Seminar für Sprachwissenschaft

Forschungsinteressen

I am interested in speaker individual differences in the speech signal, focusing on the temporal organizations of different aspects of the acoustic parameters. I also take great interest in characterizing the rhythmicity and rhythmicality of the speech signal.

Veröffentlichungen

1. Journal articles
    He, Lei. (2018). Development of speech rhythm in first language: The role of syllable intensity variability. Journal of the Acoustical Society of America 143(6), pp. EL463-EL467.
    He, Lei; Dellwo, Volker (2017). Between-speaker variability in temporal organizations of intensity contours. Journal of the Acoustical Society of America 141(5), pp. EL488-EL494.
    He, Lei; Dellwo, Volker (2016). The role of syllable intensity in between- speaker rhythmic variability. International Journal of Speech, Language and the Law 23(2), pp. 243-273.
    He, Lei (2011). Metacognition in EFL pronunciation learning among Chinese tertiary learners. Applied Language Learning 21(1&2), pp.1-27.
 
 
2. Book chapters
        Dellwo, Volker; French, Peter; He, Lei (forthcoming in Jan. 2019). Voice biometrics for speaker recognition applications, in The Oxford Handbook of Voice Perception, edited by S. Frühholz and P. Belin (Oxford University Press, Oxford, UK), pp. 777–795.
        He, Lei; Dellwo, Volker (2017). Amplitude envelope kinematics of speech signal: parameter extraction and applications, in Elektronische Sprachsignalverarbeitung 2017, edited by J. Trouvain, I. Steiner and B. Möbius (TUDpress, Dresden, Germany), pp. 107-113.
        Pellegrino, Elisa; He, Lei; Dellwo, Volker (2017). Computation of L2 speech rhythm based on duration and fundamental frequency, in Elektronische Sprachsignalverarbeitung 2017, edited by J. Trouvain, I. Steiner and B. Möbius (TUDpress, Dresden, Germany), pp. 246-253.
         
3. Papers in conference proceedings
        Dellwo, Volker; Kathiresan, Thayabaran; Pellegrino, Elisa; He, Lei; Schwab, Sandra; Maurer, Dieter (2018). Influences of fundamental oscillation on speaker identification in vocalic utterances by humans and computers. In: INTERSPEECH 2018, Hyderabad, India, 2 September 2018 - 6 September 2018, pp. 3795-3799.
        Pellegrino, Elisa; He, Lei; Dellwo, Volker (2018). The effect of ageing on speech rhythm: A study on Zurich German. In: Speech Prosody 2018, Poznań, Poland, 13 June 2018 - 16 June 2018, 133-137.
        San Segundo, Eugenia; Schwab, Sandra; Dellwo, Volker; He, Lei; Mompeán, José (2017). Perception of vocal tract tension: Exploring possible prosodic correlates. In: VII Congreso Internacional de Fonética Experimental, Madrid, Spain, 22 November 2017 - 24 November 2017.
        He, Lei; Dellwo, Volker (2016). A Praat-based algorithm to extract the amplitude envelope and temporal fine structure using the Hilbert transform. In: INTERSPEECH 2016, San Francisco, USA, 8 September 2016 - 12 September 2016, pp. 530-534.
        Glavitsch, Ulrike; He, Lei; Dellwo, Volker (2015). Stable and unstable intervals as a basic segmentation procedure of the speech signal. In: INTERSPEECH 2015, Dresden, Germany, 6 September 2015 - 10 September 2015, pp. 31-35.
        He, Lei; Glavitsch, Ulrike; Dellwo, Volker (2015). Comparisons of speaker recognition strengths using suprasegmental duration and intensity variability: An artificial neural networks approach. In: International Congress of Phonetic Sciences, Glasgow, UK, 10 August 2015 - 14 August 2015, nº 395.
        He, Lei; Dellwo, Volker (2014). Speaker idiosyncratic variability of intensity across syllables. In: INTERSPEECH 2014, Singapore, 14 September 2014 - 18 September 2014, pp. 233-237.
        He, Lei (2014). The inadequacy of rhythm metrics to quantify L2 suprasegmental characteristics. In: Speech Prosody 2014, Dublin, Ireland. 20 May 2014 - 23 May 2014, pp. 1095-1098.
        He, Lei (2012). Syllabic intensity variations as quantification of speech rhythm: evidence from both L1 and L2. In: Speech Prosody 2012, Shanghai, China, 22 May 2012 - 25 May 2012, pp. 466-469.

