JP3032811B2 (sv)
KR (1) KR100268319B1 (sv)
CN (1) CN1149373A (sv)
AU (2) AU690603B2 (sv)
BR (1) BR9408202A (sv)
CA (1) CA2177266C (sv)
FI (1) FI962305A (sv)
PL (1) PL175383B1 (sv)
RU (1) RU2142675C1 (sv)
TW (1) TW321763B (sv)
WO (1) WO1995015643A1 (sv)
ZA (1) ZA949489B (sv)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5896449A (en) * 1993-12-02 1999-04-20 Alcatel Usa Sourcing L.P. Voice enhancement system and method
GB2300087B (en) * 1995-04-18 1999-04-28 Ibm Voice processing system and method
US5712954A (en) * 1995-08-23 1998-01-27 Rockwell International Corp. System and method for monitoring audio power level of agent speech in a telephonic switch
FI100840B (sv) * 1995-12-12 1998-02-27 Nokia Mobile Phones Ltd Brusdämpare och förfarande för dämpning av bakgrundsbrus i brusigt tal samt en mobilteleapparat
US5802164A (en) * 1995-12-22 1998-09-01 At&T Corp Systems and methods for controlling telephone sound enhancement on a per call basis
JPH09321833A (ja) * 1996-05-28 1997-12-12 Saitama Nippon Denki Kk 携帯電話機
IL129893A0 (en) * 1996-11-28 2000-02-29 British Telecomm Interactive apparatus
US5995619A (en) * 1996-12-31 1999-11-30 U.S. Philips Corporation Telephony device with compensation for line losses
US6128369A (en) * 1997-05-14 2000-10-03 A.T.&T. Corp. Employing customer premises equipment in communications network maintenance
US5943413A (en) * 1997-06-09 1999-08-24 At&T Corp. Method for selectively routing enhanced calls
FR2765610B1 (fr) * 1997-07-04 2003-08-15 Kiekert Ag Vehicule automobile avec un systeme de fermeture a ouvrir ou a verrouiller au moyen d'une telecommande
GB2330961B (en) * 1997-11-04 2002-04-24 Nokia Mobile Phones Ltd Automatic Gain Control
DE59914920D1 (de) * 1998-01-15 2009-01-15 Siemens Schweiz Ag Verfahren zum bereitstellen von einrichtungen zur echounterdrückung in kommunikationsverbindungen mit automaten
JP4045003B2 (ja) * 1998-02-16 2008-02-13 富士通株式会社 拡張ステーション及びそのシステム
US6351529B1 (en) * 1998-04-27 2002-02-26 3Com Corporation Method and system for automatic gain control with adaptive table lookup
US6188763B1 (en) 1998-05-29 2001-02-13 Westell Technologies, Inc. Signal processing unit for network interface unit
US6263074B1 (en) * 1998-06-19 2001-07-17 Lucent Technologies, Inc. User programmable station set bass and treble control
US7181297B1 (en) 1999-09-28 2007-02-20 Sound Id System and method for delivering customized audio data
US6545562B2 (en) * 2001-02-09 2003-04-08 Adc Telecommunications, Inc. Plug connector for cable television network and method of use
US6944474B2 (en) * 2001-09-20 2005-09-13 Sound Id Sound enhancement for mobile phones and other products producing personalized audio for users
US20030168235A1 (en) * 2002-03-07 2003-09-11 Todd Loeffelholz EMI shielded module
US20030230921A1 (en) * 2002-05-10 2003-12-18 George Gifeisman Back support and a device provided therewith
US7155385B2 (en) * 2002-05-16 2006-12-26 Comerica Bank, As Administrative Agent Automatic gain control for adjusting gain during non-speech portions
US6759005B2 (en) * 2002-07-23 2004-07-06 Heraeus, Inc. Fabrication of B/C/N/O/Si doped sputtering targets
US20040105219A1 (en) * 2002-12-03 2004-06-03 Mcclellan Terry E. Chassis for housing telecommunications components
US8086451B2 (en) 2005-04-20 2011-12-27 Qnx Software Systems Co. System for improving speech intelligibility through high frequency compression
US8249861B2 (en) * 2005-04-20 2012-08-21 Qnx Software Systems Limited High frequency compression integration
US7472041B2 (en) * 2005-08-26 2008-12-30 Step Communications Corporation Method and apparatus for accommodating device and/or signal mismatch in a sensor array
US7619563B2 (en) 2005-08-26 2009-11-17 Step Communications Corporation Beam former using phase difference enhancement
US20070050441A1 (en) * 2005-08-26 2007-03-01 Step Communications Corporation,A Nevada Corporati Method and apparatus for improving noise discrimination using attenuation factor
US20070047742A1 (en) * 2005-08-26 2007-03-01 Step Communications Corporation, A Nevada Corporation Method and system for enhancing regional sensitivity noise discrimination
US7415372B2 (en) 2005-08-26 2008-08-19 Step Communications Corporation Method and apparatus for improving noise discrimination in multiple sensor pairs
US20070047743A1 (en) * 2005-08-26 2007-03-01 Step Communications Corporation, A Nevada Corporation Method and apparatus for improving noise discrimination using enhanced phase difference value
US7436188B2 (en) * 2005-08-26 2008-10-14 Step Communications Corporation System and method for improving time domain processed sensor signals
US7864717B2 (en) * 2006-01-09 2011-01-04 Flextronics Automotive Inc. Modem for communicating data over a voice channel of a communications system
BRPI0807703B1 (pt) 2007-02-26 2020-09-24 Dolby Laboratories Licensing Corporation Método para aperfeiçoar a fala em áudio de entretenimento e meio de armazenamento não-transitório legível por computador
US20090010453A1 (en) * 2007-07-02 2009-01-08 Motorola, Inc. Intelligent gradient noise reduction system
