JPS59158124A - 音声デ−タ量子化方式 - Google Patents

音声デ−タ量子化方式

Info

Publication number
JPS59158124A
JPS59158124A JP3128683A JP3128683A JPS59158124A JP S59158124 A JPS59158124 A JP S59158124A JP 3128683 A JP3128683 A JP 3128683A JP 3128683 A JP3128683 A JP 3128683A JP S59158124 A JPS59158124 A JP S59158124A
Authority
JP
Japan
Prior art keywords
circuit
output
subtraction
launch
input
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
JP3128683A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0456494B2 (OSRAM
Inventor
Toyotaro Tokimoto
豊太郎 時本
Kazuyuki Kurosawa
和幸 黒沢
Susumu Takashima
進 高島
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
Priority to JP3128683A priority Critical patent/JPS59158124A/ja
Priority to US06/583,091 priority patent/US4633748A/en
Priority to GB08405013A priority patent/GB2138988B/en
Priority to DE19843407078 priority patent/DE3407078A1/de
Publication of JPS59158124A publication Critical patent/JPS59158124A/ja
Priority to US07/453,040 priority patent/USRE33739E/en
Publication of JPH0456494B2 publication Critical patent/JPH0456494B2/ja
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
    • G10H3/00—Instruments in which the tones are generated by electromechanical means
    • G10H3/12—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument
    • G10H3/125—Extracting or recognising the pitch or fundamental frequency of the picked up signal
    • 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
    • G10H5/00—Instruments in which the tones are generated by means of electronic generators
    • G10H5/005—Voice controlled 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
    • G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/031—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
    • G10H2210/066—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal for pitch analysis as part of wider processing for musical purposes, e.g. transcription, musical performance evaluation; Pitch recognition, e.g. in polyphonic sounds; Estimation or use of missing fundamental

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Analogue/Digital Conversion (AREA)
JP3128683A 1983-02-27 1983-02-27 音声デ−タ量子化方式 Granted JPS59158124A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP3128683A JPS59158124A (ja) 1983-02-27 1983-02-27 音声デ−タ量子化方式
US06/583,091 US4633748A (en) 1983-02-27 1984-02-23 Electronic musical instrument
GB08405013A GB2138988B (en) 1983-02-27 1984-02-27 Electronic musical instrument
DE19843407078 DE3407078A1 (de) 1983-02-27 1984-02-27 Elektronisches musikinstrument
US07/453,040 USRE33739E (en) 1983-02-27 1989-12-12 Electronic musical instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3128683A JPS59158124A (ja) 1983-02-27 1983-02-27 音声デ−タ量子化方式

Publications (2)

Publication Number Publication Date
JPS59158124A true JPS59158124A (ja) 1984-09-07
JPH0456494B2 JPH0456494B2 (OSRAM) 1992-09-08

Family

ID=12327063

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3128683A Granted JPS59158124A (ja) 1983-02-27 1983-02-27 音声デ−タ量子化方式

Country Status (1)

Country Link
JP (1) JPS59158124A (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5484520A (en) * 1993-12-09 1996-01-16 Mitsubishi Gas Chemical Company, Inc. Self-adhesive carbonaceous grains and process for producing high-density and high-strength carbon artifacts showing a fine mosaic texture of optical anisotropy derived from such grains
US7096186B2 (en) 1998-09-01 2006-08-22 Yamaha Corporation Device and method for analyzing and representing sound signals in the musical notation

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5461453A (en) * 1977-10-26 1979-05-17 Hitachi Ltd Analog-digital conversion circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5461453A (en) * 1977-10-26 1979-05-17 Hitachi Ltd Analog-digital conversion circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5484520A (en) * 1993-12-09 1996-01-16 Mitsubishi Gas Chemical Company, Inc. Self-adhesive carbonaceous grains and process for producing high-density and high-strength carbon artifacts showing a fine mosaic texture of optical anisotropy derived from such grains
US5609800A (en) * 1993-12-09 1997-03-11 Mitsubishi Gas Chemical Company, Inc. Process for producing high-density and high-strength carbon artifacts showing a fine mosaic texture of optical anisotropy
US7096186B2 (en) 1998-09-01 2006-08-22 Yamaha Corporation Device and method for analyzing and representing sound signals in the musical notation

Also Published As

Publication number Publication date
JPH0456494B2 (OSRAM) 1992-09-08

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