JPH026031B2 - - Google Patents

Info

Publication number
JPH026031B2
JPH026031B2 JP55045241A JP4524180A JPH026031B2 JP H026031 B2 JPH026031 B2 JP H026031B2 JP 55045241 A JP55045241 A JP 55045241A JP 4524180 A JP4524180 A JP 4524180A JP H026031 B2 JPH026031 B2 JP H026031B2
Authority
JP
Japan
Prior art keywords
output
circuit
pulse
pulse width
data
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
JP55045241A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56141587A (en
Inventor
Shinichi Shirasu
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch 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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP4524180A priority Critical patent/JPS56141587A/ja
Priority to US06/237,788 priority patent/US4397562A/en
Priority to CH130581A priority patent/CH645503GA3/de
Priority to DE19813107298 priority patent/DE3107298A1/de
Priority to GB8106082A priority patent/GB2073456B/en
Publication of JPS56141587A publication Critical patent/JPS56141587A/ja
Publication of JPH026031B2 publication Critical patent/JPH026031B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G13/00—Producing acoustic time signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/82—Digital/analogue converters with intermediate conversion to time interval

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Analogue/Digital Conversion (AREA)
  • Electric Clocks (AREA)
JP4524180A 1980-02-26 1980-04-08 Voice watch Granted JPS56141587A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP4524180A JPS56141587A (en) 1980-04-08 1980-04-08 Voice watch
US06/237,788 US4397562A (en) 1980-02-26 1981-02-24 Digital-analog converter circuit for speech-synthesizing electronic timepiece
CH130581A CH645503GA3 (en) 1980-02-26 1981-02-26 Battery-operated electronic clock with voice synthesising
DE19813107298 DE3107298A1 (de) 1980-02-26 1981-02-26 Digital-analog-umformerschaltung fuer eine elektronische uhr mit sprachsynthese
GB8106082A GB2073456B (en) 1980-02-26 1981-02-26 Digital-analogue converter circuit for speech-synthesizing electronic timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4524180A JPS56141587A (en) 1980-04-08 1980-04-08 Voice watch

Publications (2)

Publication Number Publication Date
JPS56141587A JPS56141587A (en) 1981-11-05
JPH026031B2 true JPH026031B2 (enrdf_load_stackoverflow) 1990-02-07

Family

ID=12713748

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4524180A Granted JPS56141587A (en) 1980-02-26 1980-04-08 Voice watch

Country Status (1)

Country Link
JP (1) JPS56141587A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0499922U (enrdf_load_stackoverflow) * 1991-02-12 1992-08-28
JPH08157U (ja) * 1995-08-07 1996-02-02 ユニ・チャーム株式会社 使い捨てパンツ型着用物品

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3998045A (en) * 1975-06-09 1976-12-21 Camin Industries Corporation Talking solid state timepiece
JPS6022679Y2 (ja) * 1978-05-02 1985-07-05 ヤマハ株式会社 Ｄ／ａコンバ−タ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0499922U (enrdf_load_stackoverflow) * 1991-02-12 1992-08-28
JPH08157U (ja) * 1995-08-07 1996-02-02 ユニ・チャーム株式会社 使い捨てパンツ型着用物品

Also Published As

Publication number Publication date
JPS56141587A (en) 1981-11-05

Similar Documents

Publication Publication Date Title
EP1770855B1 (en) Class D amplifier
US7336794B2 (en) High efficiency driver for miniature loudspeakers
US7058464B2 (en) Device and method for signal processing
US4773096A (en) Digital switching power amplifier
US5347587A (en) Speaker driving device
US20020084843A1 (en) Method and apparatus providing digital error correction for a class D power stage
US20060091945A1 (en) Switching power amplifier and method for amplifying a digital input signal
US6724249B1 (en) Multi-level class-D amplifier by means of 3 physical levels
US6441760B2 (en) Method and apparatus for digital to analog conversion
CN104011999B (zh) 用于输出音频信号的方法和设备
Sandler Digital-to-analogue conversion using pulse width modulation
JPH06506091A (ja) ディジタル／アナログ信号変換方法および装置
US6472933B2 (en) Switching amplifier incorporating return-to-zero quaternary power switch
JP2008306234A (ja) パルス幅変調回路、パルス幅変調方法、パラメトリックスピーカ、及びパルス幅変調制御プログラム
JPH026031B2 (enrdf_load_stackoverflow)
JPH0357436B2 (enrdf_load_stackoverflow)
GB2073456A (en) Digital-analogue converter circuit for speech-synthesizing electronic timepiece
JP2002118465A (ja) アナログ−デジタル変換器
JP3608639B2 (ja) データ変換装置およびこれを用いた音響装置
JPH11266157A (ja) フィードバック回路
JPH09153814A (ja) ディジタル信号処理装置及び記録装置
JP2003046342A (ja) 増幅器
US6992607B2 (en) Speech synthesizer
WO2006039510A2 (en) Continuous-time digital amplifier
Esslinger et al. Distortions by switching errors in digital power amplifiers using sigma delta coded signals