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Linux/Documentation/sound/cards/audigy-mixer.rst

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Diff markup

Differences between /Documentation/sound/cards/audigy-mixer.rst (Architecture mips) and /Documentation/sound/cards/audigy-mixer.rst (Architecture sparc)


  1 =============================================       1 =============================================
  2 Sound Blaster Audigy mixer / default DSP code       2 Sound Blaster Audigy mixer / default DSP code
  3 =============================================       3 =============================================
  4                                                     4 
  5 This is based on sb-live-mixer.rst.                 5 This is based on sb-live-mixer.rst.
  6                                                     6 
  7 The EMU10K2 chips have a DSP part which can be      7 The EMU10K2 chips have a DSP part which can be programmed to support 
  8 various ways of sample processing, which is de      8 various ways of sample processing, which is described here.
  9 (This article does not deal with the overall f      9 (This article does not deal with the overall functionality of the 
 10 EMU10K2 chips. See the manuals section for fur     10 EMU10K2 chips. See the manuals section for further details.)
 11                                                    11 
 12 The ALSA driver programs this portion of chip      12 The ALSA driver programs this portion of chip by default code
 13 (can be altered later) which offers the follow     13 (can be altered later) which offers the following functionality:
 14                                                    14 
 15                                                    15 
 16 Digital mixer controls                             16 Digital mixer controls
 17 ======================                             17 ======================
 18                                                    18 
 19 These controls are built using the DSP instruc     19 These controls are built using the DSP instructions. They offer extended
 20 functionality. Only the default built-in code      20 functionality. Only the default built-in code in the ALSA driver is described
 21 here. Note that the controls work as attenuato     21 here. Note that the controls work as attenuators: the maximum value is the 
 22 neutral position leaving the signal unchanged.     22 neutral position leaving the signal unchanged. Note that if the same destination
 23 is mentioned in multiple controls, the signal      23 is mentioned in multiple controls, the signal is accumulated and can be clipped
 24 (set to maximal or minimal value without check     24 (set to maximal or minimal value without checking for overflow).
 25                                                    25 
 26                                                    26 
 27 Explanation of used abbreviations:                 27 Explanation of used abbreviations:
 28                                                    28 
 29 DAC                                                29 DAC
 30         digital to analog converter                30         digital to analog converter
 31 ADC                                                31 ADC
 32         analog to digital converter                32         analog to digital converter
 33 I2S                                                33 I2S
 34         one-way three wire serial bus for digi     34         one-way three wire serial bus for digital sound by Philips Semiconductors
 35         (this standard is used for connecting      35         (this standard is used for connecting standalone D/A and A/D converters)
 36 LFE                                                36 LFE
 37         low frequency effects (used as subwoof     37         low frequency effects (used as subwoofer signal)
 38 AC97                                               38 AC97
 39         a chip containing an analog mixer, D/A     39         a chip containing an analog mixer, D/A and A/D converters
 40 IEC958                                             40 IEC958
 41         S/PDIF                                     41         S/PDIF
 42 FX-bus                                             42 FX-bus
 43         the EMU10K2 chip has an effect bus con     43         the EMU10K2 chip has an effect bus containing 64 accumulators.
 44         Each of the synthesizer voices can fee     44         Each of the synthesizer voices can feed its output to these accumulators
 45         and the DSP microcontroller can operat     45         and the DSP microcontroller can operate with the resulting sum.
 46                                                    46 
 47 name='PCM Front Playback Volume',index=0           47 name='PCM Front Playback Volume',index=0
 48 ----------------------------------------           48 ----------------------------------------
 49 This control is used to attenuate samples from     49 This control is used to attenuate samples from left and right front PCM FX-bus
 50 accumulators. ALSA uses accumulators 8 and 9 f     50 accumulators. ALSA uses accumulators 8 and 9 for left and right front PCM 
 51 samples for 5.1 playback. The result samples a     51 samples for 5.1 playback. The result samples are forwarded to the front speakers.
 52                                                    52 
 53 name='PCM Surround Playback Volume',index=0        53 name='PCM Surround Playback Volume',index=0
 54 -------------------------------------------        54 -------------------------------------------
 55 This control is used to attenuate samples from     55 This control is used to attenuate samples from left and right surround PCM FX-bus
 56 accumulators. ALSA uses accumulators 2 and 3 f     56 accumulators. ALSA uses accumulators 2 and 3 for left and right surround PCM 
 57 samples for 5.1 playback. The result samples a     57 samples for 5.1 playback. The result samples are forwarded to the surround (rear)
 58 speakers.                                          58 speakers.
