IL102146A - Vocoder with variable rate - method and device for compressing signals - Google Patents

Vocoder with variable rate - method and device for compressing signals

Info

Publication number
IL102146A
IL102146A IL10214692A IL10214692A IL102146A IL 102146 A IL102146 A IL 102146A IL 10214692 A IL10214692 A IL 10214692A IL 10214692 A IL10214692 A IL 10214692A IL 102146 A IL102146 A IL 102146A
Authority
IL
Israel
Prior art keywords
rate
frame
speech
bits
pitch
Prior art date
Application number
IL10214692A
Other languages
English (en)
Hebrew (he)
Original Assignee
Qualcomm 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24866989&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IL102146(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Priority to IL11398692A priority Critical patent/IL113986A/en
Priority to IL11398892A priority patent/IL113988A/en
Priority to IL11398792A priority patent/IL113987A/en
Publication of IL102146A publication Critical patent/IL102146A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/012—Comfort noise or silence coding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • 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
    • H04B1/66—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 for reducing bandwidth of signals; for improving efficiency of transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1682—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers
    • H04J3/1688—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers the demands of the users being taken into account after redundancy removal, e.g. by predictive coding, by variable sampling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0014—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the source coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0046—Code rate detection or code type detection
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • G10L2025/783—Detection of presence or absence of voice signals based on threshold decision
    • G10L2025/786—Adaptive threshold

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Amplifiers (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Luminescent Compositions (AREA)
  • Dc Digital Transmission (AREA)
  • Inorganic Insulating Materials (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Endoscopes (AREA)
  • Magnetic Record Carriers (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Table Devices Or Equipment (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Noise Elimination (AREA)
IL10214692A 1991-06-11 1992-06-09 Vocoder with variable rate - method and device for compressing signals IL102146A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IL11398692A IL113986A (en) 1991-06-11 1992-06-09 Vocoder with variable-gloomy rate and method for acoustic signal coding
IL11398892A IL113988A (en) 1991-06-11 1992-06-09 Vocoder with variable rate - a method and instrument for measuring the degree of speech activity
IL11398792A IL113987A (en) 1991-06-11 1992-06-09 Vocoder with variable-decoder rate and method for decoding acoustic signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71366191A 1991-06-11 1991-06-11

Publications (1)

Publication Number Publication Date
IL102146A true IL102146A (en) 1996-03-31

Family

ID=24866989

Family Applications (4)

Application Number Title Priority Date Filing Date
IL11398692A IL113986A (en) 1991-06-11 1992-06-09 Vocoder with variable-gloomy rate and method for acoustic signal coding
IL11398792A IL113987A (en) 1991-06-11 1992-06-09 Vocoder with variable-decoder rate and method for decoding acoustic signal
IL10214692A IL102146A (en) 1991-06-11 1992-06-09 Vocoder with variable rate - method and device for compressing signals
IL11398892A IL113988A (en) 1991-06-11 1992-06-09 Vocoder with variable rate - a method and instrument for measuring the degree of speech activity

Family Applications Before (2)

Application Number Title Priority Date Filing Date
IL11398692A IL113986A (en) 1991-06-11 1992-06-09 Vocoder with variable-gloomy rate and method for acoustic signal coding
IL11398792A IL113987A (en) 1991-06-11 1992-06-09 Vocoder with variable-decoder rate and method for decoding acoustic signal

Family Applications After (1)

Application Number Title Priority Date Filing Date
IL11398892A IL113988A (en) 1991-06-11 1992-06-09 Vocoder with variable rate - a method and instrument for measuring the degree of speech activity

Country Status (21)

Country Link
US (3) US5414796A (ru)
EP (8) EP1162601A3 (ru)
JP (7) JP3432822B2 (ru)
CN (8) CN1220334C (ru)
AT (4) ATE477571T1 (ru)
AU (3) AU671952B2 (ru)
BR (1) BR9206143A (ru)
CA (6) CA2483296C (ru)
DE (4) DE69232202T2 (ru)
DK (2) DK0588932T3 (ru)
ES (4) ES2240252T3 (ru)
FI (5) FI120425B (ru)
HK (3) HK1014796A1 (ru)
HU (1) HU215861B (ru)
IL (4) IL113986A (ru)
MX (1) MX9202808A (ru)
NO (1) NO319559B1 (ru)
RU (1) RU2107951C1 (ru)
SG (1) SG70558A1 (ru)
WO (1) WO1992022891A1 (ru)
ZA (1) ZA924082B (ru)

