AR024581A2 - Una disposicion adaptable de ponderacion digital de senales. - Google Patents
Una disposicion adaptable de ponderacion digital de senales.Info
- Publication number
- AR024581A2 AR024581A2 ARP000103119A ARP000103119A AR024581A2 AR 024581 A2 AR024581 A2 AR 024581A2 AR P000103119 A ARP000103119 A AR P000103119A AR P000103119 A ARP000103119 A AR P000103119A AR 024581 A2 AR024581 A2 AR 024581A2
- Authority
- AR
- Argentina
- Prior art keywords
- digital
- signal
- filtered
- channel
- audio signal
- Prior art date
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; ELECTRIC HEARING AIDS; 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)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (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 digital derechas 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 y digital 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.
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 |
|---|---|
| AR024581A2 true AR024581A2 (es) | 2002-10-16 |
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 |
| ARP000103119A AR024581A2 (es) | 1996-06-07 | 2000-06-22 | 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. |
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 |
|---|---|---|---|
| ARP000103120A AR024439A2 (es) | 1996-06-07 | 2000-06-22 | Una disposicion adaptable de ponderacion digital de senales. |
Country Status (10)
| Country | Link |
|---|---|
| US (16) | US5796842A (es) |
| EP (2) | EP2339766A3 (es) |
| JP (7) | JP2000513888A (es) |
| CN (3) | CN102890932B (es) |
| AR (3) | AR013578A1 (es) |
| AU (1) | AU739719B2 (es) |
| BR (4) | BR9715315B1 (es) |
| CA (1) | CA2255925C (es) |
| TW (1) | TW401713B (es) |
| WO (1) | WO1997047102A1 (es) |
Families Citing this family (104)
| 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 |
| US8019091B2 (en) | 2000-07-19 | 2011-09-13 | Aliphcom, Inc. | Voice activity detector (VAD) -based multiple-microphone acoustic noise suppression |
| US8280072B2 (en) | 2003-03-27 | 2012-10-02 | Aliphcom, Inc. | Microphone array with rear venting |
| 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 |
| JP2004535736A (ja) * | 2001-07-11 | 2004-11-25 | キマ ワイヤレス テクノロジィズ,インコーポレイテッド | 多重信号搬送波送信の装置および方法 |
| US6832078B2 (en) * | 2002-02-26 | 2004-12-14 | Broadcom Corporation | Scaling adjustment using pilot signal |
| US6859238B2 (en) * | 2002-02-26 | 2005-02-22 | Broadcom Corporation | Scaling adjustment to enhance stereo separation |
| US7079657B2 (en) * | 2002-02-26 | 2006-07-18 | Broadcom Corporation | System and method of performing digital multi-channel audio signal decoding |
| DE10255687B4 (de) * | 2002-11-28 | 2011-08-11 | Lantiq Deutschland GmbH, 85579 | Verfahren zur Verringerung des Crestfaktors eines Multiträgersignals |
| CN100559467C (zh) * | 2002-11-29 | 2009-11-11 | 皇家飞利浦电子股份有限公司 | 音频编码 |
| US9066186B2 (en) | 2003-01-30 | 2015-06-23 | Aliphcom | Light-based detection for acoustic applications |
| EP2254350A3 (en) * | 2003-03-03 | 2014-07-23 | 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 |
| AU2003224895A1 (en) * | 2003-04-09 | 2004-11-26 | Arris International, Inc. | Reciprocal index lookup for btsc compatible coefficients |
| 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 |
| ATE356405T1 (de) * | 2003-07-07 | 2007-03-15 | Koninkl Philips Electronics Nv | System und verfahren zur signalverarbeitung |
| 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 |
| US7557862B2 (en) * | 2003-08-14 | 2009-07-07 | Broadcom Corporation | Integrated circuit BTSC encoder |
| 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 |
| JP2007522706A (ja) * | 2004-01-19 | 2007-08-09 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | オーディオ信号処理システム |
| 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 |
