[go: up one dir, main page]

FI952336A0 - Anordning och förfarande för att digitalisera tal - Google Patents

Anordning och förfarande för att digitalisera tal

Info

Publication number
FI952336A0
FI952336A0 FI952336A FI952336A FI952336A0 FI 952336 A0 FI952336 A0 FI 952336A0 FI 952336 A FI952336 A FI 952336A FI 952336 A FI952336 A FI 952336A FI 952336 A0 FI952336 A0 FI 952336A0
Authority
FI
Finland
Prior art keywords
digitizing speech
digitizing
speech
Prior art date
Application number
FI952336A
Other languages
English (en)
Finnish (fi)
Other versions
FI952336A (sv
Inventor
Paul W Dent
Original Assignee
Ericsson Ge Mobile Communicat
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 Ericsson Ge Mobile Communicat filed Critical Ericsson Ge Mobile Communicat
Publication of FI952336A0 publication Critical patent/FI952336A0/sv
Publication of FI952336A publication Critical patent/FI952336A/sv

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/02—Delta modulation, i.e. one-bit differential modulation
    • H03M3/022—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM]
    • H03M3/024—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM] using syllabic companding, e.g. continuously variable slope delta modulation [CVSD]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/54—Balanced modulators, e.g. bridge type, ring type or double balanced type
    • H03C1/542—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
    • H03H1/02—RC networks, e.g. filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
    • H04B1/0014—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage using DSP [Digital Signal Processor] quadrature modulation and demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
    • H04B1/0021—Decimation, i.e. data rate reduction techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0028—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage
    • H04B1/0039—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage using DSP [Digital Signal Processor] quadrature modulation and demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • H04L27/2064—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers using microwave technology

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
FI952336A 1993-09-14 1995-05-12 Anordning och förfarande för att digitalisera tal FI952336A (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/120,426 US5727023A (en) 1992-10-27 1993-09-14 Apparatus for and method of speech digitizing
PCT/US1994/010274 WO1995008241A2 (en) 1993-09-14 1994-09-13 Apparatus for and method of speech digitizing

Publications (2)

Publication Number Publication Date
FI952336A0 true FI952336A0 (sv) 1995-05-12
FI952336A FI952336A (sv) 1995-07-10

Family

ID=22390209

Family Applications (1)

Application Number Title Priority Date Filing Date
FI952336A FI952336A (sv) 1993-09-14 1995-05-12 Anordning och förfarande för att digitalisera tal

Country Status (13)

