AudioPan
AudioPan[audio] returns a center-panned stereo audio object from a mono audio.
AudioPan[audio, pan] returns a stereo audio object after panning left and right channels using the specified pan.
AudioPan[video, ...] pans the first audio track in video.
Examples
Pan audio to the left:
audio = AudioGenerator["Sin", 1];
AudioPan[audio, -0.5]Please visit the official Wolfram Language Reference for more details.