v20.40

Adjusted mix for gravel sounds to correct for changes in 1.38.
Further adjustment of probabilities for default parking brake engage sound with left window open.

v20.39

Adjusted probabilities for default parking brake engage sound with left window open.

v20.38.1

Compatibility update for 1.38 ETS2 open beta.

v20.38

Slight reduction in volume for speed warning signal sound for English Doug/Skye UK/US voice navigation.
Subtle cabin sounds when steering the truck added (plays only at low probability for each turn).

v20.37

Removed 2 air brake sounds.
Cleaned 1 air brake sound.
Finetuned brake whistle sounds.

v20.36 + v20.36.1

Finetuned gravel sounds on dirt/gravel roads.
Overhaul of gravel sounds on dirt/gravel roads.
Finetuned wind turbine sounds.
Reduced high frequencies of brake whistle sounds.

v20.35

Reworked sound for wind turbines.

v20.34

Replaced 1 air brake sound effect.
Made standalone bank for hazard warning button sound.

v20.33

Rework by Grinch for default railroad crossing bell sounds:

Beyond 250 meters you now can't hear the railroad crossing bell sound.
Reduced base sound volume by 3db.
Reworked sound for proper loop.
Removed some very high frequencies.

v20.32

Subtle brake whistle sound mostly audible when coming to a stop.
7 additional air brake sounds added, some air brake sounds courtesy of Vasily EVR and Deltatristar500.
Additional layer of sound for tires on asphalt roads (optimized for interior camera).
Standalone sound bank for sewage water sounds (thus reduction in mod size).
Impatient cab drivers may sound their horn more. [ATS edition]