dolby revision 226048
1193323Sed 2193323Sed#------------------------------------------------------------------------------ 3193323Sed# $File: dolby,v 1.5 2009/09/19 16:28:08 christos Exp $ 4193323Sed# ATSC A/53 aka AC-3 aka Dolby Digital <ashitaka@gmx.at> 5193323Sed# from http://www.atsc.org/standards/a_52a.pdf 6193323Sed# corrections, additions, etc. are always welcome! 7193323Sed# 8193323Sed# syncword 9193323Sed0 beshort 0x0b77 ATSC A/52 aka AC-3 aka Dolby Digital stream, 10193323Sed# fscod 11193323Sed>4 byte&0xc0 0x00 48 kHz, 12193323Sed>4 byte&0xc0 0x40 44.1 kHz, 13193323Sed>4 byte&0xc0 0x80 32 kHz, 14193323Sed# is this one used for 96 kHz? 15193323Sed>4 byte&0xc0 0xc0 reserved frequency, 16193323Sed# 17249423Sdim>5 byte&7 = 0 \b, complete main (CM) 18193323Sed>5 byte&7 = 1 \b, music and effects (ME) 19218893Sdim>5 byte&7 = 2 \b, visually impaired (VI) 20193323Sed>5 byte&7 = 3 \b, hearing impaired (HI) 21249423Sdim>5 byte&7 = 4 \b, dialogue (D) 22193323Sed>5 byte&7 = 5 \b, commentary (C) 23193323Sed>5 byte&7 = 6 \b, emergency (E) 24193323Sed# acmod 25193323Sed>6 byte&0xe0 0x00 1+1 front, 26193323Sed>6 byte&0xe0 0x20 1 front/0 rear, 27206083Srdivacky>6 byte&0xe0 0x40 2 front/0 rear, 28218893Sdim>6 byte&0xe0 0x60 3 front/0 rear, 29221345Sdim>6 byte&0xe0 0x80 2 front/1 rear, 30218893Sdim>6 byte&0xe0 0xa0 3 front/1 rear, 31193323Sed>6 byte&0xe0 0xc0 2 front/2 rear, 32203954Srdivacky>6 byte&0xe0 0xe0 3 front/2 rear, 33203954Srdivacky# lfeon (these may be incorrect) 34203954Srdivacky>7 byte&0x40 0x00 LFE off, 35203954Srdivacky>7 byte&0x40 0x40 LFE on, 36203954Srdivacky# 37221345Sdim>4 byte&0x3e = 0x00 \b, 32 kbit/s 38203954Srdivacky>4 byte&0x3e = 0x02 \b, 40 kbit/s 39203954Srdivacky>4 byte&0x3e = 0x04 \b, 48 kbit/s 40203954Srdivacky>4 byte&0x3e = 0x06 \b, 56 kbit/s 41203954Srdivacky>4 byte&0x3e = 0x08 \b, 64 kbit/s 42203954Srdivacky>4 byte&0x3e = 0x0a \b, 80 kbit/s 43203954Srdivacky>4 byte&0x3e = 0x0c \b, 96 kbit/s 44221345Sdim>4 byte&0x3e = 0x0e \b, 112 kbit/s 45203954Srdivacky>4 byte&0x3e = 0x10 \b, 128 kbit/s 46203954Srdivacky>4 byte&0x3e = 0x12 \b, 160 kbit/s 47203954Srdivacky>4 byte&0x3e = 0x14 \b, 192 kbit/s 48203954Srdivacky>4 byte&0x3e = 0x16 \b, 224 kbit/s 49203954Srdivacky>4 byte&0x3e = 0x18 \b, 256 kbit/s 50203954Srdivacky>4 byte&0x3e = 0x1a \b, 320 kbit/s 51221345Sdim>4 byte&0x3e = 0x1c \b, 384 kbit/s 52203954Srdivacky>4 byte&0x3e = 0x1e \b, 448 kbit/s 53203954Srdivacky>4 byte&0x3e = 0x20 \b, 512 kbit/s 54203954Srdivacky>4 byte&0x3e = 0x22 \b, 576 kbit/s 55221345Sdim>4 byte&0x3e = 0x24 \b, 640 kbit/s 56203954Srdivacky# dsurmod (these may be incorrect) 57203954Srdivacky>6 beshort&0x0180 0x0000 Dolby Surround not indicated 58203954Srdivacky>6 beshort&0x0180 0x0080 not Dolby Surround encoded 59203954Srdivacky>6 beshort&0x0180 0x0100 Dolby Surround encoded 60203954Srdivacky>6 beshort&0x0180 0x0180 reserved Dolby Surround mode 61218893Sdim