Leo froze. He checked the source tape. No girl. He checked the raw AVI export. No girl. Only in the x264 encode. Only in the blocky, chroma-subsampled shadows where the codec had decided to preserve her instead of the brick wall behind her.
He was frame-stepping through miller_dusk_02.mkv — a 90-second shot of Main Street at twilight. The x264 settings had been aggressive: CRF 23, very slow preset. In the original MiniDV tape, the street was empty. But in the compressed .mkv file, in the deep shadows beneath the overpass, a figure emerged.
The Ghost in the Codec
He named the file la_chica_de_miller.x264.mkv .