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ITTO950869A1 - Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio. - Google Patents

Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio.

Info

Publication number
ITTO950869A1
ITTO950869A1 IT95TO000869A ITTO950869A ITTO950869A1 IT TO950869 A1 ITTO950869 A1 IT TO950869A1 IT 95TO000869 A IT95TO000869 A IT 95TO000869A IT TO950869 A ITTO950869 A IT TO950869A IT TO950869 A1 ITTO950869 A1 IT TO950869A1
Authority
IT
Italy
Prior art keywords
handling
coder
signal
coding
procedure
Prior art date
Application number
IT95TO000869A
Other languages
English (en)
Inventor
Luca Cellario
Michele Festa
Jorg Martin Muller
Daniele Sereno
Original Assignee
Cselt Centro Studi Lab Telecom
Bosch Gmbh Robert
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 Cselt Centro Studi Lab Telecom, Bosch Gmbh Robert filed Critical Cselt Centro Studi Lab Telecom
Publication of ITTO950869A0 publication Critical patent/ITTO950869A0/it
Priority to IT95TO000869A priority Critical patent/IT1281001B1/it
Priority to JP51629697A priority patent/JP3168012B2/ja
Priority to DE69603743T priority patent/DE69603743T2/de
Priority to ES96937255T priority patent/ES2135931T3/es
Priority to EP96937255A priority patent/EP0857375B1/en
Priority to US09/068,136 priority patent/US6108626A/en
Priority to PCT/EP1996/004669 priority patent/WO1997015983A1/en
Priority to AT96937255T priority patent/ATE183346T1/de
Publication of ITTO950869A1 publication Critical patent/ITTO950869A1/it
Application granted granted Critical
Publication of IT1281001B1 publication Critical patent/IT1281001B1/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H04B14/046—Systems or methods for reducing noise or bandwidth
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

IL PROCEDIMENTO E L'APPARECCHIATURA PERMETTONO LA CODIFICA, MANIPOLAZIONE E DECODIFICA DI SEGNALI AUDIO INDIPENDENTEMENTE DAL CONTENUTO SPECIFICO DEL SEGNALE. UN CODIFICATORE (AC) EFFETTUA UNA CODIFICA PER OGGETTI E GENERA UN SEGNALE CODIFICATO, A VELOCITA' E BANDA VARIABILI, COMPRENDENTE UN LIVELLO BASE E UNO O PIU' LIVELLI DI MIGLIORAMENTO DELLA QUALITA' PER OGNI OGGETTO. IL CODIFICATORE (AC) E' IN GRADO DI OPERARE SIA SECONDO ALGORITMI AD HOC SIA CON QUALSIASI ALGORITMO STANDARD E SCEGLIE L'ALGORITMO PIU' ADATTO IN BASE ALL'OGGETTO DA CODIFICARE. UNITA' DI MANIPOLAZIONE DEL FLUSSO DI BIT LUNGO UN CANALE DI TRASMISSIONE VERSO UN CODIFICATORE (AD) PERMETTONO UNO SCALAMENTO DELLA VELOCITA' E/O DELLA LARGHEZZA DI BANDA DEL SEGNALE CODIFICATO O UN'ALTERAZIONE DEI PARAMETRI DEL SEGNALE AGENDO SUI SINGOLI OGGETTI..(FIG. 1)
IT95TO000869A 1995-10-27 1995-10-27 Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio. IT1281001B1 (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT95TO000869A IT1281001B1 (it) 1995-10-27 1995-10-27 Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio.
EP96937255A EP0857375B1 (en) 1995-10-27 1996-10-25 Method of and apparatus for coding, manipulating and decoding audio signals
DE69603743T DE69603743T2 (de) 1995-10-27 1996-10-25 Verfahren und gerät zum kodieren, behandeln und dekodieren von audiosignalen
ES96937255T ES2135931T3 (es) 1995-10-27 1996-10-25 Procedimiento y equipo para codificar, manipular y descodificar, señales de audio.
JP51629697A JP3168012B2 (ja) 1995-10-27 1996-10-25 音声信号をコード化、操作及びデコード化する方法及び装置
US09/068,136 US6108626A (en) 1995-10-27 1996-10-25 Object oriented audio coding
PCT/EP1996/004669 WO1997015983A1 (en) 1995-10-27 1996-10-25 Method of and apparatus for coding, manipulating and decoding audio signals
AT96937255T ATE183346T1 (de) 1995-10-27 1996-10-25 Verfahren und gerät zum kodieren, behandeln und dekodieren von audiosignalen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT95TO000869A IT1281001B1 (it) 1995-10-27 1995-10-27 Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio.

Publications (3)

Publication Number Publication Date
ITTO950869A0 ITTO950869A0 (it) 1995-10-27
ITTO950869A1 true ITTO950869A1 (it) 1997-04-28
IT1281001B1 IT1281001B1 (it) 1998-02-11

Family

ID=11413922

Family Applications (1)

Application Number Title Priority Date Filing Date
IT95TO000869A IT1281001B1 (it) 1995-10-27 1995-10-27 Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio.

Country Status (8)

Country Link
US (1) US6108626A (it)
EP (1) EP0857375B1 (it)
JP (1) JP3168012B2 (it)
AT (1) ATE183346T1 (it)
DE (1) DE69603743T2 (it)
ES (1) ES2135931T3 (it)
IT (1) IT1281001B1 (it)
WO (1) WO1997015983A1 (it)

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* Cited by examiner, † Cited by third party
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US7979282B2 (en) 2006-09-29 2011-07-12 Lg Electronics Inc. Methods and apparatuses for encoding and decoding object-based audio signals

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ITTO950869A0 (it) 1995-10-27
JPH10512423A (ja) 1998-11-24
EP0857375A1 (en) 1998-08-12
WO1997015983A1 (en) 1997-05-01
EP0857375B1 (en) 1999-08-11
ATE183346T1 (de) 1999-08-15
US6108626A (en) 2000-08-22
DE69603743T2 (de) 2000-06-08

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