Families Citing this family (500)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010050943A1 (en) * 1989-08-03 2001-12-13 Mahany Ronald L. Radio frequency communication network having adaptive communication parameters
US7606575B2 (en) 1988-08-04 2009-10-20 Broadcom Corporation Remote radio data communication system with data rate switching
US6693951B1 (en) 1990-06-25 2004-02-17 Qualcomm Incorporated System and method for generating signal waveforms in a CDMA cellular telephone system
DE69232202T2 (de) * 1991-06-11 2002-07-25 Qualcomm, Inc. Vocoder mit veraendlicher bitrate
AU3274593A (en) * 1991-12-13 1993-07-19 Avid Technology, Inc. Quantization table adjustment
US5355450A (en) * 1992-04-10 1994-10-11 Avid Technology, Inc. Media composer with adjustable source material compression
SE469764B (sv) * 1992-01-27 1993-09-06 Ericsson Telefon Ab L M Saett att koda en samplad talsignalvektor
TW224191B (ru) * 1992-01-28 1994-05-21 Qualcomm Inc
CA2105269C (en) * 1992-10-09 1998-08-25 Yair Shoham Time-frequency interpolation with application to low rate speech coding
FI95086C (fi) * 1992-11-26 1995-12-11 Nokia Mobile Phones Ltd Menetelmä puhesignaalin tehokkaaksi koodaamiseksi
US5812534A (en) 1993-01-08 1998-09-22 Multi-Tech Systems, Inc. Voice over data conferencing for a computer-based personal communications system
US5546395A (en) 1993-01-08 1996-08-13 Multi-Tech Systems, Inc. Dynamic selection of compression rate for a voice compression algorithm in a voice over data modem
US5617423A (en) 1993-01-08 1997-04-01 Multi-Tech Systems, Inc. Voice over data modem with selectable voice compression
US5754589A (en) 1993-01-08 1998-05-19 Multi-Tech Systems, Inc. Noncompressed voice and data communication over modem for a computer-based multifunction personal communications system
US5452289A (en) 1993-01-08 1995-09-19 Multi-Tech Systems, Inc. Computer-based multifunction personal communications system
US5535204A (en) 1993-01-08 1996-07-09 Multi-Tech Systems, Inc. Ringdown and ringback signalling for a computer-based multifunction personal communications system
US5864560A (en) 1993-01-08 1999-01-26 Multi-Tech Systems, Inc. Method and apparatus for mode switching in a voice over data computer-based personal communications system
US5453986A (en) 1993-01-08 1995-09-26 Multi-Tech Systems, Inc. Dual port interface for a computer-based multifunction personal communication system
US6009082A (en) 1993-01-08 1999-12-28 Multi-Tech Systems, Inc. Computer-based multifunction personal communication system with caller ID
US5657423A (en) * 1993-02-22 1997-08-12 Texas Instruments Incorporated Hardware filter circuit and address circuitry for MPEG encoded data
EP0694241A4 (en) * 1993-04-16 1996-05-29 Data Translation Inc ADAPTIVE VIDEO COMPRESSION
CA2160568A1 (en) * 1993-04-16 1994-10-27 James M. Hardiman Adaptive video compression using variable quantization
FI96248C (fi) * 1993-05-06 1996-05-27 Nokia Mobile Phones Ltd Menetelmä pitkän aikavälin synteesisuodattimen toteuttamiseksi sekä synteesisuodatin puhekoodereihin
US5659659A (en) * 1993-07-26 1997-08-19 Alaris, Inc. Speech compressor using trellis encoding and linear prediction
ZA946674B (en) * 1993-09-08 1995-05-02 Qualcomm Inc Method and apparatus for determining the transmission data rate in a multi-user communication system
US5649299A (en) * 1993-10-27 1997-07-15 Motorola, Inc. Apparatus and method for adapting a digital radiotelephone system to increased subscriber traffic
US6005856A (en) 1993-11-01 1999-12-21 Omnipoint Corporation Communication protocol for spread spectrum wireless communication system
US6088590A (en) 1993-11-01 2000-07-11 Omnipoint Corporation Method and system for mobile controlled handoff and link maintenance in spread spectrum communication
WO1995012945A1 (en) 1993-11-01 1995-05-11 Omnipoint Corporation Despreading/demodulating direct sequence spread spectrum signals
US6094575A (en) 1993-11-01 2000-07-25 Omnipoint Corporation Communication system and method
JP3182032B2 (ja) * 1993-12-10 2001-07-03 株式会社日立国際電気 音声符号化通信方式及びその装置
US5621852A (en) * 1993-12-14 1997-04-15 Interdigital Technology Corporation Efficient codebook structure for code excited linear prediction coding
US5784532A (en) * 1994-02-16 1998-07-21 Qualcomm Incorporated Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system
EP0702863B1 (en) * 1994-02-17 2004-10-20 Motorola, Inc. Method and apparatus for controlling encoding rate in a communication system
US5574825A (en) * 1994-03-14 1996-11-12 Lucent Technologies Inc. Linear prediction coefficient generation during frame erasure or packet loss
CA2142391C (en) * 1994-03-14 2001-05-29 Juin-Hwey Chen Computational complexity reduction during frame erasure or packet loss
US5615298A (en) * 1994-03-14 1997-03-25 Lucent Technologies Inc. Excitation signal synthesis during frame erasure or packet loss
US5682386A (en) 1994-04-19 1997-10-28 Multi-Tech Systems, Inc. Data/voice/fax compression multiplexer
US5757801A (en) 1994-04-19 1998-05-26 Multi-Tech Systems, Inc. Advanced priority statistical multiplexer
FI98162C (fi) * 1994-05-30 1997-04-25 Tecnomen Oy HMM-malliin perustuva puheentunnistusmenetelmä
US5602961A (en) * 1994-05-31 1997-02-11 Alaris, Inc. Method and apparatus for speech compression using multi-mode code excited linear predictive coding
US5638412A (en) 1994-06-15 1997-06-10 Qualcomm Incorporated Method for providing service and rate negotiation in a mobile communication system
US5603096A (en) * 1994-07-11 1997-02-11 Qualcomm Incorporated Reverse link, closed loop power control in a code division multiple access system
TW271524B (ru) * 1994-08-05 1996-03-01 Qualcomm Inc
US5742734A (en) * 1994-08-10 1998-04-21 Qualcomm Incorporated Encoding rate selection in a variable rate vocoder
US5832028A (en) 1994-09-09 1998-11-03 Omnipoint Corporation Method and apparatus for coherent serial correlation of a spread spectrum signal
US5953370A (en) 1994-09-09 1999-09-14 Omnipoint Corporation Apparatus for receiving and correlating a spread spectrum signal
US5659574A (en) 1994-09-09 1997-08-19 Omnipoint Corporation Multi-bit correlation of continuous phase modulated signals
US5754584A (en) 1994-09-09 1998-05-19 Omnipoint Corporation Non-coherent spread-spectrum continuous-phase modulation communication system
US5629956A (en) 1994-09-09 1997-05-13 Omnipoint Corporation Method and apparatus for reception and noncoherent serial correlation of a continuous phase modulated signal
US5856998A (en) 1994-09-09 1999-01-05 Omnipoint Corporation Method and apparatus for correlating a continuous phase modulated spread spectrum signal
US5627856A (en) 1994-09-09 1997-05-06 Omnipoint Corporation Method and apparatus for receiving and despreading a continuous phase-modulated spread spectrum signal using self-synchronizing correlators
US5680414A (en) 1994-09-09 1997-10-21 Omnipoint Corporation Synchronization apparatus and method for spread spectrum receiver
US5648982A (en) 1994-09-09 1997-07-15 Omnipoint Corporation Spread spectrum transmitter
US5881100A (en) 1994-09-09 1999-03-09 Omnipoint Corporation Method and apparatus for coherent correlation of a spread spectrum signal
US5610940A (en) 1994-09-09 1997-03-11 Omnipoint Corporation Method and apparatus for noncoherent reception and correlation of a continous phase modulated signal
US5963586A (en) 1994-09-09 1999-10-05 Omnipoint Corporation Method and apparatus for parallel noncoherent correlation of a spread spectrum signal
US5692007A (en) 1994-09-09 1997-11-25 Omnipoint Corporation Method and apparatus for differential phase encoding and decoding in spread-spectrum communication systems with continuous-phase modulation
US5757847A (en) 1994-09-09 1998-05-26 Omnipoint Corporation Method and apparatus for decoding a phase encoded signal
US5754585A (en) 1994-09-09 1998-05-19 Omnipoint Corporation Method and apparatus for serial noncoherent correlation of a spread spectrum signal
US6141353A (en) * 1994-09-15 2000-10-31 Oki Telecom, Inc. Subsequent frame variable data rate indication method for various variable data rate systems
US5537410A (en) * 1994-09-15 1996-07-16 Oki Telecom Subsequent frame variable data rate indication method
JPH08102687A (ja) * 1994-09-29 1996-04-16 Yamaha Corp 音声送受信方式
ATE213864T1 (de) * 1994-10-05 2002-03-15 Advanced Micro Devices Inc Vorrichtung und verfahren zur sprachsignalanalyse zur parameterbestimmung von sprachsignalmerkmalen
US5546448A (en) * 1994-11-10 1996-08-13 Multi-Tech Systems, Inc. Apparatus and method for a caller ID modem interface
US5781880A (en) * 1994-11-21 1998-07-14 Rockwell International Corporation Pitch lag estimation using frequency-domain lowpass filtering of the linear predictive coding (LPC) residual
JPH08179796A (ja) * 1994-12-21 1996-07-12 Sony Corp 音声符号化方法
FR2729246A1 (fr) * 1995-01-06 1996-07-12 Matra Communication Procede de codage de parole a analyse par synthese
US5784403A (en) * 1995-02-03 1998-07-21 Omnipoint Corporation Spread spectrum correlation using saw device
JP3303580B2 (ja) * 1995-02-23 2002-07-22 日本電気株式会社 音声符号化装置
US6292476B1 (en) 1997-04-16 2001-09-18 Qualcomm Inc. Method and apparatus for providing variable rate data in a communications system using non-orthogonal overflow channels
ZA961025B (en) * 1995-02-28 1996-07-16 Qualcomm Inc Method and apparatus for providing variable rate data in a communications system using non-orthogonal overflow channels
US5991725A (en) * 1995-03-07 1999-11-23 Advanced Micro Devices, Inc. System and method for enhanced speech quality in voice storage and retrieval systems
US5699478A (en) * 1995-03-10 1997-12-16 Lucent Technologies Inc. Frame erasure compensation technique
JPH08263099A (ja) * 1995-03-23 1996-10-11 Toshiba Corp 符号化装置
TW347616B (en) 1995-03-31 1998-12-11 Qualcomm Inc Method and apparatus for performing fast power control in a mobile communication system a method and apparatus for controlling transmission power in a mobile communication system is disclosed.
US6977967B1 (en) 1995-03-31 2005-12-20 Qualcomm Incorporated Method and apparatus for performing fast power control in a mobile communication system
US6137840A (en) * 1995-03-31 2000-10-24 Qualcomm Incorporated Method and apparatus for performing fast power control in a mobile communication system
US5548253A (en) * 1995-04-17 1996-08-20 Omnipoint Corporation Spectrally efficient quadrature amplitude modulator
US5508708A (en) * 1995-05-08 1996-04-16 Motorola, Inc. Method and apparatus for location finding in a CDMA system
JP2728122B2 (ja) * 1995-05-23 1998-03-18 日本電気株式会社 無音圧縮音声符号化復号化装置
