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AVC-Ultra

Defines an additional three new encoding parameters within the MPEG-4 Part 10 standard, utilizing up to the 4:4:4 Intra Predictive Profile, as well as an additional low bitrate proxy recording mode.

The Panasonic AVC-Ultra family defines an additional three new encoding parameters within the MPEG-4 Part 10 standard, utilizing up to the 4:4:4 Intra Predictive Profile, as well as an additional low bitrate proxy recording mode.

The most efficient new parameter within AVC-Ultra is by Panasonic called, AVC-LongG. AVC-LongG enables compression of video resolutions up to 1920 × 1080 @ 23.97, 25, and 29.97p, with 10 bits of pixel depth at 4:2:2 color sampling, at data rates as low as 25 Mbit / sec.

Moreover, the AVC-Intra Class 50/100 is now extended to Class 200 and Class 4:4:4. The Class 200 mode extends the bitrate to 226 Mbit / sec for 1080/23,97p, while the Class 4:4:4 extends the possible resolution from 720p to 4K with pixel depths at 10 and 12 bits.

The bitrate settings for Class 4:4:4 vary between 200 and 440 Mbit / sec depending on the resolution, frame rate and bit depth. Both the Class 200 and the Class 4:4:4 are Intra-only coding modes.

The AVC-Proxy mode enables extremely fast ENG content delivery and offline edits of 720p and 1080p video at bitrates varying between 800 Kbit to 3.5 Mbit / sec at 8 bits of pixel depth.

More recent information about AVC-Ultra (including the new 10-bit and 12-bit Class4:4:4, Class2K4:2:2, Class2K4:4:4, Class4K4:2:2, and Class4K4:4:4) is available on Panasonic's AVC-Ultra Page.

Key Terms

bits pixel depth
class
definition
mbit sec
mode
panasonic
panasonic avc ultra family
parameters
part
usage

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Synonymns

AVC-Ultra
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Sources & Credits

Last modified on May 20 2020
Content adapted from Wikipedia
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