Nice to see this being done, I've wanted to get a decent car pc in my car for some time. Theres a few double din android solutions out there i've came across which are tempting but the nexus 7 processing power would certainly be a bonus. Some luxuries however like bluetooth control of my actual phone I don't think can be easily achieved?
The models i've been looking at are Erisin ES7135A, Xtrons TD718A - If I had a newer Golf rather than a MK4 i'd of been interested in Erisin ES7036A or Xtrons TD605A as I have canbus display for my radio on my instrument panel. What do you guys think of them as a solution?
I'm not sure about it being more expensive... lol. Those double din units are available from £220 but the processor really lets it down. Now I must checkout this tablet talk app... edit: checked it out and it appears its just for sms control? ... ahh it does say something about voice if you have a bluetooth headset... interesting.
Here's the way I use it in my setup:
1- Phone is paired with JVC head unit using bluetooth (BT profile for voice).
2- Phone is paired with Nexus 7 using TabletTalk/bluetooth.
All the pairing is done automatically when I enter my car.
When my phone rings:
1- Headunit automatically detects a phone call, switches from aux audio (tablet) to BT audio (phone).
2- TabTalk kicks in and displays a popup window on tablet showing caller ID, picture, and a button to answer or ignore call.
3- Tap the answer button and call goes through.
I'm curious on the sound quality of this especially since there isn't a true line out. The sound is being amplified from the nexus 7 and being double amplified by your amplifier. I'm sure it works, but as far as sound quality, there are much better options out there.
Actually you'll probably get better sound quality with a less than $100 head unit. It wouldn't look as nice but it would probably sound better.
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