Электроника и проектирование. Тесты и обзоры электронных средств, инструментов, оборудования
Encoding: Converting standard WAV files into compressed .at9 files for use in games.
The tool is operated via the Command Prompt. A typical command to convert a file looks like this: at9tool.exe -e input.wav output.at9
If you find at9tool.exe on your system, it is usually located within a folder related to a specific game or a development environment. Under these circumstances, the file is perfectly safe and necessary for the software to function.
📢 This tool is essential for PlayStation-era audio engineering but requires a basic understanding of command-line interfaces to use effectively.
Decoding: Converting .at9 files back into playable .wav files.
However, like any executable file, it can be spoofed by malware. If you find this file in a suspicious location, such as C:\Windows or your Temp folder, and you do not have any Sony-related software installed, you should run a virus scan. A legitimate at9tool.exe will typically show Sony Interactive Entertainment as the digital solicitor in the file properties. Basic Command Examples