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Variations in the fundamental frequency in Hz (upper curve) and in the overall amplitude in dB (lower curve) in a vowel sung by a female singer; note that a rise in frequency is not necessarily accompanied by a rise in amplitude
Variations in the fundamental frequency in Hz (upper curve) and in the overall amplitude in dB (lower curve) in a vowel sung by a female singer; note that a rise in frequency is not necessarily accompanied by a rise in amplitude