JP6855802B2 - 情報処理装置、方法、及びプログラム、ｄ／ａ変換装置、電子楽器 - Google Patents

情報処理装置、方法、及びプログラム、ｄ／ａ変換装置、電子楽器 Download PDF

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Publication number
JP6855802B2
JP6855802B2 JP2017005427A JP2017005427A JP6855802B2 JP 6855802 B2 JP6855802 B2 JP 6855802B2 JP 2017005427 A JP2017005427 A JP 2017005427A JP 2017005427 A JP2017005427 A JP 2017005427A JP 6855802 B2 JP6855802 B2 JP 6855802B2
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Japan
Prior art keywords
signal
quantization
output
pulse
outputs
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Japanese (ja)
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JP2018117192A5 (enExample
JP2018117192A (ja
Inventor
吾朗 坂田
吾朗 坂田
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Casio Computer Co Ltd
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Casio Computer Co Ltd
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Priority to JP2017005427A priority Critical patent/JP6855802B2/ja
Application filed by Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to RU2019125739A priority patent/RU2730443C1/ru
Priority to EP18705995.1A priority patent/EP3568919A1/en
Priority to US16/477,504 priority patent/US11316529B2/en
Priority to CN201880007051.3A priority patent/CN110235373B/zh
Priority to PCT/JP2018/002036 priority patent/WO2018131725A1/en
Publication of JP2018117192A publication Critical patent/JP2018117192A/ja
Publication of JP2018117192A5 publication Critical patent/JP2018117192A5/ja
Application granted granted Critical
Publication of JP6855802B2 publication Critical patent/JP6855802B2/ja
Priority to US17/706,012 priority patent/US11764803B2/en
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    • 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
    • H03M1/50—Analogue/digital converters with intermediate conversion to time interval
    • H03M1/52—Input signal integrated with linear return to datum
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/50—Digital/analogue converters using delta-sigma modulation as an intermediate step
    • H03M3/502—Details of the final digital/analogue conversion following the digital delta-sigma modulation
    • H03M3/506—Details of the final digital/analogue conversion following the digital delta-sigma modulation the final digital/analogue converter being constituted by a pulse width modulator
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/32—Constructional details
    • G10H1/34—Switch arrangements, e.g. keyboards or mechanical switches specially adapted for electrophonic musical instruments
    • G10H1/344—Structural association with individual keys
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H7/00—Instruments in which the tones are synthesised from a data store, e.g. computer organs
    • G10H7/08—Instruments in which the tones are synthesised from a data store, e.g. computer organs by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/02—Delta modulation, i.e. one-bit differential modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M3/42—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in parallel loops

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Analogue/Digital Conversion (AREA)
JP2017005427A 2017-01-16 2017-01-16 情報処理装置、方法、及びプログラム、ｄ／ａ変換装置、電子楽器 Active JP6855802B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2017005427A JP6855802B2 (ja) 2017-01-16 2017-01-16 情報処理装置、方法、及びプログラム、ｄ／ａ変換装置、電子楽器
EP18705995.1A EP3568919A1 (en) 2017-01-16 2018-01-16 D/a conversion device, method, storage medium, electronic musical instrument, and information processing apparatus
US16/477,504 US11316529B2 (en) 2017-01-16 2018-01-16 D/A conversion device, method, storage medium, electronic musical instrument, and information processing apparatus
CN201880007051.3A CN110235373B (zh) 2017-01-16 2018-01-16 D/a转换设备、方法、存储介质、电子乐器和信息处理装置
RU2019125739A RU2730443C1 (ru) 2017-01-16 2018-01-16 Устройство цифро-аналогового преобразования, способ, носитель данных, электронный музыкальный инструмент и устройство обработки информации
PCT/JP2018/002036 WO2018131725A1 (en) 2017-01-16 2018-01-16 D/a conversion device, method, storage medium, electronic musical instrument, and information processing apparatus
US17/706,012 US11764803B2 (en) 2017-01-16 2022-03-28 D/A conversion device, method, storage medium, electronic musical instrument, and information processing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017005427A JP6855802B2 (ja) 2017-01-16 2017-01-16 情報処理装置、方法、及びプログラム、ｄ／ａ変換装置、電子楽器

Publications (3)

Publication Number Publication Date
JP2018117192A JP2018117192A (ja) 2018-07-26
JP2018117192A5 JP2018117192A5 (enExample) 2019-11-07
JP6855802B2 true JP6855802B2 (ja) 2021-04-07

