Re: [SoX-users] Processing Telephone Messages

[Jan S. <ha...@st...>]

On Nov 04 21:04:27, Colin Sheaff wrote:
> I've put three examples - loud/distorted, quiet, and mixed quiet and loud at:
> http://selfsimilar.net/sox/

Could you please also upload the versions (the MP3s)
processed with your current processing chain? I am
fiddling with various compand setting obviously
and would like to have some comparison to what
is "good" for you with SoundForge.

> >> However current settings are not
> >> sounding nearly as good. I used the language101.com script as a
> >
> > What script is that?
> 
> http://sox.sourceforge.net/Docs/Scripts - voice-cleanup.sh
> 
> > Well, what exactly do the SoundeForge plugins do?
> > I don't use SoundForge myself, but it porbably has
> > some options to be set for the individual plugins
> > (such as the compander).
> 
> SoundForge workflow (which, admittedly, is overkill):
> 1. resample to 44.1
> 2. Sony Wave Hammer[1] - limit at 6db and maximize
> 3. Sony Noise Reduction (clips and pops)
> 4. Sony Clipped Peak Restoration
> 5. Insert 2 sec of silence
> 6. Sony Noise Reduction: (general nr using a standard noise profile)
>   i.   reduce noise by 12db
>   ii.  attack speed fast - 90
>   iii. release speed 50
> 7. Sony Wave Hammer - volume maximizer - threshold set at -6db with
> limiter to avoid clipping
> 
> [1] - Sony Wave Hammer is a compressor/volume maximizer plugin. Best
> info I could get was here: http://vimeo.com/12129360
> 
> Really we just need compression/maximize and some limiting. Maybe
> noise reduction, but not really necessary.
> 
> Anyways, thanks again for all the help. Děkuji moc. Učim se česky,
> protože moje žena je z Prahy. (:
> 
> Colin
> 
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