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morpheus

9 Posts
Posted - 10 Oct 2003 :  17:12:22  Show Profile  Email Poster
Quick one, although I can't seem to find an answer...

Does the audio hardware in the BitsyX support full or half duplex?

Thanks!

Scott LaCroix
Dataline

dtran

7 Posts
Posted - 14 Oct 2003 :  11:31:41  Show Profile  Email Poster
Do you mean the type of audio HW BitsyX support?
- Like Number of Channels (Stereo or Mono)
- or Type of Output (Bridge Tied Load or Single-Ended).
Please check out our BitsyX User's Manual on Audio Section 4.4.
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akidder

1519 Posts
Posted - 15 Oct 2003 :  19:12:06  Show Profile  Email Poster
Hi Scott:

The BitsyX CS4202 codec does support full duplex audio (i.e recording and playing simultaneously). I know that the Linux drivers support this feature, and that we have done it for other CE products, but I don't know for certain if the BitsyX CE builds currently support it. I'm looking into it.

Can you drop us a line at support.us@eurotech.com with details about what you need? We'll want to make sure the drivers meet your requirements!

Thanks,
Drew
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akidder

1519 Posts
Posted - 11 Nov 2003 :  16:32:09  Show Profile  Email Poster
Update: While we've implemented full-duplex audio in our StrongARM CE builds, we have not yet done so for our XScale CE builds.
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tbronez

17 Posts
Posted - 08 Oct 2004 :  15:36:59  Show Profile  Email Poster
What are your plans regarding an update to the XScale CE driver so as to support full-duplex audio? Such a driver would eliminate extra hardware we are about to assemble for an audio switching application.
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JParis

1 Posts
Posted - 17 Mar 2005 :  03:37:24  Show Profile  Email Poster
As we are some months ago from the previous respons (from akidder), is the full-duplex audio (mic input and line output at the same time)now implemented into the XScale CE? driver?
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akidder

1519 Posts
Posted - 17 Mar 2005 :  12:48:37  Show Profile  Email Poster
Yes, it is. Full duplex audio has been working on the BitsyX (and other products with the CS4202 codec) at least since the end of 2003, and possibly earlier.

Take a look at the sample app posted at topic 1856 for a demonstration of full duplex audio at work.
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