Listening in on sound: when is it a criminal offence?

Many people know that cameras are subject to rules. Less well known is that sound is treated even more strictly. This is due to section 201 of the German Criminal Code, which protects the “confidentiality of the spoken word”. This article puts it in context, but it is not legal advice and refers to German law.

What section 201 StGB prohibits

In short: anyone who records the privately spoken word of another person without their consent, or listens to it with an eavesdropping device, can be punished with a fine or imprisonment. This covers conversations not meant for the public, so a chat at the kitchen table as much as a phone call. What matters is that the person does not have to expect it or does not agree. Passing on such a recording secretly can also be an offence.

And the baby monitor?

Listening to baby sounds is considered unproblematic, because a baby does not hold a conversation and parents have a duty of supervision. It looks different as soon as adults speak in the room. If the baby monitor runs while a babysitter, grandparents or visitors are in the nursery, you should tell them that the sound is on. The simplest thing is to pause the device when someone else is with the child. Anyone who does this openly is on the safe side.

Constant listening is not the same as an alert

Technically there is a big difference between a device that records constantly and one that only reacts to noise. VintageCam works on the second principle: sound is only passed on while a viewer requests it, and only the short clip around an alert is stored. For the legal assessment that does not replace the consent of those affected, but it reduces what is created in the first place.

Guests, carers, flatmates

Anyone who lives in a shared flat or regularly has people in the house should be especially careful with sound. A camera without sound in the hallway is often easier to justify than a microphone in the living room. For carers and domestic helpers, employment-law questions come on top. When in doubt, ask beforehand, write the consent down and take it seriously if someone withdraws it.

What you can do in practice

Say openly that a camera with sound is in the house. Position it so that it covers only the area you want to protect. Switch it off when you have visitors or are having a conversation nobody else should hear. And use alerts instead of constant listening: settings such as sensitivity and minimum duration ensure that only loud events are reported. More in the article Setting up alerts properly.