How to change the speed and volume of audio in Captivate 8 using vtml tags ?

I want to change the volume and speed of audio in my Captivate 8 project. The speed of the audio is usually very fast. Is there a way to adjust the speed of audio according to the requirement ? Please suggest.

Check out this VTML tag usage guide.
https://ondemand.neospeech.com/vt_eng-Engine-VTML-v3.9.0-3.pdf
Sreekanth

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and
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Using an AIFF there aren't these options.
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