Präsentationen

  He, Lei (2018) Individual differences in first formant dynamics *Talk*. The International Conference on Laboratory Phonetics and Phonology. Tehran, Iran, November 14 - 15, 2018.
        He, Lei; Dellwo, Volker (2018) Between-speaker variability in first formant dynamics *Talk*. The 27th Annual Conference of the International Association for Forensic Phonetics and Acoustics (IAFPA). Huddersfield, UK, July 29 - August 1, 2018.
        Zhang, Yu; He, Lei; Kerdpol, Karnthida; Dellwo, Volker (2018) Between-speaker variability in intensity dynamics: the case of Thai *Talk*. The 27th Annual Conference of the International Association for Forensic Phonetics and Acoustics (IAFPA). Huddersfield, UK, July 29 - August 1, 2018.
        He, Lei; Pellegrino, Elisa; Kathiresan, Thayabaran; Fröhlich, Andrea; Dellwo, Volker (2018) Electronically disguised voice: a preliminary study using intensity-based rhythm measures *Poster*. The 27th Annual Conference of the International Association for Forensic Phonetics and Acoustics (IAFPA). Huddersfield, UK, July 29 - August 1, 2018.
        Yang, Junjie; He, Lei; Hu, Yaomin; Jia, Liwei (2018) A study on the slopes of intensity of Chinese twins’ speech *Poster*. The 27th Annual Conference of the International Association for Forensic Phonetics and Acoustics (IAFPA). Huddersfield, UK, July 29 - August 1, 2018.
He, Lei; Dellwo, Volker (2017) Between-speaker intensity variability is maintained in different frequency bands of amplitude demodulated signal *Talk*. The 26th Annual Conference of the International Association for Forensic Phonetics and Acoustics (IAFPA). Split, Croatia, July 9 - 12, 2017.
        Dimos, Kostis; He, Lei; Dellwo, Volker (2017) Rhythm and speaker-specific variability in shouted speech *Talk*. The 26th Annual Conference of the International Association for Forensic Phonetics and Acoustics (IAFPA). Split, Croatia, July 9 - 12, 2017.
        He, Lei; Dellwo, Volker (2017) Speaker-specific temporal organizations of intensity contours *Poster*. The 26th Annual Conference of the International Association for Forensic Phonetics and Acoustics (IAFPA). Split, Croatia, July 9 - 12, 2017.
        Pellegrino, Elisa; He, Lei; Dellwo, Volker (2017) The effect of aging on between-speaker rhythmic variability *Poster*. The 26th Annual Conference of the International Association for Forensic Phonetics and Acoustics (IAFPA). Split, Croatia, July 9 - 12, 2017.
        San Segundo, Eugenia; He, Lei; Dellwo, Volker (2017) Prosody can help distinguish identical twins: implications for forensic speaker comparison. *Poster*. The 26th Annual Conference of the International Association for Forensic Phonetics and Acoustics (IAFPA). Split, Croatia, July 9 - 12, 2017.
        Asadi, Homa; He, Lei; Pellegrino, Elisa; Dellwo, Volker (2017) Between-speaker rhythmic variability in Persian. *Poster*. The 26th Annual Conference of the International Association for Forensic Phonetics and Acoustics (IAFPA). Split, Croatia, July 9 - 12, 2017.
        Pellegrino, Elisa; He, Lei; Giroud, Nathalie; Meyer, Martin; Dellwo, Volker (2017) Age-related rhythmic variations: an investigation on Zurich German *Talk*. 16th Rhythm Production and Perception Workshop (RPPW). Birmingham, UK, July 3 - 5, 2017.
        He, Lei; Dellwo, Volker (2017) Amplitude envelope kinematics of speech signal: parameter extraction and applications *Poster*. 173rd Meeting of the Acoustical Society of America (ASA) and the 8th Forum Acusticum. Boston, USA, June 25 - 29, 2017.  
        Dellwo, Volker; Kathiresan, Thayabaran; He, Lei (2017) Amplitude envelope reconstruction based on signal periodicity *Talk*. 173rd Meeting of the Acoustical Society of America (ASA) and the 8th Forum Acusticum. Boston, USA, June 25 - 29, 2017.
        Pellegrino, Elisa; He, Lei; Giroud, Nathalie; Meyer, Martin; Dellwo, Volker (2017) Rhythmic characteristics in aging: A study on Zurich German *Poster*. 173rd Meeting of the Acoustical Society of America (ASA) and the 8th Forum Acusticum. Boston, USA, June 25 - 29, 2017.
