Reply
 
LinkBack Thread Tools Display Modes
Old 01-04-2013   #126
DIYMA 500 Club
 
n_olympios's Avatar
 
DIYMA Enthusiast
Join Date: Oct 2008
Location: Athens Hellas
Posts: 1,298

Rep Power: 91 n_olympios will become famous soon enoughn_olympios will become famous soon enoughn_olympios will become famous soon enoughn_olympios will become famous soon enoughn_olympios will become famous soon enoughn_olympios will become famous soon enoughn_olympios will become famous soon enough


iTrader: (1)



Default Re: 2011 MINI Cooper CarPC Build

Quote:
Originally Posted by Neil_J View Post
I'm just glad someone's still paying attention here.
Are you kidding? I'm taking notes for my next install. Not that I'll be able to replicate even half of what you've achieved here, but still I'm stealing ideas.

Nick
oısɹǝʌǝɹ :ɐʇɐqoɹd snʇɹıʌ
Now stripped out
n_olympios is offline   Reply With Quote
Old 01-04-2013   #127
DIYMA 500 Club
 
quietfly's Avatar
 
DIYMA Enthusiast
Join Date: Mar 2011
Location: Mahwah NJ
Posts: 1,295

Rep Power: 60 quietfly will become famous soon enoughquietfly will become famous soon enoughquietfly will become famous soon enoughquietfly will become famous soon enoughquietfly will become famous soon enoughquietfly will become famous soon enough


iTrader: (4)



Default Re: 2011 MINI Cooper CarPC Build

As always Neil you continue to wow us all. i can't wait for your big update!
quietfly is offline   Reply With Quote
Old 01-04-2013   #128
DIYMA 500 Club
 
quietfly's Avatar
 
DIYMA Enthusiast
Join Date: Mar 2011
Location: Mahwah NJ
Posts: 1,295

Rep Power: 60 quietfly will become famous soon enoughquietfly will become famous soon enoughquietfly will become famous soon enoughquietfly will become famous soon enoughquietfly will become famous soon enoughquietfly will become famous soon enough


iTrader: (4)



Default Re: 2011 MINI Cooper CarPC Build

Quote:
Originally Posted by Andy Wehmeyer View Post
OK. Neil wins. My hat's off. This is ALL of the Car PC stuff I wished I could have done when I put mine in. Too cool for school.
Neil's is pretty awesome, but your's is not to shabby either....
quietfly is offline   Reply With Quote
Old 01-04-2013   #129
DIYMA 500 Club
 
IBcivic's Avatar
 
Back Yard Installer
Join Date: Jan 2009
Location: At Home...EH?
Age: 48
Posts: 4,321

Rep Power: 124 IBcivic is just really niceIBcivic is just really niceIBcivic is just really niceIBcivic is just really niceIBcivic is just really niceIBcivic is just really niceIBcivic is just really niceIBcivic is just really niceIBcivic is just really niceIBcivic is just really niceIBcivic is just really nice


iTrader: (55)



Default Re: 2011 MINI Cooper CarPC Build

Quote:
Originally Posted by Neil_J View Post
I'm just glad someone's still paying attention here.
Most lurkers are probably speechless, like me..
Attached Images
File Type: jpg download.jpg (10.0 KB, 37 views)

IBcivic is offline   Reply With Quote
Old 01-04-2013   #130
DIYMA 500 Club
 
DIYMA Enthusiast
Join Date: Aug 2005
Location: Los Angeles
Posts: 1,287

Rep Power: 128 bbfoto will become famous soon enoughbbfoto will become famous soon enoughbbfoto will become famous soon enoughbbfoto will become famous soon enoughbbfoto will become famous soon enoughbbfoto will become famous soon enough


iTrader: (16)



Default Re: 2011 MINI Cooper CarPC Build

Chomping at the bit to see what's next! Infkncredible!
bbfoto is offline   Reply With Quote
Old 01-04-2013   #131
DIYMA 500 Club
 
Neil_J's Avatar
 
DIYMA Enthusiast
Join Date: Mar 2011
Location: FL
Age: 32
Posts: 1,534

Rep Power: 69 Neil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the rough


iTrader: (4)



Default Re: 2011 MINI Cooper CarPC Build

OK, below is the mini-build log for my custom DAC project. Here's the link to the post where I described all the important design details:
2011 MINI Cooper CarPC Build
Please read that post before asking any "why did you do it this way?" sort of questions, the answer is probably already there

