1 .. SPDX-License-Identifier: GFDL-1.1-no-invari 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 2
3 .. _frontend-property-terrestrial-systems: 3 .. _frontend-property-terrestrial-systems:
4 4
5 ********************************************** 5 ***********************************************
6 Properties used on terrestrial delivery system 6 Properties used on terrestrial delivery systems
7 ********************************************** 7 ***********************************************
8 8
9 9
10 .. _dvbt-params: 10 .. _dvbt-params:
11 11
12 DVB-T delivery system 12 DVB-T delivery system
13 ===================== 13 =====================
14 14
15 The following parameters are valid for DVB-T: 15 The following parameters are valid for DVB-T:
16 16
17 - :ref:`DTV_API_VERSION <DTV-API-VERSION>` 17 - :ref:`DTV_API_VERSION <DTV-API-VERSION>`
18 18
19 - :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYS 19 - :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYSTEM>`
20 20
21 - :ref:`DTV_TUNE <DTV-TUNE>` 21 - :ref:`DTV_TUNE <DTV-TUNE>`
22 22
23 - :ref:`DTV_CLEAR <DTV-CLEAR>` 23 - :ref:`DTV_CLEAR <DTV-CLEAR>`
24 24
25 - :ref:`DTV_FREQUENCY <DTV-FREQUENCY>` 25 - :ref:`DTV_FREQUENCY <DTV-FREQUENCY>`
26 26
27 - :ref:`DTV_MODULATION <DTV-MODULATION>` 27 - :ref:`DTV_MODULATION <DTV-MODULATION>`
28 28
29 - :ref:`DTV_BANDWIDTH_HZ <DTV-BANDWIDTH-HZ>` 29 - :ref:`DTV_BANDWIDTH_HZ <DTV-BANDWIDTH-HZ>`
30 30
31 - :ref:`DTV_INVERSION <DTV-INVERSION>` 31 - :ref:`DTV_INVERSION <DTV-INVERSION>`
32 32
33 - :ref:`DTV_CODE_RATE_HP <DTV-CODE-RATE-HP>` 33 - :ref:`DTV_CODE_RATE_HP <DTV-CODE-RATE-HP>`
34 34
35 - :ref:`DTV_CODE_RATE_LP <DTV-CODE-RATE-LP>` 35 - :ref:`DTV_CODE_RATE_LP <DTV-CODE-RATE-LP>`
36 36
37 - :ref:`DTV_GUARD_INTERVAL <DTV-GUARD-INTERVA 37 - :ref:`DTV_GUARD_INTERVAL <DTV-GUARD-INTERVAL>`
38 38
39 - :ref:`DTV_TRANSMISSION_MODE <DTV-TRANSMISSI 39 - :ref:`DTV_TRANSMISSION_MODE <DTV-TRANSMISSION-MODE>`
40 40
41 - :ref:`DTV_HIERARCHY <DTV-HIERARCHY>` 41 - :ref:`DTV_HIERARCHY <DTV-HIERARCHY>`
42 42
43 - :ref:`DTV_LNA <DTV-LNA>` 43 - :ref:`DTV_LNA <DTV-LNA>`
44 44
45 In addition, the :ref:`DTV QoS statistics <fro 45 In addition, the :ref:`DTV QoS statistics <frontend-stat-properties>`
46 are also valid. 46 are also valid.
47 47
48 48
49 .. _dvbt2-params: 49 .. _dvbt2-params:
50 50
51 DVB-T2 delivery system 51 DVB-T2 delivery system
52 ====================== 52 ======================
53 53
54 DVB-T2 support is currently in the early stage 54 DVB-T2 support is currently in the early stages of development, so
55 expect that this section maygrow and become mo 55 expect that this section maygrow and become more detailed with time.