US5689502A (en) * 1995-06-05 1997-11-18 Omnipoint Corporation Efficient frequency division duplex communication system with interleaved format and timing adjustment control
US5745484A (en) * 1995-06-05 1998-04-28 Omnipoint Corporation Efficient communication system using time division multiplexing and timing adjustment control
US6356607B1 (en) 1995-06-05 2002-03-12 Omnipoint Corporation Preamble code structure and detection method and apparatus
US5959980A (en) * 1995-06-05 1999-09-28 Omnipoint Corporation Timing adjustment control for efficient time division duplex communication
US5802046A (en) * 1995-06-05 1998-09-01 Omnipoint Corporation Efficient time division duplex communication system with interleaved format and timing adjustment control
US6526038B1 (en) * 1995-06-07 2003-02-25 Telcordia Technologies, Inc. Periodic wireless broadcast
GB9512284D0 (en) * 1995-06-16 1995-08-16 Nokia Mobile Phones Ltd Speech Synthesiser
US7020111B2 (en) 1996-06-27 2006-03-28 Interdigital Technology Corporation System for using rapid acquisition spreading codes for spread-spectrum communications
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US6885652B1 (en) 1995-06-30 2005-04-26 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
US7929498B2 (en) 1995-06-30 2011-04-19 Interdigital Technology Corporation Adaptive forward power control and adaptive reverse power control for spread-spectrum communications
FI100157B (fi) * 1995-07-12 1997-09-30 Nokia Mobile Phones Ltd Muuttuvanopeuksiset piirikytketyt siirtopalvelut TDMA-pohjaisissa solu kkojärjestelmissä
US6041046A (en) * 1995-07-14 2000-03-21 Omnipoint Corporation Cyclic time hopping in time division multiple access communication system
US5754733A (en) * 1995-08-01 1998-05-19 Qualcomm Incorporated Method and apparatus for generating and encoding line spectral square roots
FR2737948B1 (fr) * 1995-08-16 1997-10-17 Alcatel Mobile Comm France Dispositif de commande de volume sonore pour recepteur de signaux de parole codes par blocs
JP3522012B2 (ja) * 1995-08-23 2004-04-26 沖電気工業株式会社 コード励振線形予測符号化装置
CN1102003C (zh) * 1995-08-31 2003-02-19 Ntt移动通信网株式会社 有无音压缩控制功能的atm传输方法、系统、和装置
US5950164A (en) * 1995-09-29 1999-09-07 Olympus Optical Co., Ltd. Voice recording apparatus capable of displaying remaining recording capacity of memory according to encoding bit rates
JP4005154B2 (ja) * 1995-10-26 2007-11-07 ソニー株式会社 音声復号化方法及び装置
JP3680380B2 (ja) * 1995-10-26 2005-08-10 ソニー株式会社 音声符号化方法及び装置
JPH09152896A (ja) * 1995-11-30 1997-06-10 Oki Electric Ind Co Ltd 声道予測係数符号化・復号化回路、声道予測係数符号化回路、声道予測係数復号化回路、音声符号化装置及び音声復号化装置
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US5822721A (en) * 1995-12-22 1998-10-13 Iterated Systems, Inc. Method and apparatus for fractal-excited linear predictive coding of digital signals
US5737716A (en) * 1995-12-26 1998-04-07 Motorola Method and apparatus for encoding speech using neural network technology for speech classification
US5867763A (en) * 1996-02-08 1999-02-02 Qualcomm Incorporated Method and apparatus for integration of a wireless communication system with a cable T.V. system
US5839052A (en) * 1996-02-08 1998-11-17 Qualcom Incorporated Method and apparatus for integration of a wireless communication system with a cable television system
JPH09230896A (ja) * 1996-02-28 1997-09-05 Sony Corp 音声合成装置
US5754537A (en) * 1996-03-08 1998-05-19 Telefonaktiebolaget L M Ericsson (Publ) Method and system for transmitting background noise data
EP0886927B1 (en) * 1996-03-27 2006-06-07 Motorola, Inc. Method and apparatus for providing a multi-party speech connection for use in a wireless communication system
SE506341C2 (sv) * 1996-04-10 1997-12-08 Ericsson Telefon Ab L M Metod och anordning för rekonstruktion av en mottagen talsignal
GB2312360B (en) * 1996-04-12 2001-01-24 Olympus Optical Co Voice signal coding apparatus
US5708757A (en) * 1996-04-22 1998-01-13 France Telecom Method of determining parameters of a pitch synthesis filter in a speech coder, and speech coder implementing such method
US6205190B1 (en) 1996-04-29 2001-03-20 Qualcomm Inc. System and method for reducing interference generated by a CDMA communications device
US5937374A (en) * 1996-05-15 1999-08-10 Advanced Micro Devices, Inc. System and method for improved pitch estimation which performs first formant energy removal for a frame using coefficients from a prior frame
US6047254A (en) * 1996-05-15 2000-04-04 Advanced Micro Devices, Inc. System and method for determining a first formant analysis filter and prefiltering a speech signal for improved pitch estimation
JP3092652B2 (ja) * 1996-06-10 2000-09-25 日本電気株式会社 音声再生装置
US6744882B1 (en) 1996-07-23 2004-06-01 Qualcomm Inc. Method and apparatus for automatically adjusting speaker and microphone gains within a mobile telephone
JP3266819B2 (ja) * 1996-07-30 2002-03-18 株式会社エイ・ティ・アール人間情報通信研究所 周期信号変換方法、音変換方法および信号分析方法
US5883927A (en) * 1996-07-31 1999-03-16 Nextwave Telecom, Inc. Digital wireless telecommunication device for reduced interference with hearing aids
JPH1049199A (ja) * 1996-08-02 1998-02-20 Nec Corp 無音圧縮音声符号化復号化装置
US5726983A (en) * 1996-08-09 1998-03-10 Motorola, Inc. Communication device with variable frame processing time
US5812968A (en) * 1996-08-28 1998-09-22 Ericsson, Inc. Vocoder apparatus using the link margin
US5881053A (en) * 1996-09-13 1999-03-09 Qualcomm Incorporated Method for a wireless communications channel
SE507370C2 (sv) * 1996-09-13 1998-05-18 Ericsson Telefon Ab L M Metod och anordning för att alstra komfortbrus i linjärprediktiv talavkodare
US6205130B1 (en) 1996-09-25 2001-03-20 Qualcomm Incorporated Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
US7788092B2 (en) * 1996-09-25 2010-08-31 Qualcomm Incorporated Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
WO1998013941A1 (en) * 1996-09-25 1998-04-02 Qualcomm Incorporated Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
US6014622A (en) 1996-09-26 2000-01-11 Rockwell Semiconductor Systems, Inc. Low bit rate speech coder using adaptive open-loop subframe pitch lag estimation and vector quantization
US5954834A (en) * 1996-10-09 1999-09-21 Ericsson Inc. Systems and methods for communicating desired audio information over a communications medium
US5905794A (en) * 1996-10-15 1999-05-18 Multi-Tech Systems, Inc. Caller identification interface using line reversal detection
US6496543B1 (en) 1996-10-29 2002-12-17 Qualcomm Incorporated Method and apparatus for providing high speed data communications in a cellular environment
US5781593A (en) * 1996-11-14 1998-07-14 Omnipoint Corporation Methods and apparatus for vocoder synchronization in mobile communication network
US6141373A (en) * 1996-11-15 2000-10-31 Omnipoint Corporation Preamble code structure and detection method and apparatus
FI964975A (fi) * 1996-12-12 1998-06-13 Nokia Mobile Phones Ltd Menetelmä ja laite puheen koodaamiseksi
US6172965B1 (en) * 1996-12-23 2001-01-09 Nortel Networks Limited Duplex transmission scheme
JP2856185B2 (ja) * 1997-01-21 1999-02-10 日本電気株式会社 音声符号化復号化システム
IL124578A0 (en) * 1997-01-23 1999-01-26 Motorola Inc Apparatus and method for non-linear processing in a communication system
US7751370B2 (en) 2001-07-13 2010-07-06 Qualcomm Incorporated Method and apparatus for forward link rate scheduling
US6335922B1 (en) 1997-02-11 2002-01-01 Qualcomm Incorporated Method and apparatus for forward link rate scheduling
JP3067676B2 (ja) * 1997-02-13 2000-07-17 日本電気株式会社 Ｌｓｐの予測符号化装置及び方法
US6014375A (en) * 1997-02-13 2000-01-11 Ericsson Inc. TDMA radio protocol with adaptive vocoder selection
US5832443A (en) * 1997-02-25 1998-11-03 Alaris, Inc. Method and apparatus for adaptive audio compression and decompression
US6104993A (en) * 1997-02-26 2000-08-15 Motorola, Inc. Apparatus and method for rate determination in a communication system
WO1998038764A1 (de) * 1997-02-27 1998-09-03 Siemens Aktiengesellschaft Verfahren und anordnung zur rahmenfehlerdetektion zwecks fehlerverdeckung insbesondere bei gsm übertragungen
US6167375A (en) * 1997-03-17 2000-12-26 Kabushiki Kaisha Toshiba Method for encoding and decoding a speech signal including background noise
US6282228B1 (en) 1997-03-20 2001-08-28 Xircom, Inc. Spread spectrum codes for use in communication
US6480521B1 (en) * 1997-03-26 2002-11-12 Qualcomm Incorporated Method and apparatus for transmitting high speed data in a spread spectrum communications system
US5907822A (en) * 1997-04-04 1999-05-25 Lincom Corporation Loss tolerant speech decoder for telecommunications
PL193825B1 (pl) * 1997-04-07 2007-03-30 Koninkl Philips Electronics Nv Sposób i urządzenie do kodowania sygnału mowy
KR100198476B1 (ko) * 1997-04-23 1999-06-15 윤종용 노이즈에 견고한 스펙트럼 포락선 양자화기 및 양자화 방법
US6014623A (en) * 1997-06-12 2000-01-11 United Microelectronics Corp. Method of encoding synthetic speech
US6075792A (en) 1997-06-16 2000-06-13 Interdigital Technology Corporation CDMA communication system which selectively allocates bandwidth upon demand
US6003003A (en) * 1997-06-27 1999-12-14 Advanced Micro Devices, Inc. Speech recognition system having a quantizer using a single robust codebook designed at multiple signal to noise ratios
US6032116A (en) * 1997-06-27 2000-02-29 Advanced Micro Devices, Inc. Distance measure in a speech recognition system for speech recognition using frequency shifting factors to compensate for input signal frequency shifts
US6044343A (en) * 1997-06-27 2000-03-28 Advanced Micro Devices, Inc. Adaptive speech recognition with selective input data to a speech classifier
US6175590B1 (en) 1997-08-08 2001-01-16 Qualcomm Inc. Method and apparatus for determining the rate of received data in a variable rate communication system
US6097972A (en) * 1997-08-29 2000-08-01 Qualcomm Incorporated Method and apparatus for processing power control signals in CDMA mobile telephone system
US6058359A (en) * 1998-03-04 2000-05-02 Telefonaktiebolaget L M Ericsson Speech coding including soft adaptability feature
US6049537A (en) * 1997-09-05 2000-04-11 Motorola, Inc. Method and system for controlling speech encoding in a communication system
US5898696A (en) * 1997-09-05 1999-04-27 Motorola, Inc. Method and system for controlling an encoding rate in a variable rate communication system
US6920150B1 (en) 1997-09-30 2005-07-19 Lucent Technologies Inc. Adaptive communications transcoding and error control
AU4661497A (en) * 1997-09-30 1999-03-22 Qualcomm Incorporated Channel gain modification system and method for noise reduction in voice communication
US5897613A (en) * 1997-10-08 1999-04-27 Lucent Technologies Inc. Efficient transmission of voice silence intervals
