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  1. #1
    Regular Contributor
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    Apr 2008
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    Delay when playing audio file with CMdaAudioPlayerUtility

    hi

    i want to play DTMF tone when a key is pressed.
    i load the file before plaing it.
    but when i start playing i get about 0.5 sec delay before it start to play.
    i head the mic playing background noise in that 0.5 sec.

    ??

  2. #2
    Nokia Developer Moderator
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    Re: Delay when playing audio file with CMdaAudioPlayerUtility

    Why would you play files as a DTMF, the actual thing is that the audio you here is local, and the receiver gets the signal through the signaling involved with DTMF.

  3. #3
    Regular Contributor
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    Re: Delay when playing audio file with CMdaAudioPlayerUtility

    I need to give also local notification about key press etc..

  4. #4
    Nokia Developer Moderator
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    Re: Delay when playing audio file with CMdaAudioPlayerUtility

    you could maybe try just tone player, it should be fast. Also do use the CTElephony API for DTMF sending, then you should get the actual DTMF signaling there.

  5. #5
    Regular Contributor
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    Re: Delay when playing audio file with CMdaAudioPlayerUtility

    thanks for the replay.
    this is voip app si the sending is covered.
    what do you mean tone player?

  6. #6
    Nokia Developer Moderator
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    Re: Delay when playing audio file with CMdaAudioPlayerUtility

    I emans the CMdaAudioToneUtility.

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