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Hi. After reading the B-III guide, and the other available info, I get more and more confused. As I understand, B-III SE can take SPDIF directly. (SPDIF is typical output from CD-player http://www.hardwarebook.info/S/PDIF ) OR TTL -say; from Toslink-module. Question 1: Can both be connected? (without otto/...) Does the IP_S (Input switch) have any function? (edit: seems that both can be connected, without additional module, ref. page 37, BUT; do I use a simple on/off switch?) Question 2: OTTO-II: What is what, and what can 1B2 do that 2B2 can't, what is in/what goes out, and where?...gibberish... It is mentioned that it is a "mux" somewhere, but 4-in & 4 out does not make a mux in my (limited) undestanding... (edit: I have managed to understand it ...halfway, I think) Leon has done a great job, but some of the information is too advanced. I.e. mentioning all the things you can do with a microprocessor...is not at all helpful. Those who know programming KNOWS the possibilities. Even they might find it helpful knowing the SIMPLEST ways of making different modules work. B-III & B-III SE are really so different that they should have separate manuals...to avoid some confision... Arne K Edited by user Wednesday, February 13, 2013 9:16:42 PM(UTC)
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Originally Posted by: Cobra2  Hi. After reading the B-III guide, and the other available info, I get more and more confused. As I understand, B-III SE can take SPDIF directly. (SPDIF is typical output from CD-player http://www.hardwarebook.info/S/PDIF ) OR TTL -say; from Toslink-module. Question 1: Can both be connected? (without otto/...) Does the IP_S (Input switch) have any function? (edit: seems that both can be connected, without additional module, ref. page 37, BUT; do I use a simple on/off switch?) Question 2: OTTO-II: What is what, and what can 1B2 do that 2B2 can't, what is in/what goes out, and where?...gibberish... It is mentioned that it is a "mux" somewhere, but 4-in & 4 out does not make a mux in my (limited) undestanding... (edit: I have managed to understand it ...halfway, I think) Leon has done a great job, but some of the information is too advanced. I.e. mentioning all the things you can do with a microprocessor...is not at all helpful. Those who know programming KNOWS the possibilities. Even they might find it helpful knowing the SIMPLEST ways of making different modules work. B-III & B-III SE are really so different that they should have separate manuals...to avoid some confision... Arne K Can't say it simpler than it's already stated: "Both types of signals can be connected at the same time. It’s much like having a Buffalo III board, with built-in Sidecar and Single S/PDIF Level Converter. The active input signal can be selected by connecting a switch to the switch pad (IP_S, 3) or by an external controller" So the answers are: yes yes yes About OTTO: it is a switch. Can't make anything more of it, sorry. There is no text "Mux" in the OTTO chapter anywhere, so I fail to see what that has to do with it. Mentioning what can be controlled by a microcontroller is required for those wishing to use an Arduino or AC2 (if that ever gets released). Not everyone is very good at embedded work, most need at least some guidance about what can be controlled directly with an output pin. About the text: more than 50% of the guide is common between BIII and BIIISE. It's simply too much work to maintain 2 separate manuals. For now fully separated sections with hyperlinks in place to skip parts you don't need to read is all you are going to get.
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Thanks, been discussing with other builder(s), and got the answers.
Leon, your document is great, when used on pc, so you can use links & text-search. Not so great as a print-out...
Still; for the "average" dac-builder, the documentation is overwhelming and confusing.
By "average", I mean those who want a DAC, in a similar fashion as you buy a box in the store.
That again mean; for most people; A 2ch DAC w/spdif/toslink (& usb for some)input.
K.I.S.S. -would sell more & have less support/problems
Arne K
AND, may I remind Mr. BD&RW what there used to be written somwhere: the community paper does not substitute the(ir) manual...
;-)
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Originally Posted by: Cobra2 Thanks, been discussing with other builder(s), and got the answers.
Leon, your document is great, when used on pc, so you can use links & text-search. Not so great as a print-out...
Still; for the "average" dac-builder, the documentation is overwhelming and confusing.
By "average", I mean those who want a DAC, in a similar fashion as you buy a box in the store.
That again mean; for most people; A 2ch DAC w/spdif/toslink (& usb for some)input.
K.I.S.S. -would sell more & have less support/problems
Arne K
AND, may I remind Mr. BD&RW what there used to be written somwhere: the community paper does not substitute the(ir) manual...
;-) Well, I don't want to turn this into one of those threads, but I have to say that I'd consider myself an "average" DAC builder and I found Leon's guide to be easy to follow and concise. The reality is that the Sabre32 chip is just really flexible and the TPA modules are pretty ingenious in their ability to do so many things. A quick look through the gallery reveals that almost no two Buffalo's are alike. A few things are complicated, sure, but that is what forums are for, and I got plenty of help here. Also, Leon doesn't work for TPA, he went out of his way to create a pretty amazing user guide and Russ and Brian have real jobs to deal with, so its silly to expect OEM type support from them. Most projects like this have a 500 page thread on Diyaudio for a "manual". Anyway, if you want a simple solder-by-numbers DAC there are many available. Anyway, I'm not looking for an argument, I just feel that Leon and Russ & Brian have done a lot of hard work that isn't making them rich, so that people like us can enjoy DAC's of a quality way beyond their budget (or design skills), so my hat is off to them and I hope they keep it up.
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