Speex dev - Sep 2011 - Speex on NXP LPC1768 embedded microprocessor

I purchased a Code Red RDB1768v2r3 Rev B1 board.

I'm trying to use the NXP provided example for the Speex codec from
App Note:

NXP AN11085

http://ics.nxp.com/support/documents/microcontrollers/zip/an11085.zip

                Does this example application run reliably on the Code Red
RDB1768v2r3?  Is there a modified version of Speex available that is fully
functional?

                When speech is recorded it does not play back.

I believe the hardware is working on the RDB1768v2r3 since the
pre-built binaries from the Code Red Wiki for the "AudioMeter" example
work fine:

http://support.code-red-tech.com/CodeRedWiki/RDB1768cmsisExampleProjects?action=AttachFile&do=get&target=binaries4drag2flash.zip

                Has anyone on this forum worked with Speex on the
NXP LPC1768 processor?

                Regards

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