>      0.000531 ioctl(4, SNDCTL_DSP_RESET, 0) = 0
>      0.000232 ioctl(4, SNDCTL_DSP_GETFMTS, 0xbffff668) = 0
>      0.510506 ioctl(4, SNDCTL_DSP_SETFMT, 0xbffff668) = 0
>      0.506515 ioctl(4, SNDCTL_DSP_STEREO, 0xbffff668) = 0
>      0.504940 ioctl(4, SOUND_PCM_READ_RATE, 0xbffff668) = 0
>      0.065604 ioctl(4, SNDCTL_DSP_GETBLKSIZE, 0x80a5824) = 0
>      0.000302 ioctl(4, SNDCTL_DSP_SYNC, 0) = 0
>      0.000250 munmap(0x40016000, 4096)  = 0 



The output is from executing this line:

strace -r sox 01.wav -t ossdsp /dev/dsp

As each and every oss-program on my machine suffers from this unusual 
delay I think it doesn't make much sense to write a sample program, but 
anyway, it's attached.

Regards,

Lars.