US8374851B2 (en) * 2007-07-30 2013-02-12 Texas Instruments Incorporated Voice activity detector and method
CN102017402B (zh) 2007-12-21 2015-01-07 Dts有限责任公司 用于调节音频信号的感知响度的系统
CN101360351B (zh) * 2008-06-03 2012-01-18 无锡友达电子有限公司 利用双跨导级联完成静音功能的低通集成电路
KR20100024659A (ko) * 2008-08-26 2010-03-08 주식회사 팬택 오디오 출력 제어 방법과 장치, 및 이를 적용한 이동 단말 장치
CN101741965B (zh) * 2008-11-27 2012-10-03 博通集成电路（上海）有限公司 衰减输入信号的方法及静噪装置
CN101789797A (zh) * 2009-01-22 2010-07-28 浙江安迪信信息技术有限公司 无线通信抗干扰系统
CN101859568B (zh) * 2009-04-10 2012-05-30 比亚迪股份有限公司 一种语音背景噪声的消除方法和装置
US8538042B2 (en) 2009-08-11 2013-09-17 Dts Llc System for increasing perceived loudness of speakers
US8204742B2 (en) * 2009-09-14 2012-06-19 Srs Labs, Inc. System for processing an audio signal to enhance speech intelligibility
US8284042B2 (en) * 2009-09-28 2012-10-09 Ford Global Technologies, Llc System and method of vehicle passenger detection for rear seating rows
GB2476043B (en) * 2009-12-08 2016-10-26 Skype Decoding speech signals
US9117455B2 (en) 2011-07-29 2015-08-25 Dts Llc Adaptive voice intelligibility processor
US9312829B2 (en) 2012-04-12 2016-04-12 Dts Llc System for adjusting loudness of audio signals in real time
US9031838B1 (en) * 2013-07-15 2015-05-12 Vail Systems, Inc. Method and apparatus for voice clarity and speech intelligibility detection and correction
US8767996B1 (en) 2014-01-06 2014-07-01 Alpine Electronics of Silicon Valley, Inc. Methods and devices for reproducing audio signals with a haptic apparatus on acoustic headphones
US8977376B1 (en) 2014-01-06 2015-03-10 Alpine Electronics of Silicon Valley, Inc. Reproducing audio signals with a haptic apparatus on acoustic headphones and their calibration and measurement
US10986454B2 (en) 2014-01-06 2021-04-20 Alpine Electronics of Silicon Valley, Inc. Sound normalization and frequency remapping using haptic feedback
KR102270628B1 (ko) 2015-02-09 2021-06-30 엘지전자 주식회사 냉장고
US9691413B2 (en) * 2015-10-06 2017-06-27 Microsoft Technology Licensing, Llc Identifying sound from a source of interest based on multiple audio feeds
EA038803B1 (ru) * 2017-12-25 2021-10-21 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт автоматики им. Н.Л. Духова" Способ адаптивной цифровой фильтрации импульсных помех и фильтр для его реализации
RU2702258C1 (ru) * 2018-06-26 2019-10-07 Общество с ограниченной ответственностью "РВ-СИСТЕМС" (ООО "РВ-СИСТЕМС") Способ ортогонального частотного уплотнения и его реализующее устройство

Family Cites Families (298)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL16990C (sv) * 1923-04-30
USRE19305E (en) * 1929-07-17 1934-09-04 Negative impedance repeater
US1844424A (en) * 1930-11-04 1932-02-09 Bell Telephone Labor Inc Long distance telephone transmission
US1968460A (en) * 1932-12-29 1934-07-31 Bell Telephone Labor Inc Noise suppression circuit
US2045300A (en) * 1934-05-31 1936-06-23 Rca Corp Radio receiving system
NL44236C (sv) * 1935-05-16
US2151091A (en) * 1935-10-30 1939-03-21 Bell Telephone Labor Inc Signal transmission
US2167011A (en) * 1936-01-13 1939-07-25 Philips Nv Receiving circuit
US2102138A (en) * 1936-02-21 1937-12-14 Bell Telephone Labor Inc Transmission system
US2098350A (en) * 1936-07-02 1937-11-09 American Telephone & Telegraph Control of signaling circuits
US2144565A (en) * 1936-11-30 1939-01-17 Magnavox Company Inc Volume control for electrical sound reproducer
US2134059A (en) * 1937-03-15 1938-10-25 Rca Corp Loudspeaker circuits
US2173426A (en) * 1937-08-30 1939-09-19 Gen Radio Co Electric system
US2154579A (en) * 1937-11-20 1939-04-18 American Telephone & Telegraph Telephone conference circuit
US2190318A (en) * 1938-04-21 1940-02-13 Rca Corp Damping system
US2170941A (en) * 1938-09-15 1939-08-29 Bell Telephone Labor Inc Transmission control in signaling systems
US2209667A (en) * 1939-05-13 1940-07-30 Bell Telephone Labor Inc Control of transmission in two-way signaling systems
US2206146A (en) * 1939-05-27 1940-07-02 Bell Telephone Labor Inc Control of transmission and two-way signaling systems
BE475750A (sv) * 1939-10-04
US2248746A (en) * 1940-03-22 1941-07-08 Bell Telephone Labor Inc Signal wave transmission system
US2282465A (en) * 1941-02-27 1942-05-12 Bell Telephone Labor Inc Speech transmission system
US2300415A (en) * 1941-04-26 1942-11-03 Bell Telephone Labor Inc Transmission control
US2350951A (en) * 1941-10-31 1944-06-06 Bell Telephone Labor Inc Electric wave system
US2607860A (en) * 1944-07-12 1952-08-19 Punch Engineering Pty Ltd Frequency selective repeater device
BE420493A (sv) * 1946-01-17
US2606969A (en) * 1946-01-17 1952-08-12 Myron T Smith Method and system for reducing noise in the transmission of electric signals
US2606971A (en) * 1946-01-19 1952-08-12 Myron T Smith Method and system for reducing noise in the transmission of electric signals
US2606970A (en) * 1946-01-19 1952-08-12 Myron T Smith Method of and system for reducing noise in the transmission of signals
US2513360A (en) * 1947-01-09 1950-07-04 Nielsen A C Co System for determining the listening habits of wave signal receiver users
