BR9711076A - Aparelho para reforçar a qualidade de um sinal de áudio de entrada, processo para reforçar a qualidade de sinais de áudio eletrônicos, e, meio de gravação. - Google Patents

Aparelho para reforçar a qualidade de um sinal de áudio de entrada, processo para reforçar a qualidade de sinais de áudio eletrônicos, e, meio de gravação.

Info

Publication number
BR9711076A
BR9711076A BR9711076-0A BR9711076A BR9711076A BR 9711076 A BR9711076 A BR 9711076A BR 9711076 A BR9711076 A BR 9711076A BR 9711076 A BR9711076 A BR 9711076A
Authority
BR
Brazil
Prior art keywords
audio signal
quality
enhancing
electronic
harmonics
Prior art date
Application number
BR9711076-0A
Other languages
English (en)
Inventor
Arturo J Garcia
Arturo H Garcia
Original Assignee
True Dimensional Sound 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
Application filed by True Dimensional Sound Inc filed Critical True Dimensional Sound Inc
Publication of BR9711076A publication Critical patent/BR9711076A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)

Abstract

"APARELHO PARA REFORçAR A QUALIDADE DE UM SINAL DE áUDIO DE ENTRADA, PROCESSO PARA REFORçAR A QUALIDADE DE SINAIS DE áUDIO ELETRôNICOS, E, MEIO DE GRAVAçãO". A presente invenção é um processo e aparelho para reforçar de forma simples e pouco dispendiosa um sinal de áudio eletrônico de tal modo que a qualidade do somaudível produzida a partir do sinal de áudio se aproxima mais adequada do som original ouvido ao vivo em um ambiente acusticamente projetado. A presente invenção restaura a percepção de harmônicas que são normalmente perdidas em um sinal de áudio eletrônico. O aparelho inclui um circuito (8) que faz com que um sinal de áudio entrada seja distorcido de tal modo que é produzido um sinal de áudio reforçado (31), o qual apresenta uma qualidade harmônica melhorada comparada àquela do sinal de áudio original de entrada. Esta distorção é uma amplificação não linear (33) de reforço de harmônicas ou freqüências no sinal de áudio de entrada. Isto é, uma faixa de harmônicas ou freqüências desejáveis no sinal de áudio de entrada é amplificada não uniformemente através da faixa.
BR9711076-0A 1996-08-13 1997-08-12 Aparelho para reforçar a qualidade de um sinal de áudio de entrada, processo para reforçar a qualidade de sinais de áudio eletrônicos, e, meio de gravação. BR9711076A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/700,728 US6275593B1 (en) 1996-05-10 1996-08-13 Apparatus and methods for the harmonic enhancement of electronic audio signals
PCT/US1997/013951 WO1998007234A1 (en) 1996-08-13 1997-08-12 Apparatus and methods for the harmonic enhancement of electronic audio signals

Publications (1)

Publication Number Publication Date
BR9711076A true BR9711076A (pt) 2000-01-11

Family

ID=24814637

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9711076-0A BR9711076A (pt) 1996-08-13 1997-08-12 Aparelho para reforçar a qualidade de um sinal de áudio de entrada, processo para reforçar a qualidade de sinais de áudio eletrônicos, e, meio de gravação.

Country Status (9)

Country Link
US (1) US6275593B1 (pt)
EP (1) EP0966790A4 (pt)
JP (1) JP2000517490A (pt)
KR (1) KR20000029950A (pt)
CN (1) CN1228205A (pt)
AU (1) AU4055997A (pt)
BR (1) BR9711076A (pt)
CA (1) CA2262736A1 (pt)
WO (1) WO1998007234A1 (pt)

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US20050259833A1 (en) * 1993-02-23 2005-11-24 Scarpino Frank A Frequency responses, apparatus and methods for the harmonic enhancement of audio signals
GB2330747B (en) * 1997-10-24 2002-10-16 Sony Uk Ltd Audio signal processors
FR2782595B1 (fr) * 1998-08-18 2001-04-20 Marc Charbonneaux Amplificateur harmonique transducteur electroacoustique
DE19955696A1 (de) * 1999-11-18 2001-06-13 Micronas Gmbh Vorrichtung zur Erzeugung von Oberwellen in einem Audiosignal
US6728721B1 (en) * 2000-06-23 2004-04-27 Microsoft Corporation System and method for maintaining a user's state within a database table
WO2002073792A2 (en) * 2001-03-09 2002-09-19 Techtronic A/S An electret condensor microphone preamplifier that is insensitive to leakage currents at the input
FI118368B (fi) * 2001-11-15 2007-10-15 Pekka Saastamoinen Menetelmä ja laitejärjestely audiojärjestelmän äänenlaadun parantamiseksi
AU2003210111A1 (en) * 2002-01-07 2003-07-24 Ronald L. Meyer Microphone support system
US7248702B2 (en) * 2003-01-06 2007-07-24 Thomas Nelson Packard Sound enhancement system
US7388959B2 (en) * 2003-08-22 2008-06-17 Bbe Sound, Inc. Harmonic generator and pre-amp
CN101998206A (zh) * 2009-08-20 2011-03-30 鸿富锦精密工业（深圳）有限公司 音频补偿装置
CN106331947B (zh) * 2015-06-30 2019-09-24 展讯通信（上海）有限公司 一种去除麦克风直流电平的编解码芯片及其方法
US11617046B2 (en) 2021-07-02 2023-03-28 Tenor Inc. Audio signal reproduction

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US3499988A (en) 1965-10-08 1970-03-10 Sanyo Electric Co Loudspeaker apparatus with audio frequency amplifier mounted thereon
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GB1551013A (en) 1975-11-07 1979-08-22 Rca Corp Power supply arrangement with minimum interaction between plural loads
DE2923307A1 (de) * 1979-06-08 1980-12-18 Bose Corp Verstaerkeranlage
KR830002126B1 (ko) 1982-04-10 1983-10-14 손동훈 저주파 트랜스
US4561707A (en) 1983-03-28 1985-12-31 Mcculloch Corporation Current-sheet inductor network and pulse-forming systems
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Also Published As

Publication number Publication date
EP0966790A4 (en) 2002-05-08
CN1228205A (zh) 1999-09-08
CA2262736A1 (en) 1998-02-19
WO1998007234A1 (en) 1998-02-19
US6275593B1 (en) 2001-08-14
KR20000029950A (ko) 2000-05-25
AU4055997A (en) 1998-03-06
JP2000517490A (ja) 2000-12-26
EP0966790A1 (en) 1999-12-29

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]