Sierra Automated Systems KDL-16, KEL-16
May 31, 2012 1:00 AM, By Erin Shipps, senior associate editor
AoIP interface cards
These AoIP interfaces for the 32KD marry the stability and low latency of the synchronous TDM network with LAN-based synchronous AoIP (KDL-16) and WAN-based asynchronous AoIP (KEL-16). Each interface provides 32 channels of AoIP in and out of the 32KD network. The synchronous KDL utilizes the IEEE 802.1 AVB (Audio Video Bridging) standard, which provides linear AoIP using managed switches and offers compatibility with other AVB devices. The KDL enables an interface to computer-based editing and automation/delivery systems using a software driver and standard NIC, eliminating the sound card. The KEL module provides AAC and G.711 codecs along with high quality sample rate conversion to allow WAN-based system-to-system (city-to-city) connections. The KEL also serves as the 32KD interface for the SAS ICM-32 IP intercom system, which provides intercom control and communications between studios and cities. SAS also plans to further develop interfaces to third-party codecs that conform to the EBU N/ACIP standard.
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