Not sure you're right about middle C. Someone else will have to chime in on that one. But here are two charts that should answer your question about orchestras: http://www.listenhear.co.uk/general_acoustics.htm http://www.dak.com/reviews/Tutorial_frequencies.cfm |
My spectrum analyser indicates that the high end of most recorded music rolls off around 12-14 KHz most of the time. Sometimes (not often) there is significant signal up to 20 KHz. The low end varies greatly. Usually nothing below about 40 Hz, but again there are times when the 20 Hz third octave is as high as any other. |
What you guys are missing here are the overtone series that these insturments and voices produce. These are the sonic signatures that make the 440 from a piano sound different from that of a violin or other insturment. These freqencies can extend well beyond the human spectrum of hearing and are vital in listening to music. |
