v23.24

Horn sound added to the 2006 Hummer H2 in AI traffic. [ATS edition]

v23.23

5 new sound effects added to the array for the hot air balloons.
Engine sounds added to the variant of the 2020 Chevrolet Silverado 3500HD without a truck bed in AI traffic. [ATS edition]
Minor sound adjustments to some AI traffic truck air brake sounds. [ATS edition]
Revised tire bump / suspension sound mix.

v23.19 to v23.22

New speed-based system for tire bump / suspension sounds. Sound effects will alter depending on how fast the truck is moving.
- In cases of mod conflicts, the suspension sounds will only use the low speed suspension sounds, like how it was in previous versions.

Minor pitch adjustment to high speed asphalt road noise and cleaned the sound file further.
Minor sound adjustments to some AI traffic truck engine sounds. [ATS edition]
Removed sound/world/prefab/debark_1.soundref. [ATS edition]
1 new ending sequence sound effect variant for after rotating the trailer brace to lower the trailer landing gear.
Engine sounds applied to the 2020 Western Star 49x in AI traffic. [ATS edition]
Engine sounds added to the 2022 Western Star 57x in AI traffic. [ATS edition]

v23.18.1

Compatibility update for the ATS 1.47 open beta. [ATS edition]

Feature loss: The Special Transport DLC sound feature appears to no longer work due to sounds not applying to escort vehicles in 1.47.

v23.18

New horn sound effects added to the array for the International LoneStar trucks in AI traffic. [ATS edition]

v23.17

New feature for ATS single-player Special Transport DLC owners. Note that it only applies to base game pilot vehicles for now:
- Chance of hearing a CB radio sound effect as an indication for when the front pilot vehicle reduces speed ahead. [ATS edition]

Engine and horn sounds added to the 2015 Ford F-150 (13th generation) in AI traffic. [ATS edition]
Engine and horn sounds added to the 2017 Ford F-150 Raptor in AI traffic. [ATS edition]
Applied engine sounds to all pilot car and escort vehicles used in the American Truck Simulator Special Transport DLC. [ATS edition]
Minor sound adjustments for the tire bump / suspension sounds from the interior cabin view of the player's truck.

Updated the recommended audio settings text file and its discussion topic on the Steam Workshop.
(Single-player Special Transport DLC citizens band radio sound effects have been assigned to the Interior sound volume slider).

v23.16

Engine and horn sounds added to the 2006 Chevrolet Impala police car in AI traffic. [ATS edition]
- This is also applied to the unused civilian 2006 Chevrolet Impala AI traffic car in case of future use. [ATS edition]

Several air horn sound effects added to the array for the Kenworth W900 trucks in AI traffic. [ATS edition]

v23.15

Disabled lawn mower sounds at night. This is for cases of the lawn mower not despawning (e.g. after setting the game time via a command).

Improvements to the auxiliary power unit (APU) sound of the Antonov An-124 that you can load or unload cargo to:
- 3D positioned the APU sounds closer to the actual APU exhausts of the aircraft.
- Sound adapts based on distance to the APU.

v23.14

Engine and horn sounds added to the 2012 Chevrolet Caprice Police Patrol Vehicle in AI traffic. [ATS edition]
Removed all cabin rattle sounds introduced in v23.12.

v23.13

Minor sound tweaks to the cabin rattle sound effect.
Removed some sound effects from the interior suspension sound array.