datasets/real_doubled/0awj4JW0sUyQJWW1k0yPRg_farend_singletalk_with_movement_mic.wav and datasets/real_doubled/0awj4JW0sUyQJWW1k0yPRg_farend_singletalk_mic.wav are all empty data

[zuowanbushiwo]

Hi I opened these two files with audio tools, and they were all empty data without any voice. why？ thanks！