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AR024439A2 - Una disposicion adaptable de ponderacion digital de senales. - Google Patents

Una disposicion adaptable de ponderacion digital de senales.

Info

Publication number
AR024439A2
AR024439A2 ARP000103120A ARP000103120A AR024439A2 AR 024439 A2 AR024439 A2 AR 024439A2 AR P000103120 A ARP000103120 A AR P000103120A AR P000103120 A ARP000103120 A AR P000103120A AR 024439 A2 AR024439 A2 AR 024439A2
Authority
AR
Argentina
Prior art keywords
digital
signal
filtered
channel
audio signal
Prior art date
Application number
ARP000103120A
Other languages
English (en)
Original Assignee
That Corp
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 That Corp filed Critical That Corp
Publication of AR024439A2 publication Critical patent/AR024439A2/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • H04N5/602—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for digital sound signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/06—Systems for the simultaneous transmission of one television signal, i.e. both picture and sound, by more than one carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Television Receiver Circuits (AREA)

Abstract

Una disposicion adaptable de ponderacion digital de senales, que presenta un medio de filtro izquierdo de paso alto para recibir una senal de audio digitalde canal izquierdo y para filtrar digitalmente en paso alto la senal de audio digital de canalizquierdo y generar de este modo una senal digital izquierdafiltrada; un medio de filtro derecho de paso alto para recibir una senal de audio digital de canal derecho y para filtrar digitalmente en paso alto la senal deaudio digital de canal derechoy generar de este modo una senal digital derecha filtrada; un medio matriz para recibir las senales digital izquierda y digitalderecha filtradas, y que incluye medios para sumar dichas senales digital izquierda y digital derecha filtradas y quegener an de ese modo una senal sumadigital, y que incluye medios para restar una de las senales digital izquierda y digital derecha filtradas de la otra de las senales digital izquierda ydigital derecha filtradas y que generan de ese modo una senaldiferen cia digital; un medio de procesamiento de canal diferencia para procesar digitalmentedicha senal diferencia digital; y un medio de procesamiento de canal suma para procesar digitalmente dicha senal suma digital.
ARP000103120A 1996-06-07 2000-06-22 Una disposicion adaptable de ponderacion digital de senales. AR024439A2 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/661,412 US5796842A (en) 1996-06-07 1996-06-07 BTSC encoder

Publications (1)

Publication Number Publication Date
AR024439A2 true AR024439A2 (es) 2002-10-02

Family

ID=24653490

Family Applications (3)

Application Number Title Priority Date Filing Date
ARP970102480A AR013578A1 (es) 1996-06-07 1997-06-06 Una disposicion adaptable de ponderacion digital de senales
ARP000103120A AR024439A2 (es) 1996-06-07 2000-06-22 Una disposicion adaptable de ponderacion digital de senales.
ARP000103119A AR024581A2 (es) 1996-06-07 2000-06-22 Una disposicion adaptable de ponderacion digital de senales.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ARP970102480A AR013578A1 (es) 1996-06-07 1997-06-06 Una disposicion adaptable de ponderacion digital de senales

Family Applications After (1)

Application Number Title Priority Date Filing Date
ARP000103119A AR024581A2 (es) 1996-06-07 2000-06-22 Una disposicion adaptable de ponderacion digital de senales.

Country Status (11)

Country Link
US (16) US5796842A (es)
EP (2) EP0974211A4 (es)
JP (7) JP2000513888A (es)
CN (3) CN100362777C (es)
AR (3) AR013578A1 (es)
AU (1) AU739719B2 (es)
BR (4) BR9715353B1 (es)
CA (1) CA2255925C (es)
HK (3) HK1020240A1 (es)
TW (1) TW401713B (es)
WO (1) WO1997047102A1 (es)

