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-   -   Hi-end DSP based multi-channel integrated Preamp/Crossover/DAC project (https://www.diyaudio.com/forums/vendor-s-bazaar/264743-hi-dsp-based-multi-channel-integrated-preamp-crossover-dac-project.html)

Tromperie 9th April 2017 02:00 AM

Quote:

OK food for thought. Didn't know software RAID existed although it may be good for a dedicated server but for an everyday hacking computer with some questionable software and potential viruses running it could be a possible problem ?
By software RAID, I mean the IO is determined by the NAS firmware, not by a RAID card. FreeNAS has the advantages; it is,
1. Constantly being developed and is the baby brother to enterprise quality NAS software.
2. Non-proprietary, so if any hardware fails, you replace it with other hardware
3. FREE
4. Nearly failsafe. Nothing is absolutely failsafe but this offers a very high level of safety and redundancy. You could smash the box with a sledge hammer and as long as you could retrieve one HDD, you can rebuild the box.
5. Able to operate on nearly anything 64 bit capable.
6. Able to be backed up to Amazon cloud servers or another server box.

I have no connection with FreeNAS, apart from having used it over several years, and am a very happy "customer" of a free product. You could start with, say, 2TB of redundant storage on a NAS and add more storage later if you need it.

I still suggest using a NAS, and 2 x SSD (or HDD) in mirror on your main PC. SSDs are now very reliable and are much faster than HDDs. Offloading your data to a NAS means it may be less susceptible to virus attack. There are synchronisation programs that will check for changed files periodically (even five minutes)and write the changes to a NAS, if you want to keep the data on your PC.

Tromperie 9th April 2017 02:08 AM

Oops, forgot to say you could do regular disc images of your PC and save them to the NAS too. If both of the mirrored SSD/HDDs fail, restoring would be fairly easy.

orangeart 12th April 2017 07:14 AM

I can't be bothered with all of this any more. A new install is definitely cleaner than an image of a cluttered old drive. I think if my drives have got old enough to fail, my drive OS is probably in need of an over haul any way.

These days i just use One drive to keep all the files that are important to me, that way i can access them everywhere and get them back when things go tits up.

Stefan

Tromperie 12th April 2017 10:40 AM

Quote:

I can't be bothered with all of this any more.
How does this address the original scenario?

Tranquility Bass 20th May 2017 08:24 AM

Update
 
Hi there !

Getting back on track. Here's a well overdue update. Sorry for the delay but it was unavoidable when the last case supplier balls it up and left us hanging. :(

This is the new case we got made which is finished in 3mm brushed black anodized aluminium with silk screen overlay. The design is essentially identical to the prototype which I built myself except for some changes to the front panel. I think our supplier did a great job on this ;)

Some things that still need to be tested include:-
  • I2S input from a PS-Audio compatible source
  • AES/EBU input
  • Test the unit out with high efficiency active horn speaker setup
  • Microphone input
  • Audio amps with balanced input

https://www.analog-precision.com/ima...s/P1040269.jpg

https://www.analog-precision.com/ima...s/P1040270.jpg

https://www.analog-precision.com/ima...s/P1040271.jpg

https://www.analog-precision.com/ima...s/P1040272.jpg

https://www.analog-precision.com/ima...s/P1040273.jpg

https://www.analog-precision.com/ima...s/P1040274.jpg

https://www.analog-precision.com/ima...s/P1040275.jpg

https://www.analog-precision.com/ima...s/P1040250.jpg

https://www.analog-precision.com/ima...s/P1040254.jpg

https://www.analog-precision.com/ima...s/P1040257.jpg

https://www.analog-precision.com/ima...s/P1040266.jpg

bkdog 20th May 2017 09:53 AM

AWESOME! :)

LeRouge 20th May 2017 03:16 PM

Fabulous !

It's been several months now since I am behind my screen to follow this subject, with the hope that he finally sees the end. Apiori, we are finally approaching the release on the market of this "Ultimate DSP / Preamplifier". Well done.

An idea of a release date and the price range?

A solution such as this twinned with, for example, a custom amplification like this could make a very serious basis for DIY speakers of good bills...

NWCgrad 20th May 2017 03:25 PM

Looks awesome! Can it be used as a digital preamp (i.e. AND --> Tranquillity --> Kii 3 active speaker)? I am looking for a unit that can do lossless volume control passed via AES-3 digital.

Tranquility Bass 22nd May 2017 12:40 AM

Quote:

Originally Posted by NWCgrad (https://www.diyaudio.com/forums/vendor-s-bazaar/264743-hi-dsp-based-multi-channel-integrated-preamp-crossover-dac-project-post5085000.html#post5085000)
Looks awesome! Can it be used as a digital preamp (i.e. AND --> Tranquillity --> Kii 3 active speaker)? I am looking for a unit that can do lossless volume control passed via AES-3 digital.

Probably not in that configuration. The lossless volume control is done via the DAC. Wouldn't the speaker have its own volume control ?

Kii CONTROL

Tranquility Bass 22nd May 2017 12:44 AM

Quote:

Originally Posted by LeRouge (https://www.diyaudio.com/forums/vendor-s-bazaar/264743-hi-dsp-based-multi-channel-integrated-preamp-crossover-dac-project-post5084993.html#post5084993)
Fabulous !

It's been several months now since I am behind my screen to follow this subject, with the hope that he finally sees the end. Apiori, we are finally approaching the release on the market of this "Ultimate DSP / Preamplifier". Well done.

An idea of a release date and the price range?

A solution such as this twinned with, for example, a custom amplification like this could make a very serious basis for DIY speakers of good bills...

Just building up a few units for clients to work out the logistics of the whole process.

cheers


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