I originally bought WizWrite to transcribe speech from videos, for example, on YouTube. When I speak directly into the microphone, WizWrite transcribes the text relatively accurately. However, recording speech from a distance, such as from a television, or recording a YouTube video played back through an external device, works very poorly. A large portion of the speech is either not recorded at all or transcribed completely incorrectly. If the recorded speech is also to be translated into another language, the translated text often bears no resemblance to the original, resulting in a complete loss of meaning. I get the same result when I upload a pure audio file from a video or podcast.

The automatic speaker detection doesn't work at all; everything is lumped together into an endless stream of gibberish.

So, for directly recorded speech that needs to be transcribed—which is what WizWrite is actually designed for—it's quite good, but unsuitable for other purposes.