Adding slightly more infos on headphone reproduction

start.html

@@ -707,9 +707,9 @@ Description = Equalized Sennheiser HD600 headphones
 Enabled = true
 # Headphone impulse response inverse file path (can be normalized, but gain must then be applied for calibration)
 HpIRInvFile = HD600_all_eq_128_stereo.wav
-HpIRInvFilterLength = 22050 # optional, can also be obtained from IR filter length
+HpIRInvFilterLength = 22050 # optional, if not given the length of the given IR filter is used
 # Headphone impulse response inverse gain for calibration ( HpIR * HpIRInv == 0dB )
-HpIRInvCalibrationGainDecibel = 0.1
+HpIRInvCalibrationGainDecibel = 6.0 # E.g. if the IR file was exported with 6 dB attenuation to avoid clipping in the file
 Outputs = MyHD600HP</code></pre></p>
 										
 <h5>Multi-channel cross-talk cancellation reproduction (class <code>NCTC</code>) example</h5>