BRLTTY supports the following braille displays:
BRLTTY supports the following speech synthesizers:
Alva
BrailleLite
BrailleNote
CombiBraille
EcoBraille
ExternalSpeech
EuroBraille
Festival
GenericSay
HandyTech
LogText
MultiBraille
MDV
MiniBraille
no driver
Papenmeier
TelesensorySystemsInc
Televox
Vario/RBT (emulation 1)
VideoBraille
Vario/RBT (emulation 2)
Voyager
VisioBraille
ViaVoice
A standard braille cell consists of six dots arranged in two columns and three rows. Computer braille has introduced a fourth row at the bottom. Each dot can be specifically identified by its number as follows:
Row 1 (top) left.
Row 2 left.
Row 3 left.
Row 1 (top) right.
Row 2 right.
Row 3 right.
Row 4 (bottom) left.
Row 4 (bottom) right.
1 o o 4
2 o o 5
3 o o 6
7 o o 8
Num Hex Dots Description
+-----------------------------------------------------------------+
| 0 00 [7 4 8] NUL (null) |
| 1 01 [7 1 8] SOH (start of header) |
| 2 02 [7 21 8] STX (start of text) |
| 3 03 [7 14 8] ETX (end of text) |
| 4 04 [7 145 8] EOT (end of transmission) |
| 5 05 [7 1 5 8] ENQ (enquiry) |
| 6 06 [7 214 8] ACK (acknowledge) |
| 7 07 [7 2145 8] BEL (bell) |
| 8 08 [7 21 5 8] BS (back space) |
| 9 09 [7 2 4 8] HT (horizontal tab) |
| 10 0A [7 2 45 8] LF (line feed) |
| 11 0B [73 1 8] VT (vertical tab) |
| 12 0C [7321 8] FF (form feed) |
| 13 0D [73 14 8] CR (carriage return) |
| 14 0E [73 145 8] SO (shift out) |
| 15 0F [73 1 5 8] SI (shift in) |
| 16 10 [73214 8] DLE (data link escape) |
| 17 11 [732145 8] DC1 (direct control 1) |
| 18 12 [7321 5 8] DC2 (direct control 2) |
| 19 13 [732 4 8] DC3 (direct control 3) |
| 20 14 [732 45 8] DC4 (direct control 4) |
| 21 15 [73 1 68] NAK (negative acknowledge) |
| 22 16 [7321 68] SYN (synchronize) |
| 23 17 [7 2 4568] ETB (end of text block) |
| 24 18 [73 14 68] CAN (cancel) |
| 25 19 [73 14568] EM (end of medium) |
| 26 1A [73 1 568] SUB (substitute) |
| 27 1B [7 2 4 68] ESC (escape) |
| 28 1C [7 21 568] FS (file separator) |
| 29 1D [7 214568] GS (group separator) |
| 30 1E [7 45 8] RS (record separator) |
| 31 1F [7 4568] US (unit separator) |
| 32 20 [ ] space |
| 33 21 [ 32 4 6 ] exclamation point |
| 34 22 [ 5 ] quotation mark |
| 35 23 [ 3 456 ] number sign |
| 36 24 [ 214 6 ] dollar sign |
| 37 25 [ 14 6 ] percent sign |
| 38 26 [ 3214 6 ] ampersand |
| 39 27 [ 3 ] acute accent |
| 40 28 [ 321 56 ] left parenthesis |
| 4 291 [ 32 456 ) right parenthesis |
| 42 2A [ 1 6 ] asterisk |
| 43 2B [ 3 4 6 ] plus sign |
| 44 2C [ 6 ] comma |
| 45 2D [ 3 6 ] minus sign |
| 46 2E [ 4 6 ] period |
| 47 2F [ 3 4 ] forward slash |
| 48 30 [ 3 56 ] zero |
| 49 31 [ 2 ] one |
| 50 32 [ 32 ] two |
| 51 33 [ 2 5 ] three |
| 52 34 [ 2 56 ] four |
| 53 35 [ 2 6 ] five |
| 54 36 [ 32 5 ] six |
| 55 37 [ 32 56 ] seven |
| 56 38 [ 32 6 ] eight |
| 57 39 [ 3 5 ] nine |
| 58 3A [ 1 56 ] colon |
| 59 3B [ 56 ] semicolon |
| 60 3C [ 21 6 ] less-than sign |
