ES408224A1 - Un sistema para la transmision digital de voz. - Google Patents

Un sistema para la transmision digital de voz.

Info

Publication number
ES408224A1
ES408224A1 ES408224A ES408224A ES408224A1 ES 408224 A1 ES408224 A1 ES 408224A1 ES 408224 A ES408224 A ES 408224A ES 408224 A ES408224 A ES 408224A ES 408224 A1 ES408224 A1 ES 408224A1
Authority
ES
Spain
Prior art keywords
signal
samples
components
transmission system
transmitter
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
Application number
ES408224A
Other languages
English (en)
Spanish (es)
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 Espana 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 Espana SA filed Critical Alcatel Espana SA
Publication of ES408224A1 publication Critical patent/ES408224A1/es
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
ES408224A 1971-11-04 1972-11-03 Un sistema para la transmision digital de voz. Expired ES408224A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5127671 1971-11-04

Publications (1)

Publication Number Publication Date
ES408224A1 true ES408224A1 (es) 1975-11-16

Family

ID=10459372

Family Applications (1)

Application Number Title Priority Date Filing Date
ES408224A Expired ES408224A1 (es) 1971-11-04 1972-11-03 Un sistema para la transmision digital de voz.

Country Status (9)

Country Link
JP (1) JPS4855608A (enExample)
AU (1) AU4811872A (enExample)
BE (1) BE790963A (enExample)
CH (1) CH561485A5 (enExample)
DE (1) DE2253222A1 (enExample)
ES (1) ES408224A1 (enExample)
FR (1) FR2160030A5 (enExample)
GB (1) GB1347794A (enExample)
IT (1) IT969974B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130055B (en) * 1982-11-05 1986-08-06 Stc Plc A digital speech transmission system
JPS63108108A (ja) * 1986-10-24 1988-05-13 Tokyo Met Gov 下水汚泥の焼却法

Also Published As

Publication number Publication date
DE2253222A1 (de) 1973-05-10
GB1347794A (en) 1974-02-27
JPS4855608A (enExample) 1973-08-04
FR2160030A5 (enExample) 1973-06-22
AU4811872A (en) 1974-04-26
BE790963A (fr) 1973-05-07
IT969974B (it) 1974-04-10
CH561485A5 (enExample) 1975-04-30

Similar Documents

Publication Publication Date Title
ES268034A1 (es) Sistema multiplex de divisiën de frecuencia
DK108094C (da) Overføringsanlæg til overføring af impulssignaler og den hertil hørende sender og modtager.
DK107877C (da) Overføringsanlæg til overføring af impulssignaler og sender og modtager til anvendelser heri.
ES344425A1 (es) Una disposicion de transmitir senales de informacion en unabanda de frecuencias prescrita.
ES408224A1 (es) Un sistema para la transmision digital de voz.
DK131839B (da) Fremgangsmåde til formindskelse af støjsignaler ved transmission af lavfrekvenssignaler i tidskomprimeret form.
ES294583A1 (es) Un receptor de señales
ES287295A1 (es) Un procedimiento para reducir las perturbaciones después de la detección de dos señales moduladas en frecuencia de tono
ES203030A1 (es) Un receptor de frecuencia vocal
ES314882A1 (es) Perfeccionamientos en o relativos a discriminadores de frecuencia para uso de receptores de senales electricas
ES224610A1 (es) UNA INSTALACIoN DE BANDA LATERAL uNICA
JPS5230135A (en) Branch unit
BE597509A (fr) Récepteur pour un système de transmission télégraphique synchronisé.
BE594477A (fr) Système de transmission de signaux en particulier pour les appels téléphoniques.
FR1371537A (fr) Système double de réglage silencieux pour radio-récepteur
JPS53140002A (en) Echo adding device for stereophonic acoustic reproducing system of two channel type
JPS53110308A (en) Multi-frequency signal receiving system
DK83483C (da) Fremgangsmåde til multipleksoverføring af fjernsynsinformationssignaler, samt sender og modtager til udøvelse af fremgangsmåden.
ES234595A1 (es) Perfeccionamientos en ecëmetros submarinos
ES318014A1 (es) Metodo para transmitir informacion con anchura de banda limitada.
ES292974A1 (es) Un circuito separador de sonido y video
JPS5374309A (en) Adaptive echo eraser
FR1183389A (fr) Récepteur pour télégraphie par déplacement de fréquence
DK80056C (da) Anlæg samt sender og modtager til overføring af stereofoniske signaler.
ES320876A1 (es) Método de senalizacion por teclado, a frecuencia vocal