thong tu 15.2013-btttt

3

Ph lc 1

Sa i, b sung mt s quy nh ca Quy chun k thut quc gia v thit b thu truyn hnh s mt t DVB-T2, K hiu QCVN 63: 2012/ BTTTT

(Ban hnh km theo Thng t s 15/2013/TT-BTTTT ngy 1 thng 7 nm 2013 ca B Thng tin v Truyn thng))

1. Ti liu vin dn [2], [4], [21] mc 1.3. Ti liu vin dn c sa i nh sau:

[2] ETSI EN 302 755 (V1.2.1), Digital Video Broadcasting (DVB); Frame structure channel coding and modulation for a second generation digital

terrestrial television broadcasting system (DVB-T2)

[4] TCVN 7600:2010 (IEC/CISPR 13:2009), My thu thanh, thu hnh qung b v thit b kt hp - c tnh nhiu tn s raio - Gii hn v phng php o

[21] CI Plus Specification V1.3

2. B sung mc 1.4.8. B chuyn i UP (Up Converter) nh sau:

1.4.8. B chuyn i UP (Up Converter)

B chuyn i nng tn.

3. B ch vit tt, gii thch vit tt AC3 v E-AC3 ca mc 1.5. Ch vit tt

4. Sa i, b sung mc 2.1.3. Tng thch in t trng nh sau:

Thit b thu phi tun th yu cu v tng thch in t trng trong tiu chun quc gia TCVN 7600:2010 (IEC/CISPR 13:2009)[4].

5. Sa i on cui ca mc 2.2.3.1. X l cc bng bo hiu PSI/SI nh sau:

Thit b thu phi c kh nng x l cc bng sau: NIT, PAT, PMT, SDT, EIT, TDT. Cc bng thng tin trn c m t trong quy chun i vi phn tn hiu pht ca DVB-T2.

6. Sa i, b sung mc 2.2.6. nh s knh logic (LCN) nh sau:

Thit b thu phi c kh nng x l thng tin dch v t bng nh s knh logic (LCN - Logical Channel Number) h tr nh s, sp xp, tm kim knh.

4

Thit b thu h tr LCN bng cch s dng b m t knh logic vi trng c t descriptor_tag bng 0x83 vi cu trc v c php nh sau:

5

C php Kch thc (bit) B nhn dng

logical_channel_descriptor(){

descriptor_tag 8 uimsbf

descriptor_length 8 uimsbf

for (i=0;i

6

10. Sa i mc 2.4.22.4. H tr HE-AAC trn giao din u ra audio tng t nh sau:

Nu c cng audio tng t (RCA), thit b thu phi c kh nng gii m v downmix m thanh c m ha HE-AAC a ra cng audio tng t (RCA).

11. Sa i im 2, mc 3.1.2.2. Th tc o nh sau:

2. S dng ch DVB-T2 tng ng vi: 32k m rng, 256 QAM xoay, GI 1/16, PP4, R2/3, TR-PAPR;


4. Bt u vi tn s 178 MHz (Knh 6);


2. Dng tn s pht UHF IV/V 666 MHz v mc u vo thit b thu l -50 dBm. Chn ch DVB-T2 tng ng:

Ch Single PLP;

UHF: 32k tiu chun/m rng, 256 QAM xoay, GI1/16, PP4, R2/3, TR-PAPR; 32k, 256 QAM, GI1/128, PP7, R5/6.

14. Sa i ti mc 3.6.1. Cu hnh o nh sau:

Cm t Ch B (Multiple PLP) c sa thnh cm t Ch A (Single PLP).

15. Sa i Bng 16 nh sau:

Bng 16 - Cc thay i i vi cc tham s iu ch - DVB-T

Tham s (kch c b FFT, iu ch, t l m, GI)

8K, 64-QAM, R=3/4, GI=1/4

8K, 64-QAM, R=2/3, GI=1/4

8K, 64-QAM, R=3/4, GI=1/8

8K, 64-QAM, R=2/3, GI=1/8

8K, QPSK, R=1/2, GI=1/8

2K, QPSK, R=1/2, GI=1/16

2K, 16-QAM, R=2/3, GI=1/32

7


Bng 20 - Cc tham s ch DVB-T2 dng trong cc bi o

Tham s

FFT 32k 32k 32k 32k 32k

Bng thng 8 MHz 8 MHz 8 MHz 8 MHz 8 MHz

Ch bng thng sng

mang

M rng M rng M rng M rng M rng

Khong bo v

1/8 19/256 1/16 1/32 1/128

Mu pilot PP2 PP4 PP4 PP4 PP7

Single

PLP

(ch A)

