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xrvsmr [2024/06/17 12:34] – wadminxrvsmr [2024/06/17 12:51] (current) – wadmin
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 ===== Test Procedure ===== ===== Test Procedure =====
  
-==== T1 - Inner Noise ====+==== T1 - Inner Noise and THD ====
  
 Measure loopback  RTA THD (+N) @1khz + total dynamic range. Measure loopback  RTA THD (+N) @1khz + total dynamic range.
Line 51: Line 51:
   * Set Inputs Gain to 0dB   * Set Inputs Gain to 0dB
   * Set Output level to match a -12dBfs input level   * Set Output level to match a -12dBfs input level
-  * Measure RTA and store 
- 
-== -20dBfs / G=0 == 
-  * Set Inputs Gain to 0dB 
-  * Set Output level to match a -20dBfs input level 
   * Measure RTA and store   * Measure RTA and store
  
Line 68: Line 63:
   * Measure RTA and store   * Measure RTA and store
  
-== -12dBfs / G=18dB ==+== -12dBfs / G=28dB ==
   * Set Inputs Gain to 28dB   * Set Inputs Gain to 28dB
   * Set Output level to match a -12dBfs input level   * Set Output level to match a -12dBfs input level
Line 80: Line 75:
  
 {{drawio>xrmr:t21.png}} {{drawio>xrmr:t21.png}}
 +
 +=== *R18 Procedure ===
 +
 +== -12dBfs / G=0 ==
 +  * Set Inputs Gain to 0dB
 +  * Set Output level to match a -12dBfs input level
 +  * Measure Transfer function and store
 +
 +== -12dBfs / G=8dB ==
 +  * Set Inputs Gain to 8dB
 +  * Set Output level to match a -12dBfs input level
 +  * Measure Transfer function and store
 +
 +== -12dBfs / G=18dB ==
 +  * Set Inputs Gain to 18dB
 +  * Set Output level to match a -12dBfs input level
 +  * Measure Transfer function and store
 +
 +== -12dBfs / G=28dB ==
 +  * Set Inputs Gain to 28dB
 +  * Set Output level to match a -12dBfs input level
 +  * Measure Transfer function and store
 +
 +===== Test results =====
 +
 +==== T1 - Inner noise and THD ====
 +
 +=== XR18 Results ===
 +
 +== -12dBfs / G=0 ==
 +
 +== -12dBfs / G=8dB ==
 +
 +== -12dBfs / G=18dB ==
 +
 +== -12dBfs / G=28dB ==
 +
 +=== MR18 Results ===
 +
 +== -12dBfs / G=0 ==
 +
 +== -12dBfs / G=8dB ==
 +
 +== -12dBfs / G=18dB ==
 +
 +== -12dBfs / G=28dB ==
 +
 +==== T2 - Transfer function ====
 +
 +=== XR18 Results ===
 +
 +== -12dBfs / G=0 ==
 +
 +== -12dBfs / G=8dB ==
 +
 +== -12dBfs / G=18dB ==
 +
 +== -12dBfs / G=28dB ==
 +
 +=== MR18 Results ===
 +
 +== -12dBfs / G=0 ==
 +
 +== -12dBfs / G=8dB ==
 +
 +== -12dBfs / G=18dB ==
 +
 +== -12dBfs / G=28dB ==
 +
 +
xrvsmr.1718627684.txt.gz · Last modified: 2024/06/17 12:34 by wadmin