The DWT is exactly the kind of tool SciPy needs.   The goal would not be to re-invent DWT with SciPy, but simply integrate pywavelets into SciPy if that is at all possible.    Having so many packages is good for developers, but not very good for consumers as people have to collect a lot of different packages together to get what they want.   Some of this pressure is being alleviated by "distributions" of Python, and I expect that trend will continue.   But, it is still useful for SciPy to grow "fundamental" libraries like a DWT.   

I'll send the pywavelets author an email, would be great to get his input on this.

I agree that wavelet transforms, both DWT and CWT, are well within SciPy's scope, if we could integrate pyWavelets into SciPy that would be great. It does beg the question though, if that is the path we are going down would it be better to implement a CWT in the same style as pyWavelets to have uniformity in use if they are both integrated in SciPy.

Stuart

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