Disclosure to Promote the Right To Information

Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public.

इटरनट मानक

“!ान $ एक न' भारत का +नम-ण”Satyanarayan Gangaram Pitroda

“Invent a New India Using Knowledge”

“प0रा1 को छोड न' 5 तरफ”Jawaharlal Nehru

“Step Out From the Old to the New”

“जान1 का अ+धकार, जी1 का अ+धकार”Mazdoor Kisan Shakti Sangathan

“The Right to Information, The Right to Live”

“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता ह”Bhartṛhari—Nītiśatakam

“Knowledge is such a treasure which cannot be stolen”

“Invent a New India Using Knowledge”

ह”ह”ह

IS 15954 (2012): Digital set top box for MPEG - 4 DTHservices – Specification [LITD 7: Audio, Video andMultimedia Systems and Equipment]

IS 15954 : 2012

© BIS 2012

April 2012 Price Group 3

B U R E A U O F I N D I A N S T A N D A R D SMANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

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Indian StandardDIGITAL SET TOP BOX FOR MPEG-4 DTH

SERVICES — SPECIFICATION

ICS 33.160.25

Audio-Video and Multimedia Systems and Equipment Sectional Committee, LITD 7

FOREWORD

This Indian Standard was adopted by the Bureau of Indian Standards, after the draft finalized by the Audio-Video and Multimedia Systems and Equipment Sectional Committee had been approved by the Electronicsand Information Technology Division Council.

There is no ISO/IEC Standard on this subject.

The concerned Committee responsible for the formulation of this standard has reviewed the provisions of thefollowing International Standards and has decided that they are acceptable for use in conjunction with thisstandard till Indian Standard on these are published:

ISO/Other Standard TitleISO/IEC 7816 (All Parts) Specifications for smart cardsISO/IEC 11172-3 : 1993 Information technology — Coding of moving pictures and associated audio

for digital storage media at up to about 1.5 Mbit/s — Part 3: Audio: MPEG-1audio layer II

ISO/IEC 13818-1 : 2007 Information technology — Generic coding of moving pictures andassociated audio information — Part 1: Systems

ISO/IEC 13818-2 : 2000 Information technology — Generic coding of moving pictures andincluding Amendment 1(2001) associated audio information — Part 2: Video codingand Amendment 2 (2007)ISO/IEC 14496-3 : 2005 Information technology — Coding of audio-visual objects — Part 3:including Amendment 1 (2005), AudioAmendment 2 (2006),Amendment 3 (2006),and Amendment 5 (2007)ISO/IEC 14496-10 : 2008 Information technology — Coding of audio-visual objects — Part 10:

Advanced video codingETR 289 V1 Support for use of scrambling and Conditional Access (CA) within digital

broadcasting systemsEN 50221 V1 Common interface specification for conditional access and other digital

video broadcasting decoder applicationsETSI TS 101 154 V1.8.1 Digital video broadcasting (DVB) specification for the use of video and

audio coding in broadcasting applications based on the MPEG-2 transportstream

ETSI TR 101 202 Digital video broadcasting (DVB) specification for data broadcasting:Guidelines for the use of EN 301 192

ETSI TR 101 211 V1.7.1 Digital video broadcasting (DVB) guidelines on implementation and usageof service information (SI) in DVB systems

ETSI TS 101 699 V1.1.1 Digital video broadcasting (DVB) extensions to the common interfacespecification

ETSI TS 102 006 V1.1.1 Digital video broadcasting (DVB) specification for system software updatein DVB systems

TS 102 201 V1.1.1 Digital video broadcasting (DVB) integrated receiver decoder for DVB IRDsETSI TS 103 197 Digital video broadcasting (DVB) head-end implementation of DVB

SimulCrypt

(Continued on third cover)

IS 15954 : 2012

1

Indian StandardDIGITAL SET TOP BOX FOR MPEG-4 DTH

SERVICES — SPECIFICATION

1 SCOPE

This standard specifies the requirements for a digitalset top box (STB) for MPEG-4 compression forDVB-S transmission used by subscribers to receivemultichannel television programmes transmittedusing a satellite system direct to subscriber premiseswithout passing through an intermediary such as acable operator.