Families Citing this family (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8908872B2 (en) * 1996-06-07 2014-12-09 That Corporation BTSC encoder
US5796842A (en) * 1996-06-07 1998-08-18 That Corporation BTSC encoder
US5953067A (en) * 1997-02-10 1999-09-14 Cable Electronics, Inc. Multichannel television sound stereo and surround sound encoder
US6288747B1 (en) * 1997-08-25 2001-09-11 Cable Electronics, Inc. Multichannel television sound stereo and surround sound encoder suitable for use with video signals encoded in plural formats
US6463410B1 (en) * 1998-10-13 2002-10-08 Victor Company Of Japan, Ltd. Audio signal processing apparatus
US6757396B1 (en) 1998-11-16 2004-06-29 Texas Instruments Incorporated Digital audio dynamic range compressor and method
US6192086B1 (en) * 1999-01-14 2001-02-20 Antec Corporation Digital sub-systems and building blocks for a mostly digital low-cost BTSC compatible encoder
US7397850B2 (en) * 1999-02-18 2008-07-08 Easley Mathew F Reciprocal index lookup for BTSC compatible coefficients
US6281813B1 (en) * 1999-07-09 2001-08-28 Micronas Gmbh Circuit for decoding an analog audio signal
JP3693230B2 (ja) * 1999-12-27 2005-09-07 株式会社エヌ・ティ・ティ・ドコモ パケット通信システム
WO2004100604A1 (en) * 2000-02-18 2004-11-18 Arris International, Inc. Reciprocal index lookup for btsc compatible coefficients
US6618486B2 (en) 2000-05-03 2003-09-09 Robert A. Orban Controller for FM 412 multiplex power regulation
US8280072B2 (en) 2003-03-27 2012-10-02 Aliphcom, Inc. Microphone array with rear venting
US8019091B2 (en) 2000-07-19 2011-09-13 Aliphcom, Inc. Voice activity detector (VAD) -based multiple-microphone acoustic noise suppression
US6577189B2 (en) * 2000-07-20 2003-06-10 Tripath Technology, Inc. Scheme for reducing transmit-band noise floor and adjacent channel power with power backoff
DE10116358A1 (de) * 2001-04-02 2002-11-07 Micronas Gmbh Vorrichtung und Verfahren zur Erfassung und Unterdrückung von Störungen
US7046750B1 (en) * 2001-04-09 2006-05-16 Micronas Gmbh Adaptive signal weighting system
DE10124699C1 (de) * 2001-05-18 2002-12-19 Micronas Gmbh Schaltungsanordnung zur Verbesserung der Verständlichkeit von Sprache enthaltenden Audiosignalen
US8452023B2 (en) * 2007-05-25 2013-05-28 Aliphcom Wind suppression/replacement component for use with electronic systems
EP1425935A4 (en) * 2001-07-11 2010-07-07 Salinas Digital Llc MULTI-SIGNAL TRANSMISSION DEVICE AND METHOD
US6832078B2 (en) * 2002-02-26 2004-12-14 Broadcom Corporation Scaling adjustment using pilot signal
US7079657B2 (en) * 2002-02-26 2006-07-18 Broadcom Corporation System and method of performing digital multi-channel audio signal decoding
US6859238B2 (en) * 2002-02-26 2005-02-22 Broadcom Corporation Scaling adjustment to enhance stereo separation
DE10255687B4 (de) * 2002-11-28 2011-08-11 Lantiq Deutschland GmbH, 85579 Verfahren zur Verringerung des Crestfaktors eines Multiträgersignals
WO2004051627A1 (en) * 2002-11-29 2004-06-17 Koninklijke Philips Electronics N.V. Audio coding
US9066186B2 (en) 2003-01-30 2015-06-23 Aliphcom Light-based detection for acoustic applications
EP2254352A3 (en) * 2003-03-03 2012-06-13 Phonak AG Method for manufacturing acoustical devices and for reducing wind disturbances
US7215705B2 (en) * 2003-03-17 2007-05-08 Intel Corporation Reducing phase noise in phase-encoded communications signals
US9099094B2 (en) 2003-03-27 2015-08-04 Aliphcom Microphone array with rear venting
CN1795697A (zh) * 2003-04-09 2006-06-28 塔特公司 用于btsc兼容系数的倒数索引查找
US7132874B2 (en) * 2003-04-23 2006-11-07 The Regents Of The University Of Michigan Linearizing apparatus and method
