2006-10-15 07:56:52 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Other - Science
Record the purrs to .wav files on your computer. Then use tools like Audacity (http://audacity.sourceforge.net/) or Reliable Frequency Analyzer (http://www.programurl.com/frequency-analyzer.htm) to do a frequency analysis of the sound files.
Audacity is particularly useful. It can display either the actual waveform, or a frequency analysis of any part of it. You can just make screen shots of the waveforms, or output a text file and import it into Excel or other spreadsheet program for graphing and analysis. Audacity will also let you edit your sound files.
2006-10-15 09:29:08 · answer #1 · answered by injanier 7 · 0⤊ 0⤋
I guess u could try to measure it by the longevity of it and the volume of it by recording it. Try using different stroke methods (i.e. petting with your hand, with a brush, with a comb, with a brush glove) or try to compare the purr quality in different areas of the cat (like behind the ear, under the chin, under the collar (my cat purrs the most when u get under his collar where he can't scratch) on the belly, their backs, tail, limbs, etc.) Sounds interesting, good luck!
2006-10-15 15:04:01 · answer #2 · answered by KryBaby 4 · 0⤊ 0⤋
i would suggest u record it with a mike and then analyze it with ur computer, if u have a microphone u can easily find programs that help u analyze sound by putting the output on screen in the form of a line that oscillate.
2006-10-15 15:16:28 · answer #3 · answered by smart son of a bich 2 · 1⤊ 0⤋
sound ruler, they sell them at office depot.
2006-10-15 15:05:08 · answer #4 · answered by Kris 3 · 1⤊ 0⤋