It sounds like you're referencing a classic benchmark disc from the early 2000s home theater era—likely a self-authored or niche release (given the "R.K." signature). Here’s a concept text written in the style of a forum post or DVD liner notes for :
The disc begins with the basics: Pink Noise and Test Tones. The Ultimate 5.1DD DTS Surround Test-DVD - -R.K...
If Dolby Digital was the reliable workhorse, DTS was the enthusiast’s choice. DTS uses less compression (or is "less lossy") than standard Dolby Digital, resulting in a signal that many audiophiles argued sounded "richer" and "more open." The "Ultimate" test disc often features tracks in full-rate DTS (1509 kbps), a bitrate rarely seen in streaming today. This provides a master-class in hearing the subtle differences between the formats—using the same source material to compare the two. It sounds like you're referencing a classic benchmark
"Calibrate. Demonstrate. Dominate."
Welcome to the definitive reference tool for surround sound enthusiasts, custom-engineered by R.K. This disc is not a commercial film—it is a precision instrument. Every tone, sweep, and pan is meticulously crafted to expose the true potential (and limitations) of your 5.1 system, whether you run Dolby Digital (DD) or DTS. DTS uses less compression (or is "less lossy")