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Reading a Spectrogram of a Voice

The working picture of the whole field: time on one axis, frequency on the other, energy as darkness. Students need fluency reading it before they can be shown that two different structures in it come from two different parts of the instrument.

Questions this Concept answers

Why do a voice's harmonics appear on a narrowband spectrogram as a stack of evenly spaced horizontal lines?

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Reading a Spectrogram in Acoustic Phonetics

Spectrogram reading in acoustic phonetics is the process of identifying speech sounds from their time-frequency energy patterns: vowels are recognized by clear formants (concentrated energy bands, pa…