JP2931696B2 - サブバンドコーダを有するエンコーディングシステム及びエンコーディングシステムを有するトランスミッタ - Google Patents

サブバンドコーダを有するエンコーディングシステム及びエンコーディングシステムを有するトランスミッタ

Info

Publication number
JP2931696B2
JP2931696B2 JP3138387A JP13838791A JP2931696B2 JP 2931696 B2 JP2931696 B2 JP 2931696B2 JP 3138387 A JP3138387 A JP 3138387A JP 13838791 A JP13838791 A JP 13838791A JP 2931696 B2 JP2931696 B2 JP 2931696B2
Authority
JP
Japan
Prior art keywords
signal
bit
subband
value
block
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
JP3138387A
Other languages
English (en)
Japanese (ja)
Other versions
JPH04250722A (ja
Inventor
レイモンド・ニコラース・ヨハン・フェルデュイス
ゲリット・ヨハン・ケースマン
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of JPH04250722A publication Critical patent/JPH04250722A/ja
Application granted granted Critical
Publication of JP2931696B2 publication Critical patent/JP2931696B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H03M7/02—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Discrete Mathematics (AREA)
  • Multimedia (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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP3138387A 1990-05-14 1991-05-14 サブバンドコーダを有するエンコーディングシステム及びエンコーディングシステムを有するトランスミッタ Expired - Lifetime JP2931696B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9001127 1990-05-14
NL9001127A NL9001127A (nl) 1990-05-14 1990-05-14 Kodeerinrichting bevattende een subbandkoder, en een zender voorzien van de kodeerinrichting.

Publications (2)

Publication Number Publication Date
JPH04250722A JPH04250722A (ja) 1992-09-07
JP2931696B2 true JP2931696B2 (ja) 1999-08-09

Family

ID=19857092

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3138387A Expired - Lifetime JP2931696B2 (ja) 1990-05-14 1991-05-14 サブバンドコーダを有するエンコーディングシステム及びエンコーディングシステムを有するトランスミッタ

Country Status (9)

Country Link
EP (1) EP0457390B1 (enExample)
JP (1) JP2931696B2 (enExample)
KR (1) KR0185998B1 (enExample)
AT (1) ATE117143T1 (enExample)
DE (1) DE69106580T2 (enExample)
HK (1) HK44596A (enExample)
NL (1) NL9001127A (enExample)
PL (1) PL166859B1 (enExample)
TW (1) TW221539B (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5369724A (en) * 1992-01-17 1994-11-29 Massachusetts Institute Of Technology Method and apparatus for encoding, decoding and compression of audio-type data using reference coefficients located within a band of coefficients
US5394508A (en) * 1992-01-17 1995-02-28 Massachusetts Institute Of Technology Method and apparatus for encoding decoding and compression of audio-type data
ATE209406T1 (de) * 1992-02-03 2001-12-15 Koninkl Philips Electronics Nv Übertragung von digitalen breitbandsignalen
TW221836B (enExample) * 1992-06-09 1994-03-21 Philips Electronics Nv
KR100188912B1 (ko) * 1992-09-21 1999-06-01 윤종용 서브밴드코딩의 비트재할당 방법
KR100321015B1 (ko) * 1993-10-27 2002-06-20 요트.게.아. 롤페즈 제1및제2주신호성분을송수신하는송수신기
JP3125543B2 (ja) * 1993-11-29 2001-01-22 ソニー株式会社 信号符号化方法及び装置、信号復号化方法及び装置、並びに記録媒体
JP3327923B2 (ja) * 1994-05-02 2002-09-24 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 少なくとも第１及び第２ディジタル信号成分を有するディジタル信号を符号化する符号化システム及び符号化方法
JP3830106B2 (ja) * 1994-05-19 2006-10-04 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴイ 広帯域ディジタル信号の信号スペクトルを規定し、かつこの信号スペクトルに応じてビット配置情報を得る機構
US5893065A (en) * 1994-08-05 1999-04-06 Nippon Steel Corporation Apparatus for compressing audio data
US5818943A (en) * 1994-10-25 1998-10-06 U.S. Philips Corporation Transmission and reception of a first and a second main signal component
HU215685B (hu) * 1994-11-04 1999-02-01 Koninklijke Philips Electronics N.V. Eljárás és berendezés széles sávú digitális adatjelek kódolására és dekódolására
US5537510A (en) * 1994-12-30 1996-07-16 Daewoo Electronics Co., Ltd. Adaptive digital audio encoding apparatus and a bit allocation method thereof
EP0749647B1 (en) * 1995-01-09 2003-02-12 Koninklijke Philips Electronics N.V. Method and apparatus for determining a masked threshold
CN1108023C (zh) * 1995-01-27 2003-05-07 大宇电子株式会社 自适应数字音频编码装置及其一种位分配方法
KR100463462B1 (ko) 1995-10-24 2005-05-24 코닌클리케 필립스 일렉트로닉스 엔.브이. 인코딩,디코딩,및제어신호발생장치및인코딩,디코딩방법
DE69633719T2 (de) * 1996-01-12 2005-11-24 Koninklijke Philips Electronics N.V. Sender und verfahren zur übertragung eines breitbandigen, digitalen informationssignals
JP3793235B2 (ja) * 1996-02-08 2006-07-05 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ２チャネル伝送及び１チャネル伝送に適合するｎチャネル伝送
IL121810A (en) * 1996-02-08 2000-08-13 Koninkl Philips Electronics Nv 7-channel transmission compatible with 5-channel transmission and 2-channel transmission
KR100472402B1 (ko) * 1996-04-10 2005-07-25 코닌클리케 필립스 일렉트로닉스 엔.브이. 복수의정보신호의부호화장치및방법