56 56
57 The following parameters are valid for DVB-T2: 57 The following parameters are valid for DVB-T2:
58 58
59 - :ref:`DTV_API_VERSION <DTV-API-VERSION>` 59 - :ref:`DTV_API_VERSION <DTV-API-VERSION>`
60 60
61 - :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYS 61 - :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYSTEM>`
62 62
63 - :ref:`DTV_TUNE <DTV-TUNE>` 63 - :ref:`DTV_TUNE <DTV-TUNE>`
64 64
65 - :ref:`DTV_CLEAR <DTV-CLEAR>` 65 - :ref:`DTV_CLEAR <DTV-CLEAR>`
66 66
67 - :ref:`DTV_FREQUENCY <DTV-FREQUENCY>` 67 - :ref:`DTV_FREQUENCY <DTV-FREQUENCY>`
68 68
69 - :ref:`DTV_MODULATION <DTV-MODULATION>` 69 - :ref:`DTV_MODULATION <DTV-MODULATION>`
70 70
71 - :ref:`DTV_BANDWIDTH_HZ <DTV-BANDWIDTH-HZ>` 71 - :ref:`DTV_BANDWIDTH_HZ <DTV-BANDWIDTH-HZ>`
72 72
73 - :ref:`DTV_INVERSION <DTV-INVERSION>` 73 - :ref:`DTV_INVERSION <DTV-INVERSION>`
74 74
75 - :ref:`DTV_CODE_RATE_HP <DTV-CODE-RATE-HP>` 75 - :ref:`DTV_CODE_RATE_HP <DTV-CODE-RATE-HP>`
76 76
77 - :ref:`DTV_CODE_RATE_LP <DTV-CODE-RATE-LP>` 77 - :ref:`DTV_CODE_RATE_LP <DTV-CODE-RATE-LP>`
78 78
79 - :ref:`DTV_GUARD_INTERVAL <DTV-GUARD-INTERVA 79 - :ref:`DTV_GUARD_INTERVAL <DTV-GUARD-INTERVAL>`
80 80
81 - :ref:`DTV_TRANSMISSION_MODE <DTV-TRANSMISSI 81 - :ref:`DTV_TRANSMISSION_MODE <DTV-TRANSMISSION-MODE>`
82 82
83 - :ref:`DTV_HIERARCHY <DTV-HIERARCHY>` 83 - :ref:`DTV_HIERARCHY <DTV-HIERARCHY>`
84 84
85 - :ref:`DTV_STREAM_ID <DTV-STREAM-ID>` 85 - :ref:`DTV_STREAM_ID <DTV-STREAM-ID>`
86 86
87 - :ref:`DTV_LNA <DTV-LNA>` 87 - :ref:`DTV_LNA <DTV-LNA>`
88 88
89 In addition, the :ref:`DTV QoS statistics <fro 89 In addition, the :ref:`DTV QoS statistics <frontend-stat-properties>`
90 are also valid. 90 are also valid.
91 91
92 92
93 .. _isdbt: 93 .. _isdbt:
94 94
95 ISDB-T delivery system 95 ISDB-T delivery system
96 ====================== 96 ======================
97 97
98 This ISDB-T/ISDB-Tsb API extension should refl 98 This ISDB-T/ISDB-Tsb API extension should reflect all information needed
99 to tune any ISDB-T/ISDB-Tsb hardware. Of cours 99 to tune any ISDB-T/ISDB-Tsb hardware. Of course it is possible that some
100 very sophisticated devices won't need certain 100 very sophisticated devices won't need certain parameters to tune.
101 101
102 The information given here should help applica 102 The information given here should help application writers to know how
103 to handle ISDB-T and ISDB-Tsb hardware using t 103 to handle ISDB-T and ISDB-Tsb hardware using the Linux Digital TV API.
104 104
105 The details given here about ISDB-T and ISDB-T 105 The details given here about ISDB-T and ISDB-Tsb are just enough to
106 basically show the dependencies between the ne 106 basically show the dependencies between the needed parameter values, but
107 surely some information is left out. For more 107 surely some information is left out. For more detailed information see
108 the following documents: 108 the following documents:
109 109
110 ARIB STD-B31 - "Transmission System for Digita 110 ARIB STD-B31 - "Transmission System for Digital Terrestrial Television
111 Broadcasting" and 111 Broadcasting" and
112 112
113 ARIB TR-B14 - "Operational Guidelines for Digi 113 ARIB TR-B14 - "Operational Guidelines for Digital Terrestrial Television
114 Broadcasting". 114 Broadcasting".
115 115
116 In order to understand the ISDB specific param 116 In order to understand the ISDB specific parameters, one has to have
117 some knowledge the channel structure in ISDB-T 117 some knowledge the channel structure in ISDB-T and ISDB-Tsb. I.e. it has
118 to be known to the reader that an ISDB-T chann 118 to be known to the reader that an ISDB-T channel consists of 13
119 segments, that it can have up to 3 layer shari 119 segments, that it can have up to 3 layer sharing those segments, and
120 things like that. 120 things like that.
