1. nonblocking 8-bit-clean pipe buffer bfr's purpose is to buffer data. It buffers from its standard input and/or a list of files of your choosing, and allows this data to flow to its standard output at whatever rate that end can handle. It's useful for any situation in which its beneficial to have I/O occur in a detached yet smooth fashion. Also contained is bfp, a buffering /dev/dsp writer. Pipe your raw PCM data to it, for skip-free bliss. From Debian 3.0r0 APT