A left side shot of a colorful audio mixer and a man pulling up and down the knobs...

A colorful audio mixer, the knobs are being pulled automatically up and down, the shot is moving from right to left and vice versa...

A man working on a colorful audio mixer, he is pulling the knobs up and down...

A colorful audio mixer, the knobs are being pulled up by a man, the shot is moving from left to right on a slider...

A man pulling up and down knobs on an audio mixer...

Side shot of an audio mixer and a man putting it into demo mode, the knobs are being pulled up and down automatically...

Close up shot of an audio mixer, the knobs are being pulled up and down, the shot moves from right to left...

Close up shot of an audio mixer, the knobs are being pulled up and down, the shot moves from left to right...

A colorful audio mixer, the knobs are being pulled automatically up and down...

Footage of an audio mixer, the shot moves from the right to the left, the knobs are being pulled up and down automatically...

A colorful audio mixer, the knobs are being pulled automatically up and down...

Close up shot of an audio mixer and a man pulling up the knobs, the shot is moving from left to right...

A moving shot of an audio mixer and a man pulling up the knobs on it, the shot is moving from the left to the right...