Comment 3 for bug 223783

I just confirmed that this is also an issue with Debian Lenny/SID

joe@blogg:~$ sox --version
sox: SoX v14.0.1
joe@blogg:~$ cat /etc/debian_version
lenny/sid
joe@blogg:~$ uname -a
Linux papps02 2.6.16-2-686-smp #1 SMP Fri Aug 18 19:25:21 UTC 2006 i686 GNU/Linux
joe@blogg:~$ sox x.mp3 y.mp3 tempo 1.5
sox soxio: Can't open output file `y.mp3': SoX was compiled without MP3 encoding support
joe@blogg:~$ aptitude show libsox-fmt-all
Package: libsox-fmt-all
New: yes
State: installed
Automatically installed: no
Version: 14.0.1-2+b1
Priority: optional
Section: sound
Maintainer: Pascal Giard <email address hidden>
Uncompressed Size: 45.1k
Depends: libsox-fmt-base, libsox-fmt-ffmpeg, libsox-fmt-flac, libsox-fmt-gsm, libsox-fmt-mp3, libsox-fmt-ogg, libsox-fmt-sndfile,
         libsox-fmt-alsa, libsox-fmt-ao, libsox-fmt-oss
Description: All SoX format libraries
 SoX is the swiss army knife of sound processing.

 This is a meta package depending on all free SoX format libraries.
Homepage: http://sox.sourceforge.net

joe@blogg:~$ aptitude search sox | grep ^i
i libsox-fmt-all - All SoX format libraries
i A libsox-fmt-alsa - SoX alsa format I/O library
i A libsox-fmt-ao - SoX Libao format I/O library
i A libsox-fmt-base - Minimal set of SoX format libraries
i A libsox-fmt-ffmpeg - SoX ffmpeg format library
i A libsox-fmt-flac - SoX FLAC format library
i A libsox-fmt-gsm - SoX GSM format library
i A libsox-fmt-mp3 - SoX MP3 format library
i A libsox-fmt-ogg - SoX OGG Vorbis format library
i A libsox-fmt-oss - SoX OSS format I/O library
i A libsox-fmt-sndfile - SoX libsndfile format library
i A libsox0 - SoX library
i A sox - Swiss army knife of sound processing