| EP1759461B1 (en) * | 2004-06-10 | 2008-12-24 | Nxp B.V. | Method of cyclically converting an analog signal to a multi-bit digital output signal and converter for performing the method |
| US7639307B2 (en) * | 2004-08-03 | 2009-12-29 | That Corporation | Up-sampling television audio signals for encoding |
| US10848118B2 (en) | 2004-08-10 | 2020-11-24 | 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 |
| US11431312B2 (en) | 2004-08-10 | 2022-08-30 | 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 |
| MX2007001950A (es) * | 2004-08-17 | 2007-07-11 | That Corp | Filtro digital recursivo configurable que procesa senales de audio de television. |
| KR100616618B1 (ko) * | 2004-09-03 | 2006-08-28 | 삼성전기주식회사 | 고주파 모듈레이터 |
| CN101147397B (zh) * | 2004-09-17 | 2011-06-15 | 塔特公司 | 用于产生ntsc电视广播信号的系统和方法 |
| US20060083384A1 (en) * | 2004-10-15 | 2006-04-20 | Luciano Zoso | Amplitude and phase compensator for BTSC encoder |
| US20060188103A1 (en) * | 2005-02-18 | 2006-08-24 | Luciano Zoso | BTSC encoder with digital FM modulator feature |
| US20060188102A1 (en) * | 2005-02-18 | 2006-08-24 | Luciano Zoso | BTSC encoding method with digital FM modulation |
| 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 |
| US10069471B2 (en) | 2006-02-07 | 2018-09-04 | 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 |
| 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 |
| USD599879S1 (en) | 2007-09-21 | 2009-09-08 | Johnsondiversey, Inc. | Fluid dispenser |
| 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 |
| SG2014006738A (en) * | 2010-08-25 | 2014-03-28 | Fraunhofer Ges Forschung | An apparatus for encoding an audio signal having a plurality of channels |
| 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 |
| US9883318B2 (en) | 2013-06-12 | 2018-01-30 | 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 |
| US9906858B2 (en) | 2013-10-22 | 2018-02-27 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US10639000B2 (en) | 2014-04-16 | 2020-05-05 | 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 |
| US9615813B2 (en) | 2014-04-16 | 2017-04-11 | 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 |
| US20180229468A1 (en) * | 2015-07-31 | 2018-08-16 | Higher Dimension Materials, Inc. | Embossed fabric assembly |
| CN107750429A (zh) * | 2015-08-05 | 2018-03-02 | 松下知识产权经营株式会社 | 电机控制装置 |
| US9906867B2 (en) | 2015-11-16 | 2018-02-27 | Bongiovi Acoustics Llc | Surface acoustic transducer |
| US9621994B1 (en) | 2015-11-16 | 2017-04-11 | Bongiovi Acoustics Llc | Surface acoustic transducer |
| 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 |
| JP7076824B2 (ja) * | 2017-01-04 | 2022-05-30 | ザット コーポレイション | 複数のオーディオ強調モードに構成可能なシステム |
| 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 |
| JP2021521700A (ja) | 2018-04-11 | 2021-08-26 | 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 | オーディオ強化聴力保護システム |
| 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 |
| US10819363B2 (en) | 2018-09-25 | 2020-10-27 | Cirrus Logic, Inc. | Modulators |
| US10574256B1 (en) * | 2018-09-25 | 2020-02-25 | Cirrus Logic, Inc. | Modulators |
| CN113841197B (zh) * | 2019-03-14 | 2022-12-27 | 博姆云360公司 | 具有优先级的空间感知多频带压缩系统 |
| CN113841409B (zh) * | 2019-05-10 | 2023-12-19 | 北京字节跳动网络技术有限公司 | 用于视频处理的简化二次变换的有条件使用 |
| CN113950828B (zh) | 2019-06-07 | 2024-07-05 | 北京字节跳动网络技术有限公司 | 视频比特流中的简化二次变换的有条件信令 |
| WO2021023151A1 (en) | 2019-08-03 | 2021-02-11 | Beijing Bytedance Network Technology Co., Ltd. | Position based mode derivation in reduced secondary transforms for video |
| CN118632034A (zh) | 2019-08-17 | 2024-09-10 | 北京字节跳动网络技术有限公司 | 为视频中的缩减二次变换的边信息的上下文建模 |
| 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 |
| CN117678014B (zh) * | 2021-07-08 | 2025-01-03 | 博姆云360公司 | 使用全通滤波器网络的仰角感知线索的无色生成 |
Family Cites Families (51)