BE485032A (sv) * 1947-12-22
US2710314A (en) * 1950-06-08 1955-06-07 Tongue Ben Hapgood Wide-band amplifying system
BE507449A (sv) * 1950-11-30
BE505815A (sv) * 1950-12-27
BE511541A (sv) * 1951-05-21
US2766374A (en) * 1951-07-25 1956-10-09 Internat Telementer Corp System and apparatus for determining popularity ratings of different transmitted programs
US2680232A (en) * 1951-09-13 1954-06-01 Revere Camera Co Compensated tone and volume control system
US2759049A (en) * 1951-12-04 1956-08-14 Hermon H Scott Method and system for reducing noise in the transmission of electric signals
US2781417A (en) * 1953-08-07 1957-02-12 George G Bower Telephone transmission system
US2812498A (en) * 1953-09-23 1957-11-05 Cecil T Hall Aural attenuators
US2900609A (en) * 1954-07-27 1959-08-18 Vm Corp Tone compensated loudness control
US2908761A (en) * 1954-10-20 1959-10-13 Bell Telephone Labor Inc Voice pitch determination
GB839975A (en) * 1955-07-28 1960-06-29 Telephone Mfg Co Ltd Improvements in and relating to signal switched telecommunication circuits
US2948778A (en) * 1956-05-07 1960-08-09 Warner W Clements Sound reproducing means
US3045074A (en) * 1958-06-25 1962-07-17 Gylling & Co Ab Amplifier for transmission of speech in two directions
FR1215805A (fr) * 1958-11-18 1960-04-20 Cie Ind Des Telephones Perfectionnements aux amplificateurs à fréquence vocale
US3114005A (en) * 1959-04-24 1963-12-10 Lenkurt Electric Co Inc Inband signaling system
US3083265A (en) * 1960-02-01 1963-03-26 Itt Conference call circuit
US3183313A (en) * 1960-12-16 1965-05-11 Bell Telephone Labor Inc Echo suppressor operable by a pilot tone
US3102928A (en) * 1960-12-23 1963-09-03 Bell Telephone Labor Inc Vocoder excitation generator
US3083266A (en) * 1961-02-28 1963-03-26 Bell Telephone Labor Inc Vocoder apparatus
FR1313232A (fr) * 1961-11-14 1962-12-28 Régulateur de niveau à variation d'affaiblissement continue pour systèmes téléphoniques à courants porteurs
NL290910A (sv) * 1962-03-30
US3145269A (en) * 1962-05-16 1964-08-18 Bell Telephone Labor Inc Control of dynamic range and sensitivity of echo suppressor circuits
US3290442A (en) * 1962-07-11 1966-12-06 Tdk Electronics Co Ltd Noise responsive automatic sound volume controlling system
US3313885A (en) * 1963-05-21 1967-04-11 William R Aiken Combined tone control and volume expander arrangement
NL298464A (sv) * 1963-06-21
US3281723A (en) * 1964-02-03 1966-10-25 Fairchild Recording Equipment Dynamic equalizer circuits having a light dependent cell for producing a relatively constant apparent loudness effect
DE1250496B (sv) * 1964-02-12
US3360748A (en) * 1964-04-20 1967-12-26 Automatic Elect Lab Double threshold gain regulator for communication systems
US3339027A (en) * 1964-10-07 1967-08-29 Bell Telephone Labor Inc Telephone line range extension circuitry
NL154378B (nl) * 1965-01-08 1977-08-15 Frederik Adolf Nauta En Freder Stelsel en inrichting voor het registreren van luister- en/of kijkgegevens.
US3361520A (en) * 1965-02-19 1968-01-02 Garrett Res & Dev Co Process for the preparation of anhydrous aluminum chloride
US3403228A (en) * 1965-03-09 1968-09-24 Bell Telephone Labor Inc Telephone party-line isolation and range extension
US3452282A (en) * 1965-05-03 1969-06-24 Philco Ford Corp Auto radio volume and tone control circuit
US3449518A (en) * 1965-09-15 1969-06-10 Louis W Erath Sound reproduction compensation system
US3428748A (en) * 1965-12-28 1969-02-18 Bell Telephone Labor Inc Vowel detector
US3436488A (en) * 1966-03-17 1969-04-01 Bell Telephone Labor Inc Line circuit for a key telephone system utilizing a single multifunction supervisory relay
US3465104A (en) * 1966-09-09 1969-09-02 Bell Telephone Labor Inc Step-by-step telephone system with range extension
US3493686A (en) * 1966-09-15 1970-02-03 Bell Telephone Labor Inc Telephone switching system serving long customer loops and short customer loops
US3497622A (en) * 1966-10-21 1970-02-24 Zenith Radio Corp Automatic gain control
US3509500A (en) * 1966-12-05 1970-04-28 Avco Corp Automatic digital tuning apparatus
US3530244A (en) * 1967-02-13 1970-09-22 Martin G Reiffin Motional feedback amplifier systems
US3483336A (en) * 1967-04-03 1969-12-09 Lear Siegler Inc Disabling device for the alternating-current path of a two-wire transmission syste
US3496465A (en) * 1967-05-19 1970-02-17 Bell Telephone Labor Inc Fundamental frequency detector
US3497621A (en) * 1967-06-19 1970-02-24 Louis W Erath Audio reproduction system with low frequency compensation
US3508009A (en) * 1967-09-06 1970-04-21 Bell Telephone Labor Inc Range extension circuit
US3684838A (en) * 1968-06-26 1972-08-15 Kahn Res Lab Single channel audio signal transmission system
US3571529A (en) * 1968-09-09 1971-03-16 Zenith Radio Corp Hearing aid with frequency-selective agc
US3617636A (en) * 1968-09-24 1971-11-02 Nippon Electric Co Pitch detection apparatus
US3573402A (en) * 1969-03-25 1971-04-06 Lorain Prod Corp Bidirectional additive amplifier
NL139150B (nl) * 1969-05-06 1973-06-15 Nederlanden Staat Bipolaire overdrager.
