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Table B.4 – Examples of digital broadcast signal specifications
General | DVB | ISDB | ATSC | DMB-T |
Standard | TR 101154 | - | ATSC Standard A/65 | System-A(DAB/Eureka-147) |
Source coding | MPEG-2 video MPEG-2 audio | MPEG-2 video MPEG-2 audio | MPEG-2 video AC-3 audio | H.264/MPEG-4 AVC |
Data coding | Optional | Optional | Optional | Optional |
Video elementary stream | Colour bar, with small moving element | Colour bar, with small moving element | Colour bar, with small moving element | Colour bar, with small moving element |
Video bit rate | 6 MBit/s | 6 MBit/s | 6 MBit/s | (1 ~ 11) Mbit/s |
Audio elementary stream forreference
measurement |
1 kHz/full range –6 dB | 1 kHz/full range –6 dB | 1 kHz/full range –6 dB | 1 kHz/full range –6 dB |
Audio elementary stream for noise measurement | 1 kHz/silence | 1 kHz/silence | 1 kHz/silence | 1 kHz/silence |
Audio bit rate | 192 kbit/s | 192 kbit/s | 192 kbit/s | 192 kbit/s |
Terrestrial TV | DVB-T | ISDB-T | ATSC | DMB-T |
Standard | EN 300 744 | ARIB STD-B21ARIB STD-B31 | ATSC 8VSB | System-A(DAB/Eureka-147) |
Level | 50 dB(mV)/75 W-VHF B III54 dB(mV)/75 W-UHF B IV/V | 34 dB(mV) to89 dB(mV)/75 W | 54 dB(mV)(using ATSC 64) | 18 dB(mV) ~ 97 dB(mV) |
Channel | 6 to 69 | - | 2 to 69 | - |
Frequency | - | 470 MHz to 770 MHz,5,7 MHz bandwidth | 174 MHz ~ 216 MHz | |
Modulation | OFDM | OFDM | 8 VSB or 16 VSB | DQPSK, Transmission: OFDM |
Mode | 2 k or 8 k | 8k, 4k, 2k | - | - |
Modulation scheme | 16 or 64 QAM or QPSK | QPSK, DQPSK, 16 QAM,64 QAM | - | - |
Guard interval | 1/4, 1/8, 1/16, 1/32 | 1/4, 1/8, 1/16, 1/32 | - | - |
Code rate | 1/2, 2/3, 3/4, 5/6, 7/8 | 1/2, 2/3, 3/4, 5/6, 7/8 | 2/3 | - |
Useful bit rate | Variable MBits | - | 19,39 MBit/s | - |
Information bit rate: max | 31,668 MBit/s | 23,234 MBit/s | - | - |
Satellite TV | DVB-S | DVB-S(Communication satellite) | ISDB-S(Broadcasting satellite) | None |
Specification | EN 300 421 | ARIB STD-B1 | ARIB STD-B20ARIB STD-B21 | - |
Level | 60 dB(mV)/75 W | 48 dB(mV) to81 dBmV/75 W | 48 dB(mV) to81 dB(mV)/75 W | - |
Frequency | 0,95 GHz to 2,15 GHz | 12,2 GHz to 12,75 GHz | 11,7 GHz to 12,2 GHz | - |
Frequency 1st IF | - | 1 000 MHz to1 550 MHz, 27 MHz
bandwidth |
1 032 MHz to 1 489 MHz,34,5 MHz bandwidth | - |
- | 12,5 GHz to 12,75 GHz | 11,7 GHz to 12,2 GHz | - | |
Modulation | QPSK | QPSK | TC8PSK, QPSK, BPSK | - |
Code Rate | 3/4 | 1/2, 2/3, 3/4, 5/6, 7/8 | 2/3(TC8PSK), 1/2, 2/3,3/4, 5/6, 7/8(QPSK, | - |
General | DVB | ISDB | ATSC | DMB-T |
BPSK) | ||||
Useful bit rate | 38,015 MBit/s | 29,2 MBits/s (r = 3/4) | - | - |
Information bit rate | - | 19,4 MBit/s to 34,0 MBit/s | - | - |
Information bit rate: max | - | 34,0 MBit/s | 52,17 MBit/s | - |
Cable TV | DVB-C | ISDB-C | ATSC | - |
Specification | EN 300 429 | JCTEA STD-002 | ANSI/SCTE 07 | - |
ES 201 488 | JCTEA STD-007 | |||
ES 202 488-1 | ||||
EN 302 878 (DOCSIS) | ||||
Level | 67 dBmV at 75 W for | 49 dB(mV) to | 60 dB(mV)/75 W | - |
256 QAM | 81 dB(mV)/75 W | |||
60 dBmV at 75 W for 64 QAM | (64 QAM)TDB (256 QAM) | |||
Frequency | 110 MHz to 862 MHz | 90 MHz to 770 MHz,6 MHz bandwidth | 88 MHz to 860 MHz | - |
Modulation | 16/32/64/128/256 QAM | 64 QAM or 256 QAM | 64 QAM or 256 QAM | - |
Useful bit rate | 38,44 MBit/s (64 QAM) | - | 26,970 MBit/s (64 QAM), | - |
and 51,25 MBit/s | 38,810 MBit/s (256 QAM) | |||
(256 QAM) at | ||||
6,952 Mbaud (8 MHz | ||||
channel) | ||||
Transmission bit | 41,71 MBit/s (64 QAM) | 31,644 MBit/s (64 | - | - |
rate | 55,62 MBit/s(256 QAM) at
6,952 Mbaud (8 MHz |
QAM)42,192 MBit/s (256 QAM) | ||
channel) | ||||
Information bit | 51,25 MBit/s | 29,162 MBits/s | - | - |
rate | (256 QAM) at | 38,883 MBits/s (256 | ||
6,952 Mbaud (8 MHz | QAM) | |||
channel) | ||||
Return path | - | - | 5 MHz to 40 MHz, QPSK | - |
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