FI105248B - Menetelmä digitoitujen, lohkokoodattujen äänisignaalien siirtämiseksi skaalauskertoimia käyttäen - Google Patents

Menetelmä digitoitujen, lohkokoodattujen äänisignaalien siirtämiseksi skaalauskertoimia käyttäen Download PDF

Info

Publication number
FI105248B
FI105248B FI933324A FI933324A FI105248B FI 105248 B FI105248 B FI 105248B FI 933324 A FI933324 A FI 933324A FI 933324 A FI933324 A FI 933324A FI 105248 B FI105248 B FI 105248B
Authority
FI
Finland
Prior art keywords
scaling factors
spectral
image
audio signals
block
Prior art date
Application number
FI933324A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI933324A7 (fi
FI933324A0 (fi
Inventor
Detlefy Wiese
Original Assignee
Inst 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=FI105248(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Inst Rundfunktechnik Gmbh filed Critical Inst Rundfunktechnik Gmbh
Publication of FI933324A7 publication Critical patent/FI933324A7/fi
Publication of FI933324A0 publication Critical patent/FI933324A0/fi
Application granted granted Critical
Publication of FI105248B publication Critical patent/FI105248B/fi

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
    • 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
    • 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
    • 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)
FI933324A 1991-01-26 1993-07-23 Menetelmä digitoitujen, lohkokoodattujen äänisignaalien siirtämiseksi skaalauskertoimia käyttäen FI105248B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4102324 1991-01-26
DE4102324A DE4102324C1 (enExample) 1991-01-26 1991-01-26
PCT/EP1991/001211 WO1992013396A1 (de) 1991-01-26 1991-06-27 Verfahren zum übertragen digitalisierter, blockcodierter tonsignale unter verwendung von skalenfaktoren
EP9101211 1991-06-27

Publications (3)

Publication Number Publication Date
FI933324A7 FI933324A7 (fi) 1993-07-23
FI933324A0 FI933324A0 (fi) 1993-07-23
FI105248B true FI105248B (fi) 2000-06-30

Family

ID=6423777

Family Applications (1)

Application Number Title Priority Date Filing Date
FI933324A FI105248B (fi) 1991-01-26 1993-07-23 Menetelmä digitoitujen, lohkokoodattujen äänisignaalien siirtämiseksi skaalauskertoimia käyttäen

Country Status (10)

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

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
DE3171990D1 (en) * 1981-04-30 1985-10-03 Ibm Speech coding methods and apparatus for carrying out the method
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
JPH07503342A (ja) 1995-04-06
EP0568532A1 (de) 1993-11-10
DE4102324C1 (enExample) 1992-06-17
WO1992013396A1 (de) 1992-08-06
ATE117476T1 (de) 1995-02-15
JP2599660B2 (ja) 1997-04-09
ES2067237T3 (es) 1995-03-16
DE59104347D1 (de) 1995-03-02
KR960012085B1 (ko) 1996-09-12
EP0568532B1 (de) 1995-01-18
KR930703746A (ko) 1993-11-30
US5991715A (en) 1999-11-23
FI933324A7 (fi) 1993-07-23
FI933324A0 (fi) 1993-07-23
DK0568532T3 (da) 1995-05-22

Similar Documents

Publication Publication Date Title
EP0405572B1 (en) Voice coding/decoding system
CA2327627C (en) Process for processing at least one coded binary audio flux organized into frames
EP0565947B1 (en) Procedure for including digital information in an audio signal prior to channel coding
EP1396841B1 (en) Encoding apparatus and method, decoding apparatus and method, and program
JPH0748697B2 (ja) 信号のディジタル・ブロック・コ−ド化方法
JP2778482B2 (ja) 帯域分割符号化装置
EP1503502B1 (en) Encoding method and device
MX2008001307A (es) Metodo para la senalizacion de informacion de division.
FI105248B (fi) Menetelmä digitoitujen, lohkokoodattujen äänisignaalien siirtämiseksi skaalauskertoimia käyttäen
CA2183860C (en) Process for the cascade coding and decoding of audio data
CA2212970A1 (en) Method and apparatus for improving vector quanitization performance
US5450398A (en) Method of distinguishing in serial digital bit streams between at least two types of time slots in a bit stream receiver
USRE38593E1 (en) Adaptive transform coding system, adaptive transform decoding system and adaptive transform coding/decoding system
US6496796B1 (en) Voice coding apparatus and voice decoding apparatus
KR100266054B1 (ko) 낮은 샘플링 속도에서 디지탈화된 오디오 신호를 코딩하는 방법
EP0166607B1 (en) Encoding method for time encoded data
JPH08328592A (ja) 音声信号処理回路
JPH0750589A (ja) サブバンド符号化装置
CA2194199C (en) Encoding system and decoding system for audio signals
KR100300963B1 (ko) 연결스칼라양자화기
Cho et al. A study on the efficient compression algorithm of the voice/data integrated multiplexer
JPH07154268A (ja) 帯域分割符号化装置
JPH0242835A (ja) 帯域分割形附号復号化方法および装置
Svendsen Efficient quantization of speech spectral information.
JPH10233691A (ja) 符号化方式および復号方式

Legal Events

Date Code Title Description
MA Patent expired