| 61 3D [ 321456 ] equals sign |
| 62 3E [ 3 45 ] greater-than sign |
| 63 3F [ 1456 ] question mark |
| 64 40 [7 4 ] commercial at |
| 65 41 [7 1 ] capital a |
| 66 42 [7 21 ] capital b |
| 67 43 [7 14 ] capital c |
| 68 44 [7 145 ] capital d |
| 69 45 [7 1 5 ] capital e |
| 70 46 [7 214 ] capital f |
| 71 47 [7 2145 ] capital g |
| 72 48 [7 21 5 ] capital h |
| 73 49 [7 2 4 ] capital i |
| 74 4A [7 2 45 ] capital j |
| 75 4B [73 1 ] capital k |
| 76 4C [7321 ] capital l |
| 77 4D [73 14 ] capital m |
| 78 4E [73 145 ] capital n |
| 79 4F [73 1 5 ] capital o |
| 80 50 [73214 ] capital p |
| 81 51 [732145 ] capital q |
| 82 52 [7321 5 ] capital r |
| 83 53 [732 4 ] capital s |
| 84 54 [732 45 ] capital t |
| 85 55 [73 1 6 ] capital u |
| 86 56 [7321 6 ] capital v |
| 87 57 [7 2 456 ] capital w |
| 88 58 [73 14 6 ] capital x |
| 89 59 [73 1456 ] capital y |
| 90 5A [73 1 56 ] capital z |
| 91 5B [7 2 4 6 ] left bracket |
| 92 5C [7 21 56 ] backward slash |
| 93 5D [7 21456 ] right bracket |
| 94 5E [7 45 ] circumflex accent |
| 95 5F [ 456 ] underscore |
| 96 60 [ 4 ] grave accent |
| 97 61 [ 1 ] small a |
| 98 62 [ 21 ] small b |
| 99 63 [ 14 ] small c |
| 100 64 [ 145 ] small d |
| 101 65 [ 1 5 ] small e |
| 102 66 [ 214 ] small f |
| 103 67 [ 2145 ] small g |
| 104 68 [ 21 5 ] small h |
| 105 69 [ 2 4 ] small i |
| 106 6A [ 2 45 ] small j |
| 107 6B [ 3 1 ] small k |
| 108 6C [ 321 ] small l |
| 109 6D [ 3 14 ] small m |
| 110 6E [ 3 145 ] small n |
| 111 6F [ 3 1 5 ] small o |
| 112 70 [ 3214 ] small p |
| 113 71 [ 32145 ] small q |
| 114 72 [ 321 5 ] small r |
| 115 73 [ 32 4 ] small s |
| 116 74 [ 32 45 ] small t |
| 117 75 [ 3 1 6 ] small u |
| 118 76 [ 321 6 ] small v |
| 119 77 [ 2 456 ] small w |
| 120 78 [ 3 14 6 ] small x |
| 121 79 [ 3 1456 ] small y |
| 122 7A [ 3 1 56 ] small z |
| 123 7B [ 2 4 6 ] left brace |
| 124 7C [ 21 56 ] vertical bar |
| 125 7D [ 21456 ] right brace |
| 126 7E [ 45 ] tilde accent |
| 127 7F [7 456 ] DEL (delete) |
| 128 80 [7 2 6 ] <control> |
| 129 81 [ 3 14 68] <control> |
| 130 82 [ 2 568] BPH (break permitted here) |
| 131 83 [ 2 5 8] NBH (no break here) |
| 132 84 [73 5 ] <control> |
| 133 85 [ 1 8] NL (next line) |
| 134 86 [ 32 4 8] SSA (start of selected area) |
| 135 87 [ 32 45 8] ESA (end of selected area) |
| 136 88 [ 3 568] CTS (character tabulation set) |
| 137 89 [ 145 8] CTJ (character tabulation justification) |
| 138 8A [ 32 5 8] LTS (line tabulation set) |
| 139 8B [7 5 8] PLD (partial line down) |
| 140 8C [ 1 5 8] PLU (partial line up) |
| 141 8D [732 4 68] RLF (reverse line feed) |
| 142 8E [7 6 ] SS2 (single shift two) |
| 143 8F [7 214 6 ] SS3 (single shift three) |
| 144 90 [732 56 ] DCS (device control string) |
| 145 91 [ 2 68] PU1 (private use one) |
| 146 92 [ 68] PU2 (private use two) |
| 147 93 [73 4 ] STS (set transmit state) |
| 148 94 [73 5 8] CC (cancel character) |