2 REFERENCES

The standards listed in Annex A contain provisionswhich through reference in this text, constituteprovisions of this standard. At the t ime ofpublication, the editions indicated were valid. Allstandards are subject to revision and partiesto agreement based on this standard are encouragedto investigate the possibility of applying themost recent editions of the standards indicated inAnnex A.

3 REQUIREMENTS

3.1 General Requirements

3.1.1 The STB shall be based on an openarchitecture (non proprietary) and shall ensuretechnical compatibility and effective interoperabilityamongst different DTH service providers in thecountry. The interoperability shall be achieved byusing common interface conforming to EN 50221‘Common interface specification for conditionalaccess and other digital video broadcast decoderapplications’ including ‘TS 101699 Extensions’ toDVB-CI specification and via software downloadwhere the software download mechanism shall betransparent, interoperable and available in the publicdomain complying with ETSI TS 102006. The STBshall have at least one common interface slotcomplying to EN 50221.

3.1.2 The manufacturer shall ensure compatibility/interfacing with consumer electronic equipmentssuch as televisions, audio and video systems andVCRs, etc, in the country.

3.1.3 Specifications

Clause

3.1.3.0

3.1.3.1

Specification

Satellite Reception

Demodulation andForward ErrorCorrection (FEC)Decoding

Mandatory

Multiple satellites and multipletransponder support.Supports:a) DiSEqC1.0, DiSEqC 1.2 andb) 13/18 V and 0/22 KHz tone

Capability to demodulate anddecode DTH signals channelcoded and modulated inaccordance with the DVB-Sstandard (EN 300421 )

Optional

Supports DiSEqC 2.0

Capability to demodulate and decodeDTH signals channel coded andmodulated in accordance with the DVB-S 2 standard (EN 302307 )Should be capable of receiving signalsemitted using either (a) or (b) and (c)or (d) of following modes:a) Backward compatible modeb) Non-backward compatible modec) Constant coding and modulation

(CCM)d) Variable coding and modulation

(VCM)

IS 15954 : 2012

2

Clause

3.1.3.2

3.1.3.3

3.1.3.4

3.1.3.5

3.1.3.6

Specification

Decompression/Decoding-Video

Decompression/Decoding-Audio

Data Services

Subtitle Streams

Service Demulti-plexing

Mandatory

The STB should be capable ofdecompressing and decodingvideo signals in accordancewith:a) ISO/IEC 14496-10 : 2008

‘Information technology —Coding of audio-visualobjects — Part 10: Advancedvideo coding: Main profile atlevel 3

b) ISO/IEC 13818-2 : 2000‘Information technology —Generic coding of movingpictures and associatedaudio information — Part 2:Video coding’ (includingamendment 1 issued in 2001and amendment 2 issued in2007): Main profile at mainlevel

Capabili ty to decompress/decode audio compressed inaccordance to ISO/IEC 11172-3 : 1993 ‘Information technology— Coding of moving picturesand associated audio for digitalstorage media at up to about 1.5Mbit/s — Part 3: Audio’: MPEG-1 audio layer II

Capabili ty to receive andprocess SI (Service Information)as laid down in EN 300 468 andTR 101211

Optional

The STB should be capable ofdecompressing and decoding videosignals in accordance with:

a) ISO/IEC 14496-10 : 2008 ‘Informationtechnology — Coding of audio-visualobjects — Part 10: Advanced videocoding’ : High profile at level 4

b) Capable of decoding scalable videocoding as per Annex G of ISO/IEC14496-10 : 2008 ‘Informationtechnology — Coding of audio-visualobjects — Part 10: Advanced videocoding’

c) ISO/ IEC 13818-2 : 2000 ‘Informationtechnology — Generic coding ofmoving pictures and associated audioinformation — Part 2: Video coding’(including amendment 1 issued in2001 and amendment 2 issued in 2007):Main profile at high level

