ES2113320A1 - Dispositivo supresor del eco. - Google Patents

Dispositivo supresor del eco.

Info

Publication number
ES2113320A1
ES2113320A1 ES09601198A ES9601198A ES2113320A1 ES 2113320 A1 ES2113320 A1 ES 2113320A1 ES 09601198 A ES09601198 A ES 09601198A ES 9601198 A ES9601198 A ES 9601198A ES 2113320 A1 ES2113320 A1 ES 2113320A1
Authority
ES
Spain
Prior art keywords
attenuation
control circuit
voice
voice signals
subscribers
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.)
Granted
Application number
ES09601198A
Other languages
English (en)
Other versions
ES2113320B1 (es
Inventor
Fermin Y Del Castillo Rafae De
Font Monica Ramos
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Standard Electrics SA
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 Alcatel Standard Electrics SA filed Critical Alcatel Standard Electrics SA
Priority to ES9601198A priority Critical patent/ES2113320B1/es
Publication of ES2113320A1 publication Critical patent/ES2113320A1/es
Application granted granted Critical
Publication of ES2113320B1 publication Critical patent/ES2113320B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

DISPOSITIVO SUPRESOR DEL ECO. DISPOSITIVO SUPRESOR DEL ECO (DSE) QUE RECIBEN LOS ABONADOS DE UN SISTEMA DE COMUNICACIONES, QUE SE CONECTA EN LA PARTE DEL ENLACE A CUATRO HILOS Y QUE COMPRENDE DOS ATENUADORES DE SEÑAL (AS1 Y AS2) QUE APLICAN LA ATENUACION QUE DETERMINA UN CIRCUITO DE CONTROL DE ATENUACION (CC), DOS DETECTORES DE VOZ (DV1 Y DV2) QUE GENERAN UNAS SEÑALES DE VOZ (SV1 Y SV2) CON LAS CUALES EL CIRCUITO DE CONTROL DE ATENUACION (CC) DEFINE LOS ESTADOS DE LA COMUNICACION POR LOS QUE PASA LA CONVERSACION ENTRE ABONADOS; SIENDO LA ATENUACION APLICADA FUNCION DE LAS SEÑALES DE VOZ (SV1 Y SV2), DEL ESTADO ACTUAL Y DEL ESTADO ANTERIOR AL ACTUAL DE LA COMUNICACION. EL CIRCUITO DE CONTROL DE ATENUACION (CC) RECIBE Y GUARDA EN CADA INSTANTE LOS CAMBIOS DE NIVEL DE LAS SEÑALES DE VOZ (SV1 Y SV2) PROCEDENTES DE CADA UNO DE LOS DETECTORES DE VOZ (DV1, DV2).
ES9601198A 1996-05-30 1996-05-30 Dispositivo supresor del eco. Expired - Fee Related ES2113320B1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9601198A ES2113320B1 (es) 1996-05-30 1996-05-30 Dispositivo supresor del eco.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9601198A ES2113320B1 (es) 1996-05-30 1996-05-30 Dispositivo supresor del eco.

Publications (2)

Publication Number Publication Date
ES2113320A1 true ES2113320A1 (es) 1998-04-16
ES2113320B1 ES2113320B1 (es) 1999-01-16

Family

ID=8294984

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9601198A Expired - Fee Related ES2113320B1 (es) 1996-05-30 1996-05-30 Dispositivo supresor del eco.

Country Status (1)

Country Link
ES (1) ES2113320B1 (es)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985979A (en) * 1973-12-10 1976-10-12 Compagnie Industrielle Des Telecommunications Cit-Alcatel Half-echo suppressor for a terminal of a four-wire electric line
US4571465A (en) * 1982-10-11 1986-02-18 Radioelectriques et 501 Telecommunications Echo canceller for a baseband data signal
EP0704988A2 (en) * 1994-09-30 1996-04-03 Alcatel Standard Electrica, S.A. Cellular terminal with echo suppressor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985979A (en) * 1973-12-10 1976-10-12 Compagnie Industrielle Des Telecommunications Cit-Alcatel Half-echo suppressor for a terminal of a four-wire electric line
US4571465A (en) * 1982-10-11 1986-02-18 Radioelectriques et 501 Telecommunications Echo canceller for a baseband data signal
EP0704988A2 (en) * 1994-09-30 1996-04-03 Alcatel Standard Electrica, S.A. Cellular terminal with echo suppressor

Also Published As

Publication number Publication date
ES2113320B1 (es) 1999-01-16

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