Re: Recording from 24-bit sources

2017-03-04 19:10 GMT+01:00 Gale Andrews <[email protected]>:

> 2.0.5 is now very old. The current 2.1.2 may be obtained here:
> http://www.audacityteam.org/download .
>

Only in source code, as it seems. I just checked the PPA, still 2.0.5 there.


>
> Change to Waveform(dB) by clicking in the name of the track.
>

Wow, thanks! I have used Audacity for years and I never saw that before!
Maybe it would have been more intuitive to right click the actual scale or
something, but that has currently another function…


>
> To see down to -145 dB in the vertical scale, you will also have
> to change the Meter dB setting in Interface Preferences.
>

Thanks again, got it!


>
> If you are on Windows, true 24-bit recording is only possible,
> even in 2.1.2, if you choose Windows WASAPI host:
> http://www.audacityteam.org/about/features/ .
>

Well, since 2007 I'm not…


Thanks for your help!


Kind regards

Johnny Rosenberg



>
> When 2.1.3 is released (perhaps mid-March) it should also
> support true 24-bit recording with Windows DirectSound host.
>
> 24-bit recording in Audacity with MME host is not currently
> possible.
>
>
> Gale Andrews
>
>
> On 4 March 2017 at 14:06, Johnny Rosenberg <[email protected]> wrote:
> > When recording with Audacity from a 24-bit digital source (in my case
> with
> > S/PDIF), someone said that only 16 bits are recorded, padded with 8
> zeroes.
> > Is this true? I'm using Audacity 2.0.5.
> >
> > I should be able to answer my question myself by just zooming in
> vertically,
> > but for some reason I can't zoom in enough. After zooming a few times
> > nothing more happens. The text for the vertical scale is then graded
> -0.045
> > – 0.045 in steps of 0.005, and each mm, when a channel is stretched all
> over
> > my screen, seems so be a little less than 0.0005, which is approximately
> the
> > size of LSB of an 11-bit signal. For 24-bits, LSB is approximately
> 59.6×10⁻⁹
> > (0.0000000596).
> >
> > Is there a newer version that allows me to zoom in vertically as much as
> I
> > want, at least so I'm able to see if a signal comes from a 16 or 24 bit
> > source?
> >
> > And is there a version that lets me see the vertical scale in dB (0
> dB=1.0)?
> > Or is it possible in 2.0.5? At least I couldn't find out how.
> >
> >
> > Kind regards
> >
> > Johnny Rosenberg
>
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*********** ASKING FOR HELP *************

When asking for help on this list, please include the following information, so we can 
help you properly: 

* What operating system you are using (for example, Windows XP or Mac OS X 10.5.1)   

* Exactly what three digit version number of Audacity you are using (Help > About 
   Audacity, or Audacity >  About Audacity on a Mac computer)   

* If this is a recording problem, what equipment you are recording with, and how is it 
   connected to the computer?

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