ES488898A1 - Una disposicion perfeccionada para la reproduccion del soni-do en un espacio o recinto - Google Patents
Una disposicion perfeccionada para la reproduccion del soni-do en un espacio o recintoInfo
- Publication number
- ES488898A1 ES488898A1 ES488898A ES488898A ES488898A1 ES 488898 A1 ES488898 A1 ES 488898A1 ES 488898 A ES488898 A ES 488898A ES 488898 A ES488898 A ES 488898A ES 488898 A1 ES488898 A1 ES 488898A1
- Authority
- ES
- Spain
- Prior art keywords
- reproduction
- sound
- space
- signal
- control
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
- H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Control Of Amplification And Gain Control (AREA)
Abstract
Una disposición perfeccionada para la reproducción del sonido en un espacio o recinto, con una fuente de sonido independiente, obteniéndose un voltaje de control, que depende del nivel de dicha fuente de sonido, con ayuda de un transductor de sonido, cuyo voltaje de control influye sobre la ganancia y la respuesta a la frecuencia de un amplificador incluido en el canal de reproducción del sonido, caracterizada porque el canal de reproducción del sonido está dividido en al menos dos ramales, uno de los cuales no influye, o apenas influye; sobre la transmisión del sonido, mientras que al menos otro ramal tiene una característica de transferencia que desciende hacia las frecuencias de los graves (o bajas frecuencias) y comprende un compresor del margen dinámico, aplicándose las salidas de los ramales a un dispositivo para convertir las señales de salida de estos ramales en una proporción variable en una sola señal, cuya proporción es controlada por dicho voltaje de control disponiéndose ademásmedios que aseguran que el voltaje de control que es generado no es influenciado, o apenas lo es, por la señal que atraviesa el canal de reproducción del sonido.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7901477A NL7901477A (nl) | 1979-02-26 | 1979-02-26 | Geluidsweergave in een ruimte met een onafhankelijke geluidsbron. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES488898A1 true ES488898A1 (es) | 1980-09-16 |
Family
ID=19832688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES488898A Expired ES488898A1 (es) | 1979-02-26 | 1980-02-25 | Una disposicion perfeccionada para la reproduccion del soni-do en un espacio o recinto |
Country Status (12)
Country | Link |
---|---|
US (1) | US4322579A (es) |
JP (1) | JPS55117200A (es) |
AU (1) | AU526519B2 (es) |
CA (1) | CA1142859A (es) |
CH (1) | CH646286A5 (es) |
DE (1) | DE3006810A1 (es) |
DK (1) | DK155264C (es) |
ES (1) | ES488898A1 (es) |
FR (1) | FR2450002B1 (es) |
GB (1) | GB2044564B (es) |
IT (1) | IT1141380B (es) |
NL (1) | NL7901477A (es) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5715597A (en) * | 1980-07-02 | 1982-01-26 | Nippon Gakki Seizo Kk | Microphone device |
US4381488A (en) | 1981-02-18 | 1983-04-26 | Fricke Jobst P | Dynamic volume expander varying as a function of ambient noise level |
FR2502370A1 (fr) * | 1981-03-18 | 1982-09-24 | Trt Telecom Radio Electr | Dispositif de reduction du bruit dans un signal de parole mele de bruit |
US4536888A (en) * | 1981-08-21 | 1985-08-20 | Plantronics, Inc. | Voice communication instrument system with line-powered receiver conditioning circuit |
GB2123230B (en) * | 1982-04-28 | 1986-03-26 | Pioneer Electronic Corp | Automatic sound volume control device |
US4791672A (en) * | 1984-10-05 | 1988-12-13 | Audiotone, Inc. | Wearable digital hearing aid and method for improving hearing ability |
JPH01500952A (ja) * | 1986-08-13 | 1989-03-30 | アランダ・オーデイオ・アプリケーションズ・ピー・テイ・ワイ・リミテッド | 適応利得制御増幅器 |
US4809274A (en) * | 1986-09-19 | 1989-02-28 | M/A-Com Government Systems, Inc. | Digital audio companding and error conditioning |
US4696044A (en) * | 1986-09-29 | 1987-09-22 | Waller Jr James K | Dynamic noise reduction with logarithmic control |