121 121
122 The following parameters are valid for ISDB-T: 122 The following parameters are valid for ISDB-T:
123 123
124 - :ref:`DTV_API_VERSION <DTV-API-VERSION>` 124 - :ref:`DTV_API_VERSION <DTV-API-VERSION>`
125 125
126 - :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYS 126 - :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYSTEM>`
127 127
128 - :ref:`DTV_TUNE <DTV-TUNE>` 128 - :ref:`DTV_TUNE <DTV-TUNE>`
129 129
130 - :ref:`DTV_CLEAR <DTV-CLEAR>` 130 - :ref:`DTV_CLEAR <DTV-CLEAR>`
131 131
132 - :ref:`DTV_FREQUENCY <DTV-FREQUENCY>` 132 - :ref:`DTV_FREQUENCY <DTV-FREQUENCY>`
133 133
134 - :ref:`DTV_BANDWIDTH_HZ <DTV-BANDWIDTH-HZ>` 134 - :ref:`DTV_BANDWIDTH_HZ <DTV-BANDWIDTH-HZ>`
135 135
136 - :ref:`DTV_INVERSION <DTV-INVERSION>` 136 - :ref:`DTV_INVERSION <DTV-INVERSION>`
137 137
138 - :ref:`DTV_GUARD_INTERVAL <DTV-GUARD-INTERVA 138 - :ref:`DTV_GUARD_INTERVAL <DTV-GUARD-INTERVAL>`
139 139
140 - :ref:`DTV_TRANSMISSION_MODE <DTV-TRANSMISSI 140 - :ref:`DTV_TRANSMISSION_MODE <DTV-TRANSMISSION-MODE>`
141 141
142 - :ref:`DTV_ISDBT_LAYER_ENABLED <DTV-ISDBT-LA 142 - :ref:`DTV_ISDBT_LAYER_ENABLED <DTV-ISDBT-LAYER-ENABLED>`
143 143
144 - :ref:`DTV_ISDBT_PARTIAL_RECEPTION <DTV-ISDB 144 - :ref:`DTV_ISDBT_PARTIAL_RECEPTION <DTV-ISDBT-PARTIAL-RECEPTION>`
145 145
146 - :ref:`DTV_ISDBT_SOUND_BROADCASTING <DTV-ISD 146 - :ref:`DTV_ISDBT_SOUND_BROADCASTING <DTV-ISDBT-SOUND-BROADCASTING>`
147 147
148 - :ref:`DTV_ISDBT_SB_SUBCHANNEL_ID <DTV-ISDBT 148 - :ref:`DTV_ISDBT_SB_SUBCHANNEL_ID <DTV-ISDBT-SB-SUBCHANNEL-ID>`
149 149
150 - :ref:`DTV_ISDBT_SB_SEGMENT_IDX <DTV-ISDBT-S 150 - :ref:`DTV_ISDBT_SB_SEGMENT_IDX <DTV-ISDBT-SB-SEGMENT-IDX>`
151 151
152 - :ref:`DTV_ISDBT_SB_SEGMENT_COUNT <DTV-ISDBT 152 - :ref:`DTV_ISDBT_SB_SEGMENT_COUNT <DTV-ISDBT-SB-SEGMENT-COUNT>`
153 153
154 - :ref:`DTV_ISDBT_LAYERA_FEC <DTV-ISDBT-LAYER 154 - :ref:`DTV_ISDBT_LAYERA_FEC <DTV-ISDBT-LAYER-FEC>`
155 155
156 - :ref:`DTV_ISDBT_LAYERA_MODULATION <DTV-ISDB 156 - :ref:`DTV_ISDBT_LAYERA_MODULATION <DTV-ISDBT-LAYER-MODULATION>`
157 157
158 - :ref:`DTV_ISDBT_LAYERA_SEGMENT_COUNT <DTV-I 158 - :ref:`DTV_ISDBT_LAYERA_SEGMENT_COUNT <DTV-ISDBT-LAYER-SEGMENT-COUNT>`
159 159
160 - :ref:`DTV_ISDBT_LAYERA_TIME_INTERLEAVING <D 160 - :ref:`DTV_ISDBT_LAYERA_TIME_INTERLEAVING <DTV-ISDBT-LAYER-TIME-INTERLEAVING>`
161 161