US3937887A (en) 1969-05-15 1976-02-10 Ben O. Key Acoustic power system
US3821473A (en) 1969-06-20 1974-06-28 J Mullins Sound reproduction system with driven and undriven speakers and motional feedback
BE753495A (fr) * 1969-07-21 1970-12-16 Dolby Laboratories Inc Filtres limiteurs perfectionnes pour systemes attenuateurs de bruit. (
US3660609A (en) * 1969-08-22 1972-05-02 Communications Systems Corp Subscriber long line extender
US3624302A (en) * 1969-10-29 1971-11-30 Bell Telephone Labor Inc Speech analysis and synthesis by the use of the linear prediction of a speech wave
US3649766A (en) * 1969-12-01 1972-03-14 Bell Telephone Labor Inc Digital speech detection system
US3671676A (en) * 1969-12-17 1972-06-20 Bell Telephone Labor Inc Subscriber loop range extender
US3689704A (en) * 1969-12-17 1972-09-05 Itt Constant current output controlled repeater insertion
US3605042A (en) * 1969-12-22 1971-09-14 Gen Electric Treble control circuit
US3911370A (en) 1970-07-22 1975-10-07 Jerry B Pace Audio frequency amplitude compensator
US3696298A (en) * 1970-07-27 1972-10-03 Kahn Res Lab Audio signal transmission system and method
US3689700A (en) * 1970-09-21 1972-09-05 Lear Siegler Inc Subscriber loop extension unit
JPS4946485B1 (sv) 1970-09-30 1974-12-10
US3678416A (en) * 1971-07-26 1972-07-18 Richard S Burwen Dynamic noise filter having means for varying cutoff point
US3699271A (en) * 1970-11-16 1972-10-17 Bell Telephone Labor Inc Speech processor using multiband controlled center clipping
US3689711A (en) * 1971-01-27 1972-09-05 Bell Telephone Labor Inc Call diverter repeater
US3694765A (en) 1971-02-08 1972-09-26 Bell Telephone Labor Inc Signal coupling circuit
JPS5640403B1 (sv) 1971-02-10 1981-09-21
GB1390341A (en) 1971-03-12 1975-04-09 Dolby Laboratories Inc Signal compressors and expanders
US3693155A (en) * 1971-03-23 1972-09-19 Nat Telecommunications System Communication system
US3803359A (en) 1971-06-08 1974-04-09 Mc Intosh Labor Inc Equalization system for power amplifier and loudspeaker system
US3706862A (en) * 1971-06-28 1972-12-19 Lorain Prod Corp Amplifier circuit for transmission lines
US3803357A (en) 1971-06-30 1974-04-09 J Sacks Noise filter
US3740476A (en) * 1971-07-09 1973-06-19 Bell Telephone Labor Inc Speech signal pitch detector using prediction error data
US3911371A (en) 1971-07-24 1975-10-07 Sony Corp Signal transmission system
SE348087B (sv) 1971-09-20 1972-08-21 Ericsson Telefon Ab L M
US3760108A (en) * 1971-09-30 1973-09-18 Tetrachord Corp Speech diagnostic and therapeutic apparatus including means for measuring the speech intensity and fundamental frequency
US3781481A (en) 1971-09-30 1973-12-25 Stromberg Carlson Corp Amplifier select and control circuit
US3914560A (en) 1971-10-13 1975-10-21 Superior Continental Corp Self-adjusting repeater for voice frequency telephone transmission systems
FR2157143A5 (sv) 1971-10-19 1973-06-01 Queffeulou Jean Yves
BE793458A (fr) 1971-12-30 1973-06-28 Philips Nv Dispositif d'egalisation automatique
US3753786A (en) * 1972-03-29 1973-08-21 Gould Inc Method and apparatus for adjusting battery electrolyte concentration
US3900708A (en) 1972-03-31 1975-08-19 Siemens Ag Selective echo suppressor
US3798374A (en) 1972-04-03 1974-03-19 Rene Oliveras Sound reproducing system utilizing motional feedback
US3932712A (en) 1972-06-14 1976-01-13 Stromberg-Carlson Corporation Telephone transmission system
US3890465A (en) 1972-07-11 1975-06-17 Victor Company Of Japan Circuit arrangement for protection of a speaker system
GB1434239A (en) 1972-08-10 1976-05-05 Siemens Ag Echo cancellers
DE2345544C3 (de) 1972-09-11 1976-12-23 Matsushita Electric Ind Co Ltd Schallwiedergabesystem
US3806658A (en) 1972-10-30 1974-04-23 Bell Telephone Labor Inc Common controlled equalization system
US3816668A (en) 1972-11-15 1974-06-11 Bell Telephone Labor Inc Arrangement for providing switched range extension
FR2206889A5 (sv) 1972-11-16 1974-06-07 Rhone Poulenc Sa
US3916105A (en) 1972-12-04 1975-10-28 Ibm Pitch peak detection using linear prediction
US3784756A (en) 1972-12-15 1974-01-08 Bell Telephone Labor Inc Subscriber loop range extender
US3819866A (en) 1972-12-18 1974-06-25 Bell Telephone Labor Inc Light coupled loop current detector
US3873775A (en) 1973-01-25 1975-03-25 Int Standard Electric Corp Method and an arrangement to indicate deterioration of PCM transmission quality
US3818151A (en) 1973-01-26 1974-06-18 Lorain Prod Corp Method and apparatus for amplifying signal transmission through transmission lines
US3828281A (en) 1973-02-26 1974-08-06 Lorain Prod Corp Impedance simulating circuit for transmission lines
US3934085A (en) 1973-03-28 1976-01-20 Television Research Limited Audio amplifier systems
US3855431A (en) 1973-04-02 1974-12-17 Itt Electronic hybrid amplifier
US3989896A (en) 1973-05-08 1976-11-02 Westinghouse Electric Corporation Method and apparatus for speech identification