| 149 95 [ 45 8] MW (message waiting) |
| 150 96 [7 14 6 ] SGA (start of guarded area) |
| 151 97 [ 4 8] EGA (end of guarded area) |
| 152 98 [732 456 ] SS (start of string) |
| 153 99 [ 3 1 5 8] <control> |
| 154 9A [7 21 6 ] SCI (single character introducer) |
| 155 9B [ 568] CSI (control sequence introducer) |
| 156 9C [ 3 68] ST (string terminator) |
| 157 9D [73 4 6 ] OSC (operating system command) |
| 158 9E [732 5 ] PM (privacy message) |
| 159 9F [7 214 68] APC (application program command) |
| 160 A0 [7 ] no-break space |
| 161 A1 [73 6 ] inverted exclamation mark |
| 162 A2 [ 5 8] cent sign |
| 163 A3 [7 4 6 ] pound sign |
| 164 A4 [73 68] currency sign |
| 165 A5 [ 4 68] yen sign |
| 166 A6 [7 2 68] broken bar |
| 167 A7 [73214568] section sign |
| 168 A8 [7 2 8] diaeresis |
| 169 A9 [7 1456 ] copyright sign |
| 170 AA [ 21 5 8] feminine ordinal indicator |
| 171 AB [7321 568] left-pointing double angle quotation mark |
| 172 AC [7 2 568] not sign |
| 173 AD [732 4 6 ] soft hyphen |
| 174 AE [7 4 68] registered sign |
| 175 AF [ 2145 8] macron |
| 176 B0 [ 4568] degree sign |
| 177 B1 [732 5 8] plus-minus sign |
| 178 B2 [ 21 8] superscript two |
| 179 B3 [732 ] superscript three |
| 180 B4 [ 3 1 568] acute accent |
| 181 B5 [ 3 14 8] micro sign |
| 182 B6 [73214568] pilcrow sign |
| 183 B7 [73 ] middle dot |
| 184 B8 [ 14 8] cedilla |
| 185 B9 [7321 56 ] superscript one |
| 186 BA [ 2 45 8] masculine ordinal indicator |
| 187 BB [732 4568] right-pointing double angle quotation mark |
| 188 BC [ 3 1 68] vulgar fraction one quarter |
| 189 BD [ 321 68] vulgar fraction one half |
| 190 BE [73 4 68] vulgar fraction three quarters |
| 191 BF [ 3 8] inverted question mark |
| 192 C0 [73 8] capital a grave |
| 193 C1 [7 2 ] capital a acute |
| 194 C2 [ 3 1 8] capital a circumflex |
| 195 C3 [732 6 ] capital a tilde |
| 196 C4 [7 56 ] capital a diaeresis |
| 197 C5 [73 456 ] capital a ring above |
| 198 C6 [73 45 ] capital ae |
| 199 C7 [73214 6 ] capital c cedilla |
| 200 C8 [732 8] capital e grave |
| 201 C9 [ 32 8] capital e acute |
| 202 CA [ 8] capital e circumflex |
| 203 CB [ 32145 8] capital e diaeresis |
| 204 CC [ 214 8] capital i grave |
| 205 CD [7 2 5 8] capital i acute |
| 206 CE [7 568] capital i circumflex |
| 207 CF [7 1 6 ] capital i diaeresis |
| 208 D0 [7 5 ] capital eth |
| 209 D1 [7 2 56 ] capital n tilde |
| 210 D2 [ 2 8] capital o grave |
| 211 D3 [ 321 8] capital o acute |
| 212 D4 [ 2 4 8] capital o circumflex |
| 213 D5 [ 3214 68] capital o tilde |
| 214 D6 [ 3 5 8] capital o diaeresis |
| 215 D7 [ 321 5 8] multiplication sign |
| 216 D8 [73 56 ] capital o stroke |
| 217 D9 [7 68] capital u grave |
| 218 DA [7 2 5 ] capital u acute |
| 219 DB [73214568] capital u circumflex |
| 220 DC [ 32 68] capital u diaeresis |
| 221 DD [732 68] capital y acute |
| 222 DE [73 568] capital thorn |
| 223 DF [ 3 4568] small sharp s |
| 224 E0 [ 321 568] small a grave |
