On cable television systems, analog-digital simulcasting (ADS) means that analog channels are duplicated as DVR's, it eliminates the need for an MPEG encoder to convert the analog signal to digital for recording.
On cable television systems, analog-digital simulcasting (ADS) means that analog channels are duplicated as digital subchannels. On DVR's, it eliminates the need for an MPEG encoder to convert the analog signal to digital for recording.