FI950490A - Menetelmä ja järjestely puheen siirtämiseksi viestinjärjestelmässä - Google Patents

Menetelmä ja järjestely puheen siirtämiseksi viestinjärjestelmässä Download PDF

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Publication number
FI950490A
FI950490A FI950490A FI950490A FI950490A FI 950490 A FI950490 A FI 950490A FI 950490 A FI950490 A FI 950490A FI 950490 A FI950490 A FI 950490A FI 950490 A FI950490 A FI 950490A
Authority
FI
Finland
Prior art keywords
arrangement
messaging system
transmitting speech
speech
transmitting
Prior art date
Application number
FI950490A
Other languages
English (en)
Swedish (sv)
Other versions
FI950490A0 (fi
Inventor
Egon Schulz
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of FI950490A0 publication Critical patent/FI950490A0/fi
Publication of FI950490A publication Critical patent/FI950490A/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0059—Convolutional codes
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L19/04—Speech 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/007—Unequal error protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computational Linguistics (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)
  • Mobile Radio Communication Systems (AREA)
FI950490A 1994-02-03 1995-02-03 Menetelmä ja järjestely puheen siirtämiseksi viestinjärjestelmässä FI950490A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19944403356 DE4403356C2 (de) 1994-02-03 1994-02-03 Verfahren und Anordnung zum Übertragen von Sprache in einem Funksystem

Publications (2)

Publication Number Publication Date
FI950490A0 FI950490A0 (fi) 1995-02-03
FI950490A true FI950490A (fi) 1995-08-04

Family

ID=6509405

Family Applications (1)

Application Number Title Priority Date Filing Date
FI950490A FI950490A (fi) 1994-02-03 1995-02-03 Menetelmä ja järjestely puheen siirtämiseksi viestinjärjestelmässä

Country Status (3)

Country Link
EP (1) EP0666698A1 (fi)
DE (1) DE4403356C2 (fi)
FI (1) FI950490A (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19703732A1 (de) * 1997-01-31 1998-08-06 Alsthom Cge Alcatel Mehrere Funkfrequenzen benutzendes Funknetz sowie Funkfeststation und Steuereinrichtung dafür
FI105635B (fi) * 1998-09-01 2000-09-15 Nokia Mobile Phones Ltd Menetelmä taustakohinainformaation lähettämiseksi tietokehysmuotoisessa tiedonsiirrossa
EP1317090A1 (de) * 2001-11-29 2003-06-04 Siemens Aktiengesellschaft Verfahren und Vorrichtung zum Codieren verschiedener Paketdaten für verschiedene Empfänger

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL56382A (en) * 1978-02-13 1981-05-20 Motorola Inc Method and apparatus for a radiotelephone communications system
EP0219559B1 (de) * 1985-10-17 1990-09-05 ANT Nachrichtentechnik GmbH Mobilfunksystem für die Übertragung sowohl digitaler als auch analoger Signale
DE4401329C2 (de) * 1994-01-18 1997-04-03 Siemens Ag Verfahren und Anordnung sowie Teilnehmerstation und Zentralstation zum Übertragen von Sprachinformation in einem Funksystem

Also Published As

Publication number Publication date
DE4403356C2 (de) 1997-03-06
FI950490A0 (fi) 1995-02-03
EP0666698A1 (de) 1995-08-09
DE4403356A1 (de) 1995-08-31

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