#------------------------------------------------------------------------------
-# $File: audio,v 1.73 2015/03/15 23:21:42 christos Exp $
+# $File: audio,v 1.74 2015/10/26 19:57:01 christos Exp $
# audio: file(1) magic for sound formats (see also "iff")
#
# Jan Nicolai Langfeldt (janl@ifi.uio.no), Dan Quinlan (quinlan@yggdrasil.com),
0 string ZBOT
>4 byte 0xc5 GVOX Encore music, version < 5.0
+# Summary: Garmin Voice Processing Module (WAVE audios)
+# From: Joerg Jenderek
+# URL: http://www.garmin.com/
+# Reference: http://turboccc.wikispaces.com/share/view/28622555
+# NOTE: there exist 2 other Garmin VPM formats
+0 string AUDIMG
+# skip text files starting with string "AUDIMG"
+>13 ubyte <13 Garmin Voice Processing Module
+!:mime audio/x-vpm-wav-garmin
+!:ext vpm
+# 3 bytes indicating the voice version (200,220)
+>>6 string x \b, version %3.3s
+# day of release (01-31)
+>>12 ubyte x \b, %.2d
+# month of release (01-12)
+>>13 ubyte x \b.%.2d
+# year of release (like 2006, 2007, 2008)
+>>14 uleshort x \b.%.4d
+# hour of release (0-23)
+>>11 ubyte x %.2d
+# minute of release (0-59)
+>>10 ubyte x \b:%.2d
+# second of release (0-59)
+>>9 ubyte x \b:%.2d
+# if you select a language like german on your garmin device
+# you can only select voice modules with correponding language byte ID like 1
+>>18 ubyte x \b, language ID %d
+# pointer to 1st audio WAV sample
+>>16 uleshort >0
+>>>(16.s) ulelong >0 \b, at offset 0x%x
+# WAV length
+>>>>(16.s+4) ulelong >0 %d Bytes
+# look for magic
+>>>>>(&-8.l) string RIFF
+# determine type by ./riff
+>>>>>>&-4 indirect x \b
+# 2 - ~ 131 WAV samples following same way
+
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