Here's a really quick summary for the lazy:
  • This is a custom-designed 10-channel DAC to interface my Mac Mini CarPC, to date I've not seen anything remotely like it. I designed the circuit (with a bit of borrowing from existing designs out there), sourced the component parts, did the printed circuit board layout, and then built the board assemblies.
  • This is a no-compromise SQ design. I wasn't content with just using off-the-shelf equipment from a Sweetwater Music catalog. I'm looking for very high SNR numbers to my amplifiers, to get a great dynamic range (my amps will likely be modded too). I will be attempting to compete with this system in March at the IASCA spring break nationals (and the MECA event there as well). Hopefully I can get my acoustic issues fixed by then.
  • I'm using the MiniDSP USBStreamer (image below) as my USB-to-I2S bridge (I2S being the most common electrical protocol that audio DAC chips use). This component is responsible for virtually all of the jitter (or lack of it), since it's providing all of the clocking signals to the DAC.
  • Rather than use an expensive and complicated 8+ channel DAC chip, I decided to use individual low-cost stereo DAC chips and go with a "stacking" design. The clock signals are "fanned out" to the individual boards (with care taken to route the traces properly and prevent signal reflection. This design allowed me to do a lot of pcb layout tricks where I could keep all of the clock and analog signals guarded with a ground trace (which prevents signal crosstalk), and keep an uninterrupted ground plane (which prevents a lot of nasty EMI and other bad stuff from happening).
  • Total cost of the DAC project so far is $89 in component parts, $2.50 each for the custom circuit boards, and $145 for the MiniDSP USBStreamer. That's less than a lot of the shitty pro-audio equipment, and I'll hopefully have better specs....

Here's a picture of the MiniDSP USBStreamer, 10-channel USB-to-I2S converter. The yellowish stuff on the USB connector is a piece of insulating Kapton tape.



Here's the original block diagram that I proposed back on October 31:


Here's the schematic of the DAC PCB. I decided on the ESS9023P DAC chip because of the low-parts count, i.e. the KISS approach. Keep in mind that there will be five of these boards stacked on top of each other (for a total of 10 channels) to complete the final design.
  • J1 is the connector to the MiniDSP USBStreamer. Each board can be configured to route either of the four I2S streams to the chip, via R5-R8.
  • J2 is the Power header and mute circuit.
  • J4 is the right RCA output.
  • J5 is the left RCA output.
  • IC1 is the DAC chip, the ESS ES9023P. It's specs are pretty good, but chip specs aren't as important as getting the board layout and component part selection right.
  • IC2 is a 3.6V low-dropout ultra-low-noise voltage regulator. I love Linear Technology parts, but they think their shit doesn't stink and therefore have very high prices; I opted to use the Micrel MIC5205-3.6YM5 instead (as have a few other hobby DAC designs).
  • SHIELD1 is an EMI shield (i.e. a faraday cage).
  • FB1 is a ferrite bead, which is used as an input EMI filter to the Power supply.
  • You guys know what resistors and capacitors do hopefully, no need to explain those


Beginning of the Build phase:


Powering up for the first time. Checked the voltage regulator output voltage, and a few other test points.


A close-up shot of the first board while powered up and playing a 1 kHz sine wave. Disregard the flux and Wire leads sticking out, those will be gone after the testing phase.


Here's the 1 kHz sine wave coming out of the DAC, and the 5V lab supply:


Next step was to install the EMI fence. As mentioned earlier, this is a faraday cage to keep out the nasty electromagnetic radiation that plagues my BMW-designed Car


Now with the EMI fence's "lid" installed.


The bottom of the PCB is a solid ground plane. I've never really seen a DAC that managed to have this before. RF guys use this technique religously, but consumer electronics do not (ever). A solid ground plane does many things for a pcb layout: It acts as a faraday cage for stray EMI (in both directions, i.e. radiated and susceptibility). It provides a quick "return path" for high-speed RF signals (keep in mind that my I2S clock lines are ~24 MHz with VERY high rise times. Any upset here will cause EMI and worse yet, jitter problems. Lastly, the solid ground plane provides a very beefy ground system with extremely low resistance, so that every point on the pcb seems the same ground potential (same reason you guys use beefy ground wires on your amps ). The holes on the board are "vias", they're plated copper and pass the ground plane to the front side of the board (but you guys already knew that, right?? )


One more shot of the first guinea pig board.



