Nearly all of them have a unique sonic signature.

Wherever the original roof has not been modified, this unique signature is visible.

So perhaps his brain waves had a unique signature of some sort.

Each bar code has a unique digital signature to prevent fraud.

You can build a new world, add your own unique signature to the universe.

Whipping and slashing in combination was a rare, possibly unique signature.

Every thought creates a unique electrical signature in the brain.

Each member made sure to add their own unique signature to the music despite the well-known sounds they created with previous projects.

In this technique, a unique signature is created for the video on the basis of the video's content.

All cars also had a unique signature in the boot under the carpet.