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A real-time analyzer-synthesizer is described that can process complex signals whose waveforms change with time to the limits of the uncertainty principle. Overlap integrals betwen the input signal and user-selected basis functions are automatically recorded (during analysis) on or read from (during synthesis) film. Special converters permit using trigonometric amplitudes and phases for analysis and synthesis. Frequency tracking uses a coherence detector to distinguish signals to which a frequency may be ascribed from noise. Various constant fractional or constant absolute bandwidths may be selected. The synthesizer may work with user-provided graphs any of these curves and those on the film may be used as the modulation function for any selected basis functions.
Author (s): Luce, David; Clark, Jr., Melville
Affiliation:
Melville Clark Associates, Cochituate, MA
(See document for exact affiliation information.)
AES Convention: 35
Paper Number:611
Publication Date:
1968-10-06
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Permalink: https://aes2.org/publications/elibrary-page/?id=1401
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Luce, David; Clark, Jr., Melville; 1968; A Real-Time Multipartial Waveform Analyzer-Synthesizer [PDF]; Melville Clark Associates, Cochituate, MA; Paper 611; Available from: https://aes2.org/publications/elibrary-page/?id=1401
Luce, David; Clark, Jr., Melville; A Real-Time Multipartial Waveform Analyzer-Synthesizer [PDF]; Melville Clark Associates, Cochituate, MA; Paper 611; 1968 Available: https://aes2.org/publications/elibrary-page/?id=1401