DE69222795D1 - Digitaler Tonhöhenversetzer - Google Patents

Digitaler Tonhöhenversetzer

Info

Publication number
DE69222795D1
DE69222795D1 DE69222795T DE69222795T DE69222795D1 DE 69222795 D1 DE69222795 D1 DE 69222795D1 DE 69222795 T DE69222795 T DE 69222795T DE 69222795 T DE69222795 T DE 69222795T DE 69222795 D1 DE69222795 D1 DE 69222795D1
Authority
DE
Germany
Prior art keywords
pitch shifter
digital pitch
digital
shifter
pitch
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 - Fee Related
Application number
DE69222795T
Other languages
English (en)
Other versions
DE69222795T2 (de
Inventor
Makoto Iwaooji
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer 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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Publication of DE69222795D1 publication Critical patent/DE69222795D1/de
Application granted granted Critical
Publication of DE69222795T2 publication Critical patent/DE69222795T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
    • 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
    • G10H1/18—Selecting circuits
    • G10H1/20—Selecting circuits for transposition
    • 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
    • G10H1/36—Accompaniment arrangements
    • G10H1/361—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems
    • G10H1/366—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems with means for modifying or correcting the external signal, e.g. pitch correction, reverberation, changing a singer's voice
    • 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
    • G10H7/008—Means for controlling the transition from one tone waveform to another
    • 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
    • G10H7/02—Instruments in which the tones are synthesised from a data store, e.g. computer organs in which amplitudes at successive sample points of a tone waveform are stored in one or more memories
    • 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
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/025—Envelope processing of music signals in, e.g. time domain, transform domain or cepstrum domain
    • G10H2250/035—Crossfade, i.e. time domain amplitude envelope control of the transition between musical sounds or melodies, obtained for musical purposes, e.g. for ADSR tone generation, articulations, medley, remix
    • 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
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/541—Details of musical waveform synthesis, i.e. audio waveshape processing from individual wavetable samples, independently of their origin or of the sound they represent
    • G10H2250/631—Waveform resampling, i.e. sample rate conversion or sample depth conversion

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrophonic Musical Instruments (AREA)
DE69222795T 1991-03-19 1992-03-06 Digitaler Tonhöhenversetzer Expired - Fee Related DE69222795T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP05427491A JP3175179B2 (ja) 1991-03-19 1991-03-19 デジタルピッチシフター

Publications (2)

Publication Number Publication Date
DE69222795D1 true DE69222795D1 (de) 1997-11-27
DE69222795T2 DE69222795T2 (de) 1998-06-10

Family

ID=12965998

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69222795T Expired - Fee Related DE69222795T2 (de) 1991-03-19 1992-03-06 Digitaler Tonhöhenversetzer

Country Status (5)

Country Link
US (1) US5367118A (de)
EP (1) EP0504684B1 (de)
JP (1) JP3175179B2 (de)
DE (1) DE69222795T2 (de)
HK (1) HK1004927A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3175179B2 (ja) 1991-03-19 2001-06-11 カシオ計算機株式会社 デジタルピッチシフター
US5522010A (en) * 1991-03-26 1996-05-28 Pioneer Electronic Corporation Pitch control apparatus for setting coefficients for cross-fading operation in accordance with intervals between write address and a number of read addresses in a sampling cycle
EP0691019B1 (de) * 1993-03-17 1997-07-16 Ivl Technologies Ltd. Vorrichtung zur musikalischen Unterhaltung
US5559298A (en) * 1993-10-13 1996-09-24 Kabushiki Kaisha Kawai Gakki Seisakusho Waveform read-out system for an electronic musical instrument
JP2959361B2 (ja) * 1993-10-21 1999-10-06 ヤマハ株式会社 残響音付加装置
JP3296648B2 (ja) * 1993-11-30 2002-07-02 三洋電機株式会社 ディジタル音程変換における不連続点の改善処理方法およびその装置
TW279219B (de) * 1994-03-31 1996-06-21 Yamaha Corp
US6046395A (en) * 1995-01-18 2000-04-04 Ivl Technologies Ltd. Method and apparatus for changing the timbre and/or pitch of audio signals
US5567901A (en) * 1995-01-18 1996-10-22 Ivl Technologies Ltd. Method and apparatus for changing the timbre and/or pitch of audio signals
SG65729A1 (en) * 1997-01-31 1999-06-22 Yamaha Corp Tone generating device and method using a time stretch/compression control technique
US6336092B1 (en) 1997-04-28 2002-01-01 Ivl Technologies Ltd Targeted vocal transformation
US6144939A (en) * 1998-11-25 2000-11-07 Matsushita Electric Industrial Co., Ltd. Formant-based speech synthesizer employing demi-syllable concatenation with independent cross fade in the filter parameter and source domains
GB2350228B (en) * 1999-05-20 2001-04-04 Kar Ming Chow An apparatus for and a method of processing analogue audio signals
JP5011803B2 (ja) 2006-04-24 2012-08-29 ソニー株式会社 オーディオ信号伸張圧縮装置及びプログラム

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5727627B2 (de) * 1972-08-28 1982-06-11
US4121058A (en) * 1976-12-13 1978-10-17 E-Systems, Inc. Voice processor
DE2926548C2 (de) * 1979-06-30 1982-02-18 Rainer Josef 8047 Karlsfeld Gallitzendörfer Wellenformgenerator zur Klangformung in einem elektronischen Musikinstrument
JPS6035795A (ja) * 1983-08-05 1985-02-23 赤井電機株式会社 信号のピツチ変換器
US4633749A (en) * 1984-01-12 1987-01-06 Nippon Gakki Seizo Kabushiki Kaisha Tone signal generation device for an electronic musical instrument
JPS60159799A (ja) * 1984-01-30 1985-08-21 赤井電機株式会社 信号のピッチ変換器
US4611522A (en) * 1984-04-10 1986-09-16 Nippon Gakki Seizo Kabushiki Kaisha Tone wave synthesizing apparatus
JP2558245B2 (ja) 1985-01-21 1996-11-27 パイオニア株式会社 音程制御装置
JP2657372B2 (ja) 1985-02-15 1997-09-24 パイオニア株式会社 音程制御装置
JP2809275B2 (ja) * 1986-11-10 1998-10-08 カシオ計算機株式会社 波形信号出力装置
JP2582789B2 (ja) * 1986-12-09 1997-02-19 カシオ計算機株式会社 電子楽器の波形合成装置
US5086685A (en) * 1986-11-10 1992-02-11 Casio Computer Co., Ltd. Musical tone generating apparatus for electronic musical instrument
JP2556041B2 (ja) * 1986-11-10 1996-11-20 カシオ計算機株式会社 波形信号出力装置
US4864626A (en) * 1987-11-03 1989-09-05 Yang Pei Chuan Voice modifier
US4915001A (en) * 1988-08-01 1990-04-10 Homer Dillard Voice to music converter
JP2853147B2 (ja) * 1989-03-27 1999-02-03 松下電器産業株式会社 音程変換装置
JP3175179B2 (ja) 1991-03-19 2001-06-11 カシオ計算機株式会社 デジタルピッチシフター

Also Published As

Publication number Publication date
HK1004927A1 (en) 1998-12-11
JP3175179B2 (ja) 2001-06-11
EP0504684A2 (de) 1992-09-23
JPH04289900A (ja) 1992-10-14
DE69222795T2 (de) 1998-06-10
EP0504684A3 (en) 1994-01-12
EP0504684B1 (de) 1997-10-22
US5367118A (en) 1994-11-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee