database

There are 16,930 sound instances in our database with durations ranging 242 from 1 to 10 seconds, which correspond to (approximately) 15 hours of environmental 243 sounds. All sound files were converted into raw 16 bit encoding, mono-channel, and 16 244 kHz sampling rate, as various formats and rates were used in the original versions 245 retrieved from the web.本数据库共包含16930个音频样本，单条样本时长介于1秒至10秒之间，总时长约合15小时的环境声。由于从网络获取的原始音频版本采用了多样化的格式与采样参数，所有音频文件均被统一转换为原始16位编码、单声道以及16kHz采样率的格式。