GB2208958A - Electronic musical instrument with waveform memory for storing waveform data based on external sound - Google Patents

Electronic musical instrument with waveform memory for storing waveform data based on external sound Download PDF

Info

Publication number
GB2208958A
GB2208958A GB8826719A GB8826719A GB2208958A GB 2208958 A GB2208958 A GB 2208958A GB 8826719 A GB8826719 A GB 8826719A GB 8826719 A GB8826719 A GB 8826719A GB 2208958 A GB2208958 A GB 2208958A
Authority
GB
United Kingdom
Prior art keywords
address
data
waveform
content
signal
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.)
Granted
Application number
GB8826719A
Other languages
English (en)
Other versions
GB8826719D0 (en
GB2208958B (enrdf_load_stackoverflow
Inventor
Kohtaro Hanzawa
Shigenori Morikawa
Hiroshi Morokuma
Hiroyuki Sasaki
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
Priority claimed from JP59167119A external-priority patent/JPS6145297A/ja
Application filed by Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Publication of GB8826719D0 publication Critical patent/GB8826719D0/en
Publication of GB2208958A publication Critical patent/GB2208958A/en
Application granted granted Critical
Publication of GB2208958B publication Critical patent/GB2208958B/en
Granted 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
    • 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
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/0033—Recording/reproducing or transmission of music for electrophonic musical instruments
    • 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
    • G10H2250/621—Waveform interpolation
    • 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)
GB8826719A 1984-08-09 1988-11-15 Electronic musical instrument with waveform memory for storing waveform data based on external sound Granted GB2208958A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP59167119A JPS6145297A (ja) 1984-08-09 1984-08-09 電子楽器
GB08520019A GB2162988A (en) 1984-08-09 1985-08-09 Electronic musical instrument with waveform memory for storing waveform data based on external sound
GB8810919A GB2206230B (en) 1984-08-09 1988-05-09 Electronic musical instrument with waveform memory for storing waveform data based on external sound

Publications (3)

Publication Number Publication Date
GB8826719D0 GB8826719D0 (en) 1988-12-21
GB2208958A true GB2208958A (en) 1989-04-19
GB2208958B GB2208958B (enrdf_load_stackoverflow) 1989-08-23

Family

ID=27262755

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8826719A Granted GB2208958A (en) 1984-08-09 1988-11-15 Electronic musical instrument with waveform memory for storing waveform data based on external sound

Country Status (1)

Country Link
GB (1) GB2208958A (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1460624A (en) * 1973-05-25 1977-01-06 Kretztechnik Gmbh Method of storing and evaluating data
GB2023955A (en) * 1978-06-19 1980-01-03 Siemens Ag Seminconductor record/replay device for acoustic signals

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1460624A (en) * 1973-05-25 1977-01-06 Kretztechnik Gmbh Method of storing and evaluating data
GB2023955A (en) * 1978-06-19 1980-01-03 Siemens Ag Seminconductor record/replay device for acoustic signals

Also Published As

Publication number Publication date
GB8826719D0 (en) 1988-12-21
GB2208958B (enrdf_load_stackoverflow) 1989-08-23

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20050808