US7369603B2 (en) * 2003-05-28 2008-05-06 Intel Corporation Compensating for spectral attenuation
WO2005004114A1 (en) * 2003-07-07 2005-01-13 Koninklijke Philips Electronics N.V. System and method for audio signal processing
US7557862B2 (en) * 2003-08-14 2009-07-07 Broadcom Corporation Integrated circuit BTSC encoder
US7532728B2 (en) * 2003-08-14 2009-05-12 Broadcom Corporation Mechanism for using the allpass decomposition architecture for the cauer low pass filter used in a BTSC
SE527670C2 (sv) * 2003-12-19 2006-05-09 Ericsson Telefon Ab L M Naturtrogenhetsoptimerad kodning med variabel ramlängd
US7809579B2 (en) 2003-12-19 2010-10-05 Telefonaktiebolaget Lm Ericsson (Publ) Fidelity-optimized variable frame length encoding
US7403624B2 (en) * 2003-12-23 2008-07-22 Freescale Semiconductor, Inc. BTSC encoder and integrated circuit
US8054993B1 (en) 2004-03-13 2011-11-08 Harman International Industries, Incorporated System for automatic compensation of low frequency audio based on human loudness perceptual models
WO2005094529A2 (en) * 2004-03-24 2005-10-13 That Corporation Configurable filter for processing television audio signals
WO2005122410A1 (en) * 2004-06-10 2005-12-22 Koninklijke Philips Electronics N.V. Method of cyclically converting an analog signal to a multi-bit digital output signal and converter for performing the method
JP2008509434A (ja) * 2004-08-03 2008-03-27 ザット コーポレーション 符号化のためのテレビジョン・オーディオ信号のアップサンプリング
US11431312B2 (en) 2004-08-10 2022-08-30 Bongiovi Acoustics Llc System and method for digital signal processing
US8284955B2 (en) 2006-02-07 2012-10-09 Bongiovi Acoustics Llc System and method for digital signal processing
US10158337B2 (en) 2004-08-10 2018-12-18 Bongiovi Acoustics Llc System and method for digital signal processing
US10848118B2 (en) 2004-08-10 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
CN101088237B (zh) * 2004-08-17 2013-02-06 塔特公司 用于处理电视音频信号的可配置的递归数字滤波器
KR100616618B1 (ko) * 2004-09-03 2006-08-28 삼성전기주식회사 고주파 모듈레이터
CA2580613A1 (en) 2004-09-17 2006-03-30 That Corporation Direct digital encoding and radio frequency mod elation for broadcast tele vision application
US20060083384A1 (en) * 2004-10-15 2006-04-20 Luciano Zoso Amplitude and phase compensator for BTSC encoder
US20060188102A1 (en) * 2005-02-18 2006-08-24 Luciano Zoso BTSC encoding method with digital FM modulation
US20060188103A1 (en) * 2005-02-18 2006-08-24 Luciano Zoso BTSC encoder with digital FM modulator feature
US9626973B2 (en) 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
US7619639B1 (en) * 2005-09-12 2009-11-17 Nvidia Corporation Adaptive scaling using a programmable video engine
US7774079B2 (en) * 2005-10-03 2010-08-10 Sigmatel, Inc. Method and system for receiving and decoding audio signals
US8200699B2 (en) * 2005-12-01 2012-06-12 Microsoft Corporation Secured and filtered personal information publishing
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US10701505B2 (en) 2006-02-07 2020-06-30 Bongiovi Acoustics Llc. System, method, and apparatus for generating and digitally processing a head related audio transfer function
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
US7945058B2 (en) * 2006-07-27 2011-05-17 Himax Technologies Limited Noise reduction system
JP4940888B2 (ja) * 2006-10-23 2012-05-30 ソニー株式会社 オーディオ信号伸張圧縮装置及び方法
JP2008206136A (ja) * 2007-01-23 2008-09-04 Rohm Co Ltd フィルタ回路およびそれを含むｆｍ送信機、ならびにこれらを用いた電子機器
US8391507B2 (en) * 2008-08-22 2013-03-05 Qualcomm Incorporated Systems, methods, and apparatus for detection of uncorrelated component
JP5419413B2 (ja) * 2008-10-10 2014-02-19 シャープ株式会社 送受信装置、送受信方法及びプログラム
US8433578B2 (en) * 2009-11-30 2013-04-30 At&T Intellectual Property I, L.P. System and method for automatically generating a dialog manager
KR101445291B1 (ko) * 2010-08-25 2014-09-29 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 결합 유닛 및 믹서를 사용하여 트랜지언트들을 포함하는 신호를 디코딩하기 위한 장치
US8897351B2 (en) * 2010-09-23 2014-11-25 Intel Corporation Method for peak to average power ratio reduction
US8670572B2 (en) * 2010-11-19 2014-03-11 Fortemedia, Inc. Analog-to-digital converter and analog-to-digital conversion method
US9420394B2 (en) 2011-02-16 2016-08-16 Apple Inc. Panning presets
US8654984B2 (en) * 2011-04-26 2014-02-18 Skype Processing stereophonic audio signals
US9059786B2 (en) * 2011-07-07 2015-06-16 Vecima Networks Inc. Ingress suppression for communication systems
US8965774B2 (en) * 2011-08-23 2015-02-24 Apple Inc. Automatic detection of audio compression parameters
EP2709106A1 (en) * 2012-09-17 2014-03-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating a bandwidth extended signal from a bandwidth limited audio signal
EP2757558A1 (en) * 2013-01-18 2014-07-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Time domain level adjustment for audio signal decoding or encoding
US9398394B2 (en) * 2013-06-12 2016-07-19 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
US9638672B2 (en) 2015-03-06 2017-05-02 Bongiovi Acoustics Llc System and method for acquiring acoustic information from a resonating body
JP2018530451A (ja) * 2015-07-31 2018-10-18 ハイアー ディメンション マテリアルズ，インコーポレイティド エンボス加工された布帛アセンブリ
WO2017022170A1 (ja) * 2015-08-05 2017-02-09 パナソニックＩｐマネジメント株式会社 モータ制御装置
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
JP2018537910A (ja) 2015-11-16 2018-12-20 ボンジョビ アコースティックス リミテッド ライアビリティー カンパニー 表面音響変換器
US11129596B2 (en) * 2016-10-06 2021-09-28 General Electric Company Systems and methods for ultrasound multiplexing
US11245375B2 (en) 2017-01-04 2022-02-08 That Corporation System for configuration and status reporting of audio processing in TV sets
MX2019008008A (es) * 2017-01-04 2019-12-16 That Corp Arquitectura configurable de compresor multibanda con procesamiento de sonido envolvente avanzado.
CN112005491A (zh) * 2018-03-28 2020-11-27 塔特公司 电视机中音频处理的配置和状态报告系统
CN112236812A (zh) 2018-04-11 2021-01-15 邦吉欧维声学有限公司 音频增强听力保护系统
WO2020028833A1 (en) 2018-08-02 2020-02-06 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
US10574256B1 (en) * 2018-09-25 2020-02-25 Cirrus Logic, Inc. Modulators
US10819363B2 (en) 2018-09-25 2020-10-27 Cirrus Logic, Inc. Modulators
US11031024B2 (en) * 2019-03-14 2021-06-08 Boomcloud 360, Inc. Spatially aware multiband compression system with priority
SG11202111967VA (en) 2019-05-10 2021-11-29 Beijing Bytedance Network Technology Co Ltd Multiple secondary transform matrices for video processing
KR20220016844A (ko) 2019-06-07 2022-02-10 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 비트스트림들에서 감축된 2차 변환의 조건부 시그널링
EP3994887A4 (en) 2019-08-03 2022-09-28 Beijing Bytedance Network Technology Co., Ltd. MATRIX SELECTION FOR A REDUCED SECONDARY TRANSFORM IN VIDEO CODING
WO2021032045A1 (en) 2019-08-17 2021-02-25 Beijing Bytedance Network Technology Co., Ltd. Context modeling of side information for reduced secondary transforms in video
US10904690B1 (en) 2019-12-15 2021-01-26 Nuvoton Technology Corporation Energy and phase correlated audio channels mixer
KR20210146132A (ko) * 2020-05-26 2021-12-03 삼성전자주식회사 마이크로폰의 특성을 보정하는 방법 및 전자 장치
EP4327324A1 (en) * 2021-07-08 2024-02-28 Boomcloud 360, Inc. Colorless generation of elevation perceptual cues using all-pass filter networks