US6067515A (en) * 1997-10-27 2000-05-23 Advanced Micro Devices, Inc. Split matrix quantization with split vector quantization error compensation and selective enhanced processing for robust speech recognition
US6070136A (en) * 1997-10-27 2000-05-30 Advanced Micro Devices, Inc. Matrix quantization with vector quantization error compensation for robust speech recognition
US5953695A (en) * 1997-10-29 1999-09-14 Lucent Technologies Inc. Method and apparatus for synchronizing digital speech communications
US7184426B2 (en) 2002-12-12 2007-02-27 Qualcomm, Incorporated Method and apparatus for burst pilot for a time division multiplex system
US9118387B2 (en) 1997-11-03 2015-08-25 Qualcomm Incorporated Pilot reference transmission for a wireless communication system
US6563803B1 (en) * 1997-11-26 2003-05-13 Qualcomm Incorporated Acoustic echo canceller
US6044339A (en) * 1997-12-02 2000-03-28 Dspc Israel Ltd. Reduced real-time processing in stochastic celp encoding
DE19753697B4 (de) * 1997-12-03 2006-04-27 Siemens Ag Verfahren und Funkstation zur Datenübertragung in einem Kommunikationssystem
US6049765A (en) * 1997-12-22 2000-04-11 Lucent Technologies Inc. Silence compression for recorded voice messages
US6104994A (en) * 1998-01-13 2000-08-15 Conexant Systems, Inc. Method for speech coding under background noise conditions
JPH11215006A (ja) * 1998-01-29 1999-08-06 Olympus Optical Co Ltd ディジタル音声信号の送信装置及び受信装置
US6799159B2 (en) * 1998-02-02 2004-09-28 Motorola, Inc. Method and apparatus employing a vocoder for speech processing
US6381569B1 (en) * 1998-02-04 2002-04-30 Qualcomm Incorporated Noise-compensated speech recognition templates
US6603751B1 (en) * 1998-02-13 2003-08-05 Qualcomm Incorporated Method and system for performing a handoff in a wireless communication system, such as a hard handoff
US6545989B1 (en) 1998-02-19 2003-04-08 Qualcomm Incorporated Transmit gating in a wireless communication system
US6104991A (en) * 1998-02-27 2000-08-15 Lucent Technologies, Inc. Speech encoding and decoding system which modifies encoding and decoding characteristics based on an audio signal
FI113571B (fi) 1998-03-09 2004-05-14 Nokia Corp Puheenkoodaus
US6118392A (en) * 1998-03-12 2000-09-12 Liquid Audio Inc. Lossless data compression with low complexity
US6125348A (en) * 1998-03-12 2000-09-26 Liquid Audio Inc. Lossless data compression with low complexity
US6028541A (en) * 1998-03-12 2000-02-22 Liquid Audio Inc. Lossless data compression with low complexity
US6121904A (en) * 1998-03-12 2000-09-19 Liquid Audio, Inc. Lossless data compression with low complexity
US6043763A (en) * 1998-03-12 2000-03-28 Liquid Audio, Inc. Lossless data compression with low complexity
US6169906B1 (en) * 1998-03-24 2001-01-02 Motorola, Inc. Method of transmitting messages in a dispatch call
US20030194033A1 (en) 1998-05-21 2003-10-16 Tiedemann Edward G. Method and apparatus for coordinating transmission of short messages with hard handoff searches in a wireless communications system
US6577645B2 (en) 1998-06-03 2003-06-10 Siemens Aktiengesellschaft Method and radio set for transmitting messages
EP1084586B1 (de) * 1998-06-03 2004-12-22 Siemens Aktiengesellschaft Verfahren und funkgerät zur übertragung von nachrichten
US6141639A (en) * 1998-06-05 2000-10-31 Conexant Systems, Inc. Method and apparatus for coding of signals containing speech and background noise
US6810377B1 (en) * 1998-06-19 2004-10-26 Comsat Corporation Lost frame recovery techniques for parametric, LPC-based speech coding systems
JP3273599B2 (ja) * 1998-06-19 2002-04-08 沖電気工業株式会社 音声符号化レート選択器と音声符号化装置
US6034971A (en) * 1998-06-30 2000-03-07 Motorola, Inc. Method and apparatus for controlling communication system capacity
US6081776A (en) * 1998-07-13 2000-06-27 Lockheed Martin Corp. Speech coding system and method including adaptive finite impulse response filter
DE19833318C2 (de) * 1998-07-24 2001-08-02 Bosch Gmbh Robert Verfahren zur Übertragung von digitalen Nutzdaten
US6163766A (en) * 1998-08-14 2000-12-19 Motorola, Inc. Adaptive rate system and method for wireless communications
US6173254B1 (en) * 1998-08-18 2001-01-09 Denso Corporation, Ltd. Recorded message playback system for a variable bit rate system
JP4308345B2 (ja) * 1998-08-21 2009-08-05 パナソニック株式会社 マルチモード音声符号化装置及び復号化装置
US7072832B1 (en) 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
US6823303B1 (en) * 1998-08-24 2004-11-23 Conexant Systems, Inc. Speech encoder using voice activity detection in coding noise
US6385573B1 (en) * 1998-08-24 2002-05-07 Conexant Systems, Inc. Adaptive tilt compensation for synthesized speech residual
US6240386B1 (en) * 1998-08-24 2001-05-29 Conexant Systems, Inc. Speech codec employing noise classification for noise compensation
US6330533B2 (en) 1998-08-24 2001-12-11 Conexant Systems, Inc. Speech encoder adaptively applying pitch preprocessing with warping of target signal
US6493665B1 (en) * 1998-08-24 2002-12-10 Conexant Systems, Inc. Speech classification and parameter weighting used in codebook search
US6449590B1 (en) 1998-08-24 2002-09-10 Conexant Systems, Inc. Speech encoder using warping in long term preprocessing
US6260010B1 (en) * 1998-08-24 2001-07-10 Conexant Systems, Inc. Speech encoder using gain normalization that combines open and closed loop gains
US7117146B2 (en) * 1998-08-24 2006-10-03 Mindspeed Technologies, Inc. System for improved use of pitch enhancement with subcodebooks
US6188980B1 (en) * 1998-08-24 2001-02-13 Conexant Systems, Inc. Synchronized encoder-decoder frame concealment using speech coding parameters including line spectral frequencies and filter coefficients
US6480822B2 (en) * 1998-08-24 2002-11-12 Conexant Systems, Inc. Low complexity random codebook structure
US6798736B1 (en) 1998-09-22 2004-09-28 Qualcomm Incorporated Method and apparatus for transmitting and receiving variable rate data
US7272556B1 (en) * 1998-09-23 2007-09-18 Lucent Technologies Inc. Scalable and embedded codec for speech and audio signals
US6219642B1 (en) 1998-10-05 2001-04-17 Legerity, Inc. Quantization using frequency and mean compensated frequency input data for robust speech recognition
US6347297B1 (en) * 1998-10-05 2002-02-12 Legerity, Inc. Matrix quantization with vector quantization error compensation and neural network postprocessing for robust speech recognition
US6353808B1 (en) * 1998-10-22 2002-03-05 Sony Corporation Apparatus and method for encoding a signal as well as apparatus and method for decoding a signal
JP3343082B2 (ja) * 1998-10-27 2002-11-11 松下電器産業株式会社 Ｃｅｌｐ型音声符号化装置
US6463407B2 (en) 1998-11-13 2002-10-08 Qualcomm Inc. Low bit-rate coding of unvoiced segments of speech
US6754630B2 (en) 1998-11-13 2004-06-22 Qualcomm, Inc. Synthesis of speech from pitch prototype waveforms by time-synchronous waveform interpolation
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
US6233549B1 (en) 1998-11-23 2001-05-15 Qualcomm, Inc. Low frequency spectral enhancement system and method
US6289099B1 (en) * 1998-11-30 2001-09-11 Qualcomm Inc. Ringer for satellite user terminals
US6256606B1 (en) 1998-11-30 2001-07-03 Conexant Systems, Inc. Silence description coding for multi-rate speech codecs
US6275485B1 (en) 1998-12-03 2001-08-14 Qualcomm Inc. Noise characterization in a wireless communication system
US6512925B1 (en) * 1998-12-03 2003-01-28 Qualcomm, Incorporated Method and apparatus for controlling transmission power while in soft handoff
US6182030B1 (en) 1998-12-18 2001-01-30 Telefonaktiebolaget Lm Ericsson (Publ) Enhanced coding to improve coded communication signals
US6691084B2 (en) * 1998-12-21 2004-02-10 Qualcomm Incorporated Multiple mode variable rate speech coding
US6542486B1 (en) * 1998-12-22 2003-04-01 Nortel Networks Limited Multiple technology vocoder and an associated telecommunications network
US6393074B1 (en) 1998-12-31 2002-05-21 Texas Instruments Incorporated Decoding system for variable-rate convolutionally-coded data sequence
US7406098B2 (en) * 1999-01-13 2008-07-29 Qualcomm Incorporated Resource allocation in a communication system supporting application flows having quality of service requirements
US6330247B1 (en) 1999-02-08 2001-12-11 Qualcomm Incorporated Communication protocol between a communication device and an external accessory
US6324509B1 (en) 1999-02-08 2001-11-27 Qualcomm Incorporated Method and apparatus for accurate endpointing of speech in the presence of noise
US6226607B1 (en) * 1999-02-08 2001-05-01 Qualcomm Incorporated Method and apparatus for eighth-rate random number generation for speech coders
US6574596B2 (en) 1999-02-08 2003-06-03 Qualcomm Incorporated Voice recognition rejection scheme
JP4503853B2 (ja) * 1999-02-08 2010-07-14 クゥアルコム・インコーポレイテッド 可変率音声符号化に基づいた音声合成装置
US6411926B1 (en) 1999-02-08 2002-06-25 Qualcomm Incorporated Distributed voice recognition system
US6587446B2 (en) * 1999-02-11 2003-07-01 Qualcomm Incorporated Handoff in a wireless communication system
US6260009B1 (en) 1999-02-12 2001-07-10 Qualcomm Incorporated CELP-based to CELP-based vocoder packet translation
US6449592B1 (en) 1999-02-26 2002-09-10 Qualcomm Incorporated Method and apparatus for tracking the phase of a quasi-periodic signal
US6397177B1 (en) * 1999-03-10 2002-05-28 Samsung Electronics, Co., Ltd. Speech-encoding rate decision apparatus and method in a variable rate
US6088347A (en) * 1999-03-10 2000-07-11 Massachusetts Institute Of Technology Variable chip rate code-division multiple access
US6233552B1 (en) * 1999-03-12 2001-05-15 Comsat Corporation Adaptive post-filtering technique based on the Modified Yule-Walker filter
US6519479B1 (en) 1999-03-31 2003-02-11 Qualcomm Inc. Spoken user interface for speech-enabled devices
CA2371958C (en) * 1999-04-12 2006-07-25 Samsung Electronics Co., Ltd. Apparatus and method for gated transmission in a cdma communication system
US7058573B1 (en) * 1999-04-20 2006-06-06 Nuance Communications Inc. Speech recognition system to selectively utilize different speech recognition techniques over multiple speech recognition passes
US6260017B1 (en) 1999-05-07 2001-07-10 Qualcomm Inc. Multipulse interpolative coding of transition speech frames
US6766295B1 (en) 1999-05-10 2004-07-20 Nuance Communications Adaptation of a speech recognition system across multiple remote sessions with a speaker
US6661832B1 (en) * 1999-05-11 2003-12-09 Qualcomm Incorporated System and method for providing an accurate estimation of received signal interference for use in wireless communications systems
US6954727B1 (en) * 1999-05-28 2005-10-11 Koninklijke Philips Electronics N.V. Reducing artifact generation in a vocoder
