Linear-Phase Digital Audio Tone Control

A new linear-phase three-way filter system for digital audio tone-control application is presented. Approximately 80% of its coefficient values are zero. The remaining nonzero coefficient values are 0.5 and 2.5. Thus the filter system is essentially multiplication free. When the high-frequency and l...

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Bibliographische Detailangaben
Veröffentlicht in:	Journal of the Audio Engineering Society 1987-01, Vol.35 (1/2), p.38-40
1. Verfasser:	Lim, Yong C
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustics Exact sciences and technology Fundamental areas of phenomenology (including applications) Physics Transduction acoustical devices for the generation and reproduction of sound
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Beschreibung
Zusammenfassung:	A new linear-phase three-way filter system for digital audio tone-control application is presented. Approximately 80% of its coefficient values are zero. The remaining nonzero coefficient values are 0.5 and 2.5. Thus the filter system is essentially multiplication free. When the high-frequency and low-frequency gain weightings are unity, the filter system acts as a pure delay producing no frequency response distortion.
ISSN:	1549-4950 0004-7554