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  • $\begingroup$ This works for SampleSoundList, so for voice above, this would be done: Sound[BandpassFilter[voice[[1]], {60 π, 180 π}, SampleRate -> 22400]]. It did not work as well as the wavelet based denoising by @Vitaliy Kaurov $\endgroup$ Commented Dec 2, 2012 at 10:03
  • $\begingroup$ @ubpdqn You'll have to filter the correct band for the sound sample that Vitaliy used. I was addressing OP's question where they wanted to filter their data (not shared) between 60 and 180 Hz. $\endgroup$ Commented Dec 2, 2012 at 15:23
  • $\begingroup$ Should that be BandpassFilter[data, {2 π 60, 2 π 180}, SampleRate -> 22400] for radian frequencies? That is, a coefficient of 2 π rather than π. $\endgroup$ Commented Dec 3, 2012 at 18:06
  • $\begingroup$ @david Maybe... I wrote this answer before version 9 was actually released (going just by the docs which rolled out early). I'll test it with an example edit it later today with some more info. $\endgroup$ Commented Dec 3, 2012 at 18:08
  • $\begingroup$ @Nasser M. Abbasi: For several versions, including 9, the entire set of Documentation Center pages have been put on-line as soon as the software was released. $\endgroup$ Commented Dec 5, 2012 at 20:08