HK55496A - Process for transmitting an audio signal - Google Patents

Process for transmitting an audio signal

Info

Publication number
HK55496A
HK55496A HK55496A HK55496A HK55496A HK 55496 A HK55496 A HK 55496A HK 55496 A HK55496 A HK 55496A HK 55496 A HK55496 A HK 55496A HK 55496 A HK55496 A HK 55496A
Authority
HK
Hong Kong
Prior art keywords
blocks
signal
transformation
pct
sub
Prior art date
Application number
HK55496A
Other languages
English (en)
Inventor
Gerhard Dickopp
Detlef Krahe
Thomas Vaupel
Original Assignee
Thomson Consumer Electronics
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
Priority claimed from DE3817864A external-priority patent/DE3817864A1/de
Application filed by Thomson Consumer Electronics filed Critical Thomson Consumer Electronics
Publication of HK55496A publication Critical patent/HK55496A/xx

Links

Classifications

    • 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
    • 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
    • H04B1/665—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 psychoacoustic properties of the ear, e.g. masking effect

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
HK55496A 1988-05-26 1996-03-28 Process for transmitting an audio signal HK55496A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3817864A DE3817864A1 (de) 1988-05-26 1988-05-26 Verfahren zur uebertragung eines audiosignals
DE3817788 1988-05-26
DE3817789 1988-05-26

Publications (1)

Publication Number Publication Date
HK55496A true HK55496A (en) 1996-04-03

Family

ID=27197680

Family Applications (1)

Application Number Title Priority Date Filing Date
HK55496A HK55496A (en) 1988-05-26 1996-03-28 Process for transmitting an audio signal

Country Status (8)

Country Link
US (1) US5179623A (fr)
EP (1) EP0378609B1 (fr)
JP (1) JP3171840B2 (fr)
KR (1) KR970002686B1 (fr)
AT (1) ATE111271T1 (fr)
DE (1) DE58908326D1 (fr)
HK (1) HK55496A (fr)
WO (1) WO1989011759A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2913731B2 (ja) * 1990-03-07 1999-06-28 ソニー株式会社 ディジタルデータの高能率符号化方法
JP2861238B2 (ja) * 1990-04-20 1999-02-24 ソニー株式会社 ディジタル信号符号化方法
DE4020656A1 (de) * 1990-06-29 1992-01-02 Thomson Brandt Gmbh Verfahren zur uebertragung eines signals
DE4211945C1 (fr) * 1992-04-09 1993-05-19 Institut Fuer Rundfunktechnik Gmbh, 8000 Muenchen, De
US20050259833A1 (en) * 1993-02-23 2005-11-24 Scarpino Frank A Frequency responses, apparatus and methods for the harmonic enhancement of audio signals
US5451954A (en) * 1993-08-04 1995-09-19 Dolby Laboratories Licensing Corporation Quantization noise suppression for encoder/decoder system
US5625743A (en) * 1994-10-07 1997-04-29 Motorola, Inc. Determining a masking level for a subband in a subband audio encoder
DE10000934C1 (de) * 2000-01-12 2001-09-27 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Bestimmen eines Codierungs-Blockrasters eines decodierten Signals
US6931292B1 (en) * 2000-06-19 2005-08-16 Jabra Corporation Noise reduction method and apparatus

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3238298A (en) * 1962-05-07 1966-03-01 Avco Corp Multiplex communication system with multiline digital buffer
US4045616A (en) * 1975-05-23 1977-08-30 Time Data Corporation Vocoder system
DE2908321C2 (de) * 1979-03-03 1984-06-28 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Schaltungsanordnung zum Übertragen oder Speichern eines breitbandigen kontinuierlichen Signals in mehreren schmalbandigen Kanälen
JPS5857758B2 (ja) * 1979-09-28 1983-12-21 株式会社日立製作所 音声ピッチ周期抽出装置
DE3310480C2 (de) * 1983-03-23 1986-02-13 Seitzer, Dieter, Prof. Dr.-Ing., 8520 Erlangen Digitales Codierverfahren für Audiosignale
WO1986003873A1 (fr) * 1984-12-20 1986-07-03 Gte Laboratories Incorporated Procede et appareil de codage de la parole
DE3506912A1 (de) * 1985-02-27 1986-08-28 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Verfahren zur uebertragung eines audiosignals
US4747143A (en) * 1985-07-12 1988-05-24 Westinghouse Electric Corp. Speech enhancement system having dynamic gain control
JP2792853B2 (ja) * 1986-06-27 1998-09-03 トムソン コンシューマー エレクトロニクス セイルズ ゲゼルシャフト ミット ベシュレンクテル ハフツング オーディオ信号の伝送方法及び装置
US4759071A (en) * 1986-08-14 1988-07-19 Richards Medical Company Automatic noise eliminator for hearing aids
DE3703143A1 (de) * 1987-02-03 1988-08-11 Thomson Brandt Gmbh Verfahren zur uebertragung eines audiosignals

Also Published As

Publication number Publication date
DE58908326D1 (de) 1994-10-13
WO1989011759A1 (fr) 1989-11-30
JPH02504457A (ja) 1990-12-13
KR900702672A (ko) 1990-12-08
US5179623A (en) 1993-01-12
EP0378609A1 (fr) 1990-07-25
EP0378609B1 (fr) 1994-09-07
JP3171840B2 (ja) 2001-06-04
KR970002686B1 (ko) 1997-03-08
ATE111271T1 (de) 1994-09-15

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Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20090523