In addition to the normal .wav files, some sounds are also available in TrueSpeech format. They're indicated by a next to the .wav file name. These are compressed files that don't sound as good, but will play in real time, as you download them, so you can preview the sounds before comitting to a long download of the .wav file. To hear them in real time, you'll first need to download and install the TrueSpeech Audio Player. It's available for all Windows and Mac platforms.
Select the file name to download the .wav file, or the to hear a preview in real time.
alive.wav (67K) 22kHz sample 4sec