ES2067237T3 - Procedimiento para la transmision de señales acusticas digitalizadas y codificadas en bloque utilizando factores de escala. - Google Patents

Procedimiento para la transmision de señales acusticas digitalizadas y codificadas en bloque utilizando factores de escala.

Info

Publication number
ES2067237T3
ES2067237T3 ES91911829T ES91911829T ES2067237T3 ES 2067237 T3 ES2067237 T3 ES 2067237T3 ES 91911829 T ES91911829 T ES 91911829T ES 91911829 T ES91911829 T ES 91911829T ES 2067237 T3 ES2067237 T3 ES 2067237T3
Authority
ES
Spain
Prior art keywords
scale factors
audio signals
values
sequence
explored
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 - Lifetime
Application number
ES91911829T
Other languages
English (en)
Spanish (es)
Inventor
Detlef Wiese
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.)
Institut fuer Rundfunktechnik GmbH
Original Assignee
Institut fuer Rundfunktechnik GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6423777&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2067237(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Institut fuer Rundfunktechnik GmbH filed Critical Institut fuer Rundfunktechnik GmbH
Application granted granted Critical
Publication of ES2067237T3 publication Critical patent/ES2067237T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B1/667—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3053—Block-companding PCM systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Superheterodyne Receivers (AREA)
ES91911829T 1991-01-26 1991-06-27 Procedimiento para la transmision de señales acusticas digitalizadas y codificadas en bloque utilizando factores de escala. Expired - Lifetime ES2067237T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4102324A DE4102324C1 (https=) 1991-01-26 1991-01-26

Publications (1)

Publication Number Publication Date
ES2067237T3 true ES2067237T3 (es) 1995-03-16

Family

ID=6423777

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91911829T Expired - Lifetime ES2067237T3 (es) 1991-01-26 1991-06-27 Procedimiento para la transmision de señales acusticas digitalizadas y codificadas en bloque utilizando factores de escala.

Country Status (10)

Country Link
US (1) US5991715A (https=)
EP (1) EP0568532B1 (https=)
JP (1) JP2599660B2 (https=)
KR (1) KR960012085B1 (https=)
AT (1) ATE117476T1 (https=)
DE (2) DE4102324C1 (https=)
DK (1) DK0568532T3 (https=)
ES (1) ES2067237T3 (https=)
FI (1) FI105248B (https=)
WO (1) WO1992013396A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4202140A1 (de) * 1992-01-27 1993-07-29 Thomson Brandt Gmbh Verfahren zur uebertragung digitaler audio-signale
US5581653A (en) * 1993-08-31 1996-12-03 Dolby Laboratories Licensing Corporation Low bit-rate high-resolution spectral envelope coding for audio encoder and decoder
JPH11143497A (ja) * 1997-11-10 1999-05-28 Matsushita Electric Ind Co Ltd 圧縮されたテーブルを用いてサブバンドごとに量子化係数を復号化する方法
DE19947877C2 (de) * 1999-10-05 2001-09-13 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Einbringen von Informationen in einen Datenstrom sowie Verfahren und Vorrichtung zum Codieren eines Audiosignals
GB0103242D0 (en) * 2001-02-09 2001-03-28 Radioscape Ltd Method of analysing a compressed signal for the presence or absence of information content
US8290782B2 (en) * 2008-07-24 2012-10-16 Dts, Inc. Compression of audio scale-factors by two-dimensional transformation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0064119B1 (fr) * 1981-04-30 1985-08-28 International Business Machines Corporation Perfectionnement aux procédés de codage de la voix et dispositif de mise en oeuvre du procédé perfectionné
DE3328344C1 (de) * 1983-08-05 1984-12-20 Institut für Rundfunktechnik GmbH, 8000 München Verfahren zum Übertragen von digitalen Tonsignalen sowie Einrichtung zum Empfangen eines nach diesem Verfahren übertragenen Tonsignals
US4605963A (en) * 1983-08-15 1986-08-12 Rca Corporation Reduction of control bits for adaptive sub-nyquist encoder
JPS62165493A (ja) * 1986-01-16 1987-07-22 Canon Inc 情報信号伝送システム
DE3639753A1 (de) * 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
JPH01280800A (ja) * 1988-05-06 1989-11-10 Ricoh Co Ltd 符号化方式

Also Published As

Publication number Publication date
WO1992013396A1 (de) 1992-08-06
JPH07503342A (ja) 1995-04-06
FI105248B (fi) 2000-06-30
DE4102324C1 (https=) 1992-06-17
JP2599660B2 (ja) 1997-04-09
FI933324A0 (fi) 1993-07-23
KR930703746A (ko) 1993-11-30
EP0568532A1 (de) 1993-11-10
DK0568532T3 (da) 1995-05-22
ATE117476T1 (de) 1995-02-15
KR960012085B1 (ko) 1996-09-12
DE59104347D1 (de) 1995-03-02
EP0568532B1 (de) 1995-01-18
FI933324A7 (fi) 1993-07-23
US5991715A (en) 1999-11-23

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