What is another word for speech spectrum?
Pronunciation: [spˈiːt͡ʃ spˈɛktɹəm] (IPA) 
The term "speech spectrum" primarily refers to the range of frequencies that are used in human speech. However, there are various synonyms that can be used to refer to this same concept. One such synonym is "vocal range," which essentially describes the range of frequencies that a person's voice can produce. Another synonymous term is "phonetic range," which highlights the fact that the different sounds and phonemes used in human language fall within a certain range of frequencies. Equivalent expressions include "speech frequencies" or simply "voice frequency range." All of these terms essentially refer to the same concept: the range of frequencies used in human speech and phonetics.
