An analysis of real time implementation of Fourier transform-based frequency recognition algorithmsBartels, M. and Linfoot, S. (2004) An analysis of real time implementation of Fourier transform-based frequency recognition algorithms. In: 2004 IEEE International Symposium on Consumer Electronics, Proceedings. Ieee, New York, pp. 128-132. ISBN 0780385268 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. Abstract/SummaryFrequency recognition is an important task in many engineering fields such as audio signal processing and telecommunications engineering, for example in applications like Dual-Tone Multi-Frequency (DTMF) detection or the recognition of the carrier frequency of a Global Positioning, System (GPS) signal. This paper will present results of investigations on several common Fourier Transform-based frequency recognition algorithms implemented in real time on a Texas Instruments (TI) TMS320C6713 Digital Signal Processor (DSP) core. In addition, suitable metrics are going to be evaluated in order to ascertain which of these selected algorithms is appropriate for audio signal processing(1).
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