Symbian/S60 audio playback rate -

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I would like to control the playback rate of a song, while it is playing. Actually I want to play it a little bit fast or slow when I say to do this.

In addition, it is possible to playback two different tracks at the same time, recording in a track with tools and asserting a different track in a different track. One of these tracks should be able to change the playback rate in "real-time".

Is this possible on Symbian / S60?

This post is possible, but you have to:

  1. Converting the audio data to PCM, if it already has this Format
  2. This PCM stream process in the application to change playback rate
  3. Render audio through CMdaAudioOutputStream or CMMFDevSound (Or, if you use QT )

In other words, no API is available to change the platform automatic audio playback rate - Your application will need to be processed directly on the audio stream.

To play multiple tracks simultaneously on the basis of the device, the audio subsystem gives you one or more streams together at the same time The problem may be that you are unlikely to be synchronized. That's why your app probably has a stack on the front of all personal tracks before the presentation. Will be found in the team.


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