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  #21  
Old 07-26-2020, 07:11 PM
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Quote:
Originally Posted by PalmSpringsE534.6 View Post
Purple,

I've never checked but does the actual radio module have a DSP connection on it? I've actually never looked but it might be worth a bit of research and a longer digital cable.


Thanks for the thoughts for sure

Spoke with Ted and he said my options are pretty limited and that any effort to retro the DSP would be pretty much futile... He confirmed that it isn’t as easy as repinning the harness and that I would in fact need the DSP amp, compatible head unit (which I could potentially avoid with coding) and the full DSP harness as the DSP amp interfaces and utilized the speakers differently than the standard hi-fi unit that I have...

Strangest thing to me because the car has every possible bell and whistle, but no NAV, DSP amp or CD Changer - scratch head.... - that said, we did discuss options to reduce/ (possibly) remedy some of the bugs I’m finding being non-DSP.

When I get the unit back from Wesley I am going to work with Ted to run some additional tests and see what shacks out

Will keep you guys posted for sure!!

(All that said, I will DEFINITELY dig in to the radio module and see what comes up, that would be an amazing discovery for sure.)


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  #22  
Old 07-27-2020, 09:43 PM
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Digital Audio Cable Location for BlueBus

Confirmed, sadly, the only “coaxial” connection on the hi-fi, non DSP amp is for the antenna.

The good news, Ted and I have touched base and have some ideas how to improve my situation as soon as I have my unit back from repair


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  #23  
Old 07-29-2020, 09:04 PM
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Quick update on this thread.

My unit is repaired and on its way back to me now, turns out that the FET had failed and that it may have been (some) of the cause of my "diminished" sound quality it turns out.

Been in communica with Ted and with the repair, a reset and the latest firmware the unit was retested in (it sounds like) Wesleys car and did in fact perform flawlessly I am told.

Looking forward to getting it back and getting it back in the car for some sound testing Will keep you posted as I know more.
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  #24  
Old 08-01-2020, 07:49 PM
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I am happy to report that I received my repaired unit back from Wesley and have plugged it back in to the car to actually be amazed at the sound quality difference! I have no idea why sound quality suffered before but I can say that post repair, the unit is amazing! I also had an issue prior where the audio would spike VERY loud when I received a call while listening to bluetooth - I have yet to retest and verify that issue but I am confident on input from Ted that it has very likely been resolved as well.


For anyone curious, I'll post a quick update when I can get some seat time and get that (officially) tested


I have to get my freakin self leveling suspension fixed first since it doesn't make too much sense to just sit in the garage and use my phone (Though I guess I still could test it - but I'm being lazy!)
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  #25  
Old 08-04-2020, 01:32 AM
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Quote:
Originally Posted by Purplefade View Post
I am happy to report that I received my repaired unit back from Wesley and have plugged it back in to the car to actually be amazed at the sound quality difference! I have no idea why sound quality suffered before but I can say that post repair, the unit is amazing! I also had an issue prior where the audio would spike VERY loud when I received a call while listening to bluetooth - I have yet to retest and verify that issue but I am confident on input from Ted that it has very likely been resolved as well.


For anyone curious, I'll post a quick update when I can get some seat time and get that (officially) tested


I have to get my freakin self leveling suspension fixed first since it doesn't make too much sense to just sit in the garage and use my phone (Though I guess I still could test it - but I'm being lazy!)
It's quite possible that your DAC volume settings were "off", which made for a poor analog audio experience. Since the MID UI is limited still (working on this...), you wouldn't have easily been able to tell. The failed FET would've created some "noise" if it were still sinking current to ground, but I bet it was a setting more than anything else.

The volume spike is actually another BlueBus setting. Intended operation is as follows:
1. A call comes in and you notice that it's not as loud as your music was (normal for any HFP call on MOST BT devices)
2. You turn up the volume using the MID
3. The BlueBus remembers how many steps you turned the volume up
4. The BlueBus continues to adjust this value as you turn the music up or down
5. Next time a call comes in, the BlueBus adjusts the volume to get you to the same level you previously had selected.

Now, if you were on a firmware before .11 before the warranty work, there WAS a bug that caused the BlueBus to increase your volume about 4x what it should've, so it's possible that was it.

With the factory reset that was performed, this offset will be at zero. It's definitely worth checking to make sure the bug doesn't still exist. This functionality seems to work reasonably well in my Nav-equipped E46 M3.

-Ted
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