HP E6285A MPEG-2 Digital Video Encoder Stress Test Patterns

Utilizing the expertise of its world-renown HP Labs research and development facility, HP has developed a simple, effective tool set for systems designers and engineers seeking to debug, test and optimize the performance of digital video encoding algorithms and encoders: the E6285A MPEG-2 Digital Video Encoder Test Patterns. The E6285A is a professional video tape containing a series of synthetically produced test patterns, designed specifically to provide a standardized and objective test methodology for digital video encoding.

Encoder testing is critical to ensuring acceptable system performance and equipment interoperability. While decoding follows defined standards, digital video encoding varies significantly as different encoder manufacturers attempt to develop proprietary algorithms that deliver optimal video quality with minimal bandwidth usage.

The reliable, deterministic testing methodology offered by the E6285A Test Patterns are valuable for a variety of applications, including: Optimization of encoder algorithms in systems under development; Stress testing of digital video systems; Comparative evaluation of competitive products; Assessment and monitoring of relative digital video output quality.

Each of the E6285A's synthetic test patterns has been created to stress a single potential source of digital encoding problems, or artifacts, within a short sequence. This approach to encoder testing offers several advantages over the use of extended natural scenes or common video test patterns.

It allows users to stress specific encoding challenges in isolation, which enhances the visibility of individual artifact types and sources. In addition, the synthetically generated patterns--unlike natural scenes-- are entirely deterministic, which increases the reliability of quality evaluation.

Finally, since the test patterns isolate specific stress situations in short sequences, tests are readily repeatable, and the time required for testing is significantly reduced.

• Algorithmically generated synthetic patterns delivered on videotape in professional format.
• Pattern selection which emulates basic features of natural scenes and brings out specific digital video artifact types.
• Completely deterministic patterns, for simple, reliable quality evaluation.

HP E6285A   MPEG-2 Digital Video Encoder Stress Test Patterns
   Opt 101  D1 Tape Format, CCIR-601, NTSC
   Opt 201  D1 Tape Format, CCIR-601, PAL
   Opt 001  D1 Tape Format, CCIR-601, NTSC & PAL (two tapes)
   Opt 102  Digital Betacam Format, CCIR-601, NTSC
   Opt 202  Digital Betacam Format, CCIR-601, PAL
   Opt 002  Digital Betacam Format, CCIR-601, NTSC & PAL (two tapes)
   Opt 103  D5 Tape Format, CCIR-601, NTSC
   Opt 203  D5 Tape Format, CCIR-601, PAL
   Opt 003  D5 Tape Format, CCIR-601, NTSC & PAL (two tapes)

For complete encoder testing see also E6277B Opt 010 Elementary Stream Analyzer.

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Related Information:

HP E6310A Video Elementary Stream Analyzer Provides full Elementary Stream analysis capability. Including syntax and semantic checking with full video decode, header information decode, macroblock, bit per frame, and VBV status analysis.

Related product families available online:

Broadband/ATM
Digital Video Test Equipment

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