Country Link
US (1) US5727023A (sv)
EP (1) EP0673576A4 (sv)
JP (1) JPH08506952A (sv)
KR (1) KR100313079B1 (sv)
CN (1) CN1051422C (sv)
AU (1) AU689500B2 (sv)
BR (1) BR9405591A (sv)
CA (1) CA2149214A1 (sv)
FI (1) FI952336A (sv)
NZ (1) NZ273817A (sv)
RU (1) RU2159505C2 (sv)
SG (1) SG43137A1 (sv)
WO (1) WO1995008241A2 (sv)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6067363A (en) * 1996-06-03 2000-05-23 Ericsson Inc. Audio A/D convertor using frequency modulation
US6278722B1 (en) * 1998-02-25 2001-08-21 Lucent Technologies Inc. Architecture for a digital portable telephone
US6518903B1 (en) * 2000-01-06 2003-02-11 International Business Machines Corporation Analog-to-digital converter
US6452524B1 (en) 2001-02-08 2002-09-17 Ericsson Inc. Delta sigma converter incorporating a multiplier
TW557633B (en) * 2001-10-30 2003-10-11 Faraday Tech Corp Noise-reduction circuit capable of adjusting input level
JP3807381B2 (ja) * 2003-03-05 2006-08-09 セイコーエプソン株式会社 Ａ／ｄ変換回路、温度センサ回路、集積回路、及び温度センサ回路の調整方法
GB0307752D0 (en) * 2003-04-03 2003-05-07 Seiko Epson Corp Apparatus for algebraic codebook search
GB2402006B (en) * 2003-05-23 2005-08-10 Motorola Inc Analog to digital converter
US7376192B2 (en) * 2004-07-22 2008-05-20 Telefonaktiebolaget L M Ericsson (Publ) Delta modulation for channel feedback in transmit diversity wireless communication systems
US7119727B2 (en) * 2004-10-25 2006-10-10 Atmel Corporation Analog-to-digital converter
US20080287104A1 (en) * 2004-11-30 2008-11-20 Telefonaktiebolaget Lm Ericsson (Publ) Method for Smm Capability Distribution
US7084790B2 (en) * 2004-12-07 2006-08-01 Stmicroelectronics S.R.L. Device to effectuate a digital estimate of a periodic electric signal, related method and control system for an electric motor which comprises said device
US7403153B2 (en) * 2004-12-15 2008-07-22 Valeo Raytheon Systems, Inc. System and method for reducing a radar interference signal
US7683827B2 (en) * 2004-12-15 2010-03-23 Valeo Radar Systems, Inc. System and method for reducing the effect of a radar interference signal
US7038608B1 (en) * 2004-12-16 2006-05-02 Valeo Raytheon Systems, Inc. Digital to analog converter
US7603097B2 (en) * 2004-12-30 2009-10-13 Valeo Radar Systems, Inc. Vehicle radar sensor assembly
US7680464B2 (en) * 2004-12-30 2010-03-16 Valeo Radar Systems, Inc. Waveguide—printed wiring board (PWB) interconnection
US7248215B2 (en) * 2004-12-30 2007-07-24 Valeo Raytheon Systems, Inc Beam architecture for improving angular resolution
US20070152869A1 (en) * 2005-12-30 2007-07-05 Woodington Walter G Multichannel processing of signals in a radar system
US7345619B2 (en) * 2005-12-30 2008-03-18 Valeo Raytheon Systems, Inc. Generating event signals in a radar system
US20070152872A1 (en) * 2005-12-30 2007-07-05 Woodington Walter G Reducing undesirable coupling of signal(s) between two or more signal paths in a radar system
US20070156799A1 (en) * 2005-12-30 2007-07-05 Gilbert Michael J Multi-stage finite impulse response filter processing
US20100238066A1 (en) * 2005-12-30 2010-09-23 Valeo Raytheon Systems, Inc. Method and system for generating a target alert
US7336219B1 (en) 2005-12-30 2008-02-26 Valeo Raytheon Systems, Inc. System and method for generating a radar detection threshold
US7400290B2 (en) * 2005-12-30 2008-07-15 Valeo Raytheon Systems, Inc. Vehicle radar system having multiple operating modes
US20070152874A1 (en) * 2005-12-30 2007-07-05 Woodington Walter G Reducing undesirable coupling of signal(s) between two or more signal paths in a radar system
US7379018B1 (en) 2005-12-30 2008-05-27 Valeo Raytheon Systems, Inc. System and method for verifying a radar detection
US20080001809A1 (en) * 2006-06-30 2008-01-03 Walter Gordon Woodington Detecting signal interference in a vehicle system
US8111179B2 (en) * 2006-07-21 2012-02-07 Gentex Corporation Method and system for reducing signal distortion in a continuously variable slope delta modulation scheme
FR2911737B1 (fr) * 2007-01-23 2009-03-27 Ulis Soc Par Actions Simplifie Procede pour numeriser une grandeur analogique, dispositif de numerisation mettant en oeuvre ce procede et detecteur de rayonnements electromagnetiques integrant un tel dispositif
CN101051875B (zh) * 2007-05-24 2011-12-07 北京宇东科技发展有限公司 一种用于产生验证标准无线接收机性能的信号的方法及其装置
CN102013878B (zh) * 2010-09-21 2014-01-15 上海大学 基于时序逻辑电路和运算放大器的自适应增量调制系统
TW201218644A (en) * 2010-10-26 2012-05-01 Ping-Ying Wang Voltage converter
KR101403376B1 (ko) * 2011-05-20 2014-06-03 삼성탈레스 주식회사 음성 타합선 성능 개선 장치 및 방법
CN107786484B (zh) * 2011-06-10 2021-02-09 技术研究及发展基金公司 接收机、发射机以及用于数字多子频带处理的方法
JP5449290B2 (ja) * 2011-10-07 2014-03-19 キヤノン株式会社 ランプ信号出力回路、アナログデジタル変換回路、撮像装置、ランプ信号出力回路の駆動方法
US9653796B2 (en) 2013-12-16 2017-05-16 Valeo Radar Systems, Inc. Structure and technique for antenna decoupling in a vehicle mounted sensor
EP2966778B1 (en) * 2014-07-11 2016-11-09 The Swatch Group Research and Development Ltd. Digital interpolator and method of interpolating
RU2628261C2 (ru) * 2014-12-24 2017-08-15 Федеральное государственное бюджетное учреждение науки "Морской гидрофизический институт РАН" Способ адаптивного аналого-цифрового преобразования и устройство для его осуществления
US10284222B1 (en) * 2018-02-09 2019-05-07 Texas Instruments Incorporated Delta-sigma converter with pre-charging based on quantizer output code
CN111900987A (zh) * 2020-07-24 2020-11-06 宁波核芯光电科技有限公司 一种可编程自校准单积分型模数转换电路

