Thailand Car DVB-T2 STB

Required information for car DVB-T2 set-top-box import permission


Technical requirements of connectors and interfaces for car.docx

DVB-T2

1.   

   Technical requirements of connectors and interfaces
1.1 RF Input Connector

1.1 RF Input Connector

Female connector shall be in accordance with IEC 60169-2, with input impedance of 75 ohm.

Required documents
      Photo of receiver showing complete connector

The receiver without display screen (Set-Top-

Box) shall support DC power supply of 5V for

active antenna, with users being able to set

on/off by themselves, and the default shall be

set to “off.”

Required documents

      Complete testing report
by………………………………………………………….

 


1.2 RF loop-through (The receiver without display screen)

The receiver without display screen shall have

the male connector in accordance with IEC

60169-2.

Required documents

     Photo of receiver showing male connector


1.3 Video and audio connectors (The receiver without display screen)

The RCA-phono socket for the stereo audio

that comes with cable or other connectors

and the cable that enable to convert to the

RCA-phono socket;

Required documents

    Photo of receiver showing RCA-phono socket for the stereo audio and cable

    Photo of receiver showing other connectors and the cable that enable to convert to the RCA-phono socket

 

The RCA-phono socket for the composite

that comes with cable or other connectors

and the cable that enable to convert to the

RCA-phono socket;

Required documents

    Photo of receiver showing RCA-phono socket for the composite and cable

    Photo of receiver showing other connectors and the cable that enable to convert to the RCA-phono socket

 

To support the HDMI connection that

enables to protect the duplication in the

event of digital output and comes with

cable.

Required documents

    Photo of receiver showing HDMI socket and HDMI cable

 

 Thailand Car DVB-T2

2.      RF Tuner and Decoder Requirements

2.1 Radio Frequency Requirements
1. Frequency range of receiver: 470-862 MHz
2. Bandwidth: 8 MHz

3. Noise Figure (NF): Not exceeding 6 dB

4. Receiver sensitivity: Below -78.3 dB for FFT 32K (extended), 256- QAM, code rate 2/3,

SISO and pilot pattern PP7
5. Channel offset: Able to receive carriers within an offset of up to ±125 kHz from the nominal center frequency.

Required documents

      Complete testing report
by………………………………………………………….

 

2.2 DVB-T2 Operating Modes

The method of RF tuner and decoder for the DVB-T2 system shall be in line with the ETSI EN 302 755 v.1.2.1 or a newer version of the ETSI EN 302 755. However, it shall support to function according to below
1. FFT size: 1K, 2K, 4K, 8K (normal), 8K (extended), 16K

(normal), 16K (extended), 32K (normal), and 32K

(extended)

2. Modulation : QPSK,16-QAM, 64-QAM, and 256-QAM

3. Code rate : 1/2, 3/5, 2/3, 3/4, 4/5, and 5/6

4. Guard interval : 1/128, 1/32, 1/16, 19/256, 1/8, 19/128, and ¼

5. Pilot pattern : PP1 to PP7

6. Service type : Support both Single PLP (Mode A) and Multiple PLP (Mode B)

                           : Support Single Frequency                  Network (SFN) in accordance with ETSI TS 101 191 [6]

 

Required documents

      Complete testing report showing in line with the ETSI EN 302 755 v.1.2.1
by………………………………………………………….

      Complete testing report showing in line with the newer version of ETSI EN 302 755
by………………………………………………………….

 

 

3.       Technical Requirements of De-multiplexing and Transport Stream

De-multiplexing and decoding for MPEG-2 transport stream of the receiver shall comply with ETSI TS 101 154 [7] and ISO/IEC 13818-1

Required documents

      Complete testing report
by………………………………………………………….

 

 

4.       Technical Requirements of Video and Audio Signals

Technical specifications of video and audio signals shall comply with the requirements in

4.1 Video decoder :
MPEG-4 AVC/H.264 in accordance with ISO/IEC 14496-10 [9]

Required documents

      Complete testing report
by………………………………………………………….

