We’ve heard rumors that Apple will a include Siri-powered “Assistant” voice command option ahead of the official iOS 5 launch, and now 9to5Mac has learned that Apple will also add Nuance-powered speech-to-text functionality. As the screenshots show, users will simply need to tap the microphone button next to the space bar in order to activate the feature. When active, a larger microphone image will pop up to alert the user to begin speaking. The functionality is similar to what’s already available on Android smartphones and we hope it performs just as well. Hopefully we’ll see text-to-speech implemented in an upcoming iOS 5 beta build, otherwise we’ll have to wait until September when the official public release hits. Read on for a second screen shot.