On Mon, 7 Dec 1998, Alex Feinman wrote: > Jay Prince wrote: > > So, does anyone know the official range of the human voice in > > conversation? Is it 1-4kHz? > > I hope not. You ever try to talk at 1kHz? > For reference, middle C is about 256 Hz; most men speak > about a fifth to an octave below that, so I'd say, make > it 100-160 Hz or so for the vowels; the consonants keep > going out up to 15kHz, but I'm sure with a 4kHz cutoff, > speech should be understandable. Most women speak about > around middle C, or perhaps a fifth about that for ones > with high voices, so perhaps 500Hz. > As a matter of note, telephones pass the audible band from about 0-5kHz, so you have some idea of what to expect. More or less bandwidth will give you better or worse results - but if what you are looking for is to limit the input to things that can be classified as 'human speech' that's where to look. -- Subcription/unsubscription/info requests: send e-mail with subject of "subscribe", "unsubscribe", or "info" toWear-Hard Mailing List Archive (searchable): http://wearables.ml.org
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