8510 is 4 channel audio processor submodule for 8400 and 8500 frame synchronizer. It adds both analog and digital audio capability with a flexible architecture that addresses a wide range of audio handling needs. When the 8500 is being used as a video A to D converter, it can perform the same function with the associated audio. If the 8500 is being fed an SDI signal with embedded audio, it can produce an analog output of that audio. When the 8500 is configured as an SDI frame sync, it can properly re-synchronize the embedded audio content.