Audio recording laws exists in most countries and are surprisingly stricter than you might expect. People buy spy pens online unaware that they, like any other hidden device are subject to these laws. Most people would expect video recording to be much stricter but governments seem to provide individuals with much more protection when it comes to protection of their voice rather than their image.

In many states in the US it is illegal to record someone’s voice without their permission full stop. In others it is legal as long as there is suitable grounds to be doing so. Some states require full permission of the person before creating an audio track of their voice. As you can see the variation in legislation is huge, so before you get yourself into trouble check out the laws in your state.