A vest developed by a research team at Georgia Tech is aiming to give trained dogs the ability to "speak" to their owners.

The FIDO project - which stands for Facilitating Interactions for Dogs with Occupations - aims to help service dogs offer more sophisticated communications to aid those who may be visually or otherwise impaired.

The customisable vest is designed to be tugged or bitten by the dog depending on what instruction needs to be given.

In this demo, project leader Melody Jackson, along with professional dog trainer Barbara Currier, show off the technology with the help of service dog Blitz.