Family Cites Families (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2967992A (en) * 1954-06-15 1961-01-10 Philips Corp Signal expansion device
DE1912218A1 (de) * 1968-05-17 1969-10-02 Ames Automobielbedrijf N V Schlafstelle fuer Automobile
US3706944A (en) * 1970-12-02 1972-12-19 Bell Telephone Labor Inc Discrete adaptive delta modulator
US3906166A (en) * 1973-10-17 1975-09-16 Motorola Inc Radio telephone system
US4042921A (en) * 1973-12-11 1977-08-16 L.M. Ericsson Pty Ltd. Digital encoder/decoder
US3949299A (en) * 1974-11-05 1976-04-06 North Electric Company Signal coding for telephone communication system
US4123709A (en) * 1977-01-24 1978-10-31 Canadian Patents And Development Limited Adaptive digital delta modulation for voice transmission
NL7801909A (nl) * 1978-02-21 1979-08-23 Philips Nv Inrichting voor het decoderen van een met adap- tieve deltamodulatie gecodeerd signaal.
JPS5648732A (en) * 1979-09-28 1981-05-02 Nec Corp Radio equipment
US4400585A (en) * 1979-11-30 1983-08-23 Motorola, Inc. Method and apparatus for automatically attempting to seize a radio channel in a multichannel communication system
US4352191A (en) * 1980-05-19 1982-09-28 Un Chong K Hybrid companding delta modulation system
DE3044765A1 (de) * 1980-11-27 1982-07-08 Siemens AG, 1000 Berlin und 8000 München Differenz-digitalmodulations- bzw. -demodulationssystem mit anlogsignalabhaengigem abtasttakt
JPS57146297A (en) * 1981-03-04 1982-09-09 Nippon Electric Co Voice processor
US4411002A (en) * 1981-09-29 1983-10-18 Magnavox Government And Industrial Electronics Company Method and apparatus for a continuously variable slope delta range extender
US4493091A (en) * 1982-05-05 1985-01-08 Dolby Laboratories Licensing Corporation Analog and digital signal apparatus
US4541103A (en) * 1983-02-22 1985-09-10 American Microsystems, Inc. Digitally controlled syllabic filter for a delta modulator
JPS6046139A (ja) * 1983-08-24 1985-03-12 Nippon Telegr & Teleph Corp <Ntt> コンパンダ回路
US4700362A (en) * 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation A-D encoder and D-A decoder system
US4713808A (en) * 1985-11-27 1987-12-15 A T & E Corporation Watch pager system and communication protocol
US4783644A (en) * 1985-04-11 1988-11-08 Amdahl Corporation Continuously variable slope delta modulation using digital vector for slope control
DE3611301C2 (de) * 1986-04-04 1997-09-25 Philips Patentverwaltung Mobilfunksystem mit Nachrichtenübertragungskanal und Organisationskanal
JPS6333021A (ja) * 1986-07-26 1988-02-12 Nec Corp 携帯無線電話機
US4825448A (en) * 1986-08-07 1989-04-25 International Mobile Machines Corporation Subscriber unit for wireless digital telephone system
US4750198A (en) * 1986-12-12 1988-06-07 Astronet Corporation/Plessey U.K. Cellular radiotelephone system providing diverse separately-accessible groups of channels
CA1282837C (en) * 1987-03-20 1991-04-09 Tetsuya Hanawa Apparatus for selecting control channel in mobile communication system
US5029233A (en) * 1987-10-09 1991-07-02 Motorola, Inc. Radio arrangement having two radios sharing circuitry
US4857915A (en) * 1987-10-20 1989-08-15 Telefind Corp. Paging receiver with paging receiver identification code digits transmitted in order of increasing significance
US4835792A (en) * 1988-01-25 1989-05-30 California Institute Of Technology Universal FM receiver for mobile communications
GB8804811D0 (en) * 1988-03-01 1988-03-30 Shaye Communications Ltd Waveform encoder/decoder
SE463540B (sv) * 1988-09-19 1990-12-03 Ericsson Telefon Ab L M Saett foer att i ett radiokommunikationssystem digitalisera godtyckliga radiosignaler samt anordning foer utoevande av saettet
US4989230A (en) * 1988-09-23 1991-01-29 Motorola, Inc. Cellular cordless telephone
US5008925A (en) * 1989-12-20 1991-04-16 Motorola, Inc. Cellular telephone responsive to service availability for operating on different cellular telephone systems
US5020093A (en) * 1989-06-23 1991-05-28 Motorola, Inc. Cellular telephone operable on different cellular telephone systems
SE500157C2 (sv) * 1989-09-13 1994-04-25 Ericsson Telefon Ab L M Förfarande för att välja basstation, radiokanal och tidslucka vid en mobilstation
SE464902B (sv) * 1989-10-24 1991-06-24 Ericsson Telefon Ab L M Foerfarande att adaptera en viterbialgoritm till en kanal med skiftande oeverfoeringsegenskaper samt en anordning foer genomfoerande av foerfarandet
US5079550A (en) * 1989-10-27 1992-01-07 Crystal Semiconductor Corporation Combining continuous time and discrete time signal processing in a delta-sigma modulator
US5084669A (en) * 1990-03-08 1992-01-28 Telefonaktiebolaget L M Ericsson Direct phase digitization
DE69127491T2 (de) * 1990-04-05 1998-01-08 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Digitaler Requantifizierer unter Verwendung von mehrstufigen Rauschformern
US5119397A (en) * 1990-04-26 1992-06-02 Telefonaktiebolaget L M Ericsson Combined analog and digital cellular telephone system having a secondary set of control channels
US5020076A (en) * 1990-05-21 1991-05-28 Motorola, Inc. Hybrid modulation apparatus
US5163159A (en) * 1990-07-30 1992-11-10 Motorola, Inc. Dual mode automatic frequency control
JP2749456B2 (ja) * 1991-03-06 1998-05-13 三菱電機株式会社 無線通信機
US5220275A (en) * 1991-07-26 1993-06-15 Ericsson Ge Mobile Communication Holding, Inc. Accumulator phase digitizer
US5189593A (en) * 1991-11-04 1993-02-23 Motorola, Inc. Integrated distributed resistive-capacitive network
US5745523A (en) * 1992-10-27 1998-04-28 Ericsson Inc. Multi-mode signal processing