I'm still waiting on one connector to get here, and will need to order some standoffs to attach the boards together. I'll post back later with more pictures and hopefully a listening test.

2011 MINI Cooper S :: [build log]
HAT L6SE, L3SE, L1 Pro R2. 4x Alpine SWR-843D, JL XD700/5, XD500/3, Alpine H800, RUXC800, CDA-117
Neil_J is offline   Reply With Quote
Old 01-04-2013   #132
DIYMA 500 Club
 
quietfly's Avatar
 
DIYMA Enthusiast
Join Date: Mar 2011
Location: Mahwah NJ
Posts: 1,295

Rep Power: 60 quietfly will become famous soon enoughquietfly will become famous soon enoughquietfly will become famous soon enoughquietfly will become famous soon enoughquietfly will become famous soon enoughquietfly will become famous soon enough


iTrader: (4)



Default Re: 2011 MINI Cooper CarPC Build

this is totall aweSOME!!!
quietfly is offline   Reply With Quote
Old 01-04-2013   #133
Moderator
 
imjustjason's Avatar
 
Importer Exporter
Join Date: Jun 2008
Location: Music City
Posts: 2,121

Rep Power: 156 imjustjason has a reputation beyond reputeimjustjason has a reputation beyond reputeimjustjason has a reputation beyond reputeimjustjason has a reputation beyond reputeimjustjason has a reputation beyond reputeimjustjason has a reputation beyond reputeimjustjason has a reputation beyond reputeimjustjason has a reputation beyond reputeimjustjason has a reputation beyond reputeimjustjason has a reputation beyond reputeimjustjason has a reputation beyond repute


iTrader: (56)



Default Re: 2011 MINI Cooper CarPC Build

I think it's safe to say that this is next level stuff.
imjustjason is offline   Reply With Quote
Old 01-04-2013   #134
Moderator
 
Diyma Ninja
Join Date: May 2007
Location: Nowhere, overthere
Posts: 9,298

Rep Power: 198 thehatedguy is a name known to allthehatedguy is a name known to allthehatedguy is a name known to allthehatedguy is a name known to allthehatedguy is a name known to allthehatedguy is a name known to allthehatedguy is a name known to allthehatedguy is a name known to allthehatedguy is a name known to allthehatedguy is a name known to allthehatedguy is a name known to all


iTrader: (15)



Default Re: 2011 MINI Cooper CarPC Build

IT's the level past the next level.
thehatedguy is offline   Reply With Quote
Old 01-04-2013   #135
DIYMA 500 Club
 
quietfly's Avatar
 
DIYMA Enthusiast
Join Date: Mar 2011
Location: Mahwah NJ
Posts: 1,295

Rep Power: 60 quietfly will become famous soon enoughquietfly will become famous soon enoughquietfly will become famous soon enoughquietfly will become famous soon enoughquietfly will become famous soon enoughquietfly will become famous soon enough


iTrader: (4)



Default Re: 2011 MINI Cooper CarPC Build

its awesome to see the love put into system design like this. you can tell he truly loves what he's doing...

i think that makes all the difference in the world.
quietfly is offline   Reply With Quote
Old 01-04-2013   #136
DIYMA 500 Club
 
t3sn4f2's Avatar
 
DIYMA Addict
Join Date: Jan 2007
Location: Miami, FL
Age: 39
Posts: 7,914

Rep Power: 187 t3sn4f2 is a glorious beacon of lightt3sn4f2 is a glorious beacon of lightt3sn4f2 is a glorious beacon of lightt3sn4f2 is a glorious beacon of lightt3sn4f2 is a glorious beacon of lightt3sn4f2 is a glorious beacon of lightt3sn4f2 is a glorious beacon of lightt3sn4f2 is a glorious beacon of lightt3sn4f2 is a glorious beacon of lightt3sn4f2 is a glorious beacon of lightt3sn4f2 is a glorious beacon of light


iTrader: (0)



Default Re: 2011 MINI Cooper CarPC Build

This is mediocre at best. Everyone knows a product that doesn't use a shiny copper Faraday cage can not be highend.

t3sn4f2 is online now   Reply With Quote
Old 01-04-2013   #137
Upgrade Your Membership!
 