US3906491A (en) 1973-05-14 1975-09-16 Federal Sign And Signal Corp Electronic alarm and emergency voice communication system
US3846856A (en) 1973-05-22 1974-11-12 Ying Tu Hsiu Soft mat
JPS5750097B2 (sv) 1973-06-06 1982-10-26
US3879583A (en) 1973-08-17 1975-04-22 K Son Corp Reconstruction of telephone dial signals
US3946170A (en) 1973-11-29 1976-03-23 Brooks Fred A Self regulating telephone sets
US3941948A (en) * 1973-11-29 1976-03-02 Brooks Fred A Four-wire interface regulator for long distance trunk circuits
JPS5086915A (sv) 1973-11-30 1975-07-12
US3872266A (en) 1973-12-13 1975-03-18 Magnetic Controls Co Telephone monitor circuit
US3911415A (en) 1973-12-18 1975-10-07 Westinghouse Electric Corp Distribution network power line carrier communication system
US3921168A (en) 1974-01-18 1975-11-18 Damon Corp Remote sensing and control system
US3925708A (en) 1974-03-25 1975-12-09 Andrew V Picciochi Safety means for audio speakers
US3903378A (en) 1974-03-27 1975-09-02 Gte Automatic Electric Lab Inc Arrangement for controlling the gain of two-way amplifiers in accordance with loop lengths
US3903366A (en) 1974-04-23 1975-09-02 Us Navy Application of simultaneous voice/unvoice excitation in a channel vocoder
CA1019485A (en) * 1974-06-21 1977-10-18 Sed Systems Ltd. Automatic dialing equipment
US3979557A (en) 1974-07-03 1976-09-07 International Telephone And Telegraph Corporation Speech processor system for pitch period extraction using prediction filters
CH581878A5 (sv) 1974-07-22 1976-11-15 Gretag Ag
JPS5325767B2 (sv) 1974-09-05 1978-07-28
US4017695A (en) 1974-09-30 1977-04-12 Bell Telephone Laboratories, Incorporated Customer operated gain control circuit
US3918003A (en) 1974-10-29 1975-11-04 Bell Telephone Labor Inc Combined feedback and feedforward automatic gain control
DE2451912C3 (de) 1974-10-31 1980-02-07 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Entzerrung des Dämpfungsverlaufs eines Niederfrequenzkabels
US3973087A (en) 1974-12-05 1976-08-03 General Electric Company Signal repeater for power line access data system
US3973240A (en) 1974-12-05 1976-08-03 General Electric Company Power line access data system
US3944723A (en) 1974-12-05 1976-03-16 General Electric Company Station for power line access data system
US4206450A (en) 1974-12-26 1980-06-03 Bowmar Instrument Corporation Fire and intrusion security system
US3967264A (en) 1975-01-31 1976-06-29 Westinghouse Electric Corporation Distribution network power line communication system including addressable interrogation and response repeater
US3942168A (en) 1975-01-31 1976-03-02 Westinghouse Electric Corporation Distribution network power line communication system
US4004096A (en) 1975-02-18 1977-01-18 The United States Of America As Represented By The Secretary Of The Army Process for extracting pitch information
US4007340A (en) 1975-02-25 1977-02-08 Edison Control Corporation Distance-related variable gain amplifier
US4061883A (en) 1975-03-20 1977-12-06 Lorain Products Corporation Repeater for transmission lines of differing lengths
GB1542264A (en) 1975-04-24 1979-03-14 Acoustic Res Int Loudspeaker systems
US4064507A (en) 1975-05-29 1977-12-20 Westinghouse Electric Corporation Noise generator circuit for a security system
US3997724A (en) 1975-06-03 1976-12-14 American Trading And Production Corporation Loudspeaker drive mechanism monitoring assembly
US3959735A (en) 1975-06-16 1976-05-25 Gte Sylvania Incorporated Loudspeaker and amplifier protection circuit
US4074069A (en) 1975-06-18 1978-02-14 Nippon Telegraph & Telephone Public Corporation Method and apparatus for judging voiced and unvoiced conditions of speech signal
US4058676A (en) 1975-07-07 1977-11-15 International Communication Sciences Speech analysis and synthesis system
US4004102A (en) 1975-08-08 1977-01-18 Bell Telephone Laboratories, Incorporated Automatic impedance modification of transmission lines
US3991370A (en) 1975-10-03 1976-11-09 John Pate Peak limiter
US4217661A (en) 1975-10-14 1980-08-12 Kahn Leonard R Audio signal transmission system and method incorporating automatic frequency correction
US4087654A (en) 1975-11-28 1978-05-02 Bell Telephone Laboratories, Incorporated Echo canceller for two-wire full duplex data transmission
US4067008A (en) 1975-12-29 1978-01-03 Denver Fire Reporter & Protective Co., Inc. Multiplex interrogation system using pulses
US4046960A (en) 1975-12-31 1977-09-06 Veale John R Audio fidelity frequency equalizer system
JPS52125251A (en) 1976-02-23 1977-10-20 Bio Communication Res Electric filter and method of designing same
US4051331A (en) 1976-03-29 1977-09-27 Brigham Young University Speech coding hearing aid system utilizing formant frequency transformation
US4061874A (en) 1976-06-03 1977-12-06 Fricke J P System for reproducing sound information
US4027259A (en) 1976-06-14 1977-05-31 Gte Automatic Electric Laboratories Incorporated Line equalizer with differentially controlled complementary constant resistance networks
