מיכה בלום - תכנון והקמת תחנות רדיו מקצועיות ומערכות קול - Micha Blum - Broadcast Design
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  יחידת שרידות וזיהוי כשל MADI

יחידת שרידות וזיהוי כשל MADI

DirectOut

EXBOX.BLDS
EXBOX.BLDS is a sophisticated MADI redundancy switch for production environments with advanced reliability requirements. In addition to the standard changeover from one input to the other in the case of a loss of the MADI signal, the unit incorporates a unique feature from DirectOut, the Buffer Loop Detection System™.

EXBOX.BLDS is a sophisticated MADI redundancy switch for production environments with advanced reliability requirements. In addition to the standard changeover from one input to the other in the case of a loss of the MADI signal, the unit incorporates a unique feature from DirectOut, the Buffer Loop Detection System™.

ENHANCED SIGNAL CONTROL

 

The Buffer Loop Detection System™ is used to detect silence or a corrupted input signal - e.g. caused by an application hang of the playout system (repeating buffers) or stuttered playback due to system overload. 

A provided software tool creates a .wav file containing a low level signal which is inserted into the MADI stream. The artificial design of the Buffer Loop Detection Signal enables reliable and inaudible switch-over within one sample.

INPUT SWITCHING

 

The MADI input can be switched manually by a push button on the front panel of the device. Different redundancy modes (prioritisation of inputs) offer the means to adjust the trigger behaviour of EXBOX.BLDS.

GPI/GPO

 

Four GPIs and four GPOs are accessible via DSUB-9 connectors. The GPIs may be used to select the MADI input or to trigger a switch-over. GPOs provide monitoring of the current input and switching state.

SERVICE

 

The device can be updated with a new or customised firmware via the integral USB port.

SAFE OPERATION

 

Two robust Hirose sockets are available to plug in up to two external power supply units or battery packs for safe operating conditions with redundancy.



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