In our voice application we need to make speech of words faster and slower.

Have tried the FMOD_DSP_SetParameter(dspPitch, FMOD_DSP_PITCHSHIFT_PITCH,x)

and FMOD_Channel_SetFrequency(lChannel, sgFreq)

to make it speak faster without a pitch change.

Is there any formula for the pitchshift and frequency to make it sound correct ?

Have manually found values that works, but when talking slower than the original I cant get it right.


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