The BLU-103 features extensive signal processing capabilities that maximize voice intelligibility. It provides AEC processing with Automatic Gain Control (AGC) and noise cancellation for up to eight independent AEC algorithms. AEC is used to eliminate the echo that can be heard when someone’s voice comes out of a speaker, is picked up by a microphone and is fed back into the system. AEC can be applied to signals coming from the local analog inputs or from the BLU link. Eight individual AEC references allow the user to apply AEC for multiple conferencing spaces using a single BLU-103.
The Automatic Gain Control ensures that microphone levels are optimum and the Noise Cancellation removes unwanted steady-state noise such as fan or air conditioning noise from the signal path. The analog inputs each have software-configurable gain in 6dB steps up to +48dB per channel as well as selectable phantom power.
BLU link, a low-latency, fault-tolerant digital audio bus, uses standard Cat 5e cable and can accommodate more than 300 feet of cable distance between compatible devices. If desired, fiber optic converters can be used to increase the distance to approximately 20 miles. The BLU-103 is compatible with the entire BSS Audio Soundweb London product line and can be operated using HARMAN’s HiQnet Audio Architect™ system design and configuration software.
12 Control inputs and six Logic outputs allow the BLU-103 to be integrated with GPIO (General-Purpose Input/Output)-compatible devices. Among its additional features, the BLU-103’s front-panel LED indicators provide signal present, clip and phantom power information without the need to connect a computer, and its bi-directional locate functionality allows devices to be identified both from and within HiQnet Audio Architect.
HARMAN (www.harman.com) designs, manufactures and markets premier audio, visual, infotainment and enterprise automation solutions for the automotive, consumer and professional markets. With leading brands including AKG®, Harman Kardon®, Infinity®, JBL®, Lexicon® , Mark Levinson ® and Revel®, the Company is admired by audiophiles, musicians and the entertainment venues where they perform. More than 25 million automobiles on the road today are equipped with HARMAN audio and infotainment systems. HARMAN has a workforce of approximately 17,600 people across the Americas, Europe, and Asia and reported sales of $5.9 billion during the last 12 months ended December 31, 2014.
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