In looking at the speech signal on a speech spectrogram:
A) word boundaries are easy to identify.
B) phoneme boundaries are easy to identify.
C) a given phoneme may have different pronunciations.
D) both A and B

Question

Quizplus · Accepted Answer

A given phoneme may have different pronunciations due to factors like coarticulation and speaker variation, which is reflected in the spectrogram. Word and phoneme boundaries are often not easily identifiable because of the continuous and overlapping nature of speech sounds.

In Looking at the Speech Signal on a Speech Spectrogram