System requirements:

Windows XP / Vista / 7 / 8 / 8.1 / 10 (x86-x64)
Tested on 7x64., 7x32., xp x32., Vista x32

Start/delete:

Download the file Aura - to an empty folder, run.
Delete: Delete the shared folder with the program.

Features/Features:

Play real forest sounds;
Sound playback control with one click of the mouse on the program icon in the system panel;
Adjusting the activity of birds, insects, animals, wind, stream, fire, music;
The purpose of automatic change of sounds of the day and night forest with a given frequency, or at a specific time, or in accordance with the real time of the day;
The purpose of silent or sounding automatic start of the program when the computer is turned on;
Setting the start time of the sound after silent autostart or automatic silence;
Setting the time for automatic silence or quiet shutdown of the computer (for those who like to fall asleep to the sounds of the forest);
Setting the start time of the "alarm clock" - program or custom sounds;
Assignment of system program control keys;
Assigning the management interface language;
Modular Internet update (optional);
To identify the causes of possible problems, you can run the installed program with the debug parameter. Then error messages will be displayed and the program operation protocol will be kept in the debug file.txt;
The program is free for private and commercial use.

Sounds in the Aura:

Sound background of the daytime forest
Winged inhabitants of the daytime forest
Rooks and crows in the daytime forest
Woodpeckers
Cuckoos
Grasshoppers
Sound background of the night forest
Winged inhabitants of the night forest
Nightingales
Frogs
Beasts of the Night Forest
Close flights of birds
Close flights of insects
The wind in the forest
Stream and waterfall
Rain
Thunderclaps (sound only with rain!
Fire
Guitar
Accordion
Flute
Hourly sounds
Alarm sounds

New in version 2.8.5.194 :

version 2.8.5.194 - the program now does not use the services of Internet browsers to download and install updates - everything by itself, and even all at once; errors in the installation and removal system, in saving settings with account control (UAC) enabled, in displaying under Windows 10; night birds have been cleared of low-quality records and owls and owls have been noticeably replenished in them.

About Portable:

Does not require installation in the system.
The portable version of the program is made in VirtualBox 4.3.6.91406 with Windows 7x32 on VMware ThinApp 5.2.0 Build 3231342 Portable by KpoJIuK using a standard Windows notepad. Nothing has been changed, only the parts that are unnecessary in the portable program (the uninstaller) have been removed. Update functions are present, but an attempt will not update the program.
Please leave messages in case of defects, and so on, suggestions for improvement - in the comments, Your thoughts will be taken into consideration.