Raw data / audioparse sounds different on replay

[Oly]

I have bee experimenting with gstreamer, mainly looking at ways to speed up
audio mixing.

I have created this pipeline filesrc > wavparse > filesink which creates a
file now i am trying to play the file using filesrc > audioparse > alsasink.

The problem is the ouput sound is a beep and not the original sound, if i
parse the first pipline to alsasink it plays fine however, what am i
missing ?

Basically i am looking at playing, seeking and mixing audio together with
as little delay as possible, so any suggestions on pipelines for this would
also be appreciated, but i would like to understand what may be the cause
with the second program playing a different noise.
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