 59                                                    59 
 60 name='PCM Side Playback Volume',index=0            60 name='PCM Side Playback Volume',index=0
 61 ---------------------------------------            61 ---------------------------------------
 62 This control is used to attenuate samples from     62 This control is used to attenuate samples from left and right side PCM FX-bus
 63 accumulators. ALSA uses accumulators 14 and 15     63 accumulators. ALSA uses accumulators 14 and 15 for left and right side PCM
 64 samples for 7.1 playback. The result samples a     64 samples for 7.1 playback. The result samples are forwarded to the side speakers.
 65                                                    65 
 66 name='PCM Center Playback Volume',index=0          66 name='PCM Center Playback Volume',index=0
 67 -----------------------------------------          67 -----------------------------------------
 68 This control is used to attenuate samples from     68 This control is used to attenuate samples from center PCM FX-bus accumulator.
 69 ALSA uses accumulator 6 for center PCM samples     69 ALSA uses accumulator 6 for center PCM samples for 5.1 playback. The result
 70 samples are forwarded to the center speaker.       70 samples are forwarded to the center speaker.
 71                                                    71 
 72 name='PCM LFE Playback Volume',index=0             72 name='PCM LFE Playback Volume',index=0
 73 --------------------------------------             73 --------------------------------------
 74 This control is used to attenuate sample for L     74 This control is used to attenuate sample for LFE PCM FX-bus accumulator. 
 75 ALSA uses accumulator 7 for LFE PCM samples fo     75 ALSA uses accumulator 7 for LFE PCM samples for 5.1 playback. The result
 76 samples are forwarded to the subwoofer.            76 samples are forwarded to the subwoofer.
 77                                                    77 
 78 name='PCM Playback Volume',index=0                 78 name='PCM Playback Volume',index=0
 79 ----------------------------------                 79 ----------------------------------
 80 This control is used to attenuate samples from     80 This control is used to attenuate samples from left and right PCM FX-bus
 81 accumulators. ALSA uses accumulators 0 and 1 f     81 accumulators. ALSA uses accumulators 0 and 1 for left and right PCM samples for
 82 stereo playback. The result samples are forwar     82 stereo playback. The result samples are forwarded to the front speakers.
 83                                                    83 
 84 name='PCM Capture Volume',index=0                  84 name='PCM Capture Volume',index=0
 85 ---------------------------------                  85 ---------------------------------
 86 This control is used to attenuate samples from     86 This control is used to attenuate samples from left and right PCM FX-bus
 87 accumulators. ALSA uses accumulators 0 and 1 f     87 accumulators. ALSA uses accumulators 0 and 1 for left and right PCM samples for
 88 stereo playback. The result is forwarded to th     88 stereo playback. The result is forwarded to the standard capture PCM device.
 89                                                    89 
 90 name='Music Playback Volume',index=0               90 name='Music Playback Volume',index=0
 91 ------------------------------------               91 ------------------------------------
 92 This control is used to attenuate samples from     92 This control is used to attenuate samples from left and right MIDI FX-bus
 93 accumulators. ALSA uses accumulators 4 and 5 f     93 accumulators. ALSA uses accumulators 4 and 5 for left and right MIDI samples.
 94 The result samples are forwarded to the virtua     94 The result samples are forwarded to the virtual stereo mixer.
 95                                                    95 
 96 name='Music Capture Volume',index=0                96 name='Music Capture Volume',index=0
 97 -----------------------------------                97 -----------------------------------
 98 These controls are used to attenuate samples f     98 These controls are used to attenuate samples from left and right MIDI FX-bus
 99 accumulator. ALSA uses accumulators 4 and 5 fo     99 accumulator. ALSA uses accumulators 4 and 5 for left and right MIDI samples.
100 The result is forwarded to the standard captur    100 The result is forwarded to the standard capture PCM device.
101                                                   101 
102 name='Mic Playback Volume',index=0                102 name='Mic Playback Volume',index=0
103 ----------------------------------                103 ----------------------------------
104 This control is used to attenuate samples from    104 This control is used to attenuate samples from left and right Mic input of
105 the AC97 codec. The result samples are forward    105 the AC97 codec. The result samples are forwarded to the virtual stereo mixer.
106                                                   106 
107 name='Mic Capture Volume',index=0                 107 name='Mic Capture Volume',index=0
108 ---------------------------------                 108 ---------------------------------
109 This control is used to attenuate samples from    109 This control is used to attenuate samples from left and right Mic input of
110 the AC97 codec. The result is forwarded to the    110 the AC97 codec. The result is forwarded to the standard capture PCM device.
111                                                   111 
112 The original samples are also forwarded to the    112 The original samples are also forwarded to the Mic capture PCM device (device 1;
113 16bit/8KHz mono) without volume control.          113 16bit/8KHz mono) without volume control.
114                                                   114 
115 name='Audigy CD Playback Volume',index=0          115 name='Audigy CD Playback Volume',index=0
116 ----------------------------------------          116 ----------------------------------------
117 This control is used to attenuate samples from    117 This control is used to attenuate samples from left and right IEC958 TTL
118 digital inputs (usually used by a CDROM drive)    118 digital inputs (usually used by a CDROM drive). The result samples are
119 forwarded to the virtual stereo mixer.            119 forwarded to the virtual stereo mixer.
120                                                   120 
121 name='Audigy CD Capture Volume',index=0           121 name='Audigy CD Capture Volume',index=0
122 ---------------------------------------           122 ---------------------------------------
123 This control is used to attenuate samples from    123 This control is used to attenuate samples from left and right IEC958 TTL
124 digital inputs (usually used by a CDROM drive)    124 digital inputs (usually used by a CDROM drive). The result is forwarded
125 to the standard capture PCM device.               125 to the standard capture PCM device.
126                                                   126 
127 name='IEC958 Optical Playback Volume',index=0     127 name='IEC958 Optical Playback Volume',index=0
128 ---------------------------------------------     128 ---------------------------------------------
129 This control is used to attenuate samples from    129 This control is used to attenuate samples from left and right IEC958 optical
130 digital input. The result samples are forwarde    130 digital input. The result samples are forwarded to the virtual stereo mixer.
131                                                   131 
132 name='IEC958 Optical Capture Volume',index=0      132 name='IEC958 Optical Capture Volume',index=0
133 --------------------------------------------      133 --------------------------------------------
134 This control is used to attenuate samples from    134 This control is used to attenuate samples from left and right IEC958 optical
135 digital inputs. The result is forwarded to the    135 digital inputs. The result is forwarded to the standard capture PCM device.
136                                                   136 
137 name='Line2 Playback Volume',index=0              137 name='Line2 Playback Volume',index=0
138 ------------------------------------              138 ------------------------------------
139 This control is used to attenuate samples from    139 This control is used to attenuate samples from left and right I2S ADC
140 inputs (on the AudigyDrive). The result sample    140 inputs (on the AudigyDrive). The result samples are forwarded to the virtual
141 stereo mixer.                                     141 stereo mixer.
142                                                   142 
143 name='Line2 Capture Volume',index=1               143 name='Line2 Capture Volume',index=1
144 -----------------------------------               144 -----------------------------------
145 This control is used to attenuate samples from    145 This control is used to attenuate samples from left and right I2S ADC
146 inputs (on the AudigyDrive). The result is for    146 inputs (on the AudigyDrive). The result is forwarded to the standard capture
147 PCM device.                                       147 PCM device.
148                                                   148 
149 name='Analog Mix Playback Volume',index=0         149 name='Analog Mix Playback Volume',index=0
150 -----------------------------------------         150 -----------------------------------------
151 This control is used to attenuate samples from    151 This control is used to attenuate samples from left and right I2S ADC
152 inputs from Philips ADC. The result samples ar    152 inputs from Philips ADC. The result samples are forwarded to the virtual
153 stereo mixer. This contains mix from analog so    153 stereo mixer. This contains mix from analog sources like CD, Line In, Aux, ....
154                                                   154 
155 name='Analog Mix Capture Volume',index=1          155 name='Analog Mix Capture Volume',index=1
156 ----------------------------------------          156 ----------------------------------------
157 This control is used to attenuate samples from    157 This control is used to attenuate samples from left and right I2S ADC
158 inputs Philips ADC. The result is forwarded to    158 inputs Philips ADC. The result is forwarded to the standard capture PCM device.
