The Voice Modification effect allows the voice in an audio file to be manipulated.    
The following setting options are available in the Envelope area:
Graph
Envelope Mapping
Changes the input and output frequency of the audio file. You can change the straight lines using the handles. In the graph, the y-axis represents the output frequency and the x-axis the input frequency.
Slider
Scaling
Moves the elements that form the voice.
The following sliders are available in the Pitch area:
Interval
Changes the pitch in the audio file.
Fine-tune
Permits fine tuning if retaining the original audio file length causes distortion due to the interval and patch changes.
The following slider is available in the Time area:
Stretch
Specifies whether the length of the audio file is to vary or whether the original length is to be retained.
The following option buttons are available in the Mode area:
Normal
Leaves the voice in the audio files unchanged. Only the previously set effects are used.
Robot Voice
Adds a robot-like quality to the already activated effects.
Whisper
Adds a whisper-like quality to the already activated effects.
 


Voice Modification