162 - :ref:`DTV_ISDBT_LAYERB_FEC <DTV-ISDBT-LAYER 162 - :ref:`DTV_ISDBT_LAYERB_FEC <DTV-ISDBT-LAYER-FEC>`
163 163
164 - :ref:`DTV_ISDBT_LAYERB_MODULATION <DTV-ISDB 164 - :ref:`DTV_ISDBT_LAYERB_MODULATION <DTV-ISDBT-LAYER-MODULATION>`
165 165
166 - :ref:`DTV_ISDBT_LAYERB_SEGMENT_COUNT <DTV-I 166 - :ref:`DTV_ISDBT_LAYERB_SEGMENT_COUNT <DTV-ISDBT-LAYER-SEGMENT-COUNT>`
167 167
168 - :ref:`DTV_ISDBT_LAYERB_TIME_INTERLEAVING <D 168 - :ref:`DTV_ISDBT_LAYERB_TIME_INTERLEAVING <DTV-ISDBT-LAYER-TIME-INTERLEAVING>`
169 169
170 - :ref:`DTV_ISDBT_LAYERC_FEC <DTV-ISDBT-LAYER 170 - :ref:`DTV_ISDBT_LAYERC_FEC <DTV-ISDBT-LAYER-FEC>`
171 171
172 - :ref:`DTV_ISDBT_LAYERC_MODULATION <DTV-ISDB 172 - :ref:`DTV_ISDBT_LAYERC_MODULATION <DTV-ISDBT-LAYER-MODULATION>`
173 173
174 - :ref:`DTV_ISDBT_LAYERC_SEGMENT_COUNT <DTV-I 174 - :ref:`DTV_ISDBT_LAYERC_SEGMENT_COUNT <DTV-ISDBT-LAYER-SEGMENT-COUNT>`
175 175
176 - :ref:`DTV_ISDBT_LAYERC_TIME_INTERLEAVING <D 176 - :ref:`DTV_ISDBT_LAYERC_TIME_INTERLEAVING <DTV-ISDBT-LAYER-TIME-INTERLEAVING>`
177 177
178 In addition, the :ref:`DTV QoS statistics <fro 178 In addition, the :ref:`DTV QoS statistics <frontend-stat-properties>`
179 are also valid. 179 are also valid.
180 180
181 181
182 .. _atsc-params: 182 .. _atsc-params:
183 183
184 ATSC delivery system 184 ATSC delivery system
185 ==================== 185 ====================
186 186
187 The following parameters are valid for ATSC: 187 The following parameters are valid for ATSC:
188 188
189 - :ref:`DTV_API_VERSION <DTV-API-VERSION>` 189 - :ref:`DTV_API_VERSION <DTV-API-VERSION>`
190 190
191 - :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYS 191 - :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYSTEM>`
192 192
193 - :ref:`DTV_TUNE <DTV-TUNE>` 193 - :ref:`DTV_TUNE <DTV-TUNE>`
194 194
195 - :ref:`DTV_CLEAR <DTV-CLEAR>` 195 - :ref:`DTV_CLEAR <DTV-CLEAR>`
196 196
197 - :ref:`DTV_FREQUENCY <DTV-FREQUENCY>` 197 - :ref:`DTV_FREQUENCY <DTV-FREQUENCY>`
198 198
199 - :ref:`DTV_MODULATION <DTV-MODULATION>` 199 - :ref:`DTV_MODULATION <DTV-MODULATION>`
200 200
201 - :ref:`DTV_BANDWIDTH_HZ <DTV-BANDWIDTH-HZ>` 201 - :ref:`DTV_BANDWIDTH_HZ <DTV-BANDWIDTH-HZ>`
202 202
203 In addition, the :ref:`DTV QoS statistics <fro 203 In addition, the :ref:`DTV QoS statistics <frontend-stat-properties>`
204 are also valid. 204 are also valid.
