[s6e5] Deep Freeze -

If you are referring to the TV show, CSI: Miami Season 6 Episode 5 is titled "Deep Freeze".

The phrase "useful feature: '[S6E5] Deep Freeze'" most likely refers to the Electro-Harmonix (EHX) Pico Deep Freeze Go to product viewer dialog for this item. [S6E5] Deep Freeze

In technical audio processing, similar "deep freeze" or "pitch freeze" effects are used to hold the "tails" of reverbs or delays to create complex textures without overloading the signal. Alternative Interpretation: CSI: Miami S6E5 If you are referring to the TV show,

The pedal's footswitch can be customized for different playstyles. You can use it in momentary mode to capture a note while your foot is down, or latch mode to keep a sound going with a single tap. "CSI: Miami" Deep Freeze (TV Episode 2007) - IMDb

The investigation utilizes a "virtual autopsy" (using multiple scans) to examine the body without compromising the cryogenics, which serves as a critical technological "feature" for the plot.

"CSI: Miami" Deep Freeze (TV Episode 2007) - IMDb