ref: 8bf24b7ffafb8591a32b940fc2911222ee3c75f0
parent: d7b75b7ca5c3d59c4a3ae01d48b8a507b02c8497
author: cbagwell <cbagwell>
date: Tue Oct 21 22:55:52 EDT 2008
Update on aiff-c format.
--- a/soxformat.7
+++ b/soxformat.7
@@ -103,7 +103,7 @@
Amiga 8SVX musical instrument description format.
.TP
\&\fB.aiff\fR, \fB.aif\fR (also with \fB\-t sndfile\fR)
-AIFF files used on Apple IIc/IIgs and SGI.
+AIFF files used on Apple Macs as well as older Apple IIc/IIgs and SGI.
Currently, SoX's AIFF support does not include multiple audio chunks,
or the 8SVX musical instrument description format.
AIFF files are multimedia archives and
@@ -111,11 +111,22 @@
You may need a separate archiver to work with them.
.TP
\&\fB.aiffc\fR, \fB.aifc\fR (also with \fB\-t sndfile\fR)
-AIFF-C (not compressed, linear), defined in DAVIC 1.4 Part 9 Annex B.
+AIFF-C is a format based on AIFF that was created to allow
+handling compressed audio. It can also handle little
+endian uncompressed linear data that is often referred to
+as
+.B sowt
+encoding. This encoding has also become the defacto format produced by modern
+Macs as well as iTunes on any platform. AIFF-C files produced
+by other applications typically have the file extension .aif and
+require looking at its header to detect the true format.
+The
+.B sowt
+encoding is the only encoding that SoX can handle with this format.
+.SP
+AIFF-C is defined in DAVIC 1.4 Part 9 Annex B.
This format is referred from ARIB STD-B24, which is specified for
Japanese data broadcasting. Any private chunks are not supported.
-.SP
-Note: The input file is currently processed as .aiff.
.TP
\fBalsa\fR (optional)
Advanced Linux Sound Architecture device driver; supports both playing and