GB2214013B (en) * | 1988-01-14 | 1992-04-22 | Hazel Grove Music Co Ltd | Sound level control equipment |
JP3034876B2 (ja) * | 1988-11-08 | 2000-04-17 | パイオニア株式会社 | 車載音響装置における自動音量調整装置 |
JP3193032B2 (ja) * | 1989-12-05 | 2001-07-30 | パイオニア株式会社 | 車載用自動音量調整装置 |
GB2257317A (en) * | 1991-06-26 | 1993-01-06 | Damian Rupert Lindley | Automatic volume control for car stereo |
FI90166C (fi) * | 1991-10-16 | 1993-12-27 | Nokia Mobile Phones Ltd | Cmos-kompander |
JPH07297900A (ja) * | 1994-04-26 | 1995-11-10 | Mitsubishi Electric Corp | 騒音対策通話機 |
GB2289583B (en) * | 1994-05-04 | 1999-06-23 | Gilden Research Ltd | Adaptive audio system |
JPH1083193A (ja) * | 1996-09-09 | 1998-03-31 | Matsushita Electric Ind Co Ltd | 音声合成装置および音声素片作成方法 |
US7190292B2 (en) * | 1999-11-29 | 2007-03-13 | Bizjak Karl M | Input level adjust system and method |
US7027981B2 (en) | 1999-11-29 | 2006-04-11 | Bizjak Karl M | System output control method and apparatus |
US6870830B1 (en) | 2000-11-30 | 2005-03-22 | 3Com Corporation | System and method for performing messaging services using a data communications channel in a data network telephone system |
US8249271B2 (en) * | 2007-01-23 | 2012-08-21 | Karl M. Bizjak | Noise analysis and extraction systems and methods |
US10284703B1 (en) * | 2015-08-05 | 2019-05-07 | Netabla, Inc. | Portable full duplex intercom system with bluetooth protocol and method of using the same |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2338551A (en) * | 1942-07-09 | 1944-01-04 | Rca Corp | Automatic volume control |
US2657264A (en) * | 1949-09-17 | 1953-10-27 | Bell Telephone Labor Inc | Automatic volume control |
DE2437697A1 (de) * | 1974-08-05 | 1976-02-26 | Deutsche Bundesbahn | Verfahren und einrichtung zur automatischen anpassung der lautstaerke eines lautsprechers oder hoerers an den stoerpegel der umgebung |
DE2456468C3 (de) * | 1974-11-29 | 1979-10-18 | Jobst Prof. Dr. 5000 Koeln Fricke | Elektroakustisch« Tonwiedergabeeinrichtung mit einem durch einen Störschalldetektor gesteuerten Verstärker |
US4061874A (en) * | 1976-06-03 | 1977-12-06 | Fricke J P | System for reproducing sound information |
US4061875A (en) * | 1977-02-22 | 1977-12-06 | Stephen Freifeld | Audio processor for use in high noise environments |
DE2752657A1 (de) * | 1977-11-25 | 1979-06-07 | Blaupunkt Werke Gmbh | Stoergeraeuschabhaengige lautstaerkensteuerung |
-
1979
- 1979-02-26 NL NL7901477A patent/NL7901477A/nl not_active Application Discontinuation
-
1980
- 1980-02-21 CA CA000346137A patent/CA1142859A/en not_active Expired
- 1980-02-22 IT IT20134/80A patent/IT1141380B/it active
- 1980-02-22 CH CH144380A patent/CH646286A5/de not_active IP Right Cessation
- 1980-02-22 DK DK078380A patent/DK155264C/da not_active IP Right Cessation
- 1980-02-22 GB GB8006012A patent/GB2044564B/en not_active Expired
- 1980-02-23 DE DE19803006810 patent/DE3006810A1/de active Granted
- 1980-02-25 FR FR8004094A patent/FR2450002B1/fr not_active Expired
- 1980-02-25 ES ES488898A patent/ES488898A1/es not_active Expired
- 1980-02-25 AU AU55849/80A patent/AU526519B2/en not_active Ceased
- 1980-02-26 JP JP2234980A patent/JPS55117200A/ja active Granted
- 1980-02-26 US US06/124,880 patent/US4322579A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3006810C2 (es) | 1988-03-31 |
FR2450002A1 (fr) | 1980-09-19 |
AU5584980A (en) | 1980-09-04 |
FR2450002B1 (fr) | 1986-07-25 |
DE3006810A1 (de) | 1980-09-11 |
AU526519B2 (en) | 1983-01-13 |
DK155264B (da) | 1989-03-13 |
CH646286A5 (de) | 1984-11-15 |
IT1141380B (it) | 1986-10-01 |
JPS55117200A (en) | 1980-09-09 |
CA1142859A (en) | 1983-03-15 |
IT8020134A0 (it) | 1980-02-22 |
US4322579A (en) | 1982-03-30 |
GB2044564B (en) | 1983-02-23 |
GB2044564A (en) | 1980-10-15 |
DK78380A (da) | 1980-08-27 |
NL7901477A (nl) | 1980-08-28 |
JPH02718B2 (es) | 1990-01-09 |
DK155264C (da) | 1989-07-24 |
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