path	mode	size
..	drwxr-xr-x
demo	drwxr-xr-x
file_read_usb_playback.json	-rwxr-xr-x	2 KB
mic_recode_3a_usb_playback_demo.json	-rwxr-xr-x	6 KB
mic_recode_usb_playback.json	-rwxr-xr-x	3 KB
usb_recode_speaker_playback.json	-rwxr-xr-x	3 KB