... Squirrel!!!...
Join Date: Feb 2007
Location: North Alabama
Age: 32
Posts: 16,026

Rep Power: 459 ErinH has a reputation beyond reputeErinH has a reputation beyond reputeErinH has a reputation beyond reputeErinH has a reputation beyond reputeErinH has a reputation beyond reputeErinH has a reputation beyond reputeErinH has a reputation beyond reputeErinH has a reputation beyond reputeErinH has a reputation beyond reputeErinH has a reputation beyond reputeErinH has a reputation beyond repute

Send a message via AIM to ErinH

iTrader: (74)



Default Re: 2011 MINI Cooper CarPC Build

sometime, someday, you'll have to explain to me in person wtf all of this means.


Keep up the really groovy work, dude!

Follow my blog:
http://medleysmusings.com/

Time Delay Calculator:
http://tracerite.com/calc.html
ErinH is offline   Reply With Quote
Old 01-04-2013   #138
DIYMA 500 Club
Upgrade Your Membership!
 
DIYMA Loyalist
Join Date: Oct 2008
Location: Flushing, MI
Posts: 3,132

12V Company:
Car Tunes Stereo Center
Position:
Installation Manager

Rep Power: 110 JayinMI will become famous soon enoughJayinMI will become famous soon enoughJayinMI will become famous soon enoughJayinMI will become famous soon enoughJayinMI will become famous soon enoughJayinMI will become famous soon enoughJayinMI will become famous soon enough


iTrader: (6)



Default Re: 2011 MINI Cooper CarPC Build

Um, WOW? This should be amazing. Yet another reason I should spend some time in Florida. LOL

Jay

Quote:
Originally Posted by chithead View Post
It's a Dr. Jekyll/Mr. Hyde type thing. On rock music, and most other genres, the blend capabilities are phenomenal. No localization, all bass is upfront, and very solid. But then put on something with a little kick, and it's like walking by a Brontosaurus gangbang.
JayinMI is offline   Reply With Quote
Old 01-04-2013   #139
DIYMA 500 Club
Upgrade Your Membership!
 
DIYMA Loyalist
Join Date: Oct 2008
Location: Flushing, MI
Posts: 3,132

12V Company:
Car Tunes Stereo Center
Position:
Installation Manager

Rep Power: 110 JayinMI will become famous soon enoughJayinMI will become famous soon enoughJayinMI will become famous soon enoughJayinMI will become famous soon enoughJayinMI will become famous soon enoughJayinMI will become famous soon enoughJayinMI will become famous soon enough


iTrader: (6)



Default Re: 2011 MINI Cooper CarPC Build

Quote:
Originally Posted by n_olympios View Post
Are you kidding? I'm taking notes for my next install. Not that I'll be able to replicate even half of what you've achieved here, but still I'm stealing ideas.
Show this thread to guys at a shop (not mine) and ask what they would charge for something like that, and no matter what they say, ask "Why so much?" LOL

Jay

Quote:
Originally Posted by chithead View Post
It's a Dr. Jekyll/Mr. Hyde type thing. On rock music, and most other genres, the blend capabilities are phenomenal. No localization, all bass is upfront, and very solid. But then put on something with a little kick, and it's like walking by a Brontosaurus gangbang.
JayinMI is offline   Reply With Quote
Old 01-05-2013   #140
 
DIYMA freshman
Join Date: Dec 2011
Location: Russia
Posts: 67

Rep Power: 39 ansuser will become famous soon enoughansuser will become famous soon enoughansuser will become famous soon enoughansuser will become famous soon enoughansuser will become famous soon enoughansuser will become famous soon enough


iTrader: (0)



Default Re: 2011 MINI Cooper CarPC Build

OK. More to say, it is really cool!
I wished I have similar skills, it would save me $$$ for my upcoming home audio DRC project.

Couple of questions though:
1) You opted for USB transport for all the digital audio supply. Are you going to use USB isolator to stay away from PC noise?
2) Are you sure USB 2.0 bandwith is enough to supply 10 channels with 24 bit 96 kHz streams as you planned?

