Measurement of Voice Onset Time in Maxillectomy Patients

Figure 1

Spectrograms of normal and atypical production of stop consonants. (I) Spectrogram of a normally produced stop voiceless consonant, where A is the consonant burst and B is vocal fold vibration. (IIA) Spectrogram of a consonant showing a negative VOT, where C is a consonant burst and D is vocal fold vibration that started earlier than the consonant onset. (IIB) Spectrogram with an unclear consonant onset (E).