... -2 frame base (FB)Audio CodingSampling32KHz,44.1KHz,48KHzCode rate64,128,192,256,384KbpsSpecificationMPEG-1 2nd layer,CD audio qualityResolutionStandardComplying CCIR601 ... ±10%,50Hz/60HZ,25W COL5141A MPEG2 Encoder (4 in 1 out),4 channels mpeg2 encoder, catv headend