Examples of what we do:

Pitch correction in a mix. A very common problem: great recording, but what a shame of that one (or two..) bad note! Now, there are already many tools to correct the pitch of a vocal or solo instrument, recorded on a separate vocal track. However, there are no tools available that can do this in an already finished mix, or a live mixed recording. Still, in more than 9 out of 10 cases it is possible with our selective pitch correction technique, and can save an otherwise unusable recording. If the mood and performance of a recording was just right, but you missed one or two notes, you can now restore this, and save your recording from being discarded.
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Vocal enhancement: we can also enhance/boost the vocal (or soloist) in a mix when it is too soft or not prominent enough. We can also change the tonal colour, equalisation or dynamics of the vocal, without affecting the music!

Vocal reduction : standard equipment or software used for vocal elimination is based on stereo cancellation. This is in fact a very crude method that always eliminates much more than just the vocal, destroys the stereo image, and often doesn't really work at all. CSP has developed its own methods, which can be applied to a much wider range of audio material and has less effect on the backing music.
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There many more examples of what we do here.