US6397175B1 (en) 1999-07-19 2002-05-28 Qualcomm Incorporated Method and apparatus for subsampling phase spectrum information
US6330532B1 (en) 1999-07-19 2001-12-11 Qualcomm Incorporated Method and apparatus for maintaining a target bit rate in a speech coder
US6393394B1 (en) 1999-07-19 2002-05-21 Qualcomm Incorporated Method and apparatus for interleaving line spectral information quantization methods in a speech coder
US6324505B1 (en) * 1999-07-19 2001-11-27 Qualcomm Incorporated Amplitude quantization scheme for low-bit-rate speech coders
US6324503B1 (en) 1999-07-19 2001-11-27 Qualcomm Incorporated Method and apparatus for providing feedback from decoder to encoder to improve performance in a predictive speech coder under frame erasure conditions
US6496706B1 (en) 1999-07-23 2002-12-17 Qualcomm Incorporated Method and system for transmit gating in a wireless communication system
US6704328B1 (en) * 1999-07-26 2004-03-09 Nortel Networks, Limited Signalling scheme and messaging structure to support the smoothing of large bit rate transmissions
US6603752B1 (en) 1999-07-29 2003-08-05 Ahmed Saifuddin Method and system for controlling transmission energy in a variable rate gated communication system
US6658112B1 (en) 1999-08-06 2003-12-02 General Dynamics Decision Systems, Inc. Voice decoder and method for detecting channel errors using spectral energy evolution
US6633552B1 (en) * 1999-08-06 2003-10-14 Qualcomm Incorporated Method and apparatus for determining the closed loop power control set point in a wireless packet data communication system
US6597667B1 (en) 1999-08-18 2003-07-22 Qualcomm Incorporated Network based muting of a cellular telephone
US6493329B1 (en) 1999-08-23 2002-12-10 Qualcomm Incorporated Adaptive channel estimation in a wireless communication system
US8064409B1 (en) 1999-08-25 2011-11-22 Qualcomm Incorporated Method and apparatus using a multi-carrier forward link in a wireless communication system
US6426971B1 (en) 1999-09-13 2002-07-30 Qualcomm Incorporated System and method for accurately predicting signal to interference and noise ratio to improve communications system performance
US6708024B1 (en) * 1999-09-22 2004-03-16 Legerity, Inc. Method and apparatus for generating comfort noise
US6574593B1 (en) 1999-09-22 2003-06-03 Conexant Systems, Inc. Codebook tables for encoding and decoding
AU2003262451B2 (en) * 1999-09-22 2006-01-19 Macom Technology Solutions Holdings, Inc. Multimode speech encoder
AU766830B2 (en) * 1999-09-22 2003-10-23 Macom Technology Solutions Holdings, Inc. Multimode speech encoder
US6604070B1 (en) 1999-09-22 2003-08-05 Conexant Systems, Inc. System of encoding and decoding speech signals
US6959274B1 (en) * 1999-09-22 2005-10-25 Mindspeed Technologies, Inc. Fixed rate speech compression system and method
US6581032B1 (en) 1999-09-22 2003-06-17 Conexant Systems, Inc. Bitstream protocol for transmission of encoded voice signals
US6636829B1 (en) * 1999-09-22 2003-10-21 Mindspeed Technologies, Inc. Speech communication system and method for handling lost frames
US6782360B1 (en) * 1999-09-22 2004-08-24 Mindspeed Technologies, Inc. Gain quantization for a CELP speech coder
US7054809B1 (en) * 1999-09-22 2006-05-30 Mindspeed Technologies, Inc. Rate selection method for selectable mode vocoder
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
US6772126B1 (en) * 1999-09-30 2004-08-03 Motorola, Inc. Method and apparatus for transferring low bit rate digital voice messages using incremental messages
US6850506B1 (en) 1999-10-07 2005-02-01 Qualcomm Incorporated Forward-link scheduling in a wireless communication system
US6621804B1 (en) 1999-10-07 2003-09-16 Qualcomm Incorporated Method and apparatus for predicting favored supplemental channel transmission slots using transmission power measurements of a fundamental channel
US7522631B1 (en) * 1999-10-26 2009-04-21 Qualcomm, Incorporated Method and apparatus for efficient data transmission control in a wireless voice-over-data communication system
US6463274B1 (en) * 1999-10-26 2002-10-08 Denso Corporation Multiple class of service determination for digital cellular telephones
US6438518B1 (en) 1999-10-28 2002-08-20 Qualcomm Incorporated Method and apparatus for using coding scheme selection patterns in a predictive speech coder to reduce sensitivity to frame error conditions
US6496794B1 (en) * 1999-11-22 2002-12-17 Motorola, Inc. Method and apparatus for seamless multi-rate speech coding
US6772112B1 (en) 1999-12-10 2004-08-03 Lucent Technologies Inc. System and method to reduce speech delay and improve voice quality using half speech blocks
BR0006803A (pt) * 1999-12-10 2001-12-11 Lucent Technologies Inc Sistema e método para reduzir retardo de fala emelhorar a qualidade de fala utilizando meiosblocos
US7574351B2 (en) * 1999-12-14 2009-08-11 Texas Instruments Incorporated Arranging CELP information of one frame in a second packet
US6745024B1 (en) 2000-01-10 2004-06-01 Qualcomm Incorporated System and method for preparing and sending an electronic mail communication using a wireless communications device
US6510409B1 (en) * 2000-01-18 2003-01-21 Conexant Systems, Inc. Intelligent discontinuous transmission and comfort noise generation scheme for pulse code modulation speech coders
US7127390B1 (en) * 2000-02-08 2006-10-24 Mindspeed Technologies, Inc. Rate determination coding
EP1126651A1 (en) * 2000-02-16 2001-08-22 Lucent Technologies Inc. Link adaptation for RT-EGPRS
US6721368B1 (en) 2000-03-04 2004-04-13 Qualcomm Incorporated Transmitter architectures for communications systems
US6584438B1 (en) 2000-04-24 2003-06-24 Qualcomm Incorporated Frame erasure compensation method in a variable rate speech coder
ATE420432T1 (de) * 2000-04-24 2009-01-15 Qualcomm Inc Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen
US6980527B1 (en) 2000-04-25 2005-12-27 Cwill Telecommunications, Inc. Smart antenna CDMA wireless communication system
US7080009B2 (en) * 2000-05-01 2006-07-18 Motorola, Inc. Method and apparatus for reducing rate determination errors and their artifacts
US6285682B1 (en) * 2000-05-01 2001-09-04 Motorola, Inc. Method and apparatus for determining the frame rate of a frame
FI115329B (fi) * 2000-05-08 2005-04-15 Nokia Corp Menetelmä ja järjestely lähdesignaalin kaistanleveyden vaihtamiseksi tietoliikenneyhteydessä, jossa on valmiudet useisiin kaistanleveyksiin
US7089181B2 (en) 2001-05-30 2006-08-08 Intel Corporation Enhancing the intelligibility of received speech in a noisy environment
US7072833B2 (en) 2000-06-02 2006-07-04 Canon Kabushiki Kaisha Speech processing system
US7010483B2 (en) 2000-06-02 2006-03-07 Canon Kabushiki Kaisha Speech processing system
US7035790B2 (en) 2000-06-02 2006-04-25 Canon Kabushiki Kaisha Speech processing system
US6954745B2 (en) 2000-06-02 2005-10-11 Canon Kabushiki Kaisha Signal processing system
US6735563B1 (en) 2000-07-13 2004-05-11 Qualcomm, Inc. Method and apparatus for constructing voice templates for a speaker-independent voice recognition system
US6671669B1 (en) * 2000-07-18 2003-12-30 Qualcomm Incorporated combined engine system and method for voice recognition
US6510142B1 (en) 2000-07-21 2003-01-21 Motorola, Inc. Method and apparatus for reduced reversed traffic in a cellular telephone system
US6856954B1 (en) * 2000-07-28 2005-02-15 Mindspeed Technologies, Inc. Flexible variable rate vocoder for wireless communication systems
US6728669B1 (en) * 2000-08-07 2004-04-27 Lucent Technologies Inc. Relative pulse position in celp vocoding
EP1944759B1 (en) * 2000-08-09 2010-10-20 Sony Corporation Voice data processing device and processing method
US6477502B1 (en) 2000-08-22 2002-11-05 Qualcomm Incorporated Method and apparatus for using non-symmetric speech coders to produce non-symmetric links in a wireless communication system
US6937979B2 (en) * 2000-09-15 2005-08-30 Mindspeed Technologies, Inc. Coding based on spectral content of a speech signal
US6842733B1 (en) 2000-09-15 2005-01-11 Mindspeed Technologies, Inc. Signal processing system for filtering spectral content of a signal for speech coding
US6850884B2 (en) * 2000-09-15 2005-02-01 Mindspeed Technologies, Inc. Selection of coding parameters based on spectral content of a speech signal
US7133823B2 (en) * 2000-09-15 2006-11-07 Mindspeed Technologies, Inc. System for an adaptive excitation pattern for speech coding
US6760882B1 (en) 2000-09-19 2004-07-06 Intel Corporation Mode selection for data transmission in wireless communication channels based on statistical parameters
US6802035B2 (en) * 2000-09-19 2004-10-05 Intel Corporation System and method of dynamically optimizing a transmission mode of wirelessly transmitted information
US7068683B1 (en) 2000-10-25 2006-06-27 Qualcomm, Incorporated Method and apparatus for high rate packet data and low delay data transmissions
US7171355B1 (en) 2000-10-25 2007-01-30 Broadcom Corporation Method and apparatus for one-stage and two-stage noise feedback coding of speech and audio signals
US6973098B1 (en) 2000-10-25 2005-12-06 Qualcomm, Incorporated Method and apparatus for determining a data rate in a high rate packet data wireless communications system
DE60029453T2 (de) * 2000-11-09 2007-04-12 Koninklijke Kpn N.V. Messen der Übertragungsqualität einer Telefonverbindung in einem Fernmeldenetz
US7606703B2 (en) * 2000-11-15 2009-10-20 Texas Instruments Incorporated Layered celp system and method with varying perceptual filter or short-term postfilter strengths
US6999430B2 (en) * 2000-11-30 2006-02-14 Qualcomm Incorporated Method and apparatus for transmitting data traffic on a wireless communication channel
US6804218B2 (en) 2000-12-04 2004-10-12 Qualcomm Incorporated Method and apparatus for improved detection of rate errors in variable rate receivers
US7472059B2 (en) * 2000-12-08 2008-12-30 Qualcomm Incorporated Method and apparatus for robust speech classification
US7505594B2 (en) * 2000-12-19 2009-03-17 Qualcomm Incorporated Discontinuous transmission (DTX) controller system and method
SE0004818D0 (sv) * 2000-12-22 2000-12-22 Coding Technologies Sweden Ab Enhancing source coding systems by adaptive transposition
US7346918B2 (en) 2000-12-27 2008-03-18 Z-Band, Inc. Intelligent device system and method for distribution of digital signals on a wideband signal distribution system
WO2002054601A1 (en) 2000-12-29 2002-07-11 Morphics Technology, Inc. Channel codec processor configurable for multiple wireless communications standards
US7113522B2 (en) * 2001-01-24 2006-09-26 Qualcomm, Incorporated Enhanced conversion of wideband signals to narrowband signals