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471350A (en) 1990-03-20 1995-11-28 U.S. Philips Corporation Record carrier with alternating frames and interframe gaps

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471350A (en) 1990-03-20 1995-11-28 U.S. Philips Corporation Record carrier with alternating frames and interframe gaps

Also Published As

Publication number Publication date
KR0185998B1 (ko) 1999-04-15
NL9001127A (nl) 1991-12-02
HK44596A (en) 1996-03-22
KR910021053A (ko) 1991-12-20
DE69106580T2 (de) 1995-08-24
DE69106580D1 (de) 1995-02-23
ATE117143T1 (de) 1995-01-15
PL290201A1 (en) 1992-02-10
PL166859B1 (pl) 1995-06-30
TW221539B (enExample) 1994-03-01
EP0457390B1 (en) 1995-01-11
EP0457390A1 (en) 1991-11-21
JPH04250722A (ja) 1992-09-07

Similar Documents

Publication Publication Date Title
JP2931696B2 (ja) サブバンドコーダを有するエンコーディングシステム及びエンコーディングシステムを有するトランスミッタ
US5367608A (en) Transmitter, encoding system and method employing use of a bit allocation unit for subband coding a digital signal
JP2931697B2 (ja) サブバンドコーダを有するエンコーディングシステム及びエンコーディングシステムを有するトランスミッタ
US5365553A (en) Transmitter, encoding system and method employing use of a bit need determiner for subband coding a digital signal
US4142071A (en) Quantizing process with dynamic allocation of the available bit resources and device for implementing said process
US5687157A (en) Method of recording and reproducing digital audio signal and apparatus thereof
US5649053A (en) Method for encoding audio signals
KR100271553B1 (ko) 오디오 신호의 고능률 부호화 장치
EP0473367B1 (en) Digital signal encoders
US5294925A (en) Data compressing and expanding apparatus with time domain and frequency domain block floating
KR101019678B1 (ko) 저비트율 오디오 코딩
US5491773A (en) Encoding system comprising a subband coder for subband coding of a wideband digital signal constituted by first and second signal components
JP2000004163A (ja) オーディオ符号化のための動的ビット割り当て方法及び装置
WO1999053479A1 (en) Fast frame optimisation in an audio encoder
EP0772925A1 (en) Non-linearly quantizing an information signal
EP0775389B1 (en) Encoding system and encoding method for encoding a digital signal having at least a first and a second digital signal component
EP1139336A2 (en) Determination of quantizaion coefficients for a subband audio encoder
EP1175670A1 (en) Using gain-adaptive quantization and non-uniform symbol lengths for audio coding
KR100303580B1 (ko) 송신기,엔코딩장치및송신방법
EP0589140B1 (en) Bit allocation method in subband coding
JPH08307281A (ja) 非線形量子化方法及び非線形逆量子化方法
CA2053133C (en) Method for coding and decoding a sampled analog signal having a repetitive nature and a device for coding and decoding by said method
EP1176743A2 (en) Methods for non-linearly quantizing and dequantizing an information signal
KR0138325B1 (ko) 오디오 신호 부호화 방법
KR100205472B1 (ko) 양자화 시스템

Legal Events

Date Code Title Description
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 19990428

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090521

Year of fee payment: 10

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090521

Year of fee payment: 10

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090521

Year of fee payment: 10

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100521

Year of fee payment: 11

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100521

Year of fee payment: 11

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110521

Year of fee payment: 12

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110521

Year of fee payment: 12

EXPY Cancellation because of completion of term