Digital generation of the high quality periodic audio signals with the aid of a D/A converter and computer

Auteurs-es

  • M. Roland-Mieszkowski Sch. of Human Commun. Disorders, Dalhousie Univ., Halifax, NS, Canada

Mots-clés :

acoustic generators, acoustic signal processing, audio signals, computerised signal processing, digital-analogue conversion, signal synthesis, DAC, digital generation, high quality periodic audio signals, D/A converter, computer, digital-domain method, real-time looping, RAM buffer, waveform synthesis, algorithm, 1 to 20000 Hz

Résumé

The most precise digital-domain method for the generation of arbitrary periodic audio signals was presented. Advantages of this method are: highest available precision with a given D/A converter, and low requirement on the speed of hardware and software, because synthesis of waveform is not performed in real-time. Hardware and software only have to be capable of doing real-time looping through sound file generated in the RAM buffer. Details of the waveform synthesis should be sufficient for easy implementation of this algorithm on different computer platforms

Fichiers supplémentaires

Publié-e

1991-09-01

Comment citer

1.
Roland-Mieszkowski M. Digital generation of the high quality periodic audio signals with the aid of a D/A converter and computer. Canadian Acoustics [Internet]. 1 sept. 1991 [cité 7 mai 2026];19(4):47-8. Disponible à: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/664

Numéro

Vol. 19 No. 4 (1991)

Rubrique

Actes du congrès de la Semaine canadienne d'acoustique

Licence

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