I have no idea.  Use silence_stream://  if you don't want anything to be played. Set the silence to be the same length as the speech timeout.  For example: silence_stream://5000
If you observe incorrect behavior while playing silence, then open a jira ticket so we can track it.


Chris



On Mon, Apr 23, 2012 at 9:20 AM, Mikael Nordman <oh2aun@gmail.com> wrote:

Hi,
I have a asr dialogue with two consecutive play_and_detect_speech calls.

The say: part is empty and the detect: part uses nuance grxml grammar.

In the second play_and_detect invocation freeswitch looses some of the userplane data,


thus causing the speech detection to fail.

From the userplane data forwarded by freeswitch to the Nuance NSS server,
about one second of speech is missing in the beginning of the phrase

If I add say: with some content, then all works fine.



What could cause this loss of userplane data ?

Cheers /Mike




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