Omkar2118/datasets huggingface dataset:
TUDA

Overall duration per microphone: about 36 hours (31 hrs train / 2.5 hrs dev / 2.5 hrs test)
Count of microphones: 3 (Microsoft Kinect, Yamaha, Samson)
Count of wave-files per microphone: about 14500
Overall count of participations: 180 (130 male / 50 female)

Introducing paper: Open Source German Distant Speech Recognition: Corpus and Acoustic Model