Source: Pan's Labrynth Blu-ray
Audio: 5.1 DTS Core (not a lossless source, but that isn't the point of these samples)
Decoded with: ArcSoft DTS Decoder 1.1.0.7 + eac3to
Encoded with: 4.60.1 (-hh -x6)

The 16-bit version was downsampled from the 24-bit DTS using "eac3to -down16".