159                                                   159 
160 name='Aux2 Playback Volume',index=0               160 name='Aux2 Playback Volume',index=0
161 -----------------------------------               161 -----------------------------------
162 This control is used to attenuate samples from    162 This control is used to attenuate samples from left and right I2S ADC
163 inputs (on the AudigyDrive). The result sample    163 inputs (on the AudigyDrive). The result samples are forwarded to the virtual
164 stereo mixer.                                     164 stereo mixer.
165                                                   165 
166 name='Aux2 Capture Volume',index=1                166 name='Aux2 Capture Volume',index=1
167 ----------------------------------                167 ----------------------------------
168 This control is used to attenuate samples from    168 This control is used to attenuate samples from left and right I2S ADC
169 inputs (on the AudigyDrive). The result is for    169 inputs (on the AudigyDrive). The result is forwarded to the standard capture
170 PCM device.                                       170 PCM device.
171                                                   171 
172 name='Front Playback Volume',index=0              172 name='Front Playback Volume',index=0
173 ------------------------------------              173 ------------------------------------
174 This control is used to attenuate samples from    174 This control is used to attenuate samples from the virtual stereo mixer.
175 The result samples are forwarded to the front     175 The result samples are forwarded to the front speakers.
176                                                   176 
177 name='Surround Playback Volume',index=0           177 name='Surround Playback Volume',index=0
178 ---------------------------------------           178 ---------------------------------------
179 This control is used to attenuate samples from    179 This control is used to attenuate samples from the virtual stereo mixer.
180 The result samples are forwarded to the surrou    180 The result samples are forwarded to the surround (rear) speakers.
181                                                   181 
182 name='Side Playback Volume',index=0               182 name='Side Playback Volume',index=0
183 -----------------------------------               183 -----------------------------------
184 This control is used to attenuate samples from    184 This control is used to attenuate samples from the virtual stereo mixer.
185 The result samples are forwarded to the side s    185 The result samples are forwarded to the side speakers.
186                                                   186 
187 name='Center Playback Volume',index=0             187 name='Center Playback Volume',index=0
188 -------------------------------------             188 -------------------------------------
189 This control is used to attenuate samples from    189 This control is used to attenuate samples from the virtual stereo mixer.
190 The result samples are forwarded to the center    190 The result samples are forwarded to the center speaker.
191                                                   191 
192 name='LFE Playback Volume',index=0                192 name='LFE Playback Volume',index=0
193 ----------------------------------                193 ----------------------------------
194 This control is used to attenuate samples from    194 This control is used to attenuate samples from the virtual stereo mixer.
195 The result samples are forwarded to the subwoo    195 The result samples are forwarded to the subwoofer.
196                                                   196 
197 name='Tone Control - Switch',index=0              197 name='Tone Control - Switch',index=0
198 ------------------------------------              198 ------------------------------------
199 This control turns the tone control on or off.    199 This control turns the tone control on or off. The samples forwarded to
200 the speaker outputs are affected.                 200 the speaker outputs are affected.
201                                                   201 
202 name='Tone Control - Bass',index=0                202 name='Tone Control - Bass',index=0
203 ----------------------------------                203 ----------------------------------
204 This control sets the bass intensity. There is    204 This control sets the bass intensity. There is no neutral value!!
205 When the tone control code is activated, the s    205 When the tone control code is activated, the samples are always modified.
206 The closest value to pure signal is 20.           206 The closest value to pure signal is 20.
207                                                   207 
208 name='Tone Control - Treble',index=0              208 name='Tone Control - Treble',index=0
209 ------------------------------------              209 ------------------------------------
210 This control sets the treble intensity. There     210 This control sets the treble intensity. There is no neutral value!!
211 When the tone control code is activated, the s    211 When the tone control code is activated, the samples are always modified.
212 The closest value to pure signal is 20.           212 The closest value to pure signal is 20.
213                                                   213 
214 name='Master Playback Volume',index=0             214 name='Master Playback Volume',index=0
215 -------------------------------------             215 -------------------------------------
216 This control is used to attenuate samples forw    216 This control is used to attenuate samples forwarded to the speaker outputs.
217                                                   217 
218 name='IEC958 Optical Raw Playback Switch',inde    218 name='IEC958 Optical Raw Playback Switch',index=0
219 ----------------------------------------------    219 -------------------------------------------------
220 If this switch is on, then the samples for the    220 If this switch is on, then the samples for the IEC958 (S/PDIF) digital
221 output are taken only from the raw iec958 ALSA    221 output are taken only from the raw iec958 ALSA PCM device (which uses
222 accumulators 20 and 21 for left and right PCM     222 accumulators 20 and 21 for left and right PCM by default).