US7062445B2 (en) * 2001-01-26 2006-06-13 Microsoft Corporation Quantization loop with heuristic approach
US7120134B2 (en) 2001-02-15 2006-10-10 Qualcomm, Incorporated Reverse link channel architecture for a wireless communication system
US20040204935A1 (en) * 2001-02-21 2004-10-14 Krishnasamy Anandakumar Adaptive voice playout in VOP
US6760587B2 (en) 2001-02-23 2004-07-06 Qualcomm Incorporated Forward-link scheduling in a wireless communication system during soft and softer handoff
US7289461B2 (en) 2001-03-15 2007-10-30 Qualcomm Incorporated Communications using wideband terminals
US20020181546A1 (en) * 2001-03-23 2002-12-05 Odenwalder Joseph P. Preamble channels
US6760576B2 (en) 2001-03-27 2004-07-06 Qualcomm Incorporated Method and apparatus for enhanced rate determination in high data rate wireless communication systems
US8199696B2 (en) * 2001-03-29 2012-06-12 Qualcomm Incorporated Method and apparatus for power control in a wireless communication system
US6625172B2 (en) 2001-04-26 2003-09-23 Joseph P. Odenwalder Rescheduling scheduled transmissions
US7230941B2 (en) 2001-04-26 2007-06-12 Qualcomm Incorporated Preamble channel decoding
JP4591939B2 (ja) * 2001-05-15 2010-12-01 Ｋｄｄｉ株式会社 適応的符号化伝送装置および受信装置
US7170924B2 (en) * 2001-05-17 2007-01-30 Qualcomm, Inc. System and method for adjusting combiner weights using an adaptive algorithm in wireless communications system
US6990137B2 (en) * 2001-05-17 2006-01-24 Qualcomm, Incorporated System and method for received signal prediction in wireless communications systems
JP3859462B2 (ja) * 2001-05-18 2006-12-20 株式会社東芝 予測パラメータ分析装置および予測パラメータ分析方法
US6789059B2 (en) * 2001-06-06 2004-09-07 Qualcomm Incorporated Reducing memory requirements of a codebook vector search
GB2386808B (en) 2001-06-28 2004-07-07 Samsung Electronics Co Ltd Apparatus and method for transmitting TFCI bits for a hard split mode in a CDMA mobile communication system
US7489655B2 (en) * 2001-07-06 2009-02-10 Qualcomm, Incorporated Method and apparatus for predictive scheduling in a bi-directional communication system
JP2003044098A (ja) * 2001-07-26 2003-02-14 Nec Corp 音声帯域拡張装置及び音声帯域拡張方法
US7110942B2 (en) * 2001-08-14 2006-09-19 Broadcom Corporation Efficient excitation quantization in a noise feedback coding system using correlation techniques
DE60217522T2 (de) * 2001-08-17 2007-10-18 Broadcom Corp., Irvine Verbessertes verfahren zur verschleierung von bitfehlern bei der sprachcodierung
US7162415B2 (en) * 2001-11-06 2007-01-09 The Regents Of The University Of California Ultra-narrow bandwidth voice coding
US7453801B2 (en) * 2001-11-08 2008-11-18 Qualcomm Incorporated Admission control and resource allocation in a communication system supporting application flows having quality of service requirements
WO2003049353A1 (en) * 2001-12-05 2003-06-12 Qualcomm, Incorporated System and method for adjusting quality of service in a communication system
US7146313B2 (en) * 2001-12-14 2006-12-05 Microsoft Corporation Techniques for measurement of perceptual audio quality
US7027982B2 (en) * 2001-12-14 2006-04-11 Microsoft Corporation Quality and rate control strategy for digital audio
GB2383239B (en) * 2001-12-15 2004-03-17 Motorola Inc A method and apparatus for transmitting data
US7206740B2 (en) * 2002-01-04 2007-04-17 Broadcom Corporation Efficient excitation quantization in noise feedback coding with general noise shaping
JP3778087B2 (ja) * 2002-01-18 2006-05-24 富士ゼロックス株式会社 データ符号化装置及びデータ復号装置
US7313520B2 (en) * 2002-03-20 2007-12-25 The Directv Group, Inc. Adaptive variable bit rate audio compression encoding
US6957183B2 (en) * 2002-03-20 2005-10-18 Qualcomm Inc. Method for robust voice recognition by analyzing redundant features of source signal
US7321559B2 (en) * 2002-06-28 2008-01-22 Lucent Technologies Inc System and method of noise reduction in receiving wireless transmission of packetized audio signals
US6980695B2 (en) * 2002-06-28 2005-12-27 Microsoft Corporation Rate allocation for mixed content video
CA2392640A1 (en) * 2002-07-05 2004-01-05 Voiceage Corporation A method and device for efficient in-based dim-and-burst signaling and half-rate max operation in variable bit-rate wideband speech coding for cdma wireless systems
US8090577B2 (en) 2002-08-08 2012-01-03 Qualcomm Incorported Bandwidth-adaptive quantization
JP2004151123A (ja) * 2002-10-23 2004-05-27 Nec Corp 符号変換方法、符号変換装置、プログラム及びその記憶媒体
US7602722B2 (en) * 2002-12-04 2009-10-13 Nortel Networks Limited Mobile assisted fast scheduling for the reverse link
GB2396271B (en) * 2002-12-10 2005-08-10 Motorola Inc A user terminal and method for voice communication
US7698132B2 (en) * 2002-12-17 2010-04-13 Qualcomm Incorporated Sub-sampled excitation waveform codebooks
US7120447B1 (en) * 2003-02-24 2006-10-10 Nortel Networks Limited Selectable mode vocoder management algorithm for CDMA based networks
US6965859B2 (en) * 2003-02-28 2005-11-15 Xvd Corporation Method and apparatus for audio compression
KR100480341B1 (ko) * 2003-03-13 2005-03-31 한국전자통신연구원 광대역 저전송률 음성 신호의 부호화기
US7009999B2 (en) * 2003-03-28 2006-03-07 Qualcomm Incorporated Selective variable rate encoding to regulate data frame size
KR20050007977A (ko) * 2003-07-12 2005-01-21 삼성전자주식회사 이동 통신 시스템에서의 보코더의 모드 및 전송율 제어 방법
US7577756B2 (en) 2003-07-15 2009-08-18 Special Devices, Inc. Dynamically-and continuously-variable rate, asynchronous data transfer
US7383180B2 (en) * 2003-07-18 2008-06-03 Microsoft Corporation Constant bitrate media encoding techniques
US7609763B2 (en) * 2003-07-18 2009-10-27 Microsoft Corporation Advanced bi-directional predictive coding of video frames
US7343291B2 (en) 2003-07-18 2008-03-11 Microsoft Corporation Multi-pass variable bitrate media encoding
US7146309B1 (en) 2003-09-02 2006-12-05 Mindspeed Technologies, Inc. Deriving seed values to generate excitation values in a speech coder
US7613606B2 (en) * 2003-10-02 2009-11-03 Nokia Corporation Speech codecs
US7379875B2 (en) * 2003-10-24 2008-05-27 Microsoft Corporation Systems and methods for generating audio thumbnails
US7505764B2 (en) * 2003-10-28 2009-03-17 Motorola, Inc. Method for retransmitting a speech packet
US20050147131A1 (en) * 2003-12-29 2005-07-07 Nokia Corporation Low-rate in-band data channel using CELP codewords
US8473286B2 (en) * 2004-02-26 2013-06-25 Broadcom Corporation Noise feedback coding system and method for providing generalized noise shaping within a simple filter structure
KR100629997B1 (ko) * 2004-02-26 2006-09-27 엘지전자 주식회사 오디오 신호의 인코딩 방법
CN1930607B (zh) * 2004-03-05 2010-11-10 松下电器产业株式会社 差错隐藏装置以及差错隐藏方法
JP2005337573A (ja) 2004-05-26 2005-12-08 Sanden Corp 熱交換器
US8670988B2 (en) * 2004-07-23 2014-03-11 Panasonic Corporation Audio encoding/decoding apparatus and method providing multiple coding scheme interoperability
WO2006022124A1 (ja) * 2004-08-27 2006-03-02 Matsushita Electric Industrial Co., Ltd. オーディオデコーダ、方法及びプログラム
CA2691762C (en) 2004-08-30 2012-04-03 Qualcomm Incorporated Method and apparatus for an adaptive de-jitter buffer
SE528213C3 (sv) * 2004-09-30 2006-10-31 Ericsson Telefon Ab L M Förfaranden och arrangemang för adaptiva trösklar vid val av kodek
SE0402372D0 (sv) 2004-09-30 2004-09-30 Ericsson Telefon Ab L M Signal coding
US8085678B2 (en) 2004-10-13 2011-12-27 Qualcomm Incorporated Media (voice) playback (de-jitter) buffer adjustments based on air interface
US7697480B2 (en) * 2004-11-22 2010-04-13 Motorola, Inc Method and apparatus for inter-system active handoff of a hybrid subscriber unit
US20060109819A1 (en) * 2004-11-22 2006-05-25 Marin James S Method and apparatus for inter-system active handoff of a hybrid subscriber unit
US8102872B2 (en) 2005-02-01 2012-01-24 Qualcomm Incorporated Method for discontinuous transmission and accurate reproduction of background noise information
US20060224381A1 (en) * 2005-04-04 2006-10-05 Nokia Corporation Detecting speech frames belonging to a low energy sequence
US20060241937A1 (en) * 2005-04-21 2006-10-26 Ma Changxue C Method and apparatus for automatically discriminating information bearing audio segments and background noise audio segments
US7983301B2 (en) * 2005-06-24 2011-07-19 O2Micro International, Ltd. Method for extended transmission capabilities of short message service
US20080201689A1 (en) * 2005-06-30 2008-08-21 Freescale Semiconductor, Inc. Vector Crc Computatuion on Dsp
US20070005347A1 (en) * 2005-06-30 2007-01-04 Kotzin Michael D Method and apparatus for data frame construction
JP5035816B2 (ja) * 2005-07-14 2012-09-26 一般財団法人電力中央研究所 細孔内付着液体残留量推定方法
US7542421B2 (en) * 2005-09-09 2009-06-02 Tropos Networks Adaptive control of transmission power and data rates of transmission links between access nodes of a mesh network
CN1964244B (zh) * 2005-11-08 2010-04-07 厦门致晟科技有限公司 一种用声码器收发数字信号的方法
KR101019936B1 (ko) * 2005-12-02 2011-03-09 퀄컴 인코포레이티드 음성 파형의 정렬을 위한 시스템, 방법, 및 장치
US8219392B2 (en) * 2005-12-05 2012-07-10 Qualcomm Incorporated Systems, methods, and apparatus for detection of tonal components employing a coding operation with monotone function
KR100744542B1 (ko) * 2005-12-08 2007-08-01 한국전자통신연구원 가변대역 멀티코덱 ＱｏＳ 제어 장치 및 방법
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
US8032369B2 (en) * 2006-01-20 2011-10-04 Qualcomm Incorporated Arbitrary average data rates for variable rate coders
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
JP4816115B2 (ja) * 2006-02-08 2011-11-16 カシオ計算機株式会社 音声符号化装置及び音声符号化方法
US8036242B2 (en) * 2006-02-15 2011-10-11 Qualcomm Incorporated Dynamic capacity operating point management for a vocoder in an access terminal
US7720499B2 (en) * 2006-02-27 2010-05-18 Tropos Networks, Inc. Regulation of transmission power control in mitigate self interference by optimizing link transmission parameters in a wireless network
JP4771835B2 (ja) * 2006-03-06 2011-09-14 株式会社リコー トナー及び画像形成方法
FR2898443A1 (fr) * 2006-03-13 2007-09-14 France Telecom Procede de codage d'un signal audio source, dispositif de codage, procede et dispositif de decodage, signal, produits programme d'ordinateur correspondants
US7778828B2 (en) * 2006-03-15 2010-08-17 Sasken Communication Technologies Ltd. Method and system for automatic gain control of a speech signal
US8392176B2 (en) * 2006-04-10 2013-03-05 Qualcomm Incorporated Processing of excitation in audio coding and decoding
KR100900438B1 (ko) * 2006-04-25 2009-06-01 삼성전자주식회사 음성 패킷 복구 장치 및 방법
DE102006025042B4 (de) * 2006-05-26 2008-08-14 Infineon Technologies Ag Datenratenfehler-tolerante Synchronisation eines digitalen Empfängers