        Pellegrino, Elisa; He, Lei; Giroud, Nathalie; Meyer, Martin; Dellwo, Volker (2017) Speech rhythm and aging *Talk*. Workshop on Speech Perception and Production across the Lifespan (SPPL 2017). London, UK, April 26 - 27, 2017.
        He, Lei; Dellwo, Volker (2017) Speaker-specific variability in intensity dynamics *Poster*. The 5th International Winter School on Speech Perception and Production: Learning and Memory. Chorin, Germany, January 9 - 13, 2017.
        He, Lei; Dimos, Kostis; Dellwo, Volker (2016) Between-speaker intensity variability in non-shouted and shouted voice: work in progress *Talk*. The 25th Annual Conference of the International Association for Forensic Phonetics and Acoustics (IAFPA). York, UK, July 24 - 27, 2016.
        Dimos, Kostis; He, Lei; Dellwo, Volker (2016) Measuring speaker-specific characteristics in shouting with controlled loudness *Talk*. The 25th Annual Conference of the International Association for Forensic Phonetics and Acoustics (IAFPA). York, UK, July 24 - 27, 2016.
        Milošvić, Milana; Glavitsch, Ulrike; He, Lei; Dellwo, Volker (2016) Segmental features for automatic speaker recognition in a flexible software framework *Talk*. The 25th Annual Conference of the International Association for Forensic Phonetics and Acoustics (IAFPA). York, UK, July 24 - 27, 2016.
        Pellegrino, Elisa; He, Lei; Dellwo, Volker (2016) A hybrid measure of speech rhythm: possible implications for LADO *Poster*. The 25th Annual Conference of the International Association for Forensic Phonetics and Acoustics (IAFPA). York, UK, July 24 - 27, 2016.
        Pellegrino, Elisa; He, Lei; Dellwo, Volker (2015) Measuring speech rhythm using both duration and F0: A study on Italian learners of Mandarin *Talk*. Methods in L2 Prosody (ML2P 2015): Romance languages and Chinese at the crossroads. Naples, Italy, November 30 - December 1, 2015.         
        He, Lei; Glavitsch, Ulrike; Dellwo, Volker (2015) Inter-speaker variability in intensity dynamics *Talk*. The 24th Annual Conference of the International Association for Forensic Phonetics and Acoustics (IAFPA). Leiden, The Netherlands, July 8 - 10, 2015.
        Dimos, Kostis; He, Lei; Dellwo, Volker; Müller, Mathias (2015) A method for the elicitation of shouted speech with controlled loudness *Talk*. The 24th Annual Conference of the International Association for Forensic Phonetics and Acoustics (IAFPA). Leiden, The Netherlands, July 8 - 10, 2015.
        Dellwo, Volker; He, Lei; Dimos, Kostis (2015) Listeners can identify speakers based on idiosyncratic rhythm *Talk*. 15th Rhythm Production and Perception Workshop (RPPW 2015). Amsterdam, The Netherlands, July 6 - 8, 2015.
        He, Lei; Glavitsch, Ulrike; Dellwo, Volker (2014) Automatic speaker identification using syllable intensity variability: an initial attempt using the kNN classifier *Poster*. Phonetik und Phonologie 10 (P&P 10). Konstanz, Germany, October 9 - 10, 2014.
He, Lei; Dellwo, Volker (2014) Inter-speaker variability of intensity levels across syllables *Poster*. The 23rd Annual Conference of the International Association for Forensic Phonetics and Acoustics (IAFPA), Zürich, Switzerland, August 31 - September 3, 2015.
Dimos, Kostis; He, Lei; Dellwo, Volker (2014) An investigation of the rhythmic acoustic differences between normal and shouted voices *Poster*. The 23rd Annual Conference of the International Association for Forensic Phonetics and Acoustics (IAFPA), Zürich, Switzerland, August 31 - September 3, 2015.
He, Lei (2011) Interlanguage rhythm: a durational metrics study among native speakers of Mandarin and Cantonese learning English *Talk*. The 16th World Congress of Applied Linguistics (AILA), Beijing, China, August 23 - 29, 2011.
He, Lei (2010) Metacognition in EFL pronunciation learning among Chinese tertiary learners *Talk*. Languages of Education: The Chinese Context (LECC), Hong Kong, China, October 22 - 23, 2010.