Probably the most demanding deinterlacing test is how a video processor can handle a waving American Flag. If the flag is jagged, the 480i/480p conversion is below average. As you can see here, the Pioneer receiver does not excel at this task.
Pioneer VSX-91TXH 480i/480p Deinterlacing Conversion Test Results - Flag 1
By Robert Silva, About.com Guide
Pioneer VSX-91TXH 480i/480p Deinterlacing Conversion Test Results - Flag 1
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