US8036186B2 (en) * 2006-07-26 2011-10-11 Tropos Networks, Inc. Adaptively setting transmission power levels of nodes within a wireless mesh network
US8135047B2 (en) 2006-07-31 2012-03-13 Qualcomm Incorporated Systems and methods for including an identifier with a packet associated with a speech signal
US8260609B2 (en) 2006-07-31 2012-09-04 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
KR100883652B1 (ko) * 2006-08-03 2009-02-18 삼성전자주식회사 음성 구간 검출 방법 및 장치, 및 이를 이용한 음성 인식시스템
CN101512639B (zh) * 2006-09-13 2012-03-14 艾利森电话股份有限公司 用于语音/音频发送器和接收器的方法和设备
EP2074711A2 (en) 2006-10-06 2009-07-01 ViaSat, Inc. Forward and reverse calibration for ground-based beamforming
US7877253B2 (en) 2006-10-06 2011-01-25 Qualcomm Incorporated Systems, methods, and apparatus for frame erasure recovery
EP2092517B1 (en) * 2006-10-10 2012-07-18 QUALCOMM Incorporated Method and apparatus for encoding and decoding audio signals
KR100833499B1 (ko) * 2006-10-27 2008-05-29 한국전자통신연구원 가변 대역 멀티 코덱의 음성 품질 측정 장치 및 방법
CN100587186C (zh) * 2006-11-02 2010-02-03 邹家祥 一种保温组合墙板构筑墙体的方法
US8279889B2 (en) * 2007-01-04 2012-10-02 Qualcomm Incorporated Systems and methods for dimming a first packet associated with a first bit rate to a second packet associated with a second bit rate
US8254455B2 (en) * 2007-06-30 2012-08-28 Microsoft Corporation Computing collocated macroblock information for direct mode macroblocks
US8428957B2 (en) 2007-08-24 2013-04-23 Qualcomm Incorporated Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands
US20090198500A1 (en) * 2007-08-24 2009-08-06 Qualcomm Incorporated Temporal masking in audio coding based on spectral dynamics in frequency sub-bands
US20090094026A1 (en) * 2007-10-03 2009-04-09 Binshi Cao Method of determining an estimated frame energy of a communication
US8606566B2 (en) * 2007-10-24 2013-12-10 Qnx Software Systems Limited Speech enhancement through partial speech reconstruction
US8326617B2 (en) * 2007-10-24 2012-12-04 Qnx Software Systems Limited Speech enhancement with minimum gating
US8015002B2 (en) 2007-10-24 2011-09-06 Qnx Software Systems Co. Dynamic noise reduction using linear model fitting
JP5229234B2 (ja) 2007-12-18 2013-07-03 富士通株式会社 非音声区間検出方法及び非音声区間検出装置
EP3288034B1 (en) * 2008-03-14 2019-02-20 Panasonic Intellectual Property Corporation of America Decoding device, and method thereof
US8325800B2 (en) 2008-05-07 2012-12-04 Microsoft Corporation Encoding streaming media as a high bit rate layer, a low bit rate layer, and one or more intermediate bit rate layers
US8379851B2 (en) 2008-05-12 2013-02-19 Microsoft Corporation Optimized client side rate control and indexed file layout for streaming media
US7860996B2 (en) 2008-05-30 2010-12-28 Microsoft Corporation Media streaming with seamless ad insertion
US7948887B2 (en) * 2008-06-24 2011-05-24 Microsoft Corporation Network bandwidth measurement
US8144602B2 (en) * 2008-08-06 2012-03-27 Jds Uniphase Corporation Network load tester with real-time detection and recording
US8265140B2 (en) 2008-09-30 2012-09-11 Microsoft Corporation Fine-grained client-side control of scalable media delivery
US8964692B2 (en) * 2008-11-10 2015-02-24 Qualcomm Incorporated Spectrum sensing of bluetooth using a sequence of energy detection measurements
EP2211335A1 (en) * 2009-01-21 2010-07-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for obtaining a parameter describing a variation of a signal characteristic of a signal
US8189666B2 (en) 2009-02-02 2012-05-29 Microsoft Corporation Local picture identifier and computation of co-located information
WO2010140940A1 (en) * 2009-06-04 2010-12-09 Telefonaktiebolaget Lm Ericsson (Publ) A method and arrangement for estimating the quality degradation of a processed signal
KR20110001130A (ko) * 2009-06-29 2011-01-06 삼성전자주식회사 가중 선형 예측 변환을 이용한 오디오 신호 부호화 및 복호화 장치 및 그 방법
CN102483926B (zh) 2009-07-27 2013-07-24 Scti控股公司 在处理语音信号中通过把语音作为目标和忽略噪声以降噪的系统及方法
US8811200B2 (en) 2009-09-22 2014-08-19 Qualcomm Incorporated Physical layer metrics to support adaptive station-dependent channel state information feedback rate in multi-user communication systems
PT2491559E (pt) 2009-10-19 2015-05-07 Ericsson Telefon Ab L M Método e estimador de fundo para a detecção de actividade de voz
WO2011065741A2 (ko) * 2009-11-24 2011-06-03 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
US8781822B2 (en) * 2009-12-22 2014-07-15 Qualcomm Incorporated Audio and speech processing with optimal bit-allocation for constant bit rate applications
US20110196673A1 (en) * 2010-02-11 2011-08-11 Qualcomm Incorporated Concealing lost packets in a sub-band coding decoder
US8374858B2 (en) * 2010-03-09 2013-02-12 Dts, Inc. Scalable lossless audio codec and authoring tool
US9082416B2 (en) * 2010-09-16 2015-07-14 Qualcomm Incorporated Estimating a pitch lag
PL2676265T3 (pl) 2011-02-14 2019-09-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Urządzenie i sposób do kodowania sygnału audio z stosowaniem zrównanej części antycypacji
ES2639646T3 (es) 2011-02-14 2017-10-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificación y decodificación de posiciones de impulso de pistas de una señal de audio
KR101551046B1 (ko) * 2011-02-14 2015-09-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 저-지연 통합 스피치 및 오디오 코딩에서 에러 은닉을 위한 장치 및 방법
CN103477387B (zh) 2011-02-14 2015-11-25 弗兰霍菲尔运输应用研究公司 使用频谱域噪声整形的基于线性预测的编码方案
MY166394A (en) 2011-02-14 2018-06-25 Fraunhofer Ges Forschung Information signal representation using lapped transform
BR112013020482B1 (pt) 2011-02-14 2021-02-23 Fraunhofer Ges Forschung aparelho e método para processar um sinal de áudio decodificado em um domínio espectral
PL2676264T3 (pl) 2011-02-14 2015-06-30 Fraunhofer Ges Forschung Koder audio estymujący szum tła podczas faz aktywnych
KR101525185B1 (ko) 2011-02-14 2015-06-02 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 트랜지언트 검출 및 품질 결과를 사용하여 일부분의 오디오 신호를 코딩하기 위한 장치 및 방법
TWI488176B (zh) 2011-02-14 2015-06-11 Fraunhofer Ges Forschung 音訊信號音軌脈衝位置之編碼與解碼技術
US8762136B2 (en) * 2011-05-03 2014-06-24 Lsi Corporation System and method of speech compression using an inter frame parameter correlation
US8990074B2 (en) * 2011-05-24 2015-03-24 Qualcomm Incorporated Noise-robust speech coding mode classification
FR2977969A1 (fr) * 2011-07-12 2013-01-18 France Telecom Adaptation de fenetres de ponderation d'analyse ou de synthese pour un codage ou decodage par transformee
US9208796B2 (en) * 2011-08-22 2015-12-08 Genband Us Llc Estimation of speech energy based on code excited linear prediction (CELP) parameters extracted from a partially-decoded CELP-encoded bit stream and applications of same
US9015039B2 (en) * 2011-12-21 2015-04-21 Huawei Technologies Co., Ltd. Adaptive encoding pitch lag for voiced speech
US9111531B2 (en) * 2012-01-13 2015-08-18 Qualcomm Incorporated Multiple coding mode signal classification
EP2830062B1 (en) 2012-03-21 2019-11-20 Samsung Electronics Co., Ltd. Method and apparatus for high-frequency encoding/decoding for bandwidth extension
MY178710A (en) * 2012-12-21 2020-10-20 Fraunhofer Ges Forschung Comfort noise addition for modeling background noise at low bit-rates
CA2894625C (en) 2012-12-21 2017-11-07 Anthony LOMBARD Generation of a comfort noise with high spectro-temporal resolution in discontinuous transmission of audio signals
EP3217398B1 (en) 2013-04-05 2019-08-14 Dolby International AB Advanced quantizer
FR3008533A1 (fr) * 2013-07-12 2015-01-16 Orange Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences
US9640185B2 (en) * 2013-12-12 2017-05-02 Motorola Solutions, Inc. Method and apparatus for enhancing the modulation index of speech sounds passed through a digital vocoder
US9570095B1 (en) * 2014-01-17 2017-02-14 Marvell International Ltd. Systems and methods for instantaneous noise estimation
US9721580B2 (en) * 2014-03-31 2017-08-01 Google Inc. Situation dependent transient suppression
CN105023579A (zh) * 2014-04-30 2015-11-04 中国电信股份有限公司 语音通信中语音编码实现方法、装置和通信终端
EP2980796A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for processing an audio signal, audio decoder, and audio encoder
TWI602172B (zh) * 2014-08-27 2017-10-11 弗勞恩霍夫爾協會 使用參數以加強隱蔽之用於編碼及解碼音訊內容的編碼器、解碼器及方法
CN104833105A (zh) * 2015-05-28 2015-08-12 芜湖美的厨卫电器制造有限公司 热水器和热水器系统
US11631421B2 (en) * 2015-10-18 2023-04-18 Solos Technology Limited Apparatuses and methods for enhanced speech recognition in variable environments
CN108701466B (zh) * 2016-01-03 2023-05-02 奥罗技术公司 使用预测器模型的信号编码器、解码器和方法
US11227214B2 (en) 2017-11-14 2022-01-18 Advanced Micro Devices, Inc. Memory bandwidth reduction techniques for low power convolutional neural network inference applications
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
US11948073B2 (en) 2018-04-20 2024-04-02 Advanced Micro Devices, Inc. Machine learning inference engine scalability
RU2691122C1 (ru) * 2018-06-13 2019-06-11 Ордена трудового Красного Знамени федеральное государственное бюджетное образовательное учреждение высшего образования "Московский технический университет связи и информатики" (МТУСИ) Способ и устройство компандирования звуковых вещательных сигналов
US11775799B2 (en) 2018-08-02 2023-10-03 Advanced Micro Devices, Inc. Runtime extension for neural network training with heterogeneous memory
US11769041B2 (en) 2018-10-31 2023-09-26 Advanced Micro Devices, Inc. Low latency long short-term memory inference with sequence interleaving
US11063645B2 (en) 2018-12-18 2021-07-13 XCOM Labs, Inc. Methods of wirelessly communicating with a group of devices
US10756795B2 (en) 2018-12-18 2020-08-25 XCOM Labs, Inc. User equipment with cellular link and peer-to-peer link
CN111338974A (zh) 2018-12-19 2020-06-26 超威半导体公司 用于矩阵数学指令集的图块化算法
CN111353575A (zh) * 2018-12-20 2020-06-30 超威半导体公司 用于卷积神经网络的图块化格式
US11330649B2 (en) 2019-01-25 2022-05-10 XCOM Labs, Inc. Methods and systems of multi-link peer-to-peer communications
US10756767B1 (en) 2019-02-05 2020-08-25 XCOM Labs, Inc. User equipment for wirelessly communicating cellular signal with another user equipment
CN111723918A (zh) 2019-03-18 2020-09-29 超威半导体公司 用于卷积内核的自动生成和调谐工具
US11610142B2 (en) 2019-05-28 2023-03-21 Ati Technologies Ulc Safety monitor for image misclassification
US11210199B2 (en) 2019-05-31 2021-12-28 Ati Technologies Ulc Safety monitor for invalid image transform
US11250867B1 (en) * 2019-10-08 2022-02-15 Rockwell Collins, Inc. Incorporating data into a voice signal with zero overhead
JP7332890B2 (ja) * 2019-11-19 2023-08-24 アイコム株式会社 音声通信システム、音声通信方法、および、音声通信プログラム
US11023390B1 (en) * 2020-03-27 2021-06-01 Arm Limited Resizing circuitry
CN112767953B (zh) * 2020-06-24 2024-01-23 腾讯科技（深圳）有限公司 语音编码方法、装置、计算机设备和存储介质

