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direavenger

I Donated
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Posts posted by direavenger

  1. Yesterday around 5:00: I followed an OBP LGT onto 78W at the rt. 611 onramp. You had debadged the 'GT' and replaced it with an 'STi' sticker. There was also a large-diameter aftermarket exhaust. You got off at the Rt. 33N exit a few miles later. I have you a honk and a wave before you got off, but you looked more startled than anything else :lol:
  2. looks like more of a pattern now doesn't it? :) I will have to double check 8 to 9 just to make sure that's a unique signal and not "operator error."

     

    Ahhh, much better :icon_bigg. It makes the repetition within the lines of code much more obvious. I have no more insight at the moment, but keep us posted with any further data.

  3. Obvious, but I'll point it out anyway:

     

    Track 1-2 = Track 9-10

    Track 2-3 = Track 6-7

    Track 7-8 = Track 11-12

     

    I can't imagine why, with so many bits at their dosposal, they wouldn't have unique codes for each track (or just one simple code for "track up").

     

    I also noticed something else. I want to label these in ascending order, for ease of identification:

     

    1: 1011-0001-1011-0001-1011-0001-1

    2: 1011-0001-1011-0001-1011-0001-1011-0001-1

    3: 1011-1001-0011-1001-0011-1001

    4: 1011-1001-0011-1001-0011-1001-0011-1001

    5: 1110-0010-1110-0010-1110-0010-1

    6: 1110-0010-1110-0010-1110-0010-1110-0010-1

    7: 1111-0011-1111-0011-1111-0011-1

    8: 1111-0011-1111-0011-1111-0011-1111-0011-1

    9: 1111-1001-1111-1001-1111-1001

     

    Using this numbering system, line 2 is equal line 1 plus eight bits, line 4 is equal to line 3 plus 8 bits, and so on. It looks like each short, odd-numbered line (with the exception of line 9) has a lengthened, even numbered verson of itself. Also notice that these series of 8 bits repeat themselves within each line of code (with the exception of lines 3 and 4). Hope this helps!

     

    EDIT: jazzy, you have mis-colored the second line in the "track 8 to 9" code. It should have a color other than pink, as there is a different line of code with the same color

  4. Any EE's have any idea what 5 & 7 could be?

     

    Jazzy, if you can find out of this asynchronous or synchronous serial data, then you'll know if there is clock data being transmitted separately or not (possibly ruling out pin 7 as a clock signal). I don't know much about the unit, but I'll poke around the internet and see what I can find as well, as this project is of particular interest to me.

  5. ok i fixed mine.... i just moved the position of the filter away from any audio wires.... i can turn the radio to 40 (with silent cd) with the engine on and there is no noise at all....

     

    Did your signal get any louder? I put mine in backwards like you, but I'm trying to figure out of its worth ripping apart my car again. My XM setup is reallllly quiet, and its been bugging me for awhile. :)

  6. Yup, you put it in backwards...like you said, it works though so it's fine. The PAC GLI doesn't have even windings though (not 1:1), so it really is directional...

     

    Crap, I did the same thing. I didn't even look at the markings, I just saw that it was easier to connect it up the other way. Oh well, time to tear open my car again...:lol:

  7. So.. the GLI - does one really need this for a handhleld music device that is not powered off of the car? My understanding is that the GLI takes out any hum or noise caused by the audio device being grounded at a different point in the car, but how does it affect mp3 players and the such?

     

    Same principle. The ground from the battery in your mp3 player is different from the one from the battery in your car. Connect them up and you get that nice 60Hz(?) hum. Most people with hardwired stuff (XM, Sirius) hear alternator noise, not a ground loop. For me, this noise is also resolved by the GLI from Crutchfield.

  8. I am also confused a little bit on the need for a ground loop isolator. In all cases is it best to have one of these? If not, what circumstances?

     

    You will never know until you do the install. You had might as well just buy one, as it is a cheap insurance policy against noise. I didn't use one and had to rip apart my interior again once I found out that I needed it. :(

  9. I wanted to know if anybody else is having a volume problem after installing an XM receiver with Jazzy's aux-in mod. I am using an Audiovox Xpress and

    when I plug the 3.5mm jack into the the output of the Xpress, the volume of an audio CD would decrease noticeably, definately more than 25%. While I won't be playing audio CD's while listening to XM, so long as the Xpress is connected to the aux-in mod, I'm going to have to crank the volume up.

     

     

    Several things worth noting:

    1. I haven't bought a GLI to correct for noise in my system yet(and yes, there is plenty). This wouldn't have anything to do with my problem, would it?

    2. This problem was not evident when I used my iPod (audio taken from dock connector, not headphone jack).

     

    Jazzy, I apologize for PMing you about this issue also, but I thought I'd ask everyone while I was at it.

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