1. Intonation in text-to-speech synthesis: evaluation of algorithms;Aker;Journal of the Acoustical Society of America,1985
2. Bird, S., 1994. Automated tone transcription. Available from: . Visited: April 2004.
3. Boersma, P., Weenink, D., 2004. Praat, doing phonetics by computer. Available from: . Visited: March 2004.
4. Development and paradigms in intonation research;Botinis;Speech Communication,2001
5. A robust fuzzy-based step-gain control for adaptive filters in acoustic echo cancelation;Breining;IEEE Transaction on Speech and Audio Processing,2001