SoundHound on Tuesday debuted a redesigned version of its mobile music-recognition app, adding voice-recognition capabilities that allow the user to learn what song is playing; play songs and build playlists on YouTube, Spotify, or other music-streaming services; and search for information on a specific artist using voice queries. The company describes the technology as "speech-to-meaning," and it first debuted with Hound, the company's digital voice assistant, back in March. Our own tests showed Hound was able to pull up results much faster than Apple's Siri, although it seemed to perform less accurately than Google Now. Users just need to open the app and say the phrase "OK, Hound." From there, you speak conversationally, and the Houndify backend technology should be able to understand the context and meaning of your queries.