The 1978 Japanese Yamaha ET 340 snowmobile sound collection gathers 174 clips in 8.47 gigabytes of field recordings. It showcases the sound of a 338cc, 2 stroke, 2 cylinder engine in 23 channels of audio.
The sound pack includes 9 synchronized takes of onboard and exterior driving. The 11 onboard perspectives features recordings from the engine, exhaust, and front shield while the skimobile drives with steady RPMs and ramps. The 5 exterior perspectives arrange microphones at three positions to capture driving at slow and fast speeds on straightaways and around corners. The package also includes custom mixes of the onboard perspectives as wells as performed effects of switches, the throttle, and more.
Each sound is embedded with with seven languages of Soundminer, iXML, BWAV and Mac OS Finder metadata.