223                                                   223 
224                                                   224 
225 PCM stream related controls                       225 PCM stream related controls
226 ===========================                       226 ===========================
227                                                   227 
228 name='EMU10K1 PCM Volume',index 0-31              228 name='EMU10K1 PCM Volume',index 0-31
229 ------------------------------------              229 ------------------------------------
230 Channel volume attenuation in range 0-0x1fffd.    230 Channel volume attenuation in range 0-0x1fffd. The middle value (no
231 attenuation) is default. The channel mapping f    231 attenuation) is default. The channel mapping for three values is
232 as follows:                                       232 as follows:
233                                                   233 
234 * 0 - mono, default 0xffff (no attenuation)       234 * 0 - mono, default 0xffff (no attenuation)
235 * 1 - left, default 0xffff (no attenuation)       235 * 1 - left, default 0xffff (no attenuation)
236 * 2 - right, default 0xffff (no attenuation)      236 * 2 - right, default 0xffff (no attenuation)
237                                                   237 
238 name='EMU10K1 PCM Send Routing',index 0-31        238 name='EMU10K1 PCM Send Routing',index 0-31
239 ------------------------------------------        239 ------------------------------------------
240 This control specifies the destination - FX-bu    240 This control specifies the destination - FX-bus accumulators. There are 24
241 values in this mapping:                           241 values in this mapping:
242                                                   242 
243 *  0 -  mono, A destination (FX-bus 0-63), def    243 *  0 -  mono, A destination (FX-bus 0-63), default 0
244 *  1 -  mono, B destination (FX-bus 0-63), def    244 *  1 -  mono, B destination (FX-bus 0-63), default 1
245 *  2 -  mono, C destination (FX-bus 0-63), def    245 *  2 -  mono, C destination (FX-bus 0-63), default 2
246 *  3 -  mono, D destination (FX-bus 0-63), def    246 *  3 -  mono, D destination (FX-bus 0-63), default 3
247 *  4 -  mono, E destination (FX-bus 0-63), def    247 *  4 -  mono, E destination (FX-bus 0-63), default 4
248 *  5 -  mono, F destination (FX-bus 0-63), def    248 *  5 -  mono, F destination (FX-bus 0-63), default 5
249 *  6 -  mono, G destination (FX-bus 0-63), def    249 *  6 -  mono, G destination (FX-bus 0-63), default 6
250 *  7 -  mono, H destination (FX-bus 0-63), def    250 *  7 -  mono, H destination (FX-bus 0-63), default 7
251 *  8 -  left, A destination (FX-bus 0-63), def    251 *  8 -  left, A destination (FX-bus 0-63), default 0
252 *  9 -  left, B destination (FX-bus 0-63), def    252 *  9 -  left, B destination (FX-bus 0-63), default 1
253 * 10 -  left, C destination (FX-bus 0-63), def    253 * 10 -  left, C destination (FX-bus 0-63), default 2
254 * 11 -  left, D destination (FX-bus 0-63), def    254 * 11 -  left, D destination (FX-bus 0-63), default 3
255 * 12 -  left, E destination (FX-bus 0-63), def    255 * 12 -  left, E destination (FX-bus 0-63), default 4
256 * 13 -  left, F destination (FX-bus 0-63), def    256 * 13 -  left, F destination (FX-bus 0-63), default 5
257 * 14 -  left, G destination (FX-bus 0-63), def    257 * 14 -  left, G destination (FX-bus 0-63), default 6
258 * 15 -  left, H destination (FX-bus 0-63), def    258 * 15 -  left, H destination (FX-bus 0-63), default 7
259 * 16 - right, A destination (FX-bus 0-63), def    259 * 16 - right, A destination (FX-bus 0-63), default 0
260 * 17 - right, B destination (FX-bus 0-63), def    260 * 17 - right, B destination (FX-bus 0-63), default 1
261 * 18 - right, C destination (FX-bus 0-63), def    261 * 18 - right, C destination (FX-bus 0-63), default 2
262 * 19 - right, D destination (FX-bus 0-63), def    262 * 19 - right, D destination (FX-bus 0-63), default 3
263 * 20 - right, E destination (FX-bus 0-63), def    263 * 20 - right, E destination (FX-bus 0-63), default 4
264 * 21 - right, F destination (FX-bus 0-63), def    264 * 21 - right, F destination (FX-bus 0-63), default 5
265 * 22 - right, G destination (FX-bus 0-63), def    265 * 22 - right, G destination (FX-bus 0-63), default 6
266 * 23 - right, H destination (FX-bus 0-63), def    266 * 23 - right, H destination (FX-bus 0-63), default 7
267                                                   267 
268 Don't forget that it's illegal to assign a cha    268 Don't forget that it's illegal to assign a channel to the same FX-bus accumulator 
269 more than once (it means 0=0 && 1=0 is an inva    269 more than once (it means 0=0 && 1=0 is an invalid combination).
