Offers audio samples of native speakers demonstrating proper accents for British and American English, French, German, Italian, Spanish, Indonesian, Thai, and Portuguese.

Defines this phonetic principle and provides links to related entries like the Grimm brothers and selected language families.

Thorough summary of this branch of linguistics incorporates descriptions of experimental, articulatory, and acoustical phonetics.

Encapsulates the major points and implications of this phonetic principle modifying Grimm's Law.

Guide to Web-based resources on the study of human speech includes research programs and lists of phonemes. With a section on speech recognition.

Research institute describes its history and overviews the study of phonetics. Find the text of research papers and presentations.

University of Oregon center offers IPA phonetic fonts for free download. IPA is the standard phonetic representations of linguistic sounds.