And I am really interested to know how your PC would detect these 5 DACs in the same order every time you Power up your system. Is it something that USB streamer is responsible for? What about ASIO support ???
ansuser is offline   Reply With Quote
Old 01-05-2013   #141
req
DIYMA 500 Club
Upgrade Your Membership!
 
req's Avatar
 
DIYMA Loyalist
Join Date: Aug 2007
Location: Virginia Beach, Virginia
Age: 29
Posts: 3,417

Rep Power: 134 req is a glorious beacon of lightreq is a glorious beacon of lightreq is a glorious beacon of lightreq is a glorious beacon of lightreq is a glorious beacon of lightreq is a glorious beacon of lightreq is a glorious beacon of lightreq is a glorious beacon of lightreq is a glorious beacon of lightreq is a glorious beacon of lightreq is a glorious beacon of light


iTrader: (8)



Default Re: 2011 MINI Cooper CarPC Build

tons of people are watching neil

your shit is off the chain.

req is offline   Reply With Quote
Old 01-08-2013   #142
DIYMA 500 Club
 
Neil_J's Avatar
 
DIYMA Enthusiast
Join Date: Mar 2011
Location: FL
Age: 32
Posts: 1,534

Rep Power: 69 Neil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the rough


iTrader: (4)



Default Re: 2011 MINI Cooper CarPC Build

I spent the last four days with the full-blown flu, so pardon my lack of major progress. I really wanted to work on this project instead of rest, but my extremely high fever was making it impossible to get out of bed, let alone concentrate. Here's what little bit I did get done today:

Component assembly of the remaining four boards:




Each module is conveniently labeled 1 through 5:


Here's the complete assembly, from the back. Notice the TOSLINK in and out connectors on the MiniDSP USBStreamer, and the connectors that pass the signals back and forth between the modules.


And finally, a shot from the front. Next step is to design and fabricate a nice metal enclosure for the whole thing to sit in.


Channel 1 thru 8 have been tested and are working. Channels 9 and 10 still require a TOSLINK-to-I2S bridge to squeeze the maximum 10 channels out of the MiniDSP USBStreamer. For this, I'm planning on hacking up the $25 FiiO D3, as described by the Hifiduino blog.

2011 MINI Cooper S :: [build log]
HAT L6SE, L3SE, L1 Pro R2. 4x Alpine SWR-843D, JL XD700/5, XD500/3, Alpine H800, RUXC800, CDA-117
Neil_J is offline   Reply With Quote
Old 01-08-2013   #143
 
DIYMA freshman
Join Date: Jul 2012
Location: Boston
Posts: 1

Rep Power: 0 SoundsGood2Me will become famous soon enoughSoundsGood2Me will become famous soon enoughSoundsGood2Me will become famous soon enoughSoundsGood2Me will become famous soon enoughSoundsGood2Me will become famous soon enoughSoundsGood2Me will become famous soon enough


iTrader: (0)



Default Re: 2011 MINI Cooper CarPC Build

Neil,
Sorry about the flu. Glad you seem to be recovering.

I am so impressed by your implementation and thank you for sharing it. It is so inspiring to see such well-crafted components created by an individual (with your micro-factories ).

Wish I could hear and see it in person, but I moved from Orlando long ago and now live near Boston. Please continue to describe it well. Good luck and thanks.

Simon
SoundsGood2Me is offline   Reply With Quote
Old 01-08-2013   #144
DIYMA 500 Club
 
MarkZ's Avatar
 
DIYMA Addict
Join Date: Dec 2005
Location: ..........................................
Posts: 6,853

Rep Power: 187 MarkZ is just really niceMarkZ is just really niceMarkZ is just really niceMarkZ is just really niceMarkZ is just really niceMarkZ is just really niceMarkZ is just really niceMarkZ is just really niceMarkZ is just really niceMarkZ is just really niceMarkZ is just really nice


iTrader: (4)



Default Re: 2011 MINI Cooper CarPC Build

Just wow.

Sorry I wasn't able to review your design. Obviously, it's going just fine.

Quote:
Originally Posted by subwoofery
What I wanted to say is that amps ... sound the same.
MarkZ is offline   Reply With Quote
Old 01-08-2013   #145
DIYMA 500 Club
 
Neil_J's Avatar
 
DIYMA Enthusiast
Join Date: Mar 2011
Location: FL
Age: 32
Posts: 1,534

Rep Power: 69 Neil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the rough


iTrader: (4)



Default Re: 2011 MINI Cooper CarPC Build

Quote:
Originally Posted by MarkZ View Post
Just wow.

