[AG-TECH] Realtek HD compatible RAT

[Michael Miller]

Doug,

I've got this working with my SigmaTel HD card on a Dell laptop with 
Vista.  Thanks much!

myk

Douglas Kosovic wrote:
> Hi Andrew,
>
> That's very interesting about the multi-stream playback option in your 
> Realtek control panel, I don't see that option anywhere. I'm using a 
> MacPro with a Reltek ALC885 and have headphone and line-out enabled. 
> Regardless of what I do, the "Realtek HD Audio output" mixer is the 
> only output mixer that gets listed. I have no idea why, perhaps it 
> might have to do with differences in the way PC manufactures wire up 
> and configure the ALC88x.
>
> Anyway, I would like to have RAT given separate input and output 
> device support added eventually.
>
> Cheers,
> Doug
>
> Andrew Rowley wrote:
>> Hi,
>>
>> The Realtek does allow you to have two inputs and two outputs - you
> > have to enable multi-stream playback from the Realtek control panel.
> > This may only be on later models (mine is an ALC882).
>>
>> Anyway, the important thing is that this works now, so great work and 
>> thanks!
>>
>> Andrew :)
>>
>> =============================
>> Research Computing Services,
>> Manchester Computing,
>> Kilburn Building,
>> University of Manchester,
>> Oxford Road,
>> Manchester,
>> M13 9PL,
>> UK
>> Tel: +44(0)161-275 0685
>> Email: Andrew.Rowley at manchester.ac.uk  
>> -----Original Message-----
>> From: owner-ag-tech at mcs.anl.gov [mailto:owner-ag-tech at mcs.anl.gov] On 
>> Behalf Of Douglas Kosovic
>> Sent: 14 December 2007 00:34
>> To: ag-tech at mcs.anl.gov
>> Subject: RE: [AG-TECH] Realtek HD compatible RAT
>>
>> Hi Andrew,
>>
>>> Great work - just tested on my home PC.
>>
>> Glad to hear it worked.
>>
>>> Will this code go in to the SUMOVER repository?
>>
>> Definitely.
>>
>>> One thing I was wondering was if you could have a selection of input
>>> and output devices?  I don't know if it would actually work, but it
>>> might then allow Rat to be used with Webcam microphones...
>>
>> I was originally thinking of providing separate input and output device
>> support, but settled on doing a simple solution first. In order to
>> prevent clicks, pops, and other audio artefacts, it's important for
>> multiple audio cards to be synchronized and not drift apart over time,
>> for a single audio device this is a non-issue.
>>
>>> Also, the HD sound cards allow multiple paths - a selectable input and
>>> output device should allow you to configure based on these paths
>> (again
>>> I think this is the case, but I haven't tried out what actually
>> happens here).
>>
>> For the Realtek HD, I've only seen a single output mixer with multiple
>> input mixers. I'll be interested to hear if there are HD devices with
>> more than one output mixer.
>>
>>
>> Thanks,
>> Doug
>>
>>
>