REFERENCES
- Awan SN. Phonetographic profiles and F0 – SPL char- acteristics of untrained versus trained vocal groups. J Voice 1991; 5: 41– 50.
- Berndtsson G, Sundberg J. Perceptual significance of the center frequency of the singer’s formant. Scand J Logoped Phoniatr 1995; 20: 35– 41.
- Coleman R. Performance demands and the performer’s vocal capabilities. J Voice 1987; 1: 209– 16.
- Coleman R. Sources of variation in phonetograms. J Voice 1993; 7: 1– 14.
- Coleman RF, Mott JB. Fundamental frequency and sound pressure level profiles of young female singers. Folia Phoniatr 1978; 30: 94– 102.
- Dmitriev L, Kiselev A. Relationship between the for- mant structure of different types of singing voices and the dimension of supraglottal cavities. Folia Pho- niatr 1979; 31: 238– 41.
- Fant G. Acoustic analysis and synthesis of speech with applications to Swedish. Stockholm: LM Eric- sson Technics No 1.
- Fant G. The voice source — acoustic modeling. Speech Transmission Laboratory. Quarterly Progress and Status Report KTH (Royal Institute of Technol- ogy) Stockholm 1982; 4: 28– 48.
- Fant G, Fintoft K, Liljencrants J, Lindblom B, Martony J. Formant – amplitude measurements. J Acoust Soc Am 1963; 35: 1753– 61.
- Fant G, Liljencrants J, Lin Q. A four parameter model of glottal flow. Speech Transmission Labora- tory. Quarterly Progress and Status Report KTH (Royal Institute of Technology) Stockholm 1985; 4: 1– 13.
- Gauffin J, Sundberg J. Data on the glottal voice source behaviour in vowel production. Speech Trans- mission Laboratory. Quarterly Progress and Status Report KTH (Royal Institute of Technology) Stock- holm 1980; 2 – 3: 61–70.
- Gramming P. The phonetogram: an experimental and clinical study. Dissertation, Lund University, Malmo¨, Sweden 1988.
- Gramming P, Sundberg J, Ternstro¨ m S, Leandersson R, Perkins WH. Relationship between changes in voice pitch and loudness. J Voice 1988; 2: 118– 26.
- Gramming P, A0 kerlund L, Sundberg J. Variability of phonetograms. Folia Phoniatr 1991; 43: 79– 92.
- Hollien H. The puzzle of the singers formant. In: Bless DM, Abbs JH (editors). Vocal fold physiology: contemporary research and clinical issues. San Diego: College Hill, 1983. pp. 368–78.
- Klingholz F, Martin F. Die quantitative Auswertung der Stimmfeldmessung. Sprache – Stimme – Geho¨r 1983; 7: 106– 10.
- Klingholz F, Martin F, Jolk A. Die Bestimmung der Registerbru¨ che aus dem Stimmfeld. Sprache – Stimme – Geho¨ r 1985; 9: 109– 11.
- Komiyama S. Phonogram — a new method evaluating voice characteristics. Otologia. Fukuoka 1972; 18: 428– 40.
- Rothenberg M. The voice source in singing. In: Re- search aspects of singing. Stockholm: Royal Swedish Academy of Music, 1981. pp. 15–33.
- Schutte HK, Seidner W. Recommendation by the Union Of European Phoniatricians (UEP): standard- izing voice area measurement/phonetography. Folia Phoniatr 1983; 35: 286– 8.
- Schutte HK. Untersuchungen von Stimmqualita¨ten durch Phonetographie. HNO-Praxis 1980; 5: 132– 9.
- Seidner W, Kru¨ ger H, Wernecke KD. Numerische Auswertung spektraler Stimmfelder. Sprache – Stimme – Geho¨ r 1985; 9: 10– 3.
- Seidner W, Schutte H, Wendler J, Rauhut A. Depen- dence of the high singing formant on pitch and vowel in different voice types. In: Askenfelt A, Felicetti S, Jansson E, Sundberg J (editors). Proceedings of the Stockholm Music Acoustic Conference 1983 I (SMAC 83). Stockholm: Royal Swedish Academy of Music, 1985. pp. 247–60.
- Seidner W, Wendler J, Wagner H, Rauhut A. Spek- trales Stimmfeld. HNO-Praxis 1981; 6: 187– 91.
- Sundberg J. Formant technique in a professional fe- male singer. Acustica 1975; 32: 89– 96.
- Sundberg J, Skoog J. Dependence of jaw opening on pitch and vowel. J Voice 1997; 11: 301– 6.
- Sundberg J. The science of the singing voice. Dekalb, IL: Northern Illinois University Press, 1987.
- Titze I. Acoustic interpretation of the voice range profile (phonetogram). J Speech Hear Res 1992; 35: 21– 34.
- A0 kerlund L, Gramming P, Sundberg J. Phonetogram and averages of sound pressure levels and fundamen- tal frequencies of speech: comparison between female singers and nonsingers. J Voice 1992; 6: 55–63.