 

4.2 Video display :
1. Support High Definition (HD) format with 1920x1080 interlaced (1080i)

Frame rate : 25 frames/sec

Aspect ratio : 16:9

2. Support High Definition (HD) format with 1280x720 progressive (720p)

Frame rate : 50 frames/sec

Aspect ratio : 16:9

3. Support Standard Definition (SD) format with 720x576 interlaced (576i)

Frame rate : 25 frames/sec

Aspect ratio : 16:9 and 4:3

Required documents

      Complete testing report
by………………………………………………………….

 

 4.3 Audio decoder : Decoding stereo audio signal, MPEG-4 HE AACv2, in accordance with

ISO/IEC 14496-3

Required documents

      Complete testing report
by………………………………………………………….

 

4.4 The video display shall support display types in accordance with the specification of Active Format Description (AFD) under the ETSI TS 101 154 standard, by supporting at least two types shown in Table 5 below.

Required documents

      Complete testing report
by………………………………………………………….

 


Table 5 Video signal display formats

5.       Technical Requirements of Data Processing and Display

 

5.1 Processor and Memory

The receiver shall have processor and memory that are equal to or better than the following specifications:

- DDRAM Memory : minimum 64 MB

- Flash Memory : minimum 8 MB

- CPU Processor Speed : minimum 300 MHz

 

Required documents

      Complete testing report
by………………………………………………………….

 

5.2   Character Set

The receiver shall support character set as specified in ETSI EN 300 468 in

Character Code Table 00 – Latin alphabet with Unicode equivalents and Character Code Table 07 - Latin/Thai alphabet with Unicode equivalents.

 

Required documents

      Complete testing report
by………………………………………………………….

 

5.3 On Screen Display (OSD) Language

The receiver shall support Thai and English menu, with the default being set to Thai

or the user being able to select language at the first time of use.

Required documents

      Complete testing report
by………………………………………………………….

 

5.4 Subtitling System

The receiver shall support the subtitling system in accordance with ETSI EN 300 743

[12] and shall also be able to decode and display in Display Definition Segment

(DDS) under such standard.

Required documents

      Complete testing report
by………………………………………………………….

 

5.5 Support of Multi-Language Display

The receiver shall support multi-language audio output and subtitling and allow

users to choose the primary language of their own, and shall at least support the languages specified in Thai (THA)  English (ENG) and original audio (QAA)

Moreover, the digital terrestrial television receiver shall support the audio description in a manner of Broadcast Mix according to ETSI TS 101 154. In this regard, the user shall be able to turn on/off the audio description by pressing the “Audio” button in general or “AD” button specifically on a remote control.

Required documents

      Complete testing report
by………………………………………………………….

 

5.6 Service and Channel Number

The receiver shall be able to receive all signals in each service area by scanning through frequency range 470-862 MHz. All services shall have a logical channel number (LCN), and the digital terrestrial television channel with original network ID (ONID) of Thailand shall be arranged as the first priority. The channel plan shall cover from number 1 through number 999 and shall be assigned as follows:

(1) Number 1 to 799 shall be reserved for domestic channels which have ONID of 0x22FC.

(2) Number 800 to 999 shall be reserved for channels which have other ONID. If the digital terrestrial television network is updated or changed as follows:

(1) addition or deletion of multiplexes,

(2) change in frequency of multiplex,

(3) addition or deletion of television channels,

(4) change in channel number, or

(5) any other change that affects the television channel

The receiver shall be fully updated and correctly display television channels.

Required documents

      Complete testing report
by………………………………………………………….

 

5.7 Logical Channel Descriptor
The receiver shall support the Logical Channel Descriptor Version 2 and Private Data Specifier ID (PDS ID) is 0x000022FC, which is the information on channel list in service area, as detailed in Table 7.

Required documents

      Complete testing report
by………………………………………………………….

 

 

 

Table 7 Structure of local channel descriptor

Following are parameter descriptions:

Descriptor_tag shall be 0x87 (or 135 in decimal).

Descriptor_length is 8-bit field for specifying the length of descriptor.

Channel_list_id is 8-bit field and is used for specifying a channel list for each

service area. Such value shall be unique within the Original Network.

In case more than one list of channels is found when scanning, users shall be able

to select their desired list. The receiver shall arrange the channels according to each

list.

Channel_list_name_length is 8-bit field and is used for identifying number of

bytes that follow this field (name of the channel list) that specifies the number of

characters in the name of the channel list. Such name is limited to a maximum of 23

bytes.

Char is 8-bit character. A String of characters is used for describing the name of the

channel list. Such information shall be in reference to the character set defined in

Character Code Table 00 – Latin alphabet with Unicode equivalent in accordance with

ETSI EN 300 468.

Country_code is 24-bit field used for specifying country name in a three-character

type in accordance with ISO 3166 [14]. Each character shall be coded into 8 bits in

accordance with ISO 8859-1 [15] and shall be inserted respectively in this 24-bit field.

This field must be set to "THA."

Service_id is used for specifying service ID on the transport stream.

Visible_service_flag is set to 1 when desiring to display the television channel

(visible) and is set to 0 when desiring not to display the television channel (not visible).

Reserved_future_use shall be set to 1. The receiver must ignore this field.

Logic_channel_number is channel number.

 

5.8 Electronic Program Guide (EPG)

The receiver shall support processing and display of electronic program guide (EPG)

from DVB SI EIT p/f Table and DVB SI EIT Schedule in accordance with ETSI EN 300

468. The display must include at least the following data:

(1) Current date (day/month/year) and time

(2) Start time of present program (now/present) and next program

(next/follow)

(3) End time of present program (now/present) and next program

(next/follow)

(4) Logical Channel Number (LCN)

(5) Event name and/or title of program

(6) Short description

(7) Program category

The receiver shall be able to store and display EPG in advance of at least 7 days (24 hours/day).

Required documents

      Complete testing report
by………………………………………………………….

 

5.9 Display of Signal Strength and Signal Quality

The receiver shall be able to display the signal strength and signal quality on panel of the receiver or through the display screen.

Required documents

      Complete testing report
by………………………………………………………….

 

6. System Software Update (SSU)

The receiver shall support the software update functions as specified in ETSI TS 102 006 [16] and shall at least support simple profile.

Required documents

      Complete testing report
by………………………………………………………….

 

 

References

[1] TIS 1195-2536: Mains Operated Electronic and Related Apparatus for Household and

Similar General Use: Safety Requirements

[2] CISPR 13:2009: Sound and television broadcast receivers and associated equipment –

Radio disturbance characteristics – Limits and methods of measurement

[3] TIS 2185-2547: Sound and television broadcast receivers and associated equipment:

Radio disturbance limits

[4] IEC 60169-2: Radio-frequency connectors, Part 2: Coaxial unmatched connector

[5] ETSI EN 302 755 v1.3.1 (2012-04): Digital Video Broadcasting (DVB); Frame structure

channel coding and modulation for a second generation digital terrestrial television

broadcasting system (DVB-T2)

[6] ETSI TS 101 191 v1.4.1 (2004-06): Digital Video Broadcasting (DVB); DVB mega-frame for

Single Frequency Network (SFN) synchronization

[7] ETSI TS 101 154 v1.10.1 (2011-06): Digital Video Broadcasting (DVB); Specification for

the use of Video and Audio Coding in Broadcasting Applications based on the MPEG-2

Transport Stream

[8] ISO/IEC 13818-1:2007: Information technology - Generic coding of moving pictures and

associated audio information: Systems

[9] ISO/IEC 14496-10:2012: Information technology - Coding of audio-visual objects - Part

10: Advanced video coding

[10] ISO/IEC 14496-3:2009: Information technology - Coding of audio-visual objects - Part 3:

Audio

[11] ETSI EN 300 468 v1.13.1 (2012-08): Digital Video Broadcasting (DVB); Specification for

Service Information (SI) in DVB systems

[12] ETSI EN 300 743 v1.4.1 (2011-10): Digital Video Broadcasting (DVB); Subtitling systems

[13] ISO 639-3: Codes for the representation of names of languages - Part 3: Alpha-3 code

for comprehensive coverage of languages

[14] ISO 3166: Codes for the representation of names of countries and their subdivisions

[15] ISO 8859-1: Information technology - 8-bit single-byte coded graphic character sets -

Part 1: Latin alphabet No. 1

[16] ETSI TS 102 006 v1.3.2 (2008-07): Digital Video Broadcasting (DVB); Specification for

System Software Update in DVB Systems


if you need any further Thailand Car DVB-T2 information, please contact VCAN


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