exaU2I - Multi-Channel Asynchronous USB to I2S Interface

[Russ White]

Originally Posted by Coris

You do in fact think that the thread "Buffalo III - flexibility without compromise." is all about your product... You can actually not tolerate something else than exclusively about Buffalo on that thread. You do so! You also rejected many times ExaU2I from your own thread, because was about "miss leading"... It does your thread belong to this forum?

Coris,

I appears you don't understand that the Twisted Pear Audio forum is exclusively for Twisted Pear Audio. Why would you expect it to be something else?

I don't recall any other reason for deleting posts other than we did not want to advertise for work we did not necessarily endorse. I am sure any reasonable person can understand that.

Please read the moderator's note at the top of the forum.

Thanks!
Russ

[pinnocchio]

Originally Posted by exa065

Russ,
The readers will decide for themselves who behaves like an honest vendor. If you are interested to have a factual discussion, I am prepared to address any of my statements that you find wiled or inaccurate.

You didn't reply to the questions that matter to the DIY users regarding achieving the best sound with a Buffalo DAC. Many of them consider various I2S devices. It appears that you are looking for end to end TPA solution and nothing else works for you.

I am disappointed to see this useless fight on my thread. Long ago on the about page of the TPA website there was a BS meter. I don't know why it was removed. I really liked it. Anyway it was showing around -20dB. On this thread we are aiming for -120dB.

Hi exa065,

I want to be as neutral as possible for both parties (I love you both )

When you say "It appears that you are looking for end to end TPA solution and nothing else works for you."

I have to be in disagreement with you on that one though... I'm using a dual mono BII setup with a Tube I/V and many times needed help for the BII to interface with it and Russ was giving me some good pointers and helping out, which turned out to work good.

Like I have said you both have AMAZING products/solutions and we need you both. I'm sure there's enough place for two great minds!

Ciao!
Do

[rsdio]

Originally Posted by Russ White

I am genuinely interested in spawning a new conversation in a new thread about a similar topic only because I think its fun to design things from the ground up. I bet many people would get a lot more out of learning how it works, then simply buying something. I understand there are people for whom just buying something is the best option. That's quite fine, but then there are people like me for which that is simply not enough fun.

If you do start such a topic in a new thread, then please drop a brief note here. I'd like to read along.

Personally, I think that a USB Audio Class compliant device is a bit beyond the skills of the average DIY hacker, but maybe someday there will be someone to donate open source. But even though I have my doubts that it will ever happen, I'm always open to discussion.

[Trevor White]

Originally Posted by exa065

Hello everybody,
Thank you for the quiet support. I understand that it is hard for you to speak out because you need good relations with all parties involved in this discussion. The last 24 hours were the all-times best for exaDevices. We've never received so many orders within 24 hours.
exa065

Keep up the good work

regards
Trev

[Zero Cool]

Originally Posted by rsdio

Personally, I think that a USB Audio Class compliant device is a bit beyond the skills of the average DIY hacker, but maybe someday there will be someone to donate open source. But even though I have my doubts that it will ever happen, I'm always open to discussion.

I have to agree with this. from the USB to I2S boards i have seen.they are quite complex. If one was a kit that you simply soldered parts onto, that would be one thing. but building one from scratch is a pretty big ball of wax.

BUT!! I personally would like to BUY an affordable USB audio solution! I don't care who makes it as long as it is affordable and works!

[exa065]

The most frequently asked question on the exaU2I tech support page is: "How do I connect the exaU2I to a Buffalo II DAC?" It seems that the schematic that we have on our DIY guide at www.exadevices.com > exaU2I > D.I.Y. Guide is not very informative.

The more specific question is: "Where do I find DVCC on the Buffalo II board?"
Since I don't have a Buffalo II DAC, the best answer that I can come up with is from the Buffalo II User guide:

Optional Features

The following are not recommended nor supported, but as some of you will want to tinker I am making this information available. If you decide do this do not expect any support should your DAC fail. You are on your own. To use external supplies remove the ferrite bead located on the bottom side of the PCB for the supply you wish to make external.

VDD(1.2V) remove L6
VDD_XO(3.3V) remove L7
DVCC (3.3V) remove L8

Once you have removed the ferrite bead you can supply each voltage at the marked pin header. For
convenience I added a pad for VD at each header.


It appears that DVCC can be obtained from L8 - the side that is away from the regulator.

How do you connect exaU2I to BII?
Any feedback is appreciated.

[RayCtech]

Originally Posted by Russ White

I don't recall any other reason for deleting posts other than we did not want to advertise for work we did not necessarily endorse. I am sure any reasonable person can understand that.

Please read the moderator's note at the top of the forum.

Thanks!
Russ

As I clearly recall you may have serious memory issues,
and maybe it would not hurt if you re-read the moderator´s note yourself.

Anyhow I think that the best for all would be that you reside in your own domain (TPA vendor forum) and moderate and delete any posts you want there - and simply let other forum threads alone as you as an vendor simply should NOT interfere in issues where you have a clear business interest.

PS! If I had written this post in your domain where you can delete posts I am 100% sure this post would have been deleted ASAP - just like ALL the other of my posts you previously have deleted.

[soundcheck]

Just for the record

Forum Rules

Rule 11. Note 4.:

"The regular forums are non-commercial and should have no advertisements or overtly commercial threads or posts. These belong in the appropriate Commercial Sector forums. Commercial entities may have threads and post in the regular forums discussing theory and initial product design. If a project gets close to commercial availability, the topic must be continued in a Commercial Sector thread."

If a projects gets close to commercial availability... ... MUST be continued in a Commercial Sector thread

exadevices is ignoring that rule and forum ethics on a continuous basis. I mentioned that before. The situation is not new.

There's nothing to argue about or to discuss. The situation is crystal clear. The moderators are obviously sleeping.

BR

P.S: From what I recall Russ and most other serious vendors usually stick to those rules.

[rsdio]

Seems like nothing would be lost if exa065 were to start a new thread in the commercial forum with a title referencing the exaU2I. I have no idea what it takes to start a commercial thread - are there requirements of some sort stopping anyone from doing this?

If there are no barriers, then the discussion of the exaU2I should continue there. Considering the cobwebs growing on this thread and the number of times it has been sidetracked, I actually think that a new thread would be preferred. Any stragglers who continue to follow this thread could be guided to the new thread via posted links. Not only that, but placement on the commercial forum could actually boost exaU2I sales again.

Everyone's happy!

[soundcheck]

Originally Posted by rsdio

Seems like nothing would be lost if exa065 were to start a new thread in the commercial forum with a title referencing the exaU2I. I have no idea what it takes to start a commercial thread - are there requirements of some sort stopping anyone from doing this?

If there are no barriers, then the discussion of the exaU2I should continue there. Considering the cobwebs growing on this thread and the number of times it has been sidetracked, I actually think that a new thread would be preferred. Any stragglers who continue to follow this thread could be guided to the new thread via posted links. Not only that, but placement on the commercial forum could actually boost exaU2I sales again.

Everyone's happy!

Open a new thread... !?!?

...this one gotta be moved over there to make us all happy.

Exa - according to the rules - was forced to do it weeks/months ago when the discussion popped up the first time.
They just keep ignoring it as long as the heat is low. Those guys exactly know what they are doing.

And what about those vendors who STILL follow the rules. I'd have a serious problem with this forum if suddenly all vendors would start to act like this company.

BR