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White Paper – Ipera Pixel Magic Video Technology


Ipera Pixel Xtream consistently outperforms its competitors’ products in shoot out testing on the same machine, using randomly selected customer’s video clips.  When comparing broadcast quality video transcoding solutions, it is important to look past the marketing claims and eye catching graphics, and examine the actual performance and output quality of the individual products.  A transcoder that is slow, doesn’t handle the specific formats you need, degrades the quality of the output content, or causes system crashes, is of little value, regardless of price.

In an attempt to provide a meaningful comparison between Pixel Xtream and two of the leading video transcoding solutions, Ipera engineers did a side-by-side comparison of transcoding solutions from Telestream, Harmonic/Rhozet and Ipera.

To standardize the tests, the same server and same original content were transcoded using Pixel Xtream from Ipera Technology, Episode Engine Pro from Telestream and ProMedia Carbon from Harmonic/Rhozet .(See server and software details below)

We randomly selected 8 video content input files provided by customers.  Each of these files was of a typical but different broadcast/post-production video format.  On the initial run, Rhozet ProMedia Carbon and Telestream Episode Engine Pro failed to ingest some formats.  As a result, we added additional files to achieve a total of 10 input files, of which five were transcodable by all 3 applications.  It should be noted that Pixel Xtream was able to transcode all 10 sample files formats.

Of the ten files tested, five were transcodable by all three applications, and the combined times for transcoding those files are listed for each.

Reviewing the overall results of the benchmark tests, with 6 different output files being created for each of the five original content files, the total combination of different outputs totaled 30.  Of these 30, Pixel Xtream delivered the best performance in 20 of the jobs run.  It is also important to note that when the five input files were run simultaneously, Pixel Xtream was the fastest transcoder for 5 out of the 6 output formats created, typically 2 to 3 times faster than the competition, with very noticeable visual quality advantage (note: link to video quality comparison video).

Input Format
The following input file formats were used:

  • HDV
  • DNxHD 4:2:2 8 bit
  • DNxHD 4:2:2 10 bit
  • AVC All Intra
  • QuickTime AVC
  • Apple ProRes APCN
  • HD MPEG-2  4:2:2
  • XDCamHD
  • XDCamEX35
  • DVCProHD

Software Versions
The software used for the comparison testing was the latest release from each vendor, at the time of testing:

  • Pixel Xtream 3.0.5167
  • Harmonic Rhozet ProMedia Carbon
  • Telestream Episode Pro Engine

The same server was used for all tests. The server configuration was:

  • CPU:  Intel  i-7-3770K @ 3.5 GHz
  • RAM: 8 GB
  • OS: 64-bit Microsoft Windows 7

Please speak to our marketing/sales executives on the detailed benchmarks.