| 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 |
| DE3886740D1 (de) * | 1988-06-07 | 1994-02-10 | Itt Ind Gmbh Deutsche | 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 |
| ES2135408T3 (es) | 1991-05-29 | 1999-11-01 | Pacific Microsonics Inc | Sistema mejorado de codificacion/decodificacion de señales. |
| 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 |
-
1996
- 1996-06-07 US US08/661,412 patent/US5796842A/en not_active Expired - Lifetime
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1997
- 1997-06-02 WO PCT/US1997/009493 patent/WO1997047102A1/en not_active Ceased
- 1997-06-02 CA CA002255925A patent/CA2255925C/en not_active Expired - Fee Related
- 1997-06-02 BR BRPI9715315-0A patent/BR9715315B1/pt not_active IP Right Cessation
- 1997-06-02 AU AU32262/97A patent/AU739719B2/en not_active Ceased
- 1997-06-02 JP JP10500762A patent/JP2000513888A/ja active Pending
- 1997-06-02 EP EP10186317.3A patent/EP2339766A3/en not_active Withdrawn
- 1997-06-02 CN CN201210251375.6A patent/CN102890932B/zh not_active Expired - Lifetime
- 1997-06-02 EP EP97927918A patent/EP0974211A4/en not_active Withdrawn
- 1997-06-02 CN CN2007101928722A patent/CN101232334B/zh not_active Expired - Lifetime
- 1997-06-02 BR BRPI9714304-9A patent/BR9714304B1/pt not_active IP Right Cessation
- 1997-06-02 BR BRPI9715353-2A patent/BR9715353B1/pt not_active IP Right Cessation
- 1997-06-02 BR BRPI9715316-8A patent/BR9715316B1/pt not_active IP Right Cessation
- 1997-06-02 CN CNB971953422A patent/CN100362777C/zh not_active Expired - Lifetime
- 1997-06-05 TW TW086107722A patent/TW401713B/zh not_active IP Right Cessation
- 1997-06-06 AR ARP970102480A patent/AR013578A1/es unknown
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1998
- 1998-03-12 US US09/041,244 patent/US6118879A/en not_active Expired - Lifetime
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2000
- 2000-06-22 AR ARP000103119A patent/AR024581A2/es active IP Right Grant
- 2000-06-22 AR ARP000103120A patent/AR024439A2/es active IP Right Grant
- 2000-08-14 US US09/638,245 patent/US20080137871A1/en not_active Abandoned
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2007
- 2007-10-30 US US11/927,734 patent/US20080095381A1/en not_active Abandoned
- 2007-10-30 US US11/927,739 patent/US20080095376A1/en not_active Abandoned
- 2007-10-30 US US11/927,742 patent/US20080095377A1/en not_active Abandoned
- 2007-10-30 US US11/927,746 patent/US20080095378A1/en not_active Abandoned
- 2007-10-30 US US11/927,751 patent/US8284954B2/en not_active Expired - Fee Related
- 2007-10-31 US US11/930,241 patent/US20080095380A1/en not_active Abandoned
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2008
- 2008-05-14 JP JP2008127502A patent/JP2008242477A/ja active Pending
- 2008-05-14 JP JP2008127499A patent/JP4746647B2/ja not_active Expired - Lifetime
- 2008-05-14 JP JP2008127500A patent/JP2008242476A/ja active Pending
- 2008-05-14 JP JP2008127501A patent/JP2008203891A/ja active Pending
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2011
- 2011-01-21 US US13/011,396 patent/US20110103466A1/en not_active Abandoned
- 2011-02-22 US US13/032,528 patent/US20110134992A1/en not_active Abandoned
- 2011-05-16 US US13/108,076 patent/US20110205429A1/en not_active Abandoned
- 2011-06-16 US US13/161,834 patent/US20110235705A1/en not_active Abandoned
- 2011-06-29 US US13/172,116 patent/US20110243333A1/en not_active Abandoned
- 2011-12-13 US US13/324,566 patent/US20120082206A1/en not_active Abandoned
- 2011-12-19 US US13/329,516 patent/US20120087502A1/en not_active Abandoned
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2012
- 2012-09-07 JP JP2012197355A patent/JP5538501B2/ja not_active Expired - Lifetime
- 2012-09-07 JP JP2012197354A patent/JP2013015855A/ja active Pending
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