Family Cites Families (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US32580A (en) * 1861-06-18 Water-elevatok
US3633107A (en) * 1970-06-04 1972-01-04 Bell Telephone Labor Inc Adaptive signal processor for diversity radio receivers
JPS5017711A (ru) * 1973-06-15 1975-02-25
US3988674A (en) * 1975-03-17 1976-10-26 Communications Satellite Corporation (Comsat) Frame synchronization in speech predictive encoded communication system
US4076958A (en) * 1976-09-13 1978-02-28 E-Systems, Inc. Signal synthesizer spectrum contour scaler
US4214125A (en) * 1977-01-21 1980-07-22 Forrest S. Mozer Method and apparatus for speech synthesizing
CA1123955A (en) * 1978-03-30 1982-05-18 Tetsu Taguchi Speech analysis and synthesis apparatus
DE3023375C1 (ru) * 1980-06-23 1987-12-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
US4379949A (en) * 1981-08-10 1983-04-12 Motorola, Inc. Method of and means for variable-rate coding of LPC parameters
JPS6011360B2 (ja) * 1981-12-15 1985-03-25 ケイディディ株式会社 音声符号化方式
US4535472A (en) * 1982-11-05 1985-08-13 At&T Bell Laboratories Adaptive bit allocator
DE3276651D1 (en) * 1982-11-26 1987-07-30 Ibm Speech signal coding method and apparatus
EP0127718B1 (fr) * 1983-06-07 1987-03-18 International Business Machines Corporation Procédé de détection d'activité dans un système de transmission de la voix
US4672670A (en) * 1983-07-26 1987-06-09 Advanced Micro Devices, Inc. Apparatus and methods for coding, decoding, analyzing and synthesizing a signal
EP0163829B1 (en) * 1984-03-21 1989-08-23 Nippon Telegraph And Telephone Corporation Speech signal processing system
IT1179803B (it) * 1984-10-30 1987-09-16 Cselt Centro Studi Lab Telecom Metodo e dispositivo per la correzione di errori causati da rumore di tipo impulsivo su segnali vocali codificati con bassa velocita di ci fra e trasmessi su canali di comunicazione radio
US4937873A (en) * 1985-03-18 1990-06-26 Massachusetts Institute Of Technology Computationally efficient sine wave synthesis for acoustic waveform processing
US4856068A (en) * 1985-03-18 1989-08-08 Massachusetts Institute Of Technology Audio pre-processing methods and apparatus
US4885790A (en) * 1985-03-18 1989-12-05 Massachusetts Institute Of Technology Processing of acoustic waveforms
US4831636A (en) * 1985-06-28 1989-05-16 Fujitsu Limited Coding transmission equipment for carrying out coding with adaptive quantization
US4827517A (en) * 1985-12-26 1989-05-02 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech processor using arbitrary excitation coding
US4797929A (en) * 1986-01-03 1989-01-10 Motorola, Inc. Word recognition in a speech recognition system using data reduced word templates
CA1299750C (en) * 1986-01-03 1992-04-28 Ira Alan Gerson Optimal method of data reduction in a speech recognition system
JPH0748695B2 (ja) * 1986-05-23 1995-05-24 株式会社日立製作所 音声符号化方式
US4899384A (en) * 1986-08-25 1990-02-06 Ibm Corporation Table controlled dynamic bit allocation in a variable rate sub-band speech coder
US4771465A (en) * 1986-09-11 1988-09-13 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech sinusoidal vocoder with transmission of only subset of harmonics
US4797925A (en) * 1986-09-26 1989-01-10 Bell Communications Research, Inc. Method for coding speech at low bit rates
US4903301A (en) * 1987-02-27 1990-02-20 Hitachi, Ltd. Method and system for transmitting variable rate speech signal
US5054072A (en) * 1987-04-02 1991-10-01 Massachusetts Institute Of Technology Coding of acoustic waveforms
US4969192A (en) * 1987-04-06 1990-11-06 Voicecraft, Inc. Vector adaptive predictive coder for speech and audio
US4868867A (en) * 1987-04-06 1989-09-19 Voicecraft Inc. Vector excitation speech or audio coder for transmission or storage
US5202953A (en) * 1987-04-08 1993-04-13 Nec Corporation Multi-pulse type coding system with correlation calculation by backward-filtering operation for multi-pulse searching
US4890327A (en) * 1987-06-03 1989-12-26 Itt Corporation Multi-rate digital voice coder apparatus
US4802171A (en) * 1987-06-04 1989-01-31 Motorola, Inc. Method for error correction in digitally encoded speech
US4831624A (en) * 1987-06-04 1989-05-16 Motorola, Inc. Error detection method for sub-band coding
US4899385A (en) * 1987-06-26 1990-02-06 American Telephone And Telegraph Company Code excited linear predictive vocoder
CA1337217C (en) * 1987-08-28 1995-10-03 Daniel Kenneth Freeman Speech coding
US4960494A (en) * 1987-09-02 1990-10-02 Moltech Invent S.A. Ceramic/metal composite material
US4811404A (en) * 1987-10-01 1989-03-07 Motorola, Inc. Noise suppression system
US4852179A (en) * 1987-10-05 1989-07-25 Motorola, Inc. Variable frame rate, fixed bit rate vocoding method
US4896361A (en) * 1988-01-07 1990-01-23 Motorola, Inc. Digital speech coder having improved vector excitation source
EP0331857B1 (en) * 1988-03-08 1992-05-20 International Business Machines Corporation Improved low bit rate voice coding method and system
EP0331858B1 (en) * 1988-03-08 1993-08-25 International Business Machines Corporation Multi-rate voice encoding method and device
US5023910A (en) * 1988-04-08 1991-06-11 At&T Bell Laboratories Vector quantization in a harmonic speech coding arrangement
US4864561A (en) * 1988-06-20 1989-09-05 American Telephone And Telegraph Company Technique for improved subjective performance in a communication system using attenuated noise-fill
JPH0783315B2 (ja) * 1988-09-26 1995-09-06 富士通株式会社 可変レート音声信号符号化方式
US5077798A (en) * 1988-09-28 1991-12-31 Hitachi, Ltd. Method and system for voice coding based on vector quantization
DE3853161T2 (de) * 1988-10-19 1995-08-17 Ibm Vektorquantisierungscodierer.
NL8901032A (nl) * 1988-11-10 1990-06-01 Philips Nv Coder om extra informatie op te nemen in een digitaal audiosignaal met een tevoren bepaald formaat, een decoder om deze extra informatie uit dit digitale signaal af te leiden, een inrichting voor het opnemen van een digitaal signaal op een registratiedrager, voorzien van de coder, en een registratiedrager verkregen met deze inrichting.
JP3033060B2 (ja) * 1988-12-22 2000-04-17 国際電信電話株式会社 音声予測符号化・復号化方式
CA2005115C (en) * 1989-01-17 1997-04-22 Juin-Hwey Chen Low-delay code-excited linear predictive coder for speech or audio
US5222189A (en) * 1989-01-27 1993-06-22 Dolby Laboratories Licensing Corporation Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio
EP0392126B1 (en) * 1989-04-11 1994-07-20 International Business Machines Corporation Fast pitch tracking process for LTP-based speech coders
US5060269A (en) * 1989-05-18 1991-10-22 General Electric Company Hybrid switched multi-pulse/stochastic speech coding technique
US4975956A (en) * 1989-07-26 1990-12-04 Itt Corporation Low-bit-rate speech coder using LPC data reduction processing
GB2235354A (en) * 1989-08-16 1991-02-27 Philips Electronic Associated Speech coding/encoding using celp
US5091945A (en) * 1989-09-28 1992-02-25 At&T Bell Laboratories Source dependent channel coding with error protection
AU6174290A (en) * 1989-10-06 1991-04-28 Motorola, Inc. Error detection/correction scheme for vocoders
US5307441A (en) * 1989-11-29 1994-04-26 Comsat Corporation Wear-toll quality 4.8 kbps speech codec
JPH03181232A (ja) * 1989-12-11 1991-08-07 Toshiba Corp 可変レート符号化方式
US5097507A (en) * 1989-12-22 1992-03-17 General Electric Company Fading bit error protection for digital cellular multi-pulse speech coder
CH680030A5 (ru) * 1990-03-22 1992-05-29 Ascom Zelcom Ag
JP3102015B2 (ja) * 1990-05-28 2000-10-23 日本電気株式会社 音声復号化方法
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5235671A (en) * 1990-10-15 1993-08-10 Gte Laboratories Incorporated Dynamic bit allocation subband excited transform coding method and apparatus
US5187745A (en) * 1991-06-27 1993-02-16 Motorola, Inc. Efficient codebook search for CELP vocoders
DE69232202T2 (de) * 1991-06-11 2002-07-25 Qualcomm, Inc. Vocoder mit veraendlicher bitrate
US5495555A (en) * 1992-06-01 1996-02-27 Hughes Aircraft Company High quality low bit rate celp-based speech codec
US5734789A (en) * 1992-06-01 1998-03-31 Hughes Electronics Voiced, unvoiced or noise modes in a CELP vocoder
US5566206A (en) * 1993-06-18 1996-10-15 Qualcomm Incorporated Method and apparatus for determining data rate of transmitted variable rate data in a communications receiver
US5537410A (en) * 1994-09-15 1996-07-16 Oki Telecom Subsequent frame variable data rate indication method

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