JPS646574B2 - - Google Patents

Info

Publication number
JPS646574B2
JPS646574B2 JP421683A JP421683A JPS646574B2 JP S646574 B2 JPS646574 B2 JP S646574B2 JP 421683 A JP421683 A JP 421683A JP 421683 A JP421683 A JP 421683A JP S646574 B2 JPS646574 B2 JP S646574B2
Authority
JP
Japan
Prior art keywords
signal
switching
quantizer
signals
feature extraction
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
Application number
JP421683A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59131226A (ja
Inventor
Atsushi Fukazawa
Kenichiro Hosoda
Shinji Kawaguchi
Ryoichi Myamoto
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP421683A priority Critical patent/JPS59131226A/ja
Publication of JPS59131226A publication Critical patent/JPS59131226A/ja
Publication of JPS646574B2 publication Critical patent/JPS646574B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP421683A 1983-01-17 1983-01-17 適応形量子化器 Granted JPS59131226A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP421683A JPS59131226A (ja) 1983-01-17 1983-01-17 適応形量子化器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP421683A JPS59131226A (ja) 1983-01-17 1983-01-17 適応形量子化器

Publications (2)

Publication Number Publication Date
JPS59131226A JPS59131226A (ja) 1984-07-28
JPS646574B2 true JPS646574B2 (de) 1989-02-03

Family

ID=11578418

Family Applications (1)

Application Number Title Priority Date Filing Date
JP421683A Granted JPS59131226A (ja) 1983-01-17 1983-01-17 適応形量子化器

Country Status (1)

Country Link
JP (1) JPS59131226A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0587896A (ja) * 1991-09-30 1993-04-06 Pfu Ltd バツテリ残量検出・補正方式

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6268326A (ja) * 1985-09-20 1987-03-28 Oki Electric Ind Co Ltd 適応形量子化器
JPH0782337B2 (ja) * 1985-11-19 1995-09-06 松下電器産業株式会社 電子楽器
JPH0782338B2 (ja) * 1985-11-19 1995-09-06 松下電器産業株式会社 電子楽器
JP2995485B2 (ja) * 1990-04-26 1999-12-27 キヤノン株式会社 符号化装置
JPH07219552A (ja) * 1994-12-28 1995-08-18 Casio Comput Co Ltd 楽音波形発生装置及び楽音波形圧縮装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0587896A (ja) * 1991-09-30 1993-04-06 Pfu Ltd バツテリ残量検出・補正方式

Also Published As

Publication number Publication date
JPS59131226A (ja) 1984-07-28

Similar Documents

Publication Publication Date Title
EP0473367B1 (de) Digitaler Signalverschlüssler
EP0409248B1 (de) Codierverfahren und Codiervorrichtung
DE69629369T2 (de) Verfahren zum kodieren wellenförmiger daten
US4802222A (en) Data compression system and method for audio signals
JPH04304031A (ja) ディジタル信号符号化方法
JPH0514195A (ja) デイジタル／アナログ変換装置
JPH04250722A (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
JPS646574B2 (de)
US7492848B2 (en) Method and apparatus for efficient multi-stage FIR filters
US5084904A (en) Signal transmission device
JPH04150522A (ja) ディジタル信号処理装置
EP0545596A1 (de) Ein den Frequenzhub begrenzender Übertragungsschaltkreis
JP3291948B2 (ja) 高能率符号化方法及び装置、並びに伝送媒体
JPH08102644A (ja) 適応フィルタシステム
CN101114451A (zh) 噪声消除系统及其数字音频处理单元
JP3010663B2 (ja) ノイズシェーピング回路
KR0141238B1 (ko) 디지탈 오디오 데이타의 부호화 방법 및 장치
EP0310274A2 (de) Digitales Signalverarbeitungsgerät
KR100633568B1 (ko) 시간분할 디지털 필터 및 이를 이용한 다채널디지털/아날로그 데이터 변환기 회로
JP3033158B2 (ja) デイジタル信号符号化装置
WO2001039174A1 (en) Low memory digital audio effects using down-sampling up-sampling technique
CA2167327A1 (en) Voice Signal Transmission System Using Spectral Parameter and Voice Parameter Encoding Apparatus and Decoding Apparatus Used for the Voice Signal Transmission System
JP3089690B2 (ja) ディジタルデータの高能率符号化方法
HK40112173A (en) Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/ coefficient domain representation of said hoa signals
JP2797467B2 (ja) 量子化器および逆量子化器