aplay couldn`t run ....

i am trying 2 run aplay …

but getting following error…

dinesh@linux-hg8v:~> aplay -D dafault test.wav
ALSA lib pcm.c:2205:(snd_pcm_open_noupdate) Unknown PCM dafault
aplay: main:590: audio open error: No such file or directory

please somebody help me out…

thank you.