 Audio is recorded as 16-bit/48 kHz PCM with up to four separate channels.Video quality is generally very high; at standard definition, D-9's quality is comparable with Digital Betacam.For high definition video recording, JVC developed an extension to D-9 called D-9 HD, using twice the number of recording heads to record a 100 Mbit/s video bitstream at resolutions of 720p60, 1080i60 and 1080p24.