Michigan State's Tone Perfect is an award-winning database that catalogs nearly 10,000 audio files of "monosyllabic sounds in Mandarin Chinese." As a "tonal language," in Mandarin Chinese the pronunciation of words is extremely important. For instance, the site gives the example of "ma," a word that means "mother," "hemp," "horse," or "scold," depending on one's tonal inflection. The four audio recordings on the Home page demonstrate this difference and demonstrate to users how the site's audio clips operate. The Home page also embeds two one-minute introductory videos that welcome visitors to the collection. The collection itself is available on the Browse page. Audio is recorded by six native Mandarin speakers, and audio recordings are tagged accordingly (e.g., FV1 represents "Female Voice 1" and MV2 represents "Male Voice 2"). Tone Perfect was created by Catherine Ryu of Michigan State University's Department of Linguistics and Languages. To view similar projects, and undertakings that have relied on Ryu's data, check out the Related Projects page.