A digital tone control with linear phase was implemented in a 24-bit DSP. The problems of implementing the bass control filter were solved using multirate techniques, allowing the algorithm to work in a low-cost DSP without using all of its processing power. This tone control is well suited for high-fidelity digital audio amplifiers, since the tone equalization is done in the digital domain without phase distortion and has good frequency resolution.

Authors: Vieira, José M. N.; Ferreira, Anibal J. S.
Affiliations: INESC and University of Aveiro, Portugal ; INESC and University of Porto, Portugal(See document for exact affiliation information.)
AES Convention: 98 (February 1995) Paper Number: 3993
Publication Date: February 1, 1995
Subject: Audio Signal Processing

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