205 205
206 206
207 .. _atscmh-params: 207 .. _atscmh-params:
208 208
209 ATSC-MH delivery system 209 ATSC-MH delivery system
210 ======================= 210 =======================
211 211
212 The following parameters are valid for ATSC-MH 212 The following parameters are valid for ATSC-MH:
213 213
214 - :ref:`DTV_API_VERSION <DTV-API-VERSION>` 214 - :ref:`DTV_API_VERSION <DTV-API-VERSION>`
215 215
216 - :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYS 216 - :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYSTEM>`
217 217
218 - :ref:`DTV_TUNE <DTV-TUNE>` 218 - :ref:`DTV_TUNE <DTV-TUNE>`
219 219
220 - :ref:`DTV_CLEAR <DTV-CLEAR>` 220 - :ref:`DTV_CLEAR <DTV-CLEAR>`
221 221
222 - :ref:`DTV_FREQUENCY <DTV-FREQUENCY>` 222 - :ref:`DTV_FREQUENCY <DTV-FREQUENCY>`
223 223
224 - :ref:`DTV_BANDWIDTH_HZ <DTV-BANDWIDTH-HZ>` 224 - :ref:`DTV_BANDWIDTH_HZ <DTV-BANDWIDTH-HZ>`
225 225
226 - :ref:`DTV_ATSCMH_FIC_VER <DTV-ATSCMH-FIC-VE 226 - :ref:`DTV_ATSCMH_FIC_VER <DTV-ATSCMH-FIC-VER>`
227 227
228 - :ref:`DTV_ATSCMH_PARADE_ID <DTV-ATSCMH-PARA 228 - :ref:`DTV_ATSCMH_PARADE_ID <DTV-ATSCMH-PARADE-ID>`
229 229
230 - :ref:`DTV_ATSCMH_NOG <DTV-ATSCMH-NOG>` 230 - :ref:`DTV_ATSCMH_NOG <DTV-ATSCMH-NOG>`
231 231
232 - :ref:`DTV_ATSCMH_TNOG <DTV-ATSCMH-TNOG>` 232 - :ref:`DTV_ATSCMH_TNOG <DTV-ATSCMH-TNOG>`
233 233
234 - :ref:`DTV_ATSCMH_SGN <DTV-ATSCMH-SGN>` 234 - :ref:`DTV_ATSCMH_SGN <DTV-ATSCMH-SGN>`
235 235
236 - :ref:`DTV_ATSCMH_PRC <DTV-ATSCMH-PRC>` 236 - :ref:`DTV_ATSCMH_PRC <DTV-ATSCMH-PRC>`
237 237
238 - :ref:`DTV_ATSCMH_RS_FRAME_MODE <DTV-ATSCMH- 238 - :ref:`DTV_ATSCMH_RS_FRAME_MODE <DTV-ATSCMH-RS-FRAME-MODE>`
239 239
240 - :ref:`DTV_ATSCMH_RS_FRAME_ENSEMBLE <DTV-ATS 240 - :ref:`DTV_ATSCMH_RS_FRAME_ENSEMBLE <DTV-ATSCMH-RS-FRAME-ENSEMBLE>`
241 241
242 - :ref:`DTV_ATSCMH_RS_CODE_MODE_PRI <DTV-ATSC 242 - :ref:`DTV_ATSCMH_RS_CODE_MODE_PRI <DTV-ATSCMH-RS-CODE-MODE-PRI>`
243 243
244 - :ref:`DTV_ATSCMH_RS_CODE_MODE_SEC <DTV-ATSC 244 - :ref:`DTV_ATSCMH_RS_CODE_MODE_SEC <DTV-ATSCMH-RS-CODE-MODE-SEC>`
245 245
246 - :ref:`DTV_ATSCMH_SCCC_BLOCK_MODE <DTV-ATSCM 246 - :ref:`DTV_ATSCMH_SCCC_BLOCK_MODE <DTV-ATSCMH-SCCC-BLOCK-MODE>`
247 247
248 - :ref:`DTV_ATSCMH_SCCC_CODE_MODE_A <DTV-ATSC 248 - :ref:`DTV_ATSCMH_SCCC_CODE_MODE_A <DTV-ATSCMH-SCCC-CODE-MODE-A>`
249 249
