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Susana Vaz Freitas, Pedro Melo Pestana, Vítor Almeida and Aníbal Ferreira, "Audio-Perceptual Evaluation of Portuguese Voice Disorders—An Inter- and Intrajudge Reliability Study", Journal of Voice, volume 28, issue 2, pages 210–215, March 2014, available online on www.sciencedirect.com
Ricardo Sousa, Aníbal Ferreira and Paavo Alku, "The harmonic and noise information of the glottal pulses in speech", Journal of Biomedical Signal Processing and Control, volume 10, pages 137–143, March 2014, available online on www.sciencedirect.com
Mário Alves, Ricardo Sousa, Sérgio Lopes, Vítor Almeida and Aníbal Ferreira "Voice Type Discovery", Proceedings of RecPad 2013, the 19th edition of the Portuguese Conference on Pattern Recognition, November 1st 2013.
Sandra Dias and Aníbal Ferreira, "A Hybrid LF-Rosenberg Frequency-Domain Model of the Glottal Pulse", Proceedings of the '2013 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics', New Paltz-New York, USA, October 2013.
Diana Mendes and Aníbal Ferreira, "Speaker Identification Using Phonetic Segmentation and Normalized Relative Delays of Source Harmonics", Proceedings of the 'Audio Engineering Society 46th International Conference on Audio Forensics', pages 215-222, Denver-Colorado, USA, June 2012.
José Ventura, Ricardo Sousa and Aníbal Ferreira, "Accurate Analysis and Visual Feedback of Vibrato in Singing", Proceedings os the '5th International Symposium on Communications, Control, and Signal Processing', Rome, Itály, May 2012.
Ricardo Sousa and Aníbal Ferreira, "Singing Voice Analysis Using Relative Harmonic Delays", INTERSPEECH 2011-Interspeech 2011-12th Annual Conference of the International Speech Communication Association. Florence, August 2011.
Ricardo Sousa, Aníbal Ferreira and Paavo Alku, "Estimation of Harmonic and Noise Components of the Glottal Excitation", MAVEBA 2011-Models and Analysis of Vocal Emissions for Biomedical Applications. Florence, August 2011.
Sandra Dias, Ricardo Sousa and Aníbal Ferreira, "Glottal inverse ﬁltering: a new road-map and ﬁrst results", SPC 2011- Speech Processing Conference. Afeka-Tel Aviv, Isreal, June 2011.
Ricardo Sousa, Susana Freitas and Aníbal Ferreira, "A Avaliação Acústica da Voz nas Práticas Profissionais dos Terapeutas da Fala Portugueses", SPORL- Revista da Sociedade Portuguesa de Otorinolaringologia e Cirurgia Cérvico-Facial. Vol. 4, nº 1, pp 11-17, March 2011.
Ricardo Sousa and Aníbal Ferreira, "Importance of the relative delay of glottal source harmonics", AES 39 International Conference on Audio Forensics, Denmark, June 2010.
Ricardo Sousa and Aníbal Ferreira, "Non-iterative frequency estimation in the DFT magnitude domain", 4th International Symposium on Communications, Control and Signal Processing 2010. Cyprus, March 2010.
Aníbal Ferreira and Ricardo Sousa, "DFT-based frequency estimation under harmonic interference", 4th International Symposium on Communications, Control and Signal Processing 2010. Cyprus, March 2010.