I looked over the code again last night and verified that play_and_detect_speech should try to stop detection before loading the grammar. However, that scenario is not really tested, so try the workaround first. If that doesn't work, open a jira ticket with detailed logs so it can be fixed. You can use the detect_speech APP to do everything over ESL. It is a lot more work, but once you figure it out, you have the freedom to do whatever you want, including handling barge-in. play_and_detect_speech is designed to handle the typical use case. Chris On Tue, Jul 31, 2012 at 3:59 AM, x.liu <x.liu@hw.ac.uk> wrote:
Hi Chris,
Okay, thanks! I will have tries to see how it works.
For the normal use of the app: play_and_detect_speech, will it resume previous ASR session, or will it stop previous session and restart a new session each time when I issue it via ESL?
For the app of detect_speech, I can first to start an ASR session by "detect_speech speechMod grammar grammarPath", then I can do "detect_speech pause", or "detect_speech resume" or "detect_speech stop". But for play_and_detect_speech, I am not sure how it works in terms of starting, pause, resume/restart sequence.
The play_and_detect_speech is a very good, useful app as it supports the barge-in. So we definitely need to use it.
Thanks!
On 07/31/2012 12:53 AM, Christopher Rienzo wrote:
You are using that APP in a way that hasn't been tested. Try to do "speech_detect pause" and see if that helps. It will reserve your ASR session for reuse while "speech_detect stop" will tear it down completely. If that doesn't work, open a jira ticket and attach a full call trace. It's difficult to understand exactly what is happening from your description.
Chris
On Mon, Jul 30, 2012 at 5:38 PM, Liu, Xingkun <X.Liu@hw.ac.uk> wrote:
Hello,
I am using play_and_detect_speech with Java ESL in my IVR applications.
Previously I call it again each time after I receive any recognition event, like recognition complete, no-input-timeout, or recognition-timeout, it seems to work fine.
Now I have changed my app to issue play_and_detect_speech command based on my available system utterances as well as the speech event.
I.e., I use a separate thread to constantly check if there is a system utterance coming in from another component of my application, if there is any utterance I issue the command which will speak the new utterance and listen to user input no matter whether or not previous command has finished. And if there is any speech event (recognition result, timeout etc.) the play_and_detect_speech command is also issued but with playing silence.
Obviously the new command will stop the utterance speaking of the previous command if it is not finished.
My question is
will the new play_and_detect_speech command also stop the previous ASR listening or will there be many ASR listening channel and sending speech data (or silence) to ASR server?
Do I need to explicitly issue a "stop" commnad before issuing a new play_and_detect_speech? If yes, how to do that, by "detect_speech stop"?
Recently there is a network traffice problem (lots of connections /data transportation to the ASR server machine) when I am running my application. I am not sure if this is because of other issues or because of my new changes to the way of using play_and_detect_speech.
Please any one could shed a light on this?
Many thanks!
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