270                                                   270  
271 name='EMU10K1 PCM Send Volume',index 0-31         271 name='EMU10K1 PCM Send Volume',index 0-31
272 -----------------------------------------         272 -----------------------------------------
273 It specifies the attenuation (amount) for give    273 It specifies the attenuation (amount) for given destination in range 0-255.
274 The channel mapping is following:                 274 The channel mapping is following:
275                                                   275 
276 *  0 -  mono, A destination attn, default 255     276 *  0 -  mono, A destination attn, default 255 (no attenuation)
277 *  1 -  mono, B destination attn, default 255     277 *  1 -  mono, B destination attn, default 255 (no attenuation)
278 *  2 -  mono, C destination attn, default 0 (m    278 *  2 -  mono, C destination attn, default 0 (mute)
279 *  3 -  mono, D destination attn, default 0 (m    279 *  3 -  mono, D destination attn, default 0 (mute)
280 *  4 -  mono, E destination attn, default 0 (m    280 *  4 -  mono, E destination attn, default 0 (mute)
281 *  5 -  mono, F destination attn, default 0 (m    281 *  5 -  mono, F destination attn, default 0 (mute)
282 *  6 -  mono, G destination attn, default 0 (m    282 *  6 -  mono, G destination attn, default 0 (mute)
283 *  7 -  mono, H destination attn, default 0 (m    283 *  7 -  mono, H destination attn, default 0 (mute)
284 *  8 -  left, A destination attn, default 255     284 *  8 -  left, A destination attn, default 255 (no attenuation)
285 *  9 -  left, B destination attn, default 0 (m    285 *  9 -  left, B destination attn, default 0 (mute)
286 * 10 -  left, C destination attn, default 0 (m    286 * 10 -  left, C destination attn, default 0 (mute)
287 * 11 -  left, D destination attn, default 0 (m    287 * 11 -  left, D destination attn, default 0 (mute)
288 * 12 -  left, E destination attn, default 0 (m    288 * 12 -  left, E destination attn, default 0 (mute)
289 * 13 -  left, F destination attn, default 0 (m    289 * 13 -  left, F destination attn, default 0 (mute)
290 * 14 -  left, G destination attn, default 0 (m    290 * 14 -  left, G destination attn, default 0 (mute)
291 * 15 -  left, H destination attn, default 0 (m    291 * 15 -  left, H destination attn, default 0 (mute)
292 * 16 - right, A destination attn, default 0 (m    292 * 16 - right, A destination attn, default 0 (mute)
293 * 17 - right, B destination attn, default 255     293 * 17 - right, B destination attn, default 255 (no attenuation)
294 * 18 - right, C destination attn, default 0 (m    294 * 18 - right, C destination attn, default 0 (mute)
295 * 19 - right, D destination attn, default 0 (m    295 * 19 - right, D destination attn, default 0 (mute)
296 * 20 - right, E destination attn, default 0 (m    296 * 20 - right, E destination attn, default 0 (mute)
297 * 21 - right, F destination attn, default 0 (m    297 * 21 - right, F destination attn, default 0 (mute)
298 * 22 - right, G destination attn, default 0 (m    298 * 22 - right, G destination attn, default 0 (mute)
299 * 23 - right, H destination attn, default 0 (m    299 * 23 - right, H destination attn, default 0 (mute)
300                                                   300 
301                                                   301 
302                                                   302 
303 MANUALS/PATENTS                                   303 MANUALS/PATENTS
304 ===============                                   304 ===============
305                                                   305 
306 See sb-live-mixer.rst.                            306 See sb-live-mixer.rst.
                                                      

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