AU7866191A - Method and apparatus for generating an analogue signal from an encoded digital signal - Google Patents

Method and apparatus for generating an analogue signal from an encoded digital signal

Info

Publication number
AU7866191A
AU7866191A AU78661/91A AU7866191A AU7866191A AU 7866191 A AU7866191 A AU 7866191A AU 78661/91 A AU78661/91 A AU 78661/91A AU 7866191 A AU7866191 A AU 7866191A AU 7866191 A AU7866191 A AU 7866191A
Authority
AU
Australia
Prior art keywords
generating
signal
encoded digital
digital signal
analogue
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.)
Abandoned
Application number
AU78661/91A
Inventor
Vernon Thomas Seymour Howell
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.)
HI-MED INSTRUMENTS Ltd
Original Assignee
HI MED INSTR 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 HI MED INSTR Ltd filed Critical HI MED INSTR Ltd
Publication of AU7866191A publication Critical patent/AU7866191A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06J—HYBRID COMPUTING ARRANGEMENTS
    • G06J1/00—Hybrid computing arrangements
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Evolutionary Computation (AREA)
  • Fuzzy Systems (AREA)
  • Automation & Control Theory (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Analogue/Digital Conversion (AREA)
AU78661/91A 1990-05-16 1991-05-16 Method and apparatus for generating an analogue signal from an encoded digital signal Abandoned AU7866191A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909010970A GB9010970D0 (en) 1990-05-16 1990-05-16 Method and apparatus for generating an audio signal from an encoded digital signal
GB9010970 1990-05-16

Publications (1)

Publication Number Publication Date
AU7866191A true AU7866191A (en) 1991-12-10

Family

ID=10676084

Family Applications (1)

Application Number Title Priority Date Filing Date
AU78661/91A Abandoned AU7866191A (en) 1990-05-16 1991-05-16 Method and apparatus for generating an analogue signal from an encoded digital signal

Country Status (3)

Country Link
AU (1) AU7866191A (en)
GB (1) GB9010970D0 (en)
WO (1) WO1991018365A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3586839A (en) * 1969-04-25 1971-06-22 Gilbert R Grado Interpolative function generator having a pair of digital-to-analog converters connected in summing relation
US4238831A (en) * 1978-09-01 1980-12-09 Westinghouse Air Brake Company Pulse interpolation method and apparatus

Also Published As

Publication number Publication date
GB9010970D0 (en) 1990-07-04
WO1991018365A1 (en) 1991-11-28

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