Listening study
How natural does this voice sound?
Help us evaluate computer-generated English speech. You will read five short sentences and rate how natural six different computer voices sound for each one.
- 5sentences
Short English sentences, shown as text before you listen.
- 6versions each
Six computer voices read every sentence. You rate all of them.
- 15minutes
Most people finish in 10 to 15 minutes. Progress is saved after every sentence.
How it works
Four steps, one sitting
Use headphones in a quiet room. Everything happens on this website, on a computer or a phone.
Read and agree
See what the study involves and how your answers are used, then sign in with Google.
Answer a few questions
Your listener group, age band, first language, English level and listening setup.
Read the sentence
Every page starts with the sentence written out, so you know what the voice should say.
Listen and rate
Play each of the six versions to the end and rate how natural it sounds, from 1 to 5.
Your privacy
Private by design
Google sign-in only makes sure each person takes part once and can resume on another device. Your scores are linked to a random participant code and analysed together with everyone else's.