Adults' Production of Speech (Optotrak Recordings)

This data set contains Optotrak, audio-visual as well as audio recordings of adult native speakers of Mandarin and Thai producing syllables with all their tones in both syllable and sentential context in 3 different conditions - normal speech, whispered speech and Lombard speech (noise level: 75 dB). There are 2,160 syllables and 2,160 sentences from 12 Mandarin speakers, and 1,800 syllables and 1,800 sentences from 6 Thai speakers. Optotrak raw data files are in .nrw and .nor format and data files are in .n3d, .nco, and .nov format and can be viewed using NDI First Principles or NDI DataView programs. Audio-visual videos are in .avi and audio files are in .wav format which can be viewed via most media players. Optotrak file size varies from 20 KB to5 MB depending on file type. The size for each audio file is approximately 340 to 650 MB depending on the language. Video file size is approximately 14 to 20 GB depending on the total testing time. Optotrak recordings used Northern Digital Inc./NDI Optotrak 3020 cameras with NDI Optotrak system control Unit and NDI Optotrak Data Acquisition Unit II running on a Window XP OS computer. Audio-visual video recordings used Adobe Premiere Pro 2.0 software running on Lenovo ThinkPad T500 laptop and Sony HVR-V1P HDV video camera. Audio recordings used Audacity program running on Lenovo ThinkPad T500 laptop.