some experiments generating sound from time
probably sound completely different on different machines/soundcards

audio/pcmconv -iS32c1r600 </dev/bintime >/dev/audio #frog
audio/pcmconv -ia8c3r800 </dev/bintime >/dev/audio #windswept
audio/pcmconv -iS30c3r200 </dev/bintime >/dev/audio #drums
audio/pcmconv -iS7c2r800 </dev/bintime >/dev/audio #ambient
audio/pcmconv -iS18c2r800 </dev/bintime >/dev/audio #ambient crackle
audio/pcmconv -is25c2r800 </dev/bintime >/dev/audio #beeps
audio/pcmconv -iS23c2r400 </dev/bintime >/dev/audio #beat