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Performance Evaluation and Real-Time Implementation of Subspace, Adaptive, and DFT Algorithms for Multi-tone Detection

Güner Arslan, Brian L. Evans, F. Ayhan Sakarya and José Luis Pino

Proceedings of the International Conference on Telecommunications

Istanbul, Turkey

April 15-17, 1996

Abstract

We evaluate MUSIC, LMS, and the Goertzel algorithms for dual-tone multiple-frequency estimation. We rate their computational requirements, estimation errors, and their compliance with the CCITT Q.23 and Q.24 standards through MATLAB simulations and real-time implementations on the ADSP-2101 and Motorola 56001 processors.