Lf 20,42,62 42,62 20,42,62 20,42,60

20,42,60

(QPSK)

20,42,60

(16QAM)

20.40,60

(64QAM)

20.40,60

(256QAM)

iu ch L1 64 QAM 64 QAM 64 QAM 64 QAM 64 QAM

Khi FEC/khung

ghp xen

67,135,185 63,135,200 135,200 64,135,200

16,34,50

(QPSK)

33,69,100

(16QAM)

49.99,150

(64QAM)

66,133,200

(256QAM)

T l m 3/5 3/5, 2/3, 3/4 3/5,2/3,3/4 All

iu ch 256 QAM 256 QAM 256 QAM 256 QAM

Multiple

PLP

(ch B)

Lf 27

Subslices 135

iu ch L1 64QAM

Ch PLP Common DT2 DT2

Khi FEC/khung

ghp xen

35 57 57

T l m 2/3 2/3 2/3

iu ch 64 QAM 256

QAM

256

QAM

BUFS 483328 1613824 1613824

8


Bng 27- Cc tn s v cc bng thng tn hiu bt buc h tr

Frequency 178,0 226,0 474,0 522,0 570,0 618,0 666,0 714,0 762,0

FFT

32k tiu chun

32k m rng

Bng

thng tn hiu

8 MHz

Ch o NF

256 QAM R2/3

256 QAM R3/5 -- --


Bng 28 - Cc ch o kim tra mc tn hiu u vo ti a

Ch Mc tn hiu u vo (dBm) nh gi kt

qu

8K, 64-QAM, R=2/3, /Tu=1/8 -25

8K, 64-QAM, R=2/3, /Tu=1/4 -25

8K, 64-QAM, R=3/4, /Tu=1/4 -25

8K, 64-QAM, R=3/4, /Tu=1/8 -25

32K ext, 256-QAM, R=3/4, /Tu=1/4 -25

32K ext, 256-QAM, R=4/5, /Tu=1/8 -25

32K ext, 256-QAM rotated, PP7, R=3/4,

/Tu=1/128 -25

19. Sa i im 5, mc 3.15.2. Th tc o nh sau:

5. iu chnh mc ca sng mang FM n mc -13 dB so vi sng mang hnh

20. B im 6, mc 3.15.2. Th tc o





9


Bng 38 - Kt qu o

Bng thng tn hiu 8 MHz

Ch DVB-T2 tr tn hiu vng [s]

-260 -230 -200 -150 -120

32K ext, 256-QAM, PP4, R=3/5, GI =1/16

32K ext, 256-QAM, PP4, R=2/3, GI =1/16

32K ext, 256-QAM, PP4, R=3/4, GI =1/16

32K ext, 256-QAM, PP4, R=3/5, GI =1/32

32K ext, 256-QAM, PP4, R=2/3, GI =1/32

32K ext, 256-QAM, PP4, R=3/4, GI =1/32

tr tn hiu vng [s]

260 230 200 150 120

32K ext, 256-QAM, PP4, R=3/5, GI =1/16

32K ext, 256-QAM, PP4, R=2/3, GI =1/16

32K ext, 256-QAM, PP4, R=3/4, GI =1/16

32K ext, 256-QAM, PP4, R=3/5, GI =1/32

32K ext, 256-QAM, PP4, R=2/3, GI =1/32

32K ext, 256-QAM, PP4, R=3/4, GI =1/32

CH THCH: Phn bi en l cc ch khng cn o.


2. Chn chng trnh t d liu o c tc bit 600 kbps, phn gii video 720x576 c cha audio;

25. B im 5 mc 3.21.3.2. Th tc o

26. Sa i im 4 mc 3.21.4.2. Th tc o nh sau:

4. S dng d liu TS B, TS P v thc hin kim tra bng phng php QMP1 nh gi kh nng hin th cc phn gii trong Bng 40.

27. B im 5 mc 3.21.4.2. Th tc o

28. Sa i im 4 mc 3.22.2.2. Th tc o nh sau:

4. La chn ch m thanh stereo h thng danh mc chn.

29. Sa i mc 5. Trch nhim ca t chc, c nhn nh sau:

Cc t chc, c nhn lin quan c trch nhim thc hin vic qun l cht lng thit b thu trong mng truyn hnh s mt t DVB-T2 theo quy nh v chu s kim tra ca c quan qun l nh nc.

