The RealD Format combines left eye and right eye 3D image streams into a single channel for delivery of high-definition progressive or interlaced 3D videousing today's Internet or broadcast infrastructure, including existing PCs, HD set-top boxes and DVRs, to any 3D-enabled display type.
Some have even gone as far as to state that Sony's strategy of using MPEG-2 and uncompressed PCM audio on single-layer Blu-ray discs may have required too much video compression, resulting in early releases that don't match the sharpness of VC-1 encoded movies available on HD DVD.