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Whistle Noise when Opening Voice Session

Whistle Noise when Opening Voice Session

Whistle Noise when Opening Voice Session

Hey Folks,

I'm getting a strange, whistle-like noise (just for a second) before a voice segment is played via "Open Voice Session". That Problem only seems to occur when music was played before. Here's a part from the script:

[...call was already queued to a skillset at this Point...]

Open Voice Session 7600
play prompt Voice Segment Football_Hello
end Voice Session

Section WaitLoop

give Music 74
wait 40
Open Voice Session 7600
play prompt Voice Segment Football_Wait1
end Voice Session
wait 30
[...further Voice Sessions and Music...]

Like I said - First Voice Segment (Football_Hello) is always fine , Noise occurs at Football_Wait1 and every Voice Segment following. The Voice Segments are fine - listened to then via ApplicationBuilder.

What might be the reason for this and how could I fix it?

I'm new to this Forum. So I'm sorry for not following all the rules.

Thanks in advance, Felix

RE: Whistle Noise when Opening Voice Session

Not sure what the problem is but maybe you could try changing GIVE MUSIC to GIVE SILENCE and test. That might indicate a problem with the music source or trunk.
Is the music source on a MIRAN card? I've heard of trouble with noise on MIRAN cards though not a whistle.

RE: Whistle Noise when Opening Voice Session

Thank you Stanley!

Music source is an external Player in this case. We're using a MIRAN too, but same problem when I use music from there.

I've tested GIVE SILENCE in various constellations. Conclusions:
- Using only GIVE SILENCE (instead of GIVE MUSIC): No whistling!
- Using GIVE MUSIC and then GIVE SILENCE for 5 seconds before VOICE SESSION: Whistling is expanded for the duration of GIVE SILENCE (very annoying).

Another conclusion: There's a delay between the script-defined WAIT-Duration and the start of the VOICE SESSION (1 to 2 seconds).
- GIVE SILENCE for script-defined 30 seconds, I have to wait 32 seconds until the VOICE SEGMENT starts.
- GIVE MUSIC for script-defined 30 seconds, I hear 30 seconds of Music and then about 2 seconds whistling.

Is it possible that the server needs to much time to find the VOICE SEGMENT (due to a too high number auf SEGMENTS), and so bridges the time-gap with that whistling?

Thanks, Felix

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