Cockpit noise Falcon 2000LXS TRH-OSL CleanSky2 VOICI Data 1

Data file: Recording 6_low_freq_boost_remove_speech_2_WoodPk_reinsert_16b.wav
Extended description file: Cockpit  noise Falcon 2000LXS TRH-OSL description.pdf

Scenario:

Sound recording during flight Trondheim – Oslo by Rely AS 2018-09-13, using a Falcon 2000LXS (2017). The full flight, gate to gate, is included.

Recording and calibration:

A MicW i436 microphone with windshield was placed just in front of the airplane throttle. The microphone was connected to an Apple iPod, operated by pilots. Signal sample values on the .wav -file can be converted to sound pressure in Pa by multiplying by 13.79.

Post-processing:

1. The following signal components have been removed from the recording, and replaced by nearby background noise:
   - Pilot speech
   - ATC communication
   - Voice messages automatically generated by the aircraft (e.g., altitude)
2. The pitch trim confirmation signal has first been removed and then re-inserted at the correct level, but in a version recorded 30 cm from the cockpit loudspeakers.
3. The recording setup has a high-pass function with cut-off at 150 Hz. A gentle boost has been applied below this frequency.