Musical Soundwaves

[Don]

Hi Ed,

Make that 50 hertz to 6,000 hertz for the telephone 

At 01:05 PM 8/2/02 EDT, you wrote:
>Greetings, 
>combining several posts: 
>Bill writes: 
>>Why does Terry's voice sound like his instead of his wife's? The 
>>answer doesn't lie in the proportions of the lower eight or sixteen 
>>partials but in the entire spectrum of acoustical energy delivered by 
>>the particular instrument, as the human being plays it.
>
>   The full spectrum isn't necessary to tell one voice from another.  The 
>telephone only transmits frequencies between (I think), 50Hz -800Hz, but
that 
>is sufficient for us to recognize individuals voices.  
>Regards, 
>Ed Foote RPT 
>
>Ron writes: 
>
>>>The reason why A440 sounds like A440 on a piano, voice and mandolin, 
>>>is that our ear locks onto the lowest frequency, the fundamental, to 
>>>identify the pitch of the note.
>
>it was my understanding that the ear recognizes the pitch of a note by using 
>the separation between frequencies as a "harmonic sequence" to discern the 
>fundamental.  In fact, it has been shown that a synthesized "note" of the 
>2nd, 3rd, 4th, etc. partials, in the order of 200, 300, 400, etc. causes the 
>ear to hear the fundamental of 100, even when it is not present.  
>Regards 
>Ed Foote
>
>

Regards,
Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T.

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