Trigger audio on motion in webcam?

Question

CCTV

Hello. The essence of the problem is as follows: the dog got into the habit of pissing under the computer desk. Small, but strives to establish a lake named after itself.
The idea of ​​confrontation is as follows: hang a webcam in the direction of a hot spot (2 square meters) and, when a movement occurs, turn on an audio message from the speakers with a proposal not to do this. He is afraid of dogs being caught, so this will undoubtedly frustrate anarchic plans.
Actually, the question is in the software: is there any software that can run an audio file for motion detection?

Answer 1

A program in any language (Delphi, C++, Java...) can run an audio file. Do motion detection using a library or a regular video surveillance program.

Answer 2

Good afternoon. There are IP video cameras with built-in not only audio input, but also audio output. When motion is detected, you can set an alarm signal (in your case, an audio message) and, in principle, everything.
Just find the right model and your pet will no longer be a pest.
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Answer 3

put the motion sensor under the table, connect the siren through the sensor relay