10

30. Sa i Bng A.4 nh sau:

Bng A.4- Tham s c th bin i trong cu hnh tn hiu DVB-T2 Thng s Gi tr

FFT 32k 32k 32k 32k 32k

Bng thng 8 MHz 8 MHz 8 MHz 8 MHz 8 MHz

Ch bng thng sng mang

M rng M rng M rng M rng M rng

Khong bo v 1/8 19/256 1/16 1/32 1/128

Mu pilot PP2 PP4 PP4 PP4 PP7

Single PLP

(ch A) Lf 22,44,60 20,42,62 42,62 20,42,62 20,42,60 (QPSK) 20,42,60

(16QAM) 20.40,60 (64QAM)

20,40,60 (256QAM)

iu ch L1 64 QAM 64 QAM 64 QAM 64 QAM 64 QAM

S khi FEC/ khung ghp xen

67,135,185 63,135,200 135,200 64,135,200

16,34,50 (QPSK) 33,69,100

(16QAM) 49.99,150

(64QAM) 66,133,200

(256QAM)

T l m 3/5 3/5, 2/3, 3/5,2/3,3/4 All

iu ch 256 QAM 256 QAM 256 QAM 256 QAM 256 QAM

Multiple PLPs Lf 27 **)

S subslice 135

iu ch L1 64QAM

Kiu PLP Common DT2 DT2

S khi FEC/ khung ghp xen

35 57 57

T l m 2/3 2/3 2/3

iu ch 64QAM 256QAM 256QAM

BUFS 483328 1613824 1613824

CH THCH. **) gi tr ln nht ph thuc vo thng tin c th trong PLP.

11

31. Sa i, b sung D liu cha cc dch v sau:, mc A.5.5. Lung truyn ti TS E nh sau:

H.264/10 AVC phn gii 720x576 with MPEG1 Layer II;

H.264/10 AVC phn gii 720x576, khng audio;

H.264/10 AVC phn gii 720x576, khng audio;

H.264/10 AVC phn gii 1920x1080i, m thanh HE-AAC 3-2/0 (48 kbit/s);



32. B mc A.5.6. Lung truyn ti TS F

33. Sa i, b sung D liu cha cc dch v sau:, mc A.5.7. Lung truyn ti TS G nh sau:

H.264/10 AVC 720x576i, MPEG1 Layer II;

H.264/10 AVC 720x576i, khng audio;

H.264/10 AVC 720x576i, khng audio;




MPEG2 720x576i, MPEG1 Layer II (BEEP);

H.264/10 AVC 1920x1080i.

34. B mc A.5.10. Lung truyn ti TS K

35. B mc A.5.11. Lung truyn ti TS L

36. Sa i, b sung D liu cha cc dch v sau:, mc A.5.12. Lung truyn ti TS M nh sau:

H.264/10 AVC 1920x1080i;

H.264/10 AVC 1280x720p, MPEG1 Layer II.

37. B mc A.5.13. Lung truyn ti TS N1



40. Sa i, b sung D liu cha cc dch v sau:, mc A.5.16. Lung truyn ti TS O nh sau:

H.264/10 AVC 1920x1080i;

HE-AAC V2, Level 2;

HE-AAC V2, Level 4.

12

41. Sa i mc A.5.17. Lung truyn ti TS P nh sau:

T

T

Tn lung TS P

Lung Bitrates

c im thng s ca lung Thng tin SI/PSI trn lung

Cc php o s dng tng ng Birates (CBR) Video coding Audio coding

1 TS1_B4T.ts 6 Mbps

~1.5 Mbps (CBR) H264/10AVC, 576i, 4:3 HE-AAC v1 Level 2

PAT, PMT, NIT,

SDT, EIT, TOT/TDT

Mc 3.2.2; 3.3.2; 3.4.1; 3.5.1; 3.7.2;

3.9.2; 3.11.2;

3.14.1; 3.15.1;

3.16.2; 3.18.2;

