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f = Sound[SoundNote[#, 1, RandomChoice[{"Piano", "Cello", "Tuba"}]] & /@ RandomInteger[12, 300], 100]; {sounds, duration} = List @@ f; durs = sounds /. SoundNote[p_, d_, i_] :> d /. SoundNote[p_, i_] :> 1; steps = Rescale[Most@Prepend[Accumulate@durs, 0]]; Manipulate[Sound[sounds[[s ;;]], duration (1 - steps[[s]]) ], {s, ...


1

Here is my solution. After recording the snippets and background using SystemDialogInput["RecordSound"], send the sound objects through a BandpassFilter to restrict to voice frequencies only: background = BandpassFilter[background, {300, 3400}]; sn1 = BandpassFilter[sn1, {300, 3400}]; sn2 = BandpassFilter[sn2, {300, 3400}]; Then we can see if the ...


2

Just to get an answer on this one, since it finally fixed someone's problem. Sometimes things get corrupted in MMA's initialization files which leads to strange, usually low-level complaints, e.g. can't import MP3. The fix is easy, so it's always a good first step when you see that red pop-up. (And confirmed that the user isn't to blame...) To keep this ...



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