On Monday, September 10, 2012 4:12:40 PM UTC-4, MRAB wrote: > On 10/09/2012 20:39, Wanderer wrote: > > > I have an array generated by audiolab of left and right stereo > > > channels. It looks like [[1,1],[1,2],[2,3]]. I would like to combine > > > the left and right channels to get an array [2,3,5]. Is there a numpy > > > command to do that? > > > > > >>> import numpy > > >>> numpy.array([[1,1],[1,2],[2,3]], dtype="i") > > array([[1, 1], > > [1, 2], > > [2, 3]]) > > >>> a[:, 0] > > array([1, 1, 2]) > > >>> a[:, 1] > > array([1, 2, 3]) > > >>> a[:, 0] + a[:, 1] > > array([2, 3, 5]) > > > > But should they be added together to make mono? > > > > Suppose, for example, that both channels have a maximum value. Their > > sum would be _twice_ the maximum. > > > > Therefore, I think that it should probably be the average. > > > > >>> (a[:, 0] + a[:, 1]) / 2 > > array([1, 1, 2])
I'm decoding morse code. So it's CV dots and dashes. -- http://mail.python.org/mailman/listinfo/python-list
