Re: [Qtractor-devel] Help needed regarding to the mastering - WAV conversion / resampling (and some additional notes, regarding to serious problems)

[Ralf M. <ral...@al...>]

Rui Nuno Capela wrote:
> On Fri, 11 Jun 2010 13:12:40 +0200, Ralf Mardorf
> <ral...@al...> wrote:
>   
>> Btw. recording audio tracks by Qtractor will cause a loss of the audio 
>> quality, while there seems to be no loss, when I record audio signals by
>>     
>
>   
>> using jack_capture.
>>
>>     
>
> care to share some evidences?
>
> after all, sure you have some, haven't you? like the plain audio files you
> recorded from the very same source? if i can assume that, both qtractor and
> jack_capture does it through libsndfile.
>
> now, are the audio file sample formats equivalent? on your premises,
> sample-rate is 96khz on either way, so no problem about that.
>
> in order to make any kind of an apples-to-apples comparison, make sure you
> set Qtractor/View/Options.../Audio/Capture&Export/Format in sync with what
> jack_capture does (iirc, default used to be wav float, ymmv)
>
> cheers
>   

I'm able to reproduce the evidences, but I'm short in time and if 
possible I prefer to test JACK 1 instead of JACK 2 ASAP, because I wish 
to be able to use Qtractor + Rakarrack, while top displays that the 
computer has got enough resources. Because at the moment I'm fighting 
against the problem, that I can't record my guitar on any sound quality ;).

To be continued.

Ralf