Thanks for your response. Support for your suggestion comes from observation that changing the size from -16 to -8 yields an octupling of the duration. So it seems that pygame.sndarray.make_sound isn't properly accounting for the bit depth of the numpy array.
On Mon, May 21, 2012 at 3:03 PM, Nicholas Seward <nicholas.sew...@gmail.com> wrote: > Could it be that a is an array of 64bit floats and each array element > becomes 4 16-bit samples? > > On Mon, May 21, 2012 at 12:54 PM, Mike Lawrence <mike.lw...@gmail.com> wrote: >> The following code: >> >> import pygame, numpy >> pygame.mixer.pre_init(frequency=96000,size=-16,channels=1) >> pygame.init() >> a = numpy.random.randn(96000) >> sound = pygame.sndarray.make_sound(a) >> print sound.get_length() >> >> yields a print-out of 4.0, suggesting that the specified duration of >> 96000 samples at a 96000kHz sampling rate was somehow quadrupled >> somewhere along the way. Any idea what I'm missing here? Or is this a >> bug?