US4049928A (en) 1976-06-30 1977-09-20 Northern Telecom Limited Self-adjusting voice frequency repeater
US4141006A (en) 1976-07-14 1979-02-20 Braxton Kenneth J Security system for centralized monitoring and selective reporting of remote alarm conditions
US4135590A (en) 1976-07-26 1979-01-23 Gaulder Clifford F Noise suppressor system
US4074087A (en) * 1976-08-16 1978-02-14 Bell Telephone Laboratories, Incorporated Bidirectional voice frequency repeater
US4028496A (en) 1976-08-17 1977-06-07 Bell Telephone Laboratories, Incorporated Digital speech detector
US4143325A (en) 1976-08-20 1979-03-06 Kahn Leonard R Constant amplitude interference squelch system
JPS583601B2 (ja) 1976-09-27 1983-01-22 株式会社日立製作所 スピ−カ保護回路
US4072830A (en) 1976-10-04 1978-02-07 Bell Telephone Laboratories, Incorporated Variable phase shifter for adaptive echo cancellers
US4076959A (en) 1976-10-08 1978-02-28 General Motors Corporation Volume, tone and balance control for multi-channel audio systems
US4056688A (en) 1976-11-11 1977-11-01 Bell Telephone Laboratories, Incorporated Telephone range extender with gain
US4092493A (en) 1976-11-30 1978-05-30 Bell Telephone Laboratories, Incorporated Speech recognition system
US4107460A (en) 1976-12-06 1978-08-15 Threshold Technology, Inc. Apparatus for recognizing words from among continuous speech
US4054941A (en) 1976-12-22 1977-10-18 Bell Telephone Laboratories, Incorporated Range extender with gain
FR2377734A1 (fr) 1977-01-17 1978-08-11 Trt Telecom Radio Electr Annuleur d'echo numerique pour modem de transmission de donnees par modulation d'une porteuse
US4123711A (en) 1977-01-24 1978-10-31 Canadian Patents And Development Limited Synchronized compressor and expander voice processing system for radio telephone
JPS5394160A (en) 1977-01-28 1978-08-17 Pioneer Electronic Corp Muutuning circuit
US4100543A (en) 1977-02-04 1978-07-11 Napco Security Systems, Inc. Audible alarm apparatus particularly adaptable for use with fire and theft security systems
US4178472A (en) 1977-02-21 1979-12-11 Hiroyasu Funakubo Voiced instruction identification system
JPS53105303A (en) 1977-02-25 1978-09-13 Hitachi Ltd Preprocessing system for audio recognition
JPS53117363A (en) 1977-03-24 1978-10-13 Toshiba Corp Modulator
CA1112385A (en) 1977-04-13 1981-11-10 Bloomfield J. Warman Compensation of transmission losses in a telephone system
US4167653A (en) 1977-04-15 1979-09-11 Nippon Electric Company, Ltd. Adaptive speech signal detector
US4210901A (en) 1977-04-25 1980-07-01 Westinghouse Electric Corp. Signal repeater for a distribution network communication system
US4156868A (en) 1977-05-05 1979-05-29 Bell Telephone Laboratories, Incorporated Syntactic word recognizer
FR2404969A1 (fr) 1977-10-03 1979-04-27 Cit Alcatel Demi-suppresseur d'echo pour une ligne telephonique a quatre fils
US4177356A (en) 1977-10-20 1979-12-04 Dbx Inc. Signal enhancement system
JPS6050092B2 (ja) 1977-11-08 1985-11-06 ケイディディ株式会社 適応制御型反響阻止装置
US4132863A (en) 1977-12-20 1979-01-02 Bell Telephone Laboratories, Incorporated Automatic gain and return loss compensating line circuit
US4301329A (en) 1978-01-09 1981-11-17 Nippon Electric Co., Ltd. Speech analysis and synthesis apparatus
US4182930A (en) 1978-03-10 1980-01-08 Dbx Inc. Detection and monitoring device
DE2817156A1 (de) 1978-04-17 1979-10-25 Deutsche Bundespost Echokompensator fuer fernsprech-weitverkehrs-verbindungen
US4164626A (en) 1978-05-05 1979-08-14 Motorola, Inc. Pitch detector and method thereof
US4179669A (en) 1978-06-05 1979-12-18 Bose Corporation Amplifying and equalizing
US4197429A (en) 1978-07-17 1980-04-08 Bell Telephone Laboratories, Incorporated Gain-adjusting conference circuit
US4207543A (en) 1978-07-18 1980-06-10 Izakson Ilya S Adaptive filter network
DE2833518A1 (de) 1978-07-31 1980-02-21 Siemens Ag Schaltungsanordnung zur kompensation von echos
US4230905A (en) 1978-08-18 1980-10-28 Crum Ronald J Stereophonic system with discrete bass channels
IT1115559B (it) 1978-08-29 1986-02-03 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la cancellazione numerica dell eco
US4220817A (en) 1978-09-15 1980-09-02 Apt Corporation Audio playback systems
US4277655A (en) 1978-10-16 1981-07-07 Lear Siegler, Inc. Automatic gain repeater
US4229734A (en) 1978-10-26 1980-10-21 Honeywell Inc. Line supervision
US4250489A (en) 1978-10-31 1981-02-10 Westinghouse Electric Corp. Distribution network communication system having branch connected repeaters
US4330686A (en) 1978-12-21 1982-05-18 Stephen Roe Loudspeaker systems
US4296278A (en) 1979-01-05 1981-10-20 Altec Corporation Loudspeaker overload protection circuit
CH644974A5 (de) 1979-02-09 1984-08-31 Blaupunkt Werke Gmbh Schaltungsanordnung zum selbsttaetigen anpassen der lautstaerke mindestens eines lautsprechers an einen am lautsprecherort herrschenden stoergeraeuschpegel fuer rundfunkempfaenger.
