A how to for a PC XO.

[BerntR]

mycall,

You can only do 2 channel loopback with LynxTwo B.

[Sonopanic]

Hi, i already read the whole thread and i am impressed of all the
experts here.

I like to build a DRC-PC, that works between the Standallone BluRayPlayer (Like Panasonic BD 55) with internal decoding of
DTS Master and TrueHD and the Amp at the other side.

The PC only have to do one thing perfect :
Take the 8x analog Channels, make DRC and put the 8x analog
channels to the amp.

No XO, no Volumeadjust.

- Which Soundcard should i use ?
- I prefer XP, which Software should i use ?
(I think audiolense and console - anything else oder better ?)

@Shin : I have read, that you store the Blurays on a server, after
you convert it to h.264 and AC3 audio.
Is there no lack of quality compared to the original track in TrueHD oder MasterAudio ?

[ShinOBIWAN]

Originally posted by Sonopanic - Which Soundcard should i use ?

Something like the RME fireface 800 will take 8 in and 8 out. Excellent quality too. If that's a little expensive you could try the MOTU 828mk3 which is similarly spec'd but somewhat lower quality overall.

- I prefer XP, which Software should i use ?
(I think audiolense and console - anything else oder better ?)

I'd recommend Acourate and console with convolver.

@Shin : I have read, that you store the Blurays on a server, after
you convert it to h.264 and AC3 audio.
Is there no lack of quality compared to the original track in TrueHD oder MasterAudio ?

Depends on the disc. A number of the older back titles that aren't current releases yet still claim to sport the multi channel HD audio formats are often simply remasters of the older DD5.1 or DTS mixes. Sometimes they've simply been upconverted from 48 to 96Khz. Ripping these sort of examples down results in no appreciable loss of quality because the benefits of HD weren't there in the first place.

Converting a true 24bit/96Khz such as those on current release does decrease sound quality but not by an amount to lose any enjoyment over. This is still 24bit/48Khz audio afterall. The main difference I've noticed is that the highs are slightly less smooth after downsampling.

I'm all for quality so if it was a big deal I'd avoid it. As it stands there's no real loss.

[mycall]

Originally posted by BerntR
mycall,

You can only do 2 channel loopback with LynxTwo B.

Hi BerntR,

Are you sure of this?

Because it looks like i managed to get 8 channels of loopback (i mean hardware loopback) with the jumper on the card.

Routing the 6 channels of device 1 (fed by MPC) back to the Lstream inputs actually works, and i managed to get them in console/vsthost through ASIO. But sending them back to the lynxtwo through ASIO does not seem to work, whatever the number of channels.

And, it looks like the WDM driver is seen only 2 channels at a time, and thus console (or vsthost) only allows to select one stereo device for input and one device for output.

[Sonopanic]

As i have read about Accourate, its for two channel only.

I need a 7.1 DRC

How about a cheaper card like a M-Audio 1010 LT ?

[BerntR]

mycall,

I am quite sure, yes.

It has been discussed times and again at the Lynx forum. It seems to be a "capacity" issue. When you loop 6 channels back, there aren't enough capacity left to output multichannel.

[mycall]

ok now i'm sure I understand you well!
Je suis français, mon Ingliche est bad...

(I wasn't sure if you were talking about the physical rerouting only or combined with the driver routing)

I guess the total number of busses must be 16, which is not enough to route 6 channels 3 times!

[ShinOBIWAN]

Originally posted by Sonopanic
As i have read about Accourate, its for two channel only.

I need a 7.1 DRC

How about a cheaper card like a M-Audio 1010 LT ?

Acourate doesn't have a channel count. It can process stereo(two filters) or mono(one filter) at a time but you can do this however many times is needed.

I run a 4 speaker setup and its no problem, you could run an 11.2 system and it would be no issue either.

[ShinOBIWAN]

Originally posted by mycall
ok now i'm sure I understand you well!
Je suis français, mon Ingliche est bad...

(I wasn't sure if you were talking about the physical rerouting only or combined with the driver routing)

I guess the total number of busses must be 16, which is not enough to route 6 channels 3 times!

Try an RME interface. These have the best routing with no practical limit on the number of loopback channels and sound great too.

My personal favourite would be the Fireface 800 but the multiface 2 is another nice one.

[BerntR]

Originally posted by Sonopanic
As i have read about Accourate, its for two channel only.

I need a 7.1 DRC

How about a cheaper card like a M-Audio 1010 LT ?

That card should work.

In your setup, Bidule from Plogue is likely to work at least as well as Console. They both are slightly demanding for new users, and it is easy to do the wrong thing and then the VST host hangs. In my expreience Bidule is slightly more robust, and less likely to get the hangup in the hands of an inexperienced user.

In the convinience department, Bidule has a slight advantage since you can open it with your choosen setup as default.

For Asio playback which is probably what you will use here the two are probably doing the job equally well.

MME and Direct Sound: Bidule doesn't accept capturing audio from one sound card's inputs and rendring to another soundcard's output. This is a deliberate design choice by David Viens. A mixed stream often causes glitches in the audio stream due to clock speed differences. On the other hand Bidule supports multichannel MME and Direct Sound, but high bit debth is downconverted to 16 bits.

Console accepts this kind of mixing of cards with MME and Direct Sound, but only 2 channel 16 bit. Together with Virtual Audio Cable (that appears as a sound card towards the software players) this is sometimes a good start for users only looking for regular stereo correction.

As shinOBIWAN says, with acourate you have to repeat the process for each speaker / driver that you are going to correct. And then you have to do quite a few extra things to get a decent integration.

Audiolense is the only multichannel solution that addresses all aspects of driver integration, speaker integration and bass management for the complete speaker setup.