commit: 95fc9cde4ca17edfeba2463212ba7fe30c84d25d
parent 00a40e41c473818e7c30b84f63bdae920b82f780
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date: Fri, 12 Mar 2021 12:38:45 +0100
man5x/au.5x: New manpage
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diff --git a/man5x/au.5x b/man5x/au.5x
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+.\" This file is part of Cross Unix Documentation
+.\" Copyright © 2019-2021 Haelwenn (lanodan) Monnier <contact@hacktivis.me>
+.\" SPDX-License-Identifier: CC-BY-4.0
+.Dd 2021-03-12
+.Dt AU 5x
+.Os
+.Sh PROLOG
+This manual page is part of
+.Lk https://hacktivis.me/git/cross-unix-documentation "Cross-Unix Documentation"
+which is an attempt to provide documentation of similarities and (noteworthy) differencies between Unix-like systems. To be used as an addition to the POSIX standard.
+.Sh NAME
+.Nm au
+.Nd AU/.snd Audio Format
+.Sh DESCRIPTION
+.Nm
+is a simple Audio Format that came from Sun/NeXT, it is widely supported on Unix systems.
+.Ss Header
+Each field are 32-bits big-endian integers.
+.Bl -tag -width Ds
+.It Magic-signature
+".snd" (0x2E736E64)
+.It Offset
+number of bytes the header contains
+.It Lenght
+0 or 0xFFFFFFFF for undefined
+.It Encoding
+refer to codecs section
+.It Sample rate
+in Hz
+.It Channels
+1 for mono, 2 for stereo, ...
+.El
+.Ss Codecs
+.Bl -tag -width Ds
+.It 01
+8-bit G.711 µ-law
+.It 02
+unsigned 8-bit linear PCM
+.It 03
+16-bit linear PCM
+.It 04
+24-bit linear PCM
+.It 05
+32-bit linear PCM
+.It 06
+32-bit IEEE floating point
+.It 07
+64-bit IEEE floating point
+.It 27
+8-bit G.711 A-law
+.El
+.Sh SOURCE
+.Bl -bullet -compact
+.It
+.Lk https://code.9front.org/hg/plan9front/file/default/sys/src/cmd/audio/sundec 9front's /sys/src/cmd/audio/sundec
+.It
+.Lk https://wiki.multimedia.cx/index.php/Au/snd Au/snd - MultimediaWiki
+.El
+.Sh AUTHORS
+.An Haelwenn (lanodan) Monnier Aq Mt contact+c-u-d@hacktivis.me
