p. 250
Why is it hard to determine the place of articulation of plosives from a spectrogram?
How can we try to distinguish between /b, d, g/?
What is a formant transition?
Have a look at Figure 28.5 on p. 250. Describe what happens to the second formant at the end of 'gag'.
What happens to the third formant at the end of 'gag'?