At9tool.exe -

at9tool.exe -t -s data.txt -d device:/path/to/destination

Since at9tool.exe is an official Sony SDK tool, it is often found in unofficial "modding kits" on sites like GitHub or Reddit. Always ensure you are downloading from a reputable source like the AutoAT9Tools GitHub repository to avoid malware. at9tool.exe

The is a command-line utility used to encode and decode Sony’s ATRAC9 (.at9) audio format, which is primarily used for games and themes on the PlayStation Vita and PlayStation 4 . It is frequently utilized in the modding and homebrew communities for creating custom themes or extracting game audio . Core Functions at9tool