Also Published As

Publication number Publication date
EP0673576A4 (en) 1998-04-22
SG43137A1 (en) 1997-10-17
WO1995008241A3 (en) 1995-04-13
CN1051422C (zh) 2000-04-12
AU7726294A (en) 1995-04-03
NZ273817A (en) 1997-05-26
EP0673576A1 (en) 1995-09-27
RU2159505C2 (ru) 2000-11-20
JPH08506952A (ja) 1996-07-23
CA2149214A1 (en) 1995-03-23
WO1995008241A2 (en) 1995-03-23
CN1115591A (zh) 1996-01-24
US5727023A (en) 1998-03-10
BR9405591A (pt) 1999-09-08
AU689500B2 (en) 1998-04-02
FI952336A (sv) 1995-07-10
KR100313079B1 (ko) 2001-12-28

Similar Documents

Publication Publication Date Title
FI952336A0 (sv) Anordning och förfarande för att digitalisera tal
FI973378A0 (sv) Anordning och förfarande
FI955980A0 (sv) Förfarande och anordning för omordning
KR970700962A (ko) 멀티유저-간섭 감소 장치 및 방법과 코드분할 다중 액세스 통신 시스템(method and apparatus for multiuser-interference reduction)
FI951458A0 (sv) Förfarande och anordning för framställning av bokpärmar
FI954622A0 (sv) Förfarande och anordning för gruppkodning av signaler
DE69404128D1 (de) Abbildungsverfahren und -apparat
FI944956A (sv) Anordning och förfarande för generering av signaler
FI940870A (sv) Rengöringsförfarande och -anordning
FI114247B (sv) Förfarande och anordning för taligenkänning
EE9900247A (et) Arvutamiseks kasutatav meetod ja aparatuur
KR950702050A (ko) 자료 세트 비교장치 및 그 방법(method and apparatus for comparing data sets)
FI101177B1 (sv) Förfarande och apparatur för provtagning
FI941414A (sv) Förfarande och anordning för framställning av bioproteiner
FI932159A (sv) Förfarande och anläggning för att ta prov
NO179526C (no) Fremgangsmåte og anordning for sammenföyning
FI953687A0 (sv) Förfarande och anordning för framställning av produkter
FI932536A0 (sv) Förfarande och anläggning för böjning av massivträ
FI934698A (sv) Foerfarande och anordning foer framstaellning av rostfritt staol
FI954769A0 (sv) Förfarande och anordning för processkontroll
DE69418843D1 (de) Bilderzeugungsverfahren und -vorrichtung
FI961424A0 (sv) Förfarande och anordning för håromväxt
EP0449043A3 (en) Method and apparatus for speech digitizing
FI934975A (sv) Anordning och foerfarande foer foerbaettrande av lokalisering
EP0450367A3 (en) Speech analysis method and apparatus