ATE521963T1 - Verfahren und system zur wiederherstellung von niedrigfrequenzen in einem audiosignal - Google Patents

Verfahren und system zur wiederherstellung von niedrigfrequenzen in einem audiosignal

Info

Publication number
ATE521963T1
ATE521963T1 AT09290310T AT09290310T ATE521963T1 AT E521963 T1 ATE521963 T1 AT E521963T1 AT 09290310 T AT09290310 T AT 09290310T AT 09290310 T AT09290310 T AT 09290310T AT E521963 T1 ATE521963 T1 AT E521963T1
Authority
AT
Austria
Prior art keywords
audio signal
frequency
cut
low frequencies
signal
Prior art date
Application number
AT09290310T
Other languages
English (en)
Inventor
Muynke Julien De
Benoit Pochon
Guillaume Pinto
Original Assignee
Parrot
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 Parrot filed Critical Parrot
Application granted granted Critical
Publication of ATE521963T1 publication Critical patent/ATE521963T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Stereophonic System (AREA)
AT09290310T 2008-04-29 2009-04-29 Verfahren und system zur wiederherstellung von niedrigfrequenzen in einem audiosignal ATE521963T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0802388A FR2930672B1 (fr) 2008-04-29 2008-04-29 Procede et systeme de reconstitution de basses frequences dans un signal audio

Publications (1)

Publication Number Publication Date
ATE521963T1 true ATE521963T1 (de) 2011-09-15

Family

ID=39691221

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09290310T ATE521963T1 (de) 2008-04-29 2009-04-29 Verfahren und system zur wiederherstellung von niedrigfrequenzen in einem audiosignal

Country Status (5)

Country Link
US (1) US8213636B2 (de)
EP (1) EP2113913B1 (de)
AT (1) ATE521963T1 (de)
ES (1) ES2372259T3 (de)
FR (1) FR2930672B1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102422531B (zh) * 2009-06-29 2014-09-03 三菱电机株式会社 音频信号处理装置
US9966937B2 (en) * 2011-04-29 2018-05-08 Marvell World Trade Ltd. Frequency multipliers
CN102866296A (zh) 2011-07-08 2013-01-09 杜比实验室特许公司 估计非线性失真的方法和系统、调节参数的方法和系统
FR2980070B1 (fr) 2011-09-13 2013-11-15 Parrot Procede de renforcement des frequences graves dans un signal audio numerique.
US9712127B2 (en) 2012-01-11 2017-07-18 Richard Aylward Intelligent method and apparatus for spectral expansion of an input signal
US20140185850A1 (en) * 2013-01-02 2014-07-03 Starkey Laboratories, Inc. Method and apparatus for tonal enhancement in hearing aid
US9060223B2 (en) 2013-03-07 2015-06-16 Aphex, Llc Method and circuitry for processing audio signals
US9247342B2 (en) 2013-05-14 2016-01-26 James J. Croft, III Loudspeaker enclosure system with signal processor for enhanced perception of low frequency output
CN104778949B (zh) * 2014-01-09 2018-08-31 华硕电脑股份有限公司 音频处理方法及音频处理装置
US9333911B2 (en) * 2014-01-10 2016-05-10 Bose Corporation Engine sound management
CN108365837B (zh) * 2018-02-05 2021-11-09 中国电子科技集团公司第二十四研究所 消除脉冲信号通过隔直电容后基线变化的处理电路及方法
FR3097711B1 (fr) 2019-06-19 2022-06-24 Parrot Faurecia Automotive Sas Système audio autonome pour appui-tête de siège, appui-tête de siège et véhicule associés

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW343417B (en) * 1996-05-08 1998-10-21 Philips Eloctronics N V Circuit, audio system and method for processing signals, and a harmonics generator
US5930373A (en) * 1997-04-04 1999-07-27 K.S. Waves Ltd. Method and system for enhancing quality of sound signal
CN1158898C (zh) 1998-09-08 2004-07-21 皇家菲利浦电子有限公司 音频系统低音增强装置
US7242779B2 (en) * 2002-05-30 2007-07-10 Peavey Electronics Corporation Methods and apparatus for sub-harmonic generation, stereo expansion and distortion
CN1801611B (zh) * 2005-12-20 2010-05-05 深圳兰光电子集团有限公司 一种低音增效处理的方法和装置
US20070299655A1 (en) * 2006-06-22 2007-12-27 Nokia Corporation Method, Apparatus and Computer Program Product for Providing Low Frequency Expansion of Speech
SG144752A1 (en) * 2007-01-12 2008-08-28 Sony Corp Audio enhancement method and system
KR101310231B1 (ko) * 2007-01-18 2013-09-25 삼성전자주식회사 저음 증강 장치 및 방법

Also Published As

Publication number Publication date
ES2372259T3 (es) 2012-01-17
FR2930672B1 (fr) 2011-06-24
US8213636B2 (en) 2012-07-03
EP2113913B1 (de) 2011-08-24
FR2930672A1 (fr) 2009-10-30
EP2113913A1 (de) 2009-11-04
US20090323983A1 (en) 2009-12-31

Similar Documents

Publication Publication Date Title
ATE521963T1 (de) Verfahren und system zur wiederherstellung von niedrigfrequenzen in einem audiosignal
ATE439013T1 (de) Verfahren und einrichtung zur effizienten binauralen raumklangerzeugung im transformierten bereich
ATE412307T1 (de) Audiovorrichtung für verbesserte tonwiedergabe
ATE348492T1 (de) Verfahren und vorrichtung zur separierung von schallsignalen
TW200742477A (en) Method for virtual bass synthesis
WO2010013752A1 (ja) 演奏関連情報出力装置、演奏関連情報出力装置を備えるシステム、及び電子楽器
DE602006010323D1 (de) Audiosignaldekorrelator
ATE373301T1 (de) Vorrichtung und verfahren zur erzeugung eines pegelparameters und vorrichtung und verfahren zur erzeugung einer mehrkanal-repräsentation
GB2524345A (en) Apparatus and method for a celeste in an electronically-orbited speaker
RU2015110509A (ru) Устройство и способ обработки сигнала и программа
ATE547788T1 (de) Signaltrenner, verfahren zur bestimmung von ausgangssignalen auf grundlage von mikrofonsignalen und rechnerprogramm
ATE416455T1 (de) Verfahren und vorrichtung zum kodieren und dekodieren von mehrkanaltonsignalen
JP2012145895A5 (de)
ATE520260T1 (de) Verfahren und vorrichtung zur erweiterung der niederfrequenzausgabe eines lautsprechers
TW200707950A (en) Method for alignment of analog and digital audio in a hybrid radio waveform
RU2012157193A (ru) Система и способ для обработки звука
WO2008108082A1 (ja) 音声復号装置および音声復号方法
RU2013136387A (ru) Устройство и способ получения полного звукового сигнала
WO2014127773A3 (de) Audiosignal für ein synthetisches geräusch eines kraftfahrzeuges sowie verfahren zu dessen erzeugung
NZ599150A (en) Phase layering apparatus and method for a complete audio signal
ATE514291T1 (de) Verfahren zum betrieb einer hörvorrichtung und hörvorrichtung mit einer frequenzweiche
MY185848A (en) Audio decoder for interleaving signals
ATE463718T1 (de) Verfahren und systeme zur erzeugung eines klangs abgeleitet von einer phase
WO2015112266A3 (en) Epsilon-tube filter for blunt noise removal
RU2008120641A (ru) Устройство и способ для обработки звуковых данных

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties