BS EN 62753:2015
$198.66
Digital terrestrial television receivers for the DTMB system
| Published By | Publication Date | Number of Pages |
| BSI | 2015 | 70 |
IEC 62753:2015(E) specifies the basic functions, interfaces, performance requirements and test methods of the receivers for the Digital Terrestrial/Television Multimedia Broadcasting (DTMB) system. This standard can be applied to digital television terrestrial receivers carrying multiple SDTV programs or HDTV programs for both mobile and stationary receptions.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | CONTENTS |
| 11 | FOREWORD |
| 13 | INTRODUCTION |
| 14 | 1 Scope 2 Normative references 3 Abbreviations and symbols |
| 16 | 4 Summary of DTMB transmission system 4.1 General 4.2 Processing of DTMB transmitter Figures Figure 1 – Diagram of DTMB transmitter processing |
| 17 | 4.3 Processing of DTMB receiver 5 Receiver capabilities 5.1 Frequency spectrum 5.1.1 Frequency range 5.1.2 Channel bandwidth 5.1.3 Frequency acquisition range 5.2 Power supply requirements 5.3 Interface requirements Figure 2 – Diagram of DTMB receiver processing Tables Table 1 – Power supply requirements |
| 18 | 5.4 Working modes 5.5 Program search and tuning 5.5.1 General 5.5.2 Receive quality display Table 2 – Requirements of interface Table 3 – Required working modes |
| 19 | 5.5.3 Automatic search 5.5.4 Manual search 5.5.5 Modulation parameters change 5.6 Demultiplex characteristics 5.6.1 General 5.6.2 TS data rate 5.6.3 STC recovery 5.6.4 Error control 5.6.5 PID filters 5.6.6 Multi-component programs |
| 20 | 5.7 Transport stream decoding characteristics 5.7.1 Service and program information |
| 22 | 5.7.2 EPG 5.7.3 Presentation of subtitle 5.8 Function requirements 5.8.1 General Table 4 – Requirements of EPG supporting |
| 23 | 5.8.2 Software version update 5.8.3 Chinese graphical operation interface 5.8.4 Service list Table 5 – Supporting functions |
| 24 | 5.8.5 Status bar 5.8.6 User parameter settings and storage 5.8.7 Power failure memory |
| 25 | 5.8.8 Restore factory settings 5.8.9 Real time clock 6 Video and audio system characteristics 6.1 Video system characteristics 6.1.1 General 6.1.2 Fast acquisition 6.1.3 Still images 6.1.4 Baseband video input format Table 6 – Video parameters |
| 26 | 6.2 Audio system characteristics 7 RF part and channel decoder 7.1 RF port 7.1.1 RF input port 7.1.2 RF loop output port Table 7 – Video format |
| 27 | 7.2 Performance 7.2.1 Failure point criteria 7.2.2 Carrier to noise ratio threshold 7.2.3 Minimum signal input levels 7.2.4 Maximum signal input level 7.2.5 Immunity to analogue signals in an adjacent channel Table 8 – C/N for reference AEF Table 9 – Minimum received signal level |
| 28 | 7.2.6 Immunity to co-channel analogue signals 7.2.7 Immunity to digital signals in an adjacent channel Table 10 – Immunity to analogue signals in a N − 1 adjacent channel Table 11 – Immunity to analogue signals in a N 1 adjacent channel Table 12 – Immunity to co-channel analogue signals |
| 29 | 7.2.8 Immunity to co-channel digital signals 7.2.9 Resistance to 0 dB echo Table 13 – Immunity to digital signals in an adjacent channel Table 14 – Immunity to co-channel digital signals Table 15 – Requirements of delay to 0 dB echo |
| 30 | 7.2.10 Resistance to dynamic multipath channel 7.2.11 Resistance to pulse noise interference 8 Test method 8.1 RF demodulation and channel decoding 8.1.1 General Table 16 – Requirements of C/N thresholds to 30 s echo Table 17 – Resistance to dynamic multipath channel Table 18 – Requirements of pulse noise interference length |
| 31 | 8.1.2 Frequency range 8.1.3 Frequency acquisition range 8.1.4 Program search and tuning Figure 3 – Test set-up for frequency range |
| 32 | 8.1.5 Return loss of RF input port Figure 4 – Test set-up for program search and tuning |
| 33 | 8.1.6 C/N threshold of Gaussian 8.1.7 Signal input level range Figure 5 – Test set-up for return loss Figure 6 – Test set-up for C/N threshold of Gaussian Figure 7 – Test set-up for signal input level range |
| 34 | 8.1.8 Immunity to analogue signals in adjacent channels 8.1.9 Immunity to analogue signals in a co-channel Figure 8 – Test set-up for immunity to analogue signals in adjacent channels |
| 35 | 8.1.10 Immunity to digital signals in adjacent channels 8.1.11 Immunity to digital signals in a co-channel Figure 9 – Test set-up for immunity to digital signals in adjacent channels |
