[LAU] pcm capture from jack

[Rustom Mody]

Ive been wanting to record the output of firefox(flash of some sort).

I followed http://jackaudio.org/routing_alsa
and connected the firefox output into audacity.
It works but the original firefox sound is much louder and clearer than the
recording even when done at full volume.

So two questions

1. Is it possible to capture the pcm data that jack is sending into a file
and then to convert that file (sox??) to wav.
I tried arecord and audacity -- they were both similar

2. Any better/more proper way to do this?
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