Sorry I wasn't able to review your design. Obviously, it's going just fine.
There were a few really stupid mistakes that noone caught I noticed them only a few minutes before submitting the pcb order to Shenzhen. Also, I'm surprised noone caught the "2Vpp RMS" caption on the block diagram which makes no sense (if you did catch that one, give yourself a pat on the back)

I still can't wait to give it a listening test later on, but I'm going to have to get the enclosure finished and some software written on the PC side.


On a separate note, I have been playing with active matrix surround sound extraction with great success. I can basically do what the MS-8 does with Logic7 (although in a much more rudimentary way), which is split stereo music into front, center, left, rear left, rear right, and sub. More on that in a later post.

2011 MINI Cooper S :: [build log]
HAT L6SE, L3SE, L1 Pro R2. 4x Alpine SWR-843D, JL XD700/5, XD500/3, Alpine H800, RUXC800, CDA-117
Neil_J is offline   Reply With Quote
Old 01-08-2013   #146
DIYMA 500 Club
 
MarkZ's Avatar
 
DIYMA Addict
Join Date: Dec 2005
Location: ..........................................
Posts: 6,853

Rep Power: 187 MarkZ is just really niceMarkZ is just really niceMarkZ is just really niceMarkZ is just really niceMarkZ is just really niceMarkZ is just really niceMarkZ is just really niceMarkZ is just really niceMarkZ is just really niceMarkZ is just really niceMarkZ is just really nice


iTrader: (4)



Default Re: 2011 MINI Cooper CarPC Build

Quote:
Originally Posted by Neil_J View Post
On a separate note, I have been playing with active matrix surround sound extraction with great success. I can basically do what the MS-8 does with Logic7 (although in a much more rudimentary way), which is split stereo music into front, center, left, rear left, rear right, and sub. More on that in a later post.
Subscribed.

And it's not even a thread yet.

Quote:
Originally Posted by subwoofery
What I wanted to say is that amps ... sound the same.
MarkZ is offline   Reply With Quote
Old 01-08-2013   #147
DIYMA 500 Club
 
Neil_J's Avatar
 
DIYMA Enthusiast
Join Date: Mar 2011
Location: FL
Age: 32
Posts: 1,534

Rep Power: 69 Neil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the rough


iTrader: (4)



Default Re: 2011 MINI Cooper CarPC Build

Quote:
Originally Posted by MarkZ View Post
Subscribed.

And it's not even a thread yet.
Yea, that will be a separate thread There's just so much to it (just ask Andy W. or read some of his posts on the subject in the MS-8 thread). I've coded up several different algorithms so far: passive matrix (i.e. L-R and L+R), Dolby Pro Logic 1, and a few different approaches of Dolby Pro Logic II. Next will be to tackle Logic 7. But here's the thing... Logic7 is much more complicated, especially when the left and right channels are slightly less than correlated. This complication is by design, as Harmann/Lexicon believed that this would gain them a slight edge over Dolby Pro Logic. No idea how long it will take to wrap my head around it.

2011 MINI Cooper S :: [build log]
HAT L6SE, L3SE, L1 Pro R2. 4x Alpine SWR-843D, JL XD700/5, XD500/3, Alpine H800, RUXC800, CDA-117
Neil_J is offline   Reply With Quote
Old 01-08-2013   #148
DIYMA 500 Club
 
Notloudenuf's Avatar
 
NCSQ Founding Member
Join Date: Sep 2008
Location: NC (252)
Posts: 1,866

Rep Power: 104 Notloudenuf is just really niceNotloudenuf is just really niceNotloudenuf is just really niceNotloudenuf is just really niceNotloudenuf is just really niceNotloudenuf is just really niceNotloudenuf is just really niceNotloudenuf is just really niceNotloudenuf is just really niceNotloudenuf is just really niceNotloudenuf is just really nice


iTrader: (10)



Default Re: 2011 MINI Cooper CarPC Build

Quote:
Originally Posted by Neil_J View Post
I spent the last four days with the full-blown flu, so pardon my lack of major progress. I really wanted to work on this project instead of rest, but my extremely high fever was making it impossible to get out of bed, let alone concentrate.
Good thing you didn't give that new computer



A virus

They did WHAT to that monkey?!?! -Anonymous
Notloudenuf is offline   Reply With Quote
Old 01-09-2013   #149
DIYMA 500 Club
 