| 225 E1 [ 1 68] small a acute |
| 226 E2 [7 1 68] small a circumflex |
| 227 E3 [ 3214 8] small a tilde |
| 228 E4 [ 3 45 8] small a diaeresis |
| 229 E5 [73 4568] small a ring above |
| 230 E6 [73 45 8] small ae |
| 231 E7 [73214 68] small c cedilla |
| 232 E8 [ 32 4 68] small e grave |
| 233 E9 [ 21 68] small e acute |
| 234 EA [7 21 68] small e circumflex |
| 235 EB [ 214 68] small e diaeresis |
| 236 EC [ 3 4 8] small i grave |
| 237 ED [ 14 68] small i acute |
| 238 EE [7 14 68] small i circumflex |
| 239 EF [ 214568] small i diaeresis |
| 240 F0 [ 32 568] small eth |
| 241 F1 [ 3 145 8] small n tilde |
| 242 F2 [ 3 4 68] small o grave |
| 243 F3 [ 14568] small o acute |
| 244 F4 [7 14568] small o circumflex |
| 245 F5 [7 1 56 ] small o tilde |
| 246 F6 [ 2 4 68] small o diaeresis |
| 247 F7 [73 4 8] division sign |
| 248 F8 [7 8] small o stroke |
| 249 F9 [ 32 4568] small u grave |
| 250 FA [ 1 568] small u acute |
| 251 FB [7 1 568] small u circumflex |
| 252 FC [ 21 568] small u diaeresis |
| 253 FD [732 568] small y acute |
| 254 FE [7321456 ] small thorn |
| 255 FF [ 3214568] small y diaeresis |
+-----------------------------------------------------------------+
Acoustic Grand Piano
Bright Acoustic Piano
Electric Grand Piano
Honky-tonk Piano
Electric Piano 1
Electric Piano 2
Harpsichord
Clavi
Celesta
Glockenspiel
Music Box
Vibraphone
Marimba
Xylophone
Tubular Bells
Dulcimer
Drawbar Organ
Percussive Organ
Rock Organ
Church Organ
Reed Organ
Accordion
Harmonica
Tango Accordion
Nylon Acoustic Guitar
Steel Acoustic Guitar
Jazz Electric Guitar
Clean Electric Guitar
Muted Electric Guitar
Overdriven Guitar
Distortion Guitar
Guitar Harmonics
Acoustic Bass
Finger Electric Bass
Pick Electric Bass
Fretless Bass
Slap Bass 1
Slap Bass 2
Synth Bass 1
Synth Bass 2
Violin
Viola
Cello
Contrabass
Tremolo Strings
Pizzicato Strings
Orchestral Harp
Timpani
String Ensemble 1
String Ensemble 2
Synth Strings 1
Synth Strings 2
Choir Aahs
Voice Oohs
Synth Voice
Orchestra Hit
Trumpet
Trombone
Tuba
Muted Trumpet
French Horn
Brass Section
Synth Brass 1
Synth Brass 2
Soprano Saxophone
Alto Saxophone
Tenor Saxophone
Baritone Saxophone
Oboe
English Horn
Bassoon
Clarinet
Piccolo
Flute
Recorder
Pan Flute
Blown Bottle
Shakuhachi
Whistle
Ocarina
Lead 1 (square)
Lead 2 (sawtooth)
Lead 3 (calliope)
Lead 4 (chiff)
Lead 5 (charang)
Lead 6 (voice)
Lead 7 (fifths)
Lead 8 (bass + lead)
Pad 1 (new age)
Pad 2 (warm)
Pad 3 (polysynth)
Pad 4 (choir)
Pad 5 (bowed)
Pad 6 (metallic)
Pad 7 (halo)
Pad 8 (sweep)
FX 1 (rain)
FX 2 (soundtrack)
FX 3 (crystal)
FX 4 (atmosphere)
FX 5 (brightness)
FX 6 (goblins)
FX 7 (echoes)
FX 8 (science-fiction)
Sitar
Banjo
Shamisen
Koto
Kalimba
Bag Pipe
Fiddle
Shanai
Tinkle Bell
Agogo
Steel Drum
Wooden Block
Taiko Drum
Melodic Tom
Synth Drum
Reverse Cymbal
Guitar Fret Noise
Breath Noise
Seashore
Bird Tweet
Telephone Ring
Helicopter
Applause
Gunshot