Lucid 88192

[Versie Rons]

I've set the lucid 88192 to smux on for both input and output. Hooked up all four adat cables to adat inputs 1 and 2 on the 9652 card. the hammerfall dsp settings show system clock slaved at 88.2, however adat sync shows ADAT 1 at 44.1. Should they both be the same?

Digital recording technology has completely changed the way audio engineers record and produce music. Quality standards for digital audio recordings are increasing every day, and these new standards require new tools. Lucid has been providing these tools for many years. We understand the phrase, excellence in digital audio.

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Extremely low distortion and jitter, coupled with wide frequency response translates into clean, quiet, accurate, and stunning recordings. Adjustable gain and clip limiting on the analog input stage allows the user to optimize levels under a variety of circumstances. The simple user interface is designed for quick, efficient operation of all functions.

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The Lucid 88192 guarantees excellence in audio conversion and management for recording, post-production, and broadcast environments. An optional FireWire interface card for compatibility with Windows and Macintosh computers for native workstation recording applications is coming soon!

Eight channels of high quality A/D and D/A conversion 24-bit audio conversion at samples rates up to 192 kHz Eight channels of single-wire AES/EBU I/O up to 192 kHz Eight channels of ADAT SMUX2 I/O up to 96 kHz Analog and AES/EBU I/O uses XLR connectors Sync via internal, Word clock, AES, or ADAT inputs Straightforward setup and operation via front panel encoder and display Soft clip for peak limiting in the analog domain Option port for FireWire host and future developments

My Main ADAT converter is a Lucid 88192 that runs IN & Out of my Hammerfall Digiface. Works great.
I have recently changed my setup and added additional converter / preamps. The Sync Check in DSP Settings shows it as being locked yet the green light on the input state of the Digiface blinks green.
The recorded audio seems to be ok. I hear no issues. I don't think there's any jitter, they sound like solid tracks. I've been digital recording for 20 years & have to say I'm not exactly sure what jitter sounds like but I'd probably know if there was an issue.

What I have found is if a converter/preamp has both In/Out ADAT, all is good, no blinking light and says Sync. If the converter does not have a IN then the light blinks green yet it says Locked.
I have searched the net extensively for the answer but have failed to find the info I'm looking for in regards to the RME unit.
I have read that ADAT clock travels only on the Out light-pipe. If this is so, how is the 2nd Converter/Preamp locked and recording seems to be ok?

I assume that some or all of the newly added devices are not configured properly to get their clock from the digiface.
Remove all new ADAT cables.
If your 88192 was configures properly you should get LOCK (valid input signal recognized) and then SYNC (received signal has the same sample rate as you Digiface = synchronous).

Now add the 2nd device to your Digiface with the two TOSLINKS. Either the device is properly configured to get its clock from the Digiface via its ADAT IN port, then you should see LOCK and SYNC (green steady light). If the light is blinking at the Digiface then you have a lock, only a valid input signal has been recognized, but it is has not the same sample frequency, thus it is not in the desired status sync.

My Units that have no ADAT IN can not get the clock signal. As I stated above "If the converter does not have a IN then the light blinks green yet it says Locked." and as I read in the manual (Thank you ramses) the Digiface is telling me exactly what is wrong.

So I will switch to BNC cables using the Word Clock from my Lucid WC out to the Digiface WC in with a T-adapter on to #1 Converter/Pre with another T-adapter to #2 Converter Pre with another T-adapter w/ a terminating plug.
It's my understanding that I only use the Word Clock Out BNC from the 1 unit that will be the clock.

There is vast amount of opinions on Word Clocks & Audio.
1 being that it's best to have a WC with BNC Out to each device rather than the daisy chain method I just wrote above w/ T-adapters.
There's a group of people who say if you have a good converter w/ a good Word Clock changing word clocks will not change the sound of the audio.
Then you have (I'd say more) people who say each clock has its own sound. It will make reverb tails more apparent & a wider mix ect.
That is one area of the DAW world that seems to have no conclusion or definitive answer. Much like sample rate conversion.

I plan to check out my DAW setup properly w/ the Lucid as the Clock. Then maybe see if I notice any differences w/ the Digiface as the clock and then my Focusrite as the clock. I've been in contact w/ someone that wants to sell me a BLA MkIII clock but I have a feeling the Lucid will do just fine.

You can make the device with only adat out master through this adat. Set the digiface to slave to that adat. That is the most simple and reliable solution. I have 4 devices connected to my hdsp9652 a pci internal digiface. All in sync without wc.
WC Will not improve sound and if it changes with a WC it is always for the worst. Even if you like it. Remember our brains like distortion in reasonable amounts.
Never get an external WC unless it is physically needed for a setup.

> What I have found is if a converter/preamp has both In/Out ADAT, all is good, no blinking light and says Sync.
> If the converter does not have a IN then the light blinks green yet it says Locked.

Yes, I understand that I could set my Focusrite converter/pre as the Master clock? This does work when it's just Focusrite / Digiface / Lucid (Lucid has the ADAT In for the clock). I did this today... all sync.

The other issue...
I also have another converter/pre (M-Audio Octane) that i will use from time to time that only has ADAT In.
The only way I see this working is to use BNC cables because all units have WC I/O. Unless I'm still not understanding something? Also... since the Lucid is my main & best converter I thought it would be best to use it as the Master

I'm going to be doing some comparing of the clocks A/D
Even though I know Lucid makes a great clock I'm tempted to use the Digiface just because it's the central device.
Any opinions on the Digiface word clock?

Last question... Using the BNC cable from Digiface to Focusrite... Since it's just 1 cable going to the input do I still need to terminate it? Or does that just happen since there is no cable connected to the Focusrite WC output?

That should be in to Focusrite manual cause it is device specific (termination).
IMHumbleO, the digiface clock is just fine and it is not worth it going all esoteric about it, listening for soundstages etc.

So a few questions if anyone cares to comment. For one, I am not in the market for this. But I might be in the market for it one day or something like it. Right now I am using either the converters on the ES-8, the converters on the elektron Analog 4 mk1 or the converter on my Apogee Jam 96k.

I like the idea that I can expand the inputs on the ES-8 with ADAT, but I am curious how having something old but industry grade compares to having something contemporary but home studio grade. I suspect that something like the Lucid 88192 would be worth something, but I am suspicious because of how much digital technology has advanced in the last 20 years, especially in terms of music production equipment.

All the conversion is done within the ES-8. Tthe ES-8 generates an internal clock and samples the inputs at the selected clock frequency and converts the samples to 24 bit integers and sends them serially to the host via USB. Likewise the outputs are received via USB, converted from digital to analogue signals and output from the ES-8. With an active ADAT connection the clock can be sourced from the ADAT signal, but otherwise operation is the same. From looking at the user manual, it looks like connecting 2 ES-8s via ADAT would work, giving you 16 outputs and 8 inputs.