Elgato TURBO.264 HD - Manual (Page 24)

Audio: AAC-LC, stereo, 160 Kbps, 48 kHz
Note: If the source movie is larger than 1280×720 it
will be scaled to fit within 1280×720 preserving
aspect ratio. Resolution is maintained if 1280×720 or
smaller. Frame rate is maintained when 30 fps and
smaller.
HD 1080p
Video: H.264 Main Profile, 10 Mbps max., 1920×1080
pixels at 30 fps max.
Audio: AAC-LC, stereo, 160 Kbps, 48 kHz
Input formats
AVCHD Video
QuickTime
AVI
DV
WMV
MPEG-1
MPEG-2 Program/Transport Stream
MPEG-4
MP4
M4V
H.263
H.264 AVC
Xvid
VIDEO_TS and many more.
Turbo.264 HD Manual
24
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Appendix: Format Details