[Fwd: [linux-audio-dev] Simple Plugin API: In/Out Ports: MORE BITS, please !]

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Subject: [Fwd: [linux-audio-dev] Simple Plugin API: In/Out Ports: MORE BITS, please !]
From: Jörn Nettingsmeier (nettings_AT_folkwang.uni-essen.de)
Date: ke maalis 08 2000 - 10:29:15 EST


Jörn Nettingsmeier wrote:
>
> Paul Barton-Davis wrote:
> >
> > Bill writes:
> > >All existing digital audio wire formats (s/pdif, aes/ebu, TDIF, ADAT,
> > >others?) are based on integer sample values. All digital recording
> >
> > yes and just today, i was have a conversation with a cabling/connector
> > wizard who runs another (mostly analog+protools) studio, and he was
> > commenting that he has come across several studio folk who have run
> > into problems mixing (digital) multiple hot channels down to a bus for
> > output, because the *mixed* signal exceeds the dynamic range of the
> > wire protocol. its this phenomenon (additive processing) that more or
> > less requires, IMHO, the use of (at least) 32 bit float even for
> > simple mixing.
>
> this is an important point.
> all digital audio chains should use *much more* significant bits
> internally than the target medium.
> for a good explanation and some facts about how the really expensive
> DAWs do it, see bob katz' articles at http://www.digido.com
> maybe it's nothing new for you, but i found them very enlightening.
>
> regards,
>
> jörn
>
> --
> Jörn Nettingsmeier
> Kurfürstenstr. 49
> 45138 Essen, Germany

-- 
Jörn Nettingsmeier     
Kurfürstenstr. 49        
45138 Essen, Germany


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