US4351983A (en) 1979-03-05 1982-09-28 International Business Machines Corp. Speech detector with variable threshold
US4268727A (en) 1979-03-14 1981-05-19 International Telephone And Telegraph Corporation Adaptive digital echo cancellation circuit
US4327250A (en) 1979-05-03 1982-04-27 Electro Audio Dynamics Inc. Dynamic speaker equalizer
FR2462070A1 (fr) 1979-07-17 1981-02-06 Cit Alcatel Dispositif d'alimentation d'un poste d'abonne
US4274155A (en) 1979-08-06 1981-06-16 Gte Automatic Electric Laboratories Inc. Multiport conference circuit with multi-frame summing and voice level coding
JPS5636546U (sv) 1979-08-31 1981-04-08
US4304968A (en) * 1979-09-24 1981-12-08 Klausner Industries Telephone electronic answering device
US4301330A (en) 1979-09-28 1981-11-17 Zenith Radio Corporation Loudspeaker protection circuit
US4315107A (en) 1979-10-15 1982-02-09 Bell Telephone Laboratories, Incorporated Telephone range extender with gain
US4281218A (en) 1979-10-26 1981-07-28 Bell Telephone Laboratories, Incorporated Speech-nonspeech detector-classifier
US4288871A (en) 1979-11-05 1981-09-08 Bell Telephone Laboratories, Incorporated Digital loop conferencing signal correction arrangement
US4300231A (en) 1979-12-31 1981-11-10 Bell Telephone Laboratories, Incorporated Digital system error correction arrangement
US4277645A (en) 1980-01-25 1981-07-07 Bell Telephone Laboratories, Incorporated Multiple variable threshold speech detector
US4331842A (en) 1980-02-11 1982-05-25 Reliance Electric Company Voice frequency repeater and term sets and other circuits therefor
JPS56132804A (en) 1980-03-22 1981-10-17 Sharp Corp Operational tone quality control circuit
US4352962A (en) 1980-06-27 1982-10-05 Reliance Electric Company Tone responsive disabling circuit
US4354160A (en) 1980-07-01 1982-10-12 Kentrox Industries, Inc. Amplitude equalizer
US4457014A (en) 1980-10-03 1984-06-26 Metme Communications Signal transfer and system utilizing transmission lines
US4342985A (en) 1980-10-03 1982-08-03 Firecom, Inc. Remote sensing and control system
CA1180141A (en) 1980-11-15 1984-12-27 Kenzo Takahashi Echo canceller system
US4592068A (en) 1980-12-23 1986-05-27 International Standard Electric Corporation Repeater for a digital transmission system
DE3120639C2 (de) 1981-05-23 1986-10-23 ANT Nachrichtentechnik GmbH, 7150 Backnang Anordnung zur adaptiven Löschung von Sprecherechos
JPS583430A (ja) 1981-06-30 1983-01-10 Nec Corp まわり込信号抑圧装置
US4464545A (en) 1981-07-13 1984-08-07 Bell Telephone Laboratories, Incorporated Echo canceller
US4536888A (en) 1981-08-21 1985-08-20 Plantronics, Inc. Voice communication instrument system with line-powered receiver conditioning circuit
FR2512300A1 (fr) 1981-08-25 1983-03-04 Lignes Telegraph Telephon Systeme de transmission numerique a l'alternat a niveaux optimises
ATE15563T1 (de) 1981-09-24 1985-09-15 Gretag Ag Verfahren und vorrichtung zur redundanzvermindernden digitalen sprachverarbeitung.
SE8205841L (sv) 1981-10-23 1983-04-24 Western Electric Co Ekoeliminator
SE8205839L (sv) 1981-10-23 1983-04-24 Western Electric Co Ekoeliminator
SE8205840L (sv) 1981-10-23 1983-04-24 Western Electric Co Ekoeliminator
GB2111354B (en) 1981-11-19 1985-06-19 Standard Telephones Cables Ltd Echo canceller
US4468804A (en) 1982-02-26 1984-08-28 Signatron, Inc. Speech enhancement techniques
US4490843A (en) 1982-06-14 1984-12-25 Bose Corporation Dynamic equalizing
US4644108A (en) 1982-10-27 1987-02-17 International Business Machines Corporation Adaptive sub-band echo suppressor
US4506237A (en) 1982-11-30 1985-03-19 Rockwell International Corporation Adjustable slope equalizer
US4628156A (en) 1982-12-27 1986-12-09 International Business Machines Corporation Canceller trained echo suppressor
US5034984A (en) 1983-02-14 1991-07-23 Bose Corporation Speed-controlled amplifying
US4652703A (en) 1983-03-01 1987-03-24 Racal Data Communications Inc. Digital voice transmission having improved echo suppression
DE3308321A1 (de) 1983-03-09 1984-09-13 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren und schaltungsanordnung zum korrigieren von linearen daempfungsverzerrungen in uebertragungskanaelen von fernmelde-vermittlungsstellen
US4542265A (en) 1983-05-20 1985-09-17 Gte Lenkurt Incorporated Echo canceller dynamic range extension
US4535445A (en) 1983-06-16 1985-08-13 At&T Information Systems Conferencing system adaptive signal conditioner
JPS605634A (ja) 1983-06-24 1985-01-12 Nec Corp エコ−キヤンセラ
LU85402A1 (de) 1983-12-01 1984-09-11 Siemens Ag Verfahren und schaltungsanordnung zur kompensation von uebersprech-u./o.echosignalen
US4747132A (en) 1984-04-09 1988-05-24 Matsushita Electric Industrial Co., Ltd. Howling canceller
US4609787A (en) 1984-05-21 1986-09-02 Communications Satellite Corporation Echo canceller with extended frequency range
US4628157A (en) 1984-09-07 1986-12-09 At&T Bell Laboratories Bidirectional adaptive voice frequency repeater
GB8423017D0 (en) 1984-09-12 1984-10-17 Plessey Co Plc Echo canceller
US4731834A (en) 1984-10-01 1988-03-15 American Telephone And Telegraph Company, At&T Bell Laboratories Adaptive filter including signal path compensation
US4682358A (en) 1984-12-04 1987-07-21 American Telephone And Telegraph Company Echo canceller
US4665383A (en) 1985-04-22 1987-05-12 Firecom, Inc. Security system with monitoring and warning circuits
IT1184949B (it) 1985-05-14 1987-10-28 Sip Perfezionamento ai sistemi per la trasmissione numerica bidirezionale con cancellazione d eco
US4809338A (en) 1985-07-05 1989-02-28 Harman International Industries, Incorporated Automotive sound system
US4638298A (en) 1985-07-16 1987-01-20 Telautograph Corporation Communication system having message repeating terminals
US4879748A (en) 1985-08-28 1989-11-07 American Telephone And Telegraph Company Parallel processing pitch detector
JPH0746788B2 (ja) 1985-11-05 1995-05-17 日本電気株式会社 自動線路等化器
US4882749A (en) 1986-01-09 1989-11-21 Harris Semiconductor (Patents) Inc. Control of signal transmission
US4853581A (en) 1986-02-10 1989-08-01 Photo Redux Corp. Radiation-emitting devices
FR2597690B1 (fr) 1986-04-22 1988-06-10 Trt Telecom Radio Electr Appareil de detection et de discrimination de sauts de phase dans un signal periodique et application a un signal telephonique de tonalite avec inversions de phase.
