[Bug 794411] gstaudioresample: insufficient anti-aliasing

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=794411

--- Comment #12 from Aaron Viets <adviets at uwm.edu> ---
Created attachment 370192
  --> https://bugzilla.gnome.org/attachment.cgi?id=370192&action=edit
audioresample transfer function zoomed only upsample

It appears that there is a phase error associated with both upsampling and
downsampling, but the error is greater when upsampling. I am still using the
same basic pipeline that generates white noise at 16384 Hz, downsamples it to
2048 Hz, and then upsamples it again to 16384 Hz.

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