Fixed strange sound loop bug occurring in some modded trucks and modded engine sound mods.
Volumes of common sounds inside the truck now defined to have consistency across all truck mods and engine sound mods.
New stick sound for wiper control.
Fine-tuned some gear grinding sounds.
Fine-tuned some environment sounds.
1 new forest ambience sound. [ETS2 edition]
Reworked cafe ambience sound for cafe in Russian Open Spaces map. [ETS2 edition]

Reworked train sounds. Train horns when approaching will be more frequent.
Discontinued rattle sound at high speeds.
Reverted back to v14.3 retarder sound.
Asphalt/tarmac tire noise lowered.
Balanced rumble stripe sound for both lower and higher speeds.
Optimized some def and sound files.
Cleaned quality of external suspension sound.
Cleaned quality of helicopter and biplane sounds.

V14.4
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After extensive feedback from users, the following changes were made:

Lowered volume for low speed tire noise on asphalt/tarmac and retarder sound.

AI traffic truck/bus horn sounds reworked for ETS2 and ATS. For variety, the ETS2 and ATS truck horns are different.

Refined engine sound for some of the AI traffic truck/bus sounds.

New wind/tree forest ambience when outside of cities. [ETS2 edition]

Lowered volume of subtle rattle sound at high speed.

Subtle rattling of cabin sound improved for high speeds, courtesy of Pe11e.

Some generic AI traffic car sounds finetuned.

Refinements to generic AI traffic truck and bus sounds. Some (but not all) AI traffic trucks/buses will now run on CAT engines.

V14.2.1
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Refined and cleaned quality of AI traffic truck and bus sounds.

v14.2

Overall reduction of asphalt/tarmac tire noise to reflect modern trucks

Some AI traffic trucks and buses will now run with a Cummins ISX engine sound

Ambient sound volumes fixed and enhanced for RusMap 1.6.3 offroading areas [ETS2 edition]

Rumble strip sound fixed

New seat belt click sound for after refueling to a full tank or uncoupling the trailer

V14.1
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Reduced volume of hum from asphalt/tarmac tire noise

AI traffic cars from Jazzycat's packs that are towing a load will no longer use semi-truck sounds [ETS2 edition]

Rumble strip sound slightly louder

New forest/country ambience sound available for non-city areas (light breeze)

Fixed sound trigger distance for ETS2 garage prefab

Volume correction for Harley Davidson motorbike