NL8601712A (nl) 1986-07-01 1988-02-01 Koninkl Philips Electronics Nv Communicatienetwerk, in het bijzonder een telefoonnetwerk en datacommunicatienetwerk dat is samengesteld uit een verzameling van knooppuntseenheden, waarbij specifieke faciliteiten binnen naar keuze vastgestelde domeinen, volledig geintegreerd kunnen worden geboden.
DE3629596A1 (de) 1986-08-30 1988-03-03 Standard Elektrik Lorenz Ag Schaltungsanordnung zur entkopplung der uebertragungszweige einer freisprecheinrichtung
US4894820A (en) * 1987-03-24 1990-01-16 Oki Electric Industry Co., Ltd. Double-talk detection in an echo canceller
IT1211194B (it) 1987-07-10 1989-10-12 Olivetti & Co Spa Sistema di misura e compensazione automatica delle distorsioni di un collegamento tra un apparecchio telefonico e un unita centrale di trattamento voce
DE3728109C1 (de) 1987-08-22 1989-03-16 Telefonbau & Normalzeit Gmbh Verfahren fuer die sprachgesteuerte Daempfungsregelung in Fernsprechuebertragungskreisen
US4879746A (en) 1987-12-30 1989-11-07 Plantronics, Inc. Voice communication link interface apparatus
CA1315356C (en) * 1988-07-20 1993-03-30 Seiji Miyoshi Digital adaptive filter and method of convergence therein
US4969144A (en) 1989-01-03 1990-11-06 Universal Data Systems, Inc. Adaptive passband echo canceller
JP3085676B2 (ja) 1989-10-30 2000-09-11 株式会社東芝 電話装置
US5280473A (en) 1990-02-08 1994-01-18 Universal Data Systems, Inc. Modem with echo cancellation
NL9001016A (nl) 1990-04-27 1991-11-18 Philips Nv Digitale echocompensator met een dubbelspraakdetector.
JP3158414B2 (ja) 1990-06-25 2001-04-23 日本電気株式会社 エコーキャンセラ
US5195132B1 (en) 1990-12-03 1996-03-19 At & T Bell Lab Telephone network speech signal enhancement
US5206902A (en) 1991-04-01 1993-04-27 At&T Bell Laboratories Network signaling arrangement for controlling tandem network functions
EP0530423B1 (en) 1991-09-06 1996-12-11 International Business Machines Corporation Adaptive echo cancellation method and device for implementing said method
US5280525A (en) 1991-09-27 1994-01-18 At&T Bell Laboratories Adaptive frequency dependent compensation for telecommunications channels
US5388185A (en) 1991-09-30 1995-02-07 U S West Advanced Technologies, Inc. System for adaptive processing of telephone voice signals
US5317596A (en) 1992-12-01 1994-05-31 The Board Of Trustees Of The Leland Stanford, Junior University Method and apparatus for echo cancellation with discrete multitone modulation
US5351031A (en) * 1993-02-16 1994-09-27 The Grass Valley Group, Inc. Non-linear slew rate limiter

Also Published As

Publication number Publication date
JPH09506220A (ja) 1997-06-17
TW321763B (sv) 1997-12-01
EP0732024A1 (en) 1996-09-18
US5592545A (en) 1997-01-07
PL175383B1 (pl) 1998-12-31
RU2142675C1 (ru) 1999-12-10
KR100268319B1 (ko) 2000-10-16
KR960706738A (ko) 1996-12-09
AU6482298A (en) 1998-07-02
CA2177266A1 (en) 1995-06-08
AU690603B2 (en) 1998-04-30
JP3032811B2 (ja) 2000-04-17
BR9408202A (pt) 1997-08-26
ZA949489B (en) 1995-08-14
FI962305A (sv) 1996-05-31
US5471527A (en) 1995-11-28
AU1101895A (en) 1995-06-19
CN1149373A (zh) 1997-05-07
WO1995015643A1 (en) 1995-06-08
CA2177266C (en) 2000-02-01
PL314880A1 (en) 1996-09-30

Similar Documents

Publication Publication Date Title
FI962305A0 (sv) Förfarande och anordning för ljudförbättring
FI964975A0 (sv) Förfarande och anordning för talkodning
FI971827A (sv) Förfarande och anordning för kanalvärdering
KR950702360A (ko) 주파수 선택 방법 및 장치(Frequency Selection Method and Apparatus)
FI954527A0 (sv) Förfarande och anordning för identifiering av talare
FI940870A (sv) Rengöringsförfarande och -anordning
FI964330A (sv) Förfarande och anordning för trapphissar
FI963476A0 (sv) Förfarande och anordning för att förhindra agglomeration
FI971521A0 (sv) Förfarande och anordning för talidentifiering
FI941414A0 (sv) Förfarande och anordning för framställning av bioproteiner
FI930864A0 (sv) Förfarande och anordning för framställning av järn
FI963491A (sv) Förfarande och anordning för reduktion av kvantiseringsbrus
FI954769A (sv) Förfarande och anordning för processkontroll
FI944122A0 (sv) Förfarande och anordning för att utföra såning
FI961424A (sv) Förfarande och anordning för håromväxt
FI951194A0 (sv) Förfarande och anordning för skjutövning
FI102360B1 (sv) Förfarande och anordning för skärning av trä
SE9304367D0 (sv) Sätt och anordning för omhändertagande av avfall
SE9304354D0 (sv) Förfarande och anordning för positionsbestämning
SE9302967D0 (sv) Sätt och anordning för alstring av no
SE9302053L (sv) Förfarande och anordning för kompostering
SE9402863D0 (sv) Förfarande och anordning för identifiering av ljud
SE9302828D0 (sv) Sätt och anordning för framställning av ledningar
SE9501449D0 (sv) Sätt och anordning för behandling av stammar
SE9401599L (sv) Förfarande och anordning för materialdetektering

Legal Events

Date Code Title Description
FD Application lapsed