Changed default AI traffic truck/bus engine sounds. Now has more variety of engines in set of sounds and smoother volumes.
1 new cricket ambience variant for nighttime added to array. [ATS edition]
New forest/rural ambience sound. [ETS2 edition]
Fine-tuned modern Scania V8 engine sound for AI traffic (default SCS). [ETS2 edition]
Added specific engine sound sets for Freightliner + Mack trucks in American Truck Traffic Pack by Jazzycat. Rarely you may find some Freightliner's with Detroit Diesel engines. [ETS2 edition]

Temporary fix for one AI traffic truck/bus engine sound

Complete rework of trailer uncoupling, trailer brace down and trailer brace up sounds.
1 new variation of cricket ambience for some drop off points (nighttime only). [ATS edition]
Reworked 1 city ambience sound. [ETS2 edition]
Reworked hot air balloon sound.
Reworked Scania V8 sound for Scania 143m and Scania 164l in AI traffic (Truck Traffic Pack by Jazzycat). [ETS2 edition]
1 new jackhammer sound added to array. [ETS2 edition]
Added sound for Scandinavia DLC trains. [ETS2 edition]
Added sound for cows.
Added sound for chickens. [ETS2 edition]
Fine-tuned external camera view gravel sounds.
Fine-tuned garage door sound.

More pleasant volumes for headphone users
Added Scania open pipe V8 sound for AI traffic Scania 143m and 164l included in Jazzycat's Truck Traffic Pack [ETS2 edition]
1 new train sound for trains added to array
Modified trailer brace down sound

Smaller sound range of eagle sound

Coastal ambience improved in Iceland (ProMods map). Seagulls now sound far more distant. More wind sounds to simulate weather of Iceland. Added sounds of the sea when you go near the coast. You may want to park up by the coast and get out of your truck. :-) [ETS2 edition]
Fine tuned some environment sounds.
Rumblestripe sound reworked.
Jazzycat motorbike files up to date. Variable engine sounds for Honda CB600. New rev limiter "horn" sounds for Honda CB600.
Added motorbike engine and rev limiter "horn" sounds for JLTruck's AI motorbike pack.
Modernized photo camera click sound for photo mode.
1 new suspension sound for interior.
Increased interval of Nokia ringtone by a few more minutes (late music replacement).
Some default (unmodded/vanilla) AI traffic Scania trucks will use a V8 engine sound. [ETS2 edition]
Lowered volume of some city ambience. [ETS2 edition]

Added sounds for F22 jet fighters, blimps, hot air balloons, eagles, tugboats and container ships.
Reworked Boeing airplane audio. Most Boeing planes now have sound enabled.
Added sound for gentle waves at the sea. You can hear this if you are close enough to the coast outside of your truck. :-)
Reworked helicopter and train sound range.

v15.3

1 new rural ambience sound added to array. Also silenced volume of some rural ambience in interior view.
Cleaner audio for various mover sounds.
Louder exterior gravel sound for external camera view now available.

Adapted to ETS2 1.24 and ATS 1.3 version of the game.
Reworked trailer decoupling sound - now has a longer duration with familiar sounds to real truck drivers (e.g. disconnecting trailer brake).

Interior rain sound more softer and more variable in raindrop volume as the weather changes. Occasional spray from tires can be heard just like in real life.

1 new rural ambience sound.
Quiet cricket ambience at farm delivery point to complement the farm animal sounds. [ETS2 edition]