File Format & Codec: Encode to the H.264 codec in the MP4, MOV, or M4V file format. Apple ProRes codec is currently not supported.
Frame rate: Same as your source video.
Bitrate: Minimum of 10mbps for 1080p and a minimum of 30mbps for 4K.
Audio: AAC-LC format at 320 kbps with a sample rate of 48 kHz or less.