Setting the FEC Matrix

Set the amount of FEC (Forward Error Correction) overhead for configuring SMPTE2022-1.

Select [Main Menu] arrowR [System] arrowR [Network]/[Settings] arrowR [Live Streaming Set] arrowR [Streaming Server] arrowR [Server1] to [Server4] arrowR [FEC Matrix] and press the Set button.

The FEC adjustment screen appears.

GY-HM250_FECMatrix
Adjust the L and D values.

Use the L_botton / R_botton buttons to adjust the L value, and the U_botton / D_botton buttons to adjust the D value.
The amount of FEC overhead changes when the L and D values are changed.
To restore the L and D values to their default values, press the [C.REVIEW/4] button.

Memo

Setting range

4 ≦ L ≦ 20 (Default value: L = 10)

4 ≦ D ≦ 20 (Default value: D = 10)

L × D ≦ 100 (Default value: L×D = 10×10)

Press the Set button ( REC button ).

The screen returns to the streaming server setting screen.

StreamingSet_660
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Increasing the amount of FEC overhead increases the packet loss resilience but more network bandwidth is used.

Even with the same amount of overhead, increasing the L value will increase the packet loss (continuous packet loss) resilience.