250 - :ref:`DTV_ATSCMH_SCCC_CODE_MODE_B <DTV-ATSC 250 - :ref:`DTV_ATSCMH_SCCC_CODE_MODE_B <DTV-ATSCMH-SCCC-CODE-MODE-B>`
251 251
252 - :ref:`DTV_ATSCMH_SCCC_CODE_MODE_C <DTV-ATSC 252 - :ref:`DTV_ATSCMH_SCCC_CODE_MODE_C <DTV-ATSCMH-SCCC-CODE-MODE-C>`
253 253
254 - :ref:`DTV_ATSCMH_SCCC_CODE_MODE_D <DTV-ATSC 254 - :ref:`DTV_ATSCMH_SCCC_CODE_MODE_D <DTV-ATSCMH-SCCC-CODE-MODE-D>`
255 255
256 In addition, the :ref:`DTV QoS statistics <fro 256 In addition, the :ref:`DTV QoS statistics <frontend-stat-properties>`
257 are also valid. 257 are also valid.
258 258
259 259
260 .. _dtmb-params: 260 .. _dtmb-params:
261 261
262 DTMB delivery system 262 DTMB delivery system
263 ==================== 263 ====================
264 264
265 The following parameters are valid for DTMB: 265 The following parameters are valid for DTMB:
266 266
267 - :ref:`DTV_API_VERSION <DTV-API-VERSION>` 267 - :ref:`DTV_API_VERSION <DTV-API-VERSION>`
268 268
269 - :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYS 269 - :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYSTEM>`
270 270
271 - :ref:`DTV_TUNE <DTV-TUNE>` 271 - :ref:`DTV_TUNE <DTV-TUNE>`
272 272
273 - :ref:`DTV_CLEAR <DTV-CLEAR>` 273 - :ref:`DTV_CLEAR <DTV-CLEAR>`
274 274
275 - :ref:`DTV_FREQUENCY <DTV-FREQUENCY>` 275 - :ref:`DTV_FREQUENCY <DTV-FREQUENCY>`
276 276
277 - :ref:`DTV_MODULATION <DTV-MODULATION>` 277 - :ref:`DTV_MODULATION <DTV-MODULATION>`
278 278
279 - :ref:`DTV_BANDWIDTH_HZ <DTV-BANDWIDTH-HZ>` 279 - :ref:`DTV_BANDWIDTH_HZ <DTV-BANDWIDTH-HZ>`
280 280
281 - :ref:`DTV_INVERSION <DTV-INVERSION>` 281 - :ref:`DTV_INVERSION <DTV-INVERSION>`
282 282
283 - :ref:`DTV_INNER_FEC <DTV-INNER-FEC>` 283 - :ref:`DTV_INNER_FEC <DTV-INNER-FEC>`
284 284
285 - :ref:`DTV_GUARD_INTERVAL <DTV-GUARD-INTERVA 285 - :ref:`DTV_GUARD_INTERVAL <DTV-GUARD-INTERVAL>`
286 286
287 - :ref:`DTV_TRANSMISSION_MODE <DTV-TRANSMISSI 287 - :ref:`DTV_TRANSMISSION_MODE <DTV-TRANSMISSION-MODE>`
288 288
289 - :ref:`DTV_INTERLEAVING <DTV-INTERLEAVING>` 289 - :ref:`DTV_INTERLEAVING <DTV-INTERLEAVING>`
290 290
291 - :ref:`DTV_LNA <DTV-LNA>` 291 - :ref:`DTV_LNA <DTV-LNA>`
292 292
293 In addition, the :ref:`DTV QoS statistics <fro 293 In addition, the :ref:`DTV QoS statistics <frontend-stat-properties>`
294 are also valid. 294 are also valid.
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