Family Cites Families (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218393A (en) 1960-02-11 1965-11-16 Leonard R Kahn Compatible stereophonic transmission and reception systems, and methods and components characterizing same
US3757047A (en) * 1970-05-21 1973-09-04 Sansui Electric Co Four channel sound reproduction system
US3761628A (en) * 1972-04-13 1973-09-25 Columbia Broadcasting Syst Inc Stereo-quadraphonic matrix system with matrix or discrete sound reproduction capability
US4139866A (en) * 1976-02-18 1979-02-13 Telesonics, Inc. Stereophonic television sound transmission system
US4048654A (en) * 1976-02-18 1977-09-13 Telesonics, Inc. Stereophonic television sound transmission system
CA1182204A (en) * 1980-10-14 1985-02-05 Carl G. Eilers Tv sound transmission system
US4425665A (en) * 1981-09-24 1984-01-10 Advanced Micro Devices, Inc. FSK Voiceband modem using digital filters
US4539525A (en) * 1982-09-24 1985-09-03 Neil Brown Instrument Systems, Inc. Band-pass amplifier filters
US4539526A (en) * 1983-01-31 1985-09-03 Dbx, Inc. Adaptive signal weighting system
US4602380A (en) * 1985-01-04 1986-07-22 Cbs Inc. Compatible transmission techniques for FM stereophonic radio and television
US4799260A (en) * 1985-03-07 1989-01-17 Dolby Laboratories Licensing Corporation Variable matrix decoder
US4712240A (en) * 1986-03-26 1987-12-08 Trw Inc. Transmission and reception of television broadcast in high-fidelity stereo audio
US4757467A (en) * 1986-05-15 1988-07-12 Rca Licensing Corporation Apparatus for estimating the square root of digital samples
US4809274A (en) * 1986-09-19 1989-02-28 M/A-Com Government Systems, Inc. Digital audio companding and error conditioning
US4760602A (en) * 1986-10-21 1988-07-26 Rca Licensing Corporation Variable preemphasis/deemphasis network
GB8628046D0 (en) * 1986-11-24 1986-12-31 British Telecomm Transmission system
US4747140A (en) * 1986-12-24 1988-05-24 Rca Corporation Low distortion filters for separating frequency or phase modulated signals from composite signals
US4823298A (en) * 1987-05-11 1989-04-18 Rca Licensing Corporation Circuitry for approximating the control signal for a BTSC spectral expander
EP0345365B1 (de) * 1988-06-07 1993-12-29 Deutsche ITT Industries GmbH Digitale Deemphasisschaltung
US4947361A (en) * 1988-09-28 1990-08-07 Unisys Corporation Narrowband parameter estimator
US5282019A (en) * 1988-10-03 1994-01-25 Carlo Basile Method and apparatus for the transmission and reception of a multicarrier digital television signal
US4956862A (en) * 1989-02-02 1990-09-11 General Instrument Corporation Method of providing sound privacy system compatible with mono and btsc stereo audio
US5054070A (en) * 1990-03-05 1991-10-01 Qei Corporation Stereo signal communication system and method
US5357284A (en) * 1990-03-29 1994-10-18 Dolby Laboratories Licensing Corporation Compatible digital audio for NTSC television
GB9012327D0 (en) * 1990-06-01 1990-07-18 Thomson Consumer Electronics Digital fm synthesizer for record circuitry
JP2992324B2 (ja) 1990-10-26 1999-12-20 株式会社リコー 音声区間検出方法
NL9002401A (nl) * 1990-11-05 1992-06-01 Philips Nv Kommunikatiesysteem en een centrale besturingseenheid en een kommunikatiepost in het kommunikatiesysteem.
JP2906646B2 (ja) 1990-11-09 1999-06-21 松下電器産業株式会社 音声帯域分割符号化装置
US5291289A (en) 1990-11-16 1994-03-01 North American Philips Corporation Method and apparatus for transmission and reception of a digital television signal using multicarrier modulation
