Recording formats and codecs: XAVC, bitrate and bit depth
Codec choices affect quality, file size and editing speed. A clear guide to XAVC S, HS, S-I, bitrate and 10-bit recording.
Sony cameras offer several recording formats. The right choice balances quality, storage and editing performance.
XAVC S (H.264)
Widely compatible and easy to edit on most computers. Good for most work.
XAVC HS (H.265)
More efficient compression: similar quality at smaller file sizes. Requires a more powerful computer to edit smoothly.
XAVC S-I (All-Intra)
Each frame is compressed independently. Large files but very smooth editing and the highest quality for grading.
Bitrate
Higher bitrates preserve more detail, especially in complex scenes like moving water or foliage. 100 to 200 Mbps is typical for 4K.
8-bit vs 10-bit
10-bit records over a billion colors versus 16 million in 8-bit, avoiding banding when grading. Use 10-bit 4:2:2 for log profiles.
Memory cards
High bitrates require fast cards: V60 or V90 SD cards or CFexpress Type A for the most demanding modes.
Proxies
Some cameras record small proxy files alongside full-quality footage, making editing smoother on laptops.