| 36 | 8.1.12 Resistance to 0 dB echo 8.1.13 Resistance to a dynamic multipath channel Figure 10 – Test set-up for resistance to 0 dB echo |
| 37 | 8.1.14 Resistance to pulse noise interference 8.2 Demultiplex characteristics 8.2.1 TS data rate Figure 11 – Test set-up for immunity to pulse noise interference Figure 12 – Test set-up for TS data rate |
| 38 | 8.2.2 STC recovery 8.2.3 Error control Figure 13 – Test set-up for STC recovery |
| 39 | 8.2.4 PID filters 8.2.5 Multi-component programs processing 8.3 Transport stream decoding 8.3.1 Service and program information |
| 40 | 8.3.2 EPG 8.3.3 Presentation of text 8.4 Power endurance 8.4.1 Power voltage endurance Figure 14 – Test set-up for power voltage and frequency endurance |
| 41 | 8.4.2 Power frequency endurance |
| 42 | Annex A (normative)Acceptable error free |
| 43 | Annex B (normative)Multipath channel models B.1 Rayleigh channel model B.2 Rice channel model Table B.1 – Rayleigh channel model (static) |
| 44 | B.3 Dynamic multipath channel model Table B.2 – Rice channel model (static) Table B.3 – Dynamic multipath channel model |
| 45 | Annex C (informative)Guide to the implementing of a DRA audio decoder in a DTMB receiver C.1 General C.2 Outline, terms and definitions C.2.1 Outline |
| 46 | Figure C.1 – Decoder |
| 47 | C.2.2 Terms and definitions |
| 49 | C.3 DRA syntax structure C.3.1 General C.3.2 DRA bit stream C.3.3 Frame |
| 50 | C.3.4 Frame header |
| 51 | C.4 Semantic C.4.1 General C.4.2 Bit stream C.4.3 Frame Table C.1 – Frame structure |
| 52 | C.4.4 Frame header C.4.4.1 Frame header type Table C.2 – Data structure of a normal channel Table C.3 – Data structure of LFE channel |
| 53 | C.4.4.2 Length of audio data frame C.4.4.3 Number of short window MDCT blocks Table C.4 – Frame header type Table C.5 – Difference between two types of frame headers Table C.6 – Number of bits used for decoding the length of audio data frame |
| 54 | C.4.4.4 Sample rate index C.4.4.5 Number of normal channels Table C.7 – Sampling frequency supported by this annex Table C.8 – Number of bits used for decoding the number of normal channels |
| 55 | C.4.4.6 Number of LFE channels C.4.4.7 Auxiliary information decision C.4.4.8 Sum/difference coding decision C.4.4.9 Joint intensity coding decision Table C.9 – Number of bits used for decoding the number of LFE channels Table C.10 – Channel configuration auxiliary information decision Table C.11 – Sum/difference coding decision Table C.12 – Intensity joint coding decision |
| 56 | C.4.4.10 Joint intensity coding starting a critical band C.4.5 Unpacking window sequence bits C.4.5.1 General C.4.5.2 Window function type C.4.5.3 Number of transient clusters Table C.13 – Window function index |
| 57 | C.4.5.4 Length of transient cluster Table C.14 – Number of transient clusters Table C.15 – Implicit length of a transient cluster of a stationary frame Table C.16 – Starting location of the first transient cluster and the location where the first transient occurs |
| 58 | C.4.6 Unpacking Huffman code book selection and application range bits C.4.7 Unpacking quantization index bits of subband samples C.4.8 Unpacking quantization stepsize index bits C.4.9 Unpacking sum/difference coding decision bits C.4.9.1 General Table C.17 – Variables used to decode sum/difference coding decision |
| 59 | C.4.9.2 All unused sum/difference coding decision C.4.9.3 Sum/difference coding decision C.4.10 Unpacking joint intensity coding scale factor bits C.4.11 Unpacking padding bits C.4.12 Unpacking auxiliary data C.5 Decoding C.5.1 Channel arranging and configuration Table C.18 – All unused sum/difference coding decision Table C.19 – Sum/difference coding decision |
| 60 | Table C.20 – Default normal channel configuration Table C.21 –Presentation of a normal channel configuration Table C.22 – Audio data arranging the order of each channel in the audio frame |
| 61 | C.5.2 Downmixing Table C.23 – Arranging the order of audio data for 5.1 channelsurround sound in the audio frame |
| 62 | C.5.3 De-interleaving Table C.24 – Subband samples arranged in a natural order |
| 63 | C.5.4 Reconstruction of the number of quantification units C.5.5 Dequantizer Table C.25 – Subband samples arranged in interleaving order |
| 64 | C.5.6 Joint intensity decoding C.5.7 Sum/difference decoding C.5.8 Variable resolution synthesis filter bank |
| 67 | C.5.9 Reconstruction of the short/brief window function sequence Table C.26 – Optional window function around the transient location |
| 68 | Bibliography |