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JP2017005427A Active JP6855802B2 (ja) 2017-01-16 2017-01-16 情報処理装置、方法、及びプログラム、ｄ／ａ変換装置、電子楽器

Country Status (6)

Country Link
US (2) US11316529B2 (enExample)
EP (1) EP3568919A1 (enExample)
JP (1) JP6855802B2 (enExample)
CN (1) CN110235373B (enExample)
RU (1) RU2730443C1 (enExample)
WO (1) WO2018131725A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7263859B2 (ja) * 2019-03-15 2023-04-25 カシオ計算機株式会社 Ｄ／ａ変換装置、音響機器、電子楽器及びｄ／ａ変換方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630033A (en) * 1983-03-25 1986-12-16 Hewlett-Packard Company Method and apparatus for measuring phase
JPH0421215A (ja) * 1990-05-16 1992-01-24 Sony Corp デジタル・アナログ変換器
DE69120924T2 (de) * 1991-01-15 1997-01-30 Ibm Sigma-Delta Wandler
GB9103777D0 (en) * 1991-02-22 1991-04-10 B & W Loudspeakers Analogue and digital convertors
US5815102A (en) * 1996-06-12 1998-09-29 Audiologic, Incorporated Delta sigma pwm dac to reduce switching
US6111531A (en) * 1997-05-30 2000-08-29 Lucent Technologies Parallel architecture for a bandpass sigma-delta modulator
US6373417B1 (en) * 1999-02-23 2002-04-16 Cirrus Logic, Inc. Digital to analog converter using level and timing control signals to cancel noise
US6608575B2 (en) * 2001-01-31 2003-08-19 Qualcomm Incorporated Hybrid multi-stage circuit
US6710729B1 (en) * 2002-10-10 2004-03-23 Faraday Technology Corp. Idle channel tone and periodic noise suppression for sigma-delta modulator using feedback-quantizer
DE10320674B4 (de) * 2003-05-08 2009-01-15 Litef Gmbh Pulsmodulator und Verfahren zur Pulsmodulation
US7570693B2 (en) * 2005-09-26 2009-08-04 Ess Technology, Inc. Low noise digital to pulse width modulated converter with audio applications
KR100727409B1 (ko) * 2006-02-02 2007-06-13 삼성전자주식회사 펄스폭 변조 방법 및 이를 이용한 디지털 파워앰프
US7327296B1 (en) * 2006-03-03 2008-02-05 Cirrus Logic, Inc. Signal processing system with modified delta sigma modulator quantizer output signals to spread harmonic frequencies of pulse width modulator output signals
US7209064B1 (en) 2006-03-03 2007-04-24 Cirrus Logic, Inc. Signal processing system with spreading of a spectrum of harmonic frequencies of a pulse width modulator output signal
JP4934814B2 (ja) * 2007-02-20 2012-05-23 国立大学法人 名古屋工業大学 デッドタイム補償デジタルアンプ
KR100861920B1 (ko) * 2007-05-10 2008-10-09 삼성전자주식회사 비대칭형 펄스폭 변조 신호 발생기 및 그 방법
KR20110000020A (ko) * 2009-06-26 2011-01-03 삼성전자주식회사 오디오 디지털/아날로그 변환기 및 이를 구비하는 오디오 처리 장치
JP5958884B2 (ja) * 2014-03-20 2016-08-02 カシオ計算機株式会社 Ｄ／ａ変換装置、ｄ／ａ変換方法及び電子楽器
US9455737B1 (en) * 2015-09-25 2016-09-27 Qualcomm Incorporated Delta-sigma analog-to-digital converter (ADC) with time-interleaved (TI) or two-step successive approximation register (SAR) quantizer

Also Published As

Publication number Publication date
CN110235373A (zh) 2019-09-13
EP3568919A1 (en) 2019-11-20
US20220224351A1 (en) 2022-07-14
RU2730443C1 (ru) 2020-08-21
US11764803B2 (en) 2023-09-19
CN110235373B (zh) 2023-06-13
US20190372588A1 (en) 2019-12-05
US11316529B2 (en) 2022-04-26
WO2018131725A1 (en) 2018-07-19
JP2018117192A (ja) 2018-07-26
WO2018131725A4 (en) 2018-10-04

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