ES2111670T3 - Disposicion de circuitos para instalaciones electroacusticas. - Google Patents
Disposicion de circuitos para instalaciones electroacusticas.Info
- Publication number
- ES2111670T3 ES2111670T3 ES93112858T ES93112858T ES2111670T3 ES 2111670 T3 ES2111670 T3 ES 2111670T3 ES 93112858 T ES93112858 T ES 93112858T ES 93112858 T ES93112858 T ES 93112858T ES 2111670 T3 ES2111670 T3 ES 2111670T3
- Authority
- ES
- Spain
- Prior art keywords
- electroacoustic
- installations
- hands
- echo signals
- speech phase
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers
- H04R3/02—Circuits for transducers for preventing acoustic reaction, i.e. acoustic oscillatory feedback
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Stereophonic System (AREA)
- Transceivers (AREA)
Abstract
EN UN CIRCUITO CON MEDIOS PARA LA SUPRESION DE ECOS POR CONTROL DE LA ATENUACION DE RETORNO PARA INSTALACIONES ELECTROACUSTICAS, EN ESPECIAL PARA UN EQUIPO 1 TERMINAL DE COMUNICACIONES CON UN DISPOSITIVO 9 DE "MANOS LIBRES" CON SECCION DE TRANSMISION Y DE RECEPCION 2 Y 5 ASI COMO CON AMPLIFICADORES VS,4 Y VE,6 CON AMPLIFICACION VARIABLE SE AJUSTA LA ATENUACION DE RETORNO DE TAL MANERA, QUE LAS SEÑALES DE ECO QUE SE PRODUZCAN EN LA FASE DE EMISION DE VOZ SEAN REDUCIDAS A NIVELES NO MOLESTOS (ENCUBRIMIENTO SIMULTANEO). SEGUN EL INVENTO SE PREVEN O SE PUEDEN CONECTAR ADICIONALMENTE MEDIOS 10 CON LOS QUE TAMBIEN ES POSIBLE, DE FORMA INDIVIDUAL O AUTOMATICA, SUPRIMIR O REDUCIR A NIVELES NO MOLESTOS SEÑALES DE ECO, QUE SE PRODUCEN DESPUES DE LA FASE DE EMISION DE VOZ Y DE LA REDUCCION DEL NIVEL DE ESCUCHA DEL OIDO HUMANO. CON ELLO TAMBIEN ES POSIBLE CON UN COSTE PEQUEÑO UNA COMUNICACION CON "MANOS LIBRES" CORRECTA INCLUSO CON LOS APARATOS 1 TERMINALES USUALES, CUANDO LA COMUNICACION TIENE LUGAR SOBRE RUTAS DE TRANSMISION LARGAS, COMO POR EJEMPLO SATELITES O RUTAS DE TRANSMISION CON TIEMPOS DE PROPAGACION GRANDES.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4228479A DE4228479A1 (de) | 1992-08-27 | 1992-08-27 | Schaltungsanordnung für elektroakustische Anlagen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2111670T3 true ES2111670T3 (es) | 1998-03-16 |
Family
ID=6466544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES93112858T Expired - Lifetime ES2111670T3 (es) | 1992-08-27 | 1993-08-11 | Disposicion de circuitos para instalaciones electroacusticas. |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0584649B1 (es) |
| AT (1) | ATE160915T1 (es) |
| DE (2) | DE4228479A1 (es) |
| ES (1) | ES2111670T3 (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19650410C1 (de) * | 1996-12-05 | 1998-05-07 | Deutsche Telekom Ag | Verfahren und Vorrichtung zur Stör- und Echounterdrückung |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH042928A (ja) * | 1990-04-19 | 1992-01-07 | Matsushita Electric Ind Co Ltd | 音場制御装置 |
| JPH0477093A (ja) * | 1990-07-16 | 1992-03-11 | Pioneer Electron Corp | ハウリング防止機能を備えた音響装置 |
| GB2249852A (en) * | 1990-10-29 | 1992-05-20 | Sandia Corp | Circuit for echo and noise suppression of acoustic signals transmitted through a drillstring |
-
1992
- 1992-08-27 DE DE4228479A patent/DE4228479A1/de not_active Withdrawn
-
1993
- 1993-08-11 DE DE59307766T patent/DE59307766D1/de not_active Expired - Fee Related
- 1993-08-11 AT AT93112858T patent/ATE160915T1/de not_active IP Right Cessation
- 1993-08-11 ES ES93112858T patent/ES2111670T3/es not_active Expired - Lifetime
- 1993-08-11 EP EP93112858A patent/EP0584649B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE4228479A1 (de) | 1994-03-03 |
| ATE160915T1 (de) | 1997-12-15 |
| EP0584649A1 (de) | 1994-03-02 |
| EP0584649B1 (de) | 1997-12-03 |
| DE59307766D1 (de) | 1998-01-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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