WhatsApp tests feature to speed up playback for voice messages

WhatsApp is beta testing the option to speed up audio in voice messages received up to twice as fast, with a possibility to also slow down messages in future. — Reuters

Have friends that speak too slowly? WhatsApp is testing the option of changing the playback speed of voice messages.

Leaker site WABetaInfo reports that the feature works by tapping the speed label that will appear on a voice message, close to where the sender’s profile image is.