A computer assisted system for the extraction and visual display of pitch |
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Authors: | A. B. Rostron C. P. Welbourn |
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Affiliation: | 1. Hull University, HU6 7RX, Hull, England
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Abstract: | The fundamental frequency of the vocal output is obtained from an accelerometer output by an adaptive filtering technique. This is converted to a voltage analogue of frequency via software on a standard PDP-8/E computer. Pitch values are either output directly or stored for subsequent display. Software is available for permanent storage and access of recorded data from backing store. |
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