Neil_J's Avatar
 
DIYMA Enthusiast
Join Date: Mar 2011
Location: FL
Age: 32
Posts: 1,534

Rep Power: 69 Neil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the rough


iTrader: (4)



Default Re: 2011 MINI Cooper CarPC Build

Well played, sir

2011 MINI Cooper S :: [build log]
HAT L6SE, L3SE, L1 Pro R2. 4x Alpine SWR-843D, JL XD700/5, XD500/3, Alpine H800, RUXC800, CDA-117
Neil_J is offline   Reply With Quote
Old 01-17-2013   #150
DIYMA 500 Club
 
Neil_J's Avatar
 
DIYMA Enthusiast
Join Date: Mar 2011
Location: FL
Age: 32
Posts: 1,534

Rep Power: 69 Neil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the roughNeil_J is a jewel in the rough


iTrader: (4)



Default

Update 1/17/2013

Two more custom circuit boards have been designed and ordered (these are my last two, I swear )

The first is an ultra-low-noise Power supply board for the FrankenDAC. The second is the Arduino Brainstem that I described in a previous post (it ties together the knobs, buttons, switches, and other bits of the CarPC that need to be integrated in a clean way. I had prototyped this circuit out on a breadboard earlier and am now going through the steps to make a finalized rugged version. It has some new features that I added, I'll explain them when I get the boards back from China.

After this step, I'll finally be able to install everything in the car. I for one can't wait for all of these custom pieces to come together

2011 MINI Cooper S :: [build log]
HAT L6SE, L3SE, L1 Pro R2. 4x Alpine SWR-843D, JL XD700/5, XD500/3, Alpine H800, RUXC800, CDA-117
Neil_J is offline   Reply With Quote
Reply

Bookmarks


Currently Active Users Viewing This Thread: 4 (0 members and 4 guests)
 
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


» Amps
A/d/s/
Advent
Alphasonik
Alpine
American Bass
ARC Audio
Atomic
Audio Art
Audio Gods
Audiobahn
Audiocontrol
Audiopipe
Audison
Aura
Autotek
Avionixx
Bazooka
Beyma
Blaupunkt
Boss
Boston Acoustics
Bravox
Cadence
Cascade (CAE)
CDT Audio
Cerwin Vega
Clarion
Clif Designs
Concept
Coustic
Critical Mass
Crossfire
Crunch
DB Drive
DC Audio
DC Power
DEI
Denon
Diabolo
Diamond
Digital Designs
Directed
DLS
Dual
DYnamat
Dynaudio
Earthquake
Eclipse
Elemental Designs
ESX
Eton
Farenheit
Fi Car Audio
Focal
Fusion
Genesis
Ground Zero
Hafler
Helix
Hertz
Hifonics
Hushmat
Image Dynamics
Infinity
Interfire
JBL
Jensen
JL Audio
JVC
Kenwood
Kicker
Knu Konceptz
Kole Audio
Kove Audio
Lanzar
Lightning Audio
Linear Power
MA Audio
Magnat
Marantz
Massive Audio
MB Quart
McIntosh
Memphis
Metra
Milbert
MMATS
Mobile Authority
Morel
MTX
Nakamichi
Niche Audio
O2 Audio
Ohio Generator
Optima
Orion
Oxygen Audio
OZ Audio
PG Audio
Phase Linear
Phoenix Gold
Pioneer
Polk
Power Acoustik
Powerbass
Powermaster
Precision Power
Profile
Pyle
Pyramid
RadioShack
Rainbow
Rampage
RE AUdio
Rockford Fosgate
Scanspeak
Scosche
Seas
Sony
soundstream
Sparkomatic
SPL Dynamics
Stinger
Sundown Audio
Swiss Audio
Targa
TC Sounds
TREO Engineering
TRU
Tsunami
Ultimate
US Acoustics
US Amps
Velodyne
Vifa
Viper
Visonik
Xtant
Zapco
Zed Audio
Powered by vBadvanced CMPS v3.2.3

All times are GMT -6. The time now is 05:21 AM.


Powered by vBulletin®
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.0
Powered by vBadvanced CMPS v3.2.3

Ad Management by RedTyger

Meet Our Team | Forum | Privacy and Rules | Advertise | Archive | Search | Contact Us

Home | User CP | Members List | New Posts | ITrader | Faq | Post Spy