KR970000147B1 (ko) * 1991-01-31 1997-01-04 삼성전자 주식회사 다중음성기록재생시스템
DE69232713T2 (de) 1991-05-29 2004-05-06 Pacific Microsonics, Inc., Berkeley Verbesserungen in Systemen zum Erreichen von grösserer Amplitudenauflösung
JP2722858B2 (ja) * 1991-06-03 1998-03-09 松下電器産業株式会社 開平演算装置
JPH05218992A (ja) 1992-02-06 1993-08-27 Nippon Hoso Kyokai <Nhk> デジタルｆｍステレオ変調方法
US5278909A (en) * 1992-06-08 1994-01-11 International Business Machines Corporation System and method for stereo digital audio compression with co-channel steering
US5377272A (en) * 1992-08-28 1994-12-27 Thomson Consumer Electronics, Inc. Switched signal processing circuit
US5373562A (en) * 1992-08-28 1994-12-13 Thomson Consumer Electronics, Inc. Signal processor for sterophonic signals
DE69424888T2 (de) * 1993-01-22 2001-02-15 Koninklijke Philips Electronics N.V., Eindhoven Digitale Dreikanalübertragung von linken und rechten Stereosignalen und von einem Mittelsignal
US5341321A (en) * 1993-05-05 1994-08-23 Hewlett-Packard Company Floating point arithmetic unit using modified Newton-Raphson technique for division and square root
JP3404837B2 (ja) * 1993-12-07 2003-05-12 ソニー株式会社 多層符号化装置
JPH07162383A (ja) * 1993-12-07 1995-06-23 Hitachi Denshi Ltd Ｆｍステレオ放送装置
DE4417993A1 (de) * 1994-05-21 1995-12-07 Bosch Gmbh Robert Verfahren zur Übertragung von digitalen Audio-Signalen und Vorrichtung zur Übertragung digitaler Audio-Signale
US5684881A (en) * 1994-05-23 1997-11-04 Matsushita Electric Industrial Co., Ltd. Sound field and sound image control apparatus and method
US5633936A (en) * 1995-01-09 1997-05-27 Texas Instruments Incorporated Method and apparatus for detecting a near-end speech signal
US5732106A (en) * 1995-06-05 1998-03-24 Itt Corporation Pulse-shaping filter for modulator monolithic integration
US5631968A (en) * 1995-06-06 1997-05-20 Analog Devices, Inc. Signal conditioning circuit for compressing audio signals
US6434246B1 (en) * 1995-10-10 2002-08-13 Gn Resound As Apparatus and methods for combining audio compression and feedback cancellation in a hearing aid
US5909460A (en) * 1995-12-07 1999-06-01 Ericsson, Inc. Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array
US6006108A (en) * 1996-01-31 1999-12-21 Qualcomm Incorporated Digital audio processing in a dual-mode telephone
US5796842A (en) 1996-06-07 1998-08-18 That Corporation BTSC encoder
US6037993A (en) * 1997-03-17 2000-03-14 Antec Corporation Digital BTSC compander system
US6259482B1 (en) * 1998-03-11 2001-07-10 Matthew F. Easley Digital BTSC compander system

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CA2255925A1 (en) 1997-12-11
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US20080095378A1 (en) 2008-04-24
US20110243333A1 (en) 2011-10-06
HK1122660A1 (en) 2009-05-22
US20080095381A1 (en) 2008-04-24
US20120087502A1 (en) 2012-04-12
AR013578A1 (es) 2001-01-10
US20110103466A1 (en) 2011-05-05
EP2339766A2 (en) 2011-06-29
US8284954B2 (en) 2012-10-09
CN1221528A (zh) 1999-06-30
AR024581A2 (es) 2002-10-16
US6118879A (en) 2000-09-12
US20080137871A1 (en) 2008-06-12
US5796842A (en) 1998-08-18
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US20080095379A1 (en) 2008-04-24
BR9714304B1 (pt) 2011-02-08
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CN101232334A (zh) 2008-07-30
EP2339766A3 (en) 2014-02-26
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AU3226297A (en) 1998-01-05
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