Even thou vocal chord energy diminishes rapidly above 3khz , the all important high frequency consonants of human speech,
such as the..
"S", "T" , " SH", " CH", " K" and "Z" sounds,
that are formed with various combinations of the mouth and teeth are well above 3khz.
http://www.icycolors.com/nu9n/essb.htmlFrequency complexity of a voice sound : phonem haveing a fundamental and many harmonics....
http://www.iurc.montp.inserm.fr/cric/audition/english/sound/sound.htmMost of the audio spectral content of the human voice is in frequencies below 600hzhz , but most of the intelligibility is above 1k hz...
" Formats "
http://members.misty.com/don/hivoice.htmlBat sounds and Human Speech..
Acoustic componets, some constant frequencies and noise bursts, not unlike vowels and consonant sounds,
as well as frequency - modulated components.
Higher Order Neurons...
A Brain Map of Auditory Space
The Value of Haveing Two Ears
The Quivering Bundles That Let Us Hear
http://www.hhmi.org/senses/c230.htmlFundamental frequencies and harmonics musical notes..
Of course music is composed of thousands of frequencies of sounds all at once.
Why aren't our stereo systems perfect ???
What about Cd's ??
The old age problem...
An equalizer helps your stereo system accuratly reproduce the entire frequency spectrum of your music..
http://www.dak.com/reviews/Tutorial_frequencies.cfm
