Ultrax 2020 Dataset

This is a corpus of ultrasound tongue imaging and audio data, gathered from children with speech sound disorders by speech and language therapists in hospital environments.
11 female speakers and 26 male, aged 5-12 years. There is one recording per child.
The following metadata are available for each recording: speech waveform, raw ultrasound data, ultrasound parameters, and prompt text with date/time of utterance recording.