Axon 4RU rack mounted Synapse modular rack with 11x DDE51 Dolby encoders (encodes 8 channels of aes into dolby). Are designed for tranmission use so the highest qualityDATA sheet on DDE51 is here https://www.axon.tv/downloads/26519/DDE51%20Product%20Description.pdf Frame model SFR18 Holds 18 modular cardsWith Synapse local control panelat the front with built in controller and LCD to control each card,network etc change configs of each card etc.Installed with2x SMP80 Power supply with CPU and controller card1x RRC18 controller card with ethernet, GPI, reference etcIncluded is 11x DDE51C Dolby encoder cards (these come boxed with board and back connectors. they can be shipped in bo or we can install in axon frame for buyer if needed.The DDE51 was at introduction the first modular Dolby Digital Pro encoder in the world. Targetedat transmission environments the DDE51 has all the advantages of the Synapse system, such ashot swap ability, redundant power supplies, SNMP compatibility and a host of other modularsolutions that fit the same chassis. The DDE51 is a functional equivalent to the DP569 from DolbyLaboratories.Preset based meta-data insertionDolby Digital encoding or bypass mode (individual for both outputs)Adjustable encoding data rate (56 kb/s to 640 kb, part of 8 presets)Full 8 channel independent input selectionBuilt-in generator per mono channelInput gain control per individual mono channelInput phase control per individual mono channelInput offset delay for phase compensation (0 to 1300 ms in 1 ms intervals)Auxiliary output can source a second AC3 stream or a copy of each inputUp to 18 AC3 pro encoders in 4RUMetadata input5.1, 4.0, 3.1, 3.0, 2.0, 1.0 modesGPI triggered presetStatus information of each input (including clipping)Encoder OK status reportingAES/EBU in and outputs on 75 Ohms BNC according to AES3ID-1995Locks to Black & Burst, wordclock, AES input or Mastercard