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Old 4th March 2013, 05:46 PM   #1
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Default analog 3.5mm to digital usb possible?

If I don't have this in the correct section folks, my aoplogies...


Looking to find out if anyone has done this or knows a device that will.


  • I have a GPS unit that has turn by turn directions through an 3.5mm analog output plug.
  • I have a Sony headunit that has a USB digital input on the front of it.
  • Is there anything out there that will allow the conversion of the analog to digital signals? I find a ton of stuff the other way around but not A-D
Any help would be appreciated.
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Old 5th March 2013, 03:21 AM   #2
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Read up on the TI's PCM2902 to find out what is involved and than install an audio-in jack in the head unit. E
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Old 5th March 2013, 03:43 AM   #3
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This will work, but you might need to adapt the analog level (and change out the XLR connector): Microphone to USB Lead : Audio Recording : Maplin Electronics

jan
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Last edited by jan.didden; 5th March 2013 at 03:46 AM.
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Old 5th March 2013, 04:02 AM   #4
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Try Googling this: USB Audio Controller--SJ588

I got one from DealExtreme for $1

may not be great quality but adequate for your application.
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Old 5th March 2013, 11:46 AM   #5
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Quote:
Originally Posted by Bibliophile View Post
Try Googling this: USB Audio Controller--SJ588

I got one from DealExtreme for $1

may not be great quality but adequate for your application.
I appreciate it but this goes the opposite direction. I'm trying to get analog to digital.
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Old 20th March 2013, 05:44 PM   #6
rsavas is offline rsavas  Canada
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I am using a PCM2902B USB Audio Codec in a portable design, it works great with WinXP. Another Burr-Brown masterpiece. Used the hi-performance regulator option exactly as shown in the app notes & eval brd. Only 16-bit however, but it is fine for what I need.
Rick
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