Fiberoptic
MP3Car BBQ, Washington, DC, This weekend
by , 08-15-2008 at 09:46 AM (920 Views)
Weather is forecasted to be 85 degrees and sunny for tomorrow's Washington, DC MP3car BBQ. Post in the forums and tell us you are comming by 10am, MP3car will bring some food for you. Also let us know what your shirt size is and we will try to bring enought mp3car shirts for everyone (free). For full event details, see W3bMa5t3r's post (Forum Link)
Scott and I (Rob) are both comming. We will be bringing the recently blogged about Guru Car computer and some other interesting things.
[IMG]file:///C:/DOCUME%7E1/sean/LOCALS%7E1/Temp/moz-screenshot.png[/IMG]
Updated 09-17-2009 at 02:54 PM by ecog
Tags:
bbq,
car computers,
dc meetup,
guru,
meetup,
mp3car,
vehicle computers
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We are supporting Special Edition, Inc on a car computer engineering project. The goal is to get a car computer in a 1955 Porcshe 550 Spyder replica that they build out a “piece of bare ground” Here is a quick shot of the what the dashboard will look like without the monitor.
Over the next couple of weeks expect several blog posts explaining the details of the car computer's integrated features.
I am going to kick this off with some interesting information we obtained about hacking the Andrea's super beam microphone. To maintain aesthetics we wanted to expose only the microphone portion of the superbeam and just place the mic pickups right in the dash. This would effectively leave just two black “dots” on each side of the speedometer.
Here is the information we obtained from Andrea’s acoustical engineers:
3.5" spacing = approximately 30 degree beam or cone shaped pickup.
6" spacing = approximately 20 degree beam or cone shaped pickup.
8" = approximately 10 degree beam or cone shaped pickup.
Here are some photos of the unit when we hacked it open. Microphone extension wires can just be soldered in place to the appropriate length based on your installation.
We were also cautioned by Andrea to make sure to expose in the passenger cabin the rear slots of the microphone as well as the front slots of the microphone. Unfortunately this will make the mic stick out about a ¼ inch, but at least we can hide all the other electronics.
This microphone hack has coupled with a new external USB echo canceling sound card that is amazing for Bluetooth calls which will be the subject of a future blog entry. Talk about this here on our forums blog talk section. Check out the breif work log here.
Over the next couple of weeks expect several blog posts explaining the details of the car computer's integrated features.
I am going to kick this off with some interesting information we obtained about hacking the Andrea's super beam microphone. To maintain aesthetics we wanted to expose only the microphone portion of the superbeam and just place the mic pickups right in the dash. This would effectively leave just two black “dots” on each side of the speedometer.
Here is the information we obtained from Andrea’s acoustical engineers:
3.5" spacing = approximately 30 degree beam or cone shaped pickup.
6" spacing = approximately 20 degree beam or cone shaped pickup.
8" = approximately 10 degree beam or cone shaped pickup.
Here are some photos of the unit when we hacked it open. Microphone extension wires can just be soldered in place to the appropriate length based on your installation.
We were also cautioned by Andrea to make sure to expose in the passenger cabin the rear slots of the microphone as well as the front slots of the microphone. Unfortunately this will make the mic stick out about a ¼ inch, but at least we can hide all the other electronics. This microphone hack has coupled with a new external USB echo canceling sound card that is amazing for Bluetooth calls which will be the subject of a future blog entry. Talk about this here on our forums blog talk section. Check out the breif work log here.
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