... SD Encoder Model:ENC3144 ENC3144 is h.264/MPEG-2 4 channels low bitrate encoder, reaches to use ... -7Mbps(H.264),0.5-7Mbps(MPEG-2) Support local and remote control network, and also support network upgrade ... 9 on selected or automatic GOP size:adjustable Bit rate mode:VBR/CBRAudio Encoding Features Sampling Rates: 32KHz ... ,44.1KHz,48KHz Bit rate: 64,128,192,256,384kbps Encoding Format: MPEG I Layer I/II,CD ...