3.19.2; 3.21.2

~350 Kbps (CBR) H264/10AVC, 576p, 16:9 HE-AAC v1 Level 2

~1.5 Mbps (CBR) H264/10AVC, 576p, 4:3 HE-AAC v1 Level 2

2 TS2_B4T.ts 20

Mbps

Variable bitrates H264/10AVC, 576i, 4:3 MPEG-1 Layer II

Musicam

PAT, PMT, NIT,

SDT, EIT, TOT, TDT

Mc 3.2.2; 3.4.1; 3.5.1; 3.12.2; 3.17.2

Variable bitrates H264/10AVC, 576p, 16:9 HE-AAC v1 Level 2


Variable bitrates H264/10AVC, 1080i,

16:9 HE-AAC v2 Level 2

Variable bitrates H264/10AVC, 720P, 16:9 HE-AAC v2 Level 2

3 TS3_B4T.ts

30

Mbps

Variable bitrates H264/10AVC, 576i, 4:3 MPEG-1 Layer II

Musicam

PAT, PMT, NIT,

SDT, EIT, TOT, TDT

Mc 3.1.2; 3.2.2; 3.6.1; 3.10.2; 3.21.4



Variable bitrates H264/10AVC, 1080i,

16:9 HE-AAC v2 Level 2

Variable bitrates H264/10AVC, 720P, 16:9 HE-AAC v2 Level 2

4 TS4_B4T.ts 50

Mbps


PAT, PMT, NIT,

SDT, EIT, TOT/TDT Mc 3.2.2; 3.20.1

~350 Kbps (CBR) H264/10AVC, 576p, 16:9 HE-AAC v1 Level 2

~1.5 Mbps (CBR) H264/10AVC, 576p, 4:3 HE-AAC v1 Level 2


~5.0 Mbps (CBR) H264/10AVC, 720P, 16:9 HE-AAC v1 Level 2

13

42. Sa i dng 11 trong Bng A.10- Danh mc thit b o nh sau:

Th t Thit b o

11 Thit b thu audio c cng HDMI

14

Ph lc 2

Sa i, b sung mt s quy nh ca Quy chun k thut quc gia v tn hiu pht truyn hnh k thut s DVB-T2, K hiu QCVN 64: 2012/ BTTTT

(Ban hnh km theo Thng t s ../2013/TT-BTTTT ngy thng nm 2013 ca B Thng tin v Truyn thng)

1. Sa i on u ca phn Li ni u nh sau:

QCVN 64:2012/BTTTT c xy dng trn c s ti liu ETSI EN 302 755 V1.2.1 Digital Video Broadcasting (DVB); Frame structure, channel coding and

modulation for a second generation digital terrestrial television broadcasting

system (DVB-T2), DVB Document A14-2, Digital Video Broadcasting (DVB);

Measurement guidelines for DVB systems; Amendment for DVB-T2 system.

2. B ch vit tt, gii thch vit tt AC3 v E-AC3 ca mc 1.4. Ch vit tt

3. Sa i mc 2.4. M ha sa li v iu ch nh sau:

Yu cu i vi m ha ghp xen bit v iu ch c quy nh trong iu 6 ca tiu chun ETSI EN 302 755 v1.2.1.

4. Sa i mc 2.5. To, m ha v iu ch bo hiu lp 1 nh sau:

Yu cu i vi to, m ha v iu ch bo hiu lp 1 c quy nh trong iu 7 ca tiu chun ETSI EN 302 755 v1.2.1.

5. Sa i mc 2.6. Cu trc khung nh sau:

Yu cu i vi xy dng khung c quy nh trong iu 8 ca tiu chun ETSI EN 302 755 v1.2.1.

6. Sa i mc 2.7. To OFDM nh sau:

Yu cu i vi to OFDM c m t trong iu 9 ca tiu chun ETSI EN 302 755 v1.2.1.

7. Sa i mt s Yu cu, mc 2.8.2. Ph nh sau:

Ph phi c m ha di dng bitmap theo EN 300 743 v1.3.1.

Tt c ph phi c h tr ti thiu hai ngn ng ting Vit v ting Anh.

8. Sa i ti liu tham kho [1], mc Th mc ti liu vin dn nh sau:

[1] ETSI EN 302 755 v1.2.1: "Digital Video Broadcasting (DVB); Frame structure, channel coding and modulation for a second generation digital

terrestrial television broadcasting system (DVB-T2)".

thong tu 15.2013-btttt

Documents