Twin directories of converters:

[DIR]  ftp://ftp.rhnet.is/pub/NetBSD/packages/current-packages/NetBSD/alpha/3.0_2007Q1/converters/
[DIR]  ftp://ftp.podolsk.ru/pub/FreeBSD/ports/i386/packages-6-stable/converters/
[DIR]  ftp://ftp.lucky.net/pub/FreeBSD/ports/i386/packages-6-stable/converters/
[DIR]  ftp://ftp.kaist.ac.kr/NetBSD/packages/current-src/pkgsrc/converters/
[DIR]  ftp://na.mirror.garr.it/pub/0/FreeBSD/ports/amd64/packages-7-current/converters/
[DIR]  ftp://ftp.kaist.ac.kr/FreeBSD/ports/amd64/packages-5-stable/converters/
[DIR]  ftp://ftp.kaist.ac.kr/FreeBSD/ports/i386/packages-6-stable/converters/
[DIR]  ftp://ftp.kaist.ac.kr/FreeBSD/ports/i386/packages-5-stable/converters/
[DIR]  ftp://ftp.farlep.net/pub/linux/sound/converters/
[DIR]  ftp://ftp.farlep.net/pub/Linux/sound/converters/
[DIR]  ftp://192.87.102.42/vol/1/netbsd/packages/current-packages/NetBSD/x86_64/4.99.x/converters/
[DIR]  ftp://ftp.esat.net/mirrors/.3/ftp.netbsd.org/pub/NetBSD/packages/current-packages/NetBSD/x86_64/4.99.x/converters/
[DIR]  ftp://ftp.kaist.ac.kr/FreeBSD/ports/amd64/packages-6-stable/converters/
[DIR]  ftp://192.87.102.42/vol/1/netbsd/packages/current-src/pkgsrc/converters/
[DIR]  ftp://ftp.sfc.wide.ad.jp/pub/FreeBSD/ports/amd64/packages-6-stable/converters/
[DIR]  ftp://ftp.sfc.wide.ad.jp/pub/FreeBSD/ports/amd64/packages-5-stable/converters/
[DIR]  ftp://ftp.au.netbsd.org/pub/NetBSD/NetBSD-current/pkgsrc/converters/
[DIR]  ftp://core.ring.gr.jp/pub/NetBSD/packages/current-packages/NetBSD/powerpc/3.1_2008Q1/converters/
[DIR]  ftp://core.ring.gr.jp/pub/NetBSD/packages/current-packages/NetBSD/mipsel/4.0_2008Q1/converters/
[DIR]  ftp://192.87.102.42/vol/1/netbsd/packages/current-packages/NetBSD/powerpc/3.1_2008Q1/converters/
[DIR]  ftp://ftp.andr.ru/pub/freebsd/ports/converters/
[DIR]  ftp://ftp.physics.uvt.ro/pub/FreeBSD/ports/i386/packages-6-stable/converters/
[DIR]  ftp://ftp.esat.net/mirrors/.3/ftp.netbsd.org/pub/NetBSD/packages/current-packages/NetBSD/powerpc/3.1_2008Q1/converters/
[DIR]  ftp://ftp.esat.net/mirrors/.3/ftp.netbsd.org/pub/NetBSD/packages/current-packages/NetBSD/mipsel/4.0_2008Q1/converters/
[DIR]  ftp://ftp.int.ru/.1/FreeBSD/development/FreeBSD-CVS/ports/converters/
[DIR]  ftp://ftp2.sk.freebsd.org/FreeBSD/development/FreeBSD-CVS/ports/converters/
[DIR]  ftp://ftp.esat.net/mirrors/.1/ftp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/converters/
[DIR]  ftp://ftp.gazi.edu.tr/mirrors/FreeBSD/development/FreeBSD-CVS/ports/converters/
[DIR]  ftp://ftp.lt.freebsd.org/pub/FreeBSD/ports/i386/packages-7-stable/converters/
[DIR]  ftp://ftp13.freebsd.org/cvsup/ncvs/ports/converters/
[DIR]  ftp://ftp.kaist.ac.kr/FreeBSD/ports/amd64/packages-7-current/converters/
[DIR]  ftp://ftp.rhnet.is/pub/NetBSD/packages/current-packages/NetBSD/alpha/4.0_2006Q4/converters/
[DIR]  ftp://ftp.lt.freebsd.org/pub/FreeBSD/ports/i386/packages-6-stable/converters/
[DIR]  ftp://192.87.102.42/vol/1/netbsd/packages/current-packages/NetBSD/m68k/4.0_2008Q1/converters/
[DIR]  ftp://192.87.102.42/vol/1/netbsd/packages/current-packages/NetBSD/mipsel/4.0_2008Q1/converters/
[DIR]  ftp://ftp.mathematik.uni-marburg.de/pub/mirror/freebsd/ports/i386/packages-6-stable/converters/
[DIR]  ftp://ftp.lt.freebsd.org/pub/FreeBSD/ports/amd64/packages-7-stable/converters/
[DIR]  ftp://ftp.desktopbsd.net/pub/FreeBSD/ports/i386/packages-6-stable/converters/
[DIR]  ftp://ftp2.sk.freebsd.org/FreeBSD/ports/i386/packages-7-stable/converters/
[DIR]  ftp://ftp.esat.net/mirrors/.1/ftp.freebsd.org/pub/FreeBSD/ports/i386/packages-7-stable/converters/
[DIR]  ftp://ftp.gazi.edu.tr/pub/FreeBSD/ports/i386/packages-7-stable/converters/
[DIR]  ftp://ftp.in2p3.fr/pub/FreeBSD/ports/i386/packages-7-stable/converters/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/i386/packages-7-stable/converters/
[DIR]  ftp://ftp.mgts.by/pub/FreeBSD/ports/i386/packages-7-stable/converters/
[DIR]  ftp://192.87.102.42/vol/3/freebsd-core/ports/i386/packages-7-stable/converters/
[DIR]  ftp://ftp2.sk.freebsd.org/FreeBSD/ports/i386/packages-6-stable/converters/
[DIR]  ftp://ftp.esat.net/mirrors/.1/ftp.freebsd.org/pub/FreeBSD/ports/i386/packages-6-stable/converters/
[DIR]  ftp://ftp.gazi.edu.tr/pub/FreeBSD/ports/i386/packages-6-stable/converters/
[DIR]  ftp://ftp.in2p3.fr/pub/FreeBSD/ports/i386/packages-6-stable/converters/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/i386/packages-6-stable/converters/