Bunkers 声音库以在二战时期的旧避难所内录制的房间音调和环境为特色。索尼 PCM-M10 和 Sennheiser MKH 8040 在 ORTF 配置中插入 Sound Devices 702 录音机，录制了 23 个文件，总长度为 57 分钟。在掩体深处、走廊、生锈的旧水管内部和外部、掩体之间的小房间中捕获了环境。它包括房间色调，水从天花板滴落，小块墙壁落在地板上，风穿过被毁坏的墙壁。整个建筑群位于波兰，被称为狼巢。
Bunkers sound library features room tones and ambients recorded inside old World War II shelters. 23 files with total length of 57 minutes were recorded with Sony PCM-M10 and Sennheiser MKH 8040 plugged into Sound Devices 702 recorder in ORTF configuration. Ambients were captured in small rooms deep inside bunkers, in hallways, inside old rusty water pipes and outside, between bunkers. It includes room tones with water dripping from ceilings, small pieces of wall falling on the floor and wind getting through destroyed walls. The whole complex is located in Poland and it’s called Wolf’s Lair.