Nero Digital

Nero Digital can generate streams in the MPEG-4 Part 14 (".mp4") container format and includes two video and two audio codecs:

ASP (one of about 20 profiles defined in MPEG-4 Part 2)

AVC (also known as MPEG-4 Part 10 or H.264)

LC AAC (the most widely used codec defined in MPEG-4 Part 3 )

HE AAC (defined in MPEG-4 Part 3, sometimes incorrectly called aacPlus)

The codecs are compliant with the ISO / IEC standard, with the exception of subtitles and chapter information. The video streams generated by Nero Digital can be played back on some stand-alone hardware players and software Media Player s such as its own Nero Showtime , though many reportedly have problems dealing with the Nero-encoded chapters points and subtitles.

Recode cannot rip encrypted DVD movie discs, but is able to import Decrypted DVD images for encoding. Nero Digital also does not ship its codecs as stand-alone DirectShow or VfW modules, preventing them from being used for general-purpose video editing. The product is not bundled with a video editor.

The Nero Digital video codecs have been featured in video compression comparisons:

In the 2003 Doom9 codec comparison , the ASP codec was the fastest of all the codecs, but fared relatively poorly in quality.

The Nero Digital AVC codec was pronounced the winner of the 2004 Doom9 codec comparison . ND ASP did not compete.

In the 2005 Doom9 codec comparison , the ASP codec was still the fastest and fared better than previously in quality, but not well enough to make it to the finals. The AVC codec came in second overall.

In May, it won the C't magazine video codec quality comparison , competing against other AVC codecs such as X264 , VideoSoft's codec, the MainConcept codec and the Sorenson codec.

Nero Digital AVC also won the Movie Metric Benchmark challenge with up to a 1dB quality gain over DivX at the same bitrate.

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Nero Digital