Capability to decompress/decode Audiocompressed in accordance to:a) Audio Coding 3 (AC3)b) Enhanced AC3c) ISO/IEC 14496-3 :2005 ‘Information

technology — Coding of audio-visualobjects — Part 3: Audio’(includingamendment 1 issued in 2007,amendment 2 issued in 2006,amendment 3 issued in 2006 andamendment 5 issued in 2007)

d) Digital theater system

Capability to receive and process datastreams compliant to EN 301192 andTR 101202

Capability to receive and process subtitlestreams compliant to EN 300 743

Clause Specification Mandatory Optional

3.1.3.7

3.1.3.8

3.1.3.9

3.1.3.10

3.1.3.11

ConditionalAccess/Scrambling

UpstreamCommunication

Interfaces/Connectors

Software UpdationMechanism

PVR Functionality

a) Capability to descrambleservices scrambled inaccordance with DVB-CSA(ETR 289) includingdecryption of signals whichhave been SimulCrypt inaccordance with ETSI TS 103197

b) STB may have provision forsmart card operation. If smartcard is provided it shall be inaccordance with IS 14202(Parts 1, 2 and 3)

a) Satellite input — 75 ohmsimpedance, female connector(as per IEC 60169-24)

b) Output video – RCA type(Yellow)

c) Output Audio mono viaSoftware (optional )RCA type stereo(mandatory)RCA type (L- White, R-Red )

d) DVB-CI (Common Interface)as per EN 50221 and TS101699

As per TS 102 006

Bidirectional interactive services may bedeployed through the return channel

a) RF Output — 75 ohms impedance,male connector (as per IEC 60169-2)

b) HDMI, as specified in TS 102201c) USB 2.0 Portsd) RF Input (Loop through) 75 ohms

impedance, female connector (as perIEC 60169 -24)

e) RJ 11 (for PSTN modem)f) RJ45 for ethernet connectiong) Digital audio connector (RCA type

Orange)h) Digital Audio SPDIF

1) Optical2) Coaxial

RS 232C port for uploading controlsoftware and additional service

The PVR functionality: This may beprovided as an option enabling therecording of live A/V programmes to theSTB hard drive and the ability to playback video with VCR like controls

3

IS 15954 : 2012

3

3.2 Performance Requirements

The requirements for various performanceparameters for the STB shall be as given in Table 1.

3.3 Safety Requirements

The safety requirements of receiver shall conform toIS 13252.

3.4 Electromagnetic Compatibility (EMC)Requirements

The EMC requirements of the STB shall conform toIS 6873 (Part 3).

4 MARKING

4.1 Each STB shall be legibly and indelibly markedwith at least the following information:

a) Manufacturer’s name or trade-mark (if any);b) Model designation and serial No.;c) Country of manufacture;d) Input supply voltage and frequency;e) Power consumption;f) Satellite input terminal and satellite output

terminal, if applicable; andg) All connectors.

Table 1 Performance Requirements(Clauses 3.2, 5.6 and 6)

4.2 BIS Certification Marking

The STB may also be marked with the Standard Mark.

4.2.1 The use of the Standard Mark is governed bythe provisions of the Bureau of Indian StandardsAct, 1986 and the Rules and Regulation madethereunder. The details of conditions under which alicense for the use of the Standard Mark may begranted to manufacturers and/or producers may beobtained from the Bureau of Indian Standards.

5 ENVIRONMENTAL TESTS

5.1 Bump Test

The STB shall be subjected to bump test carried outin accordance with IS 9000 (Part 7/Sec 2), the numberof bumps being 500 + 10 and acceleration being400 m/s2. After this test the receiver shall conform tothe performance requirements specified in 5.6. Thistest shall be carried out under packed condition.

5.2 Drop Test

The STB shall withstand drop test as given inIS 13252. After this test the STB shall conform to theperformance requirements given in 5.6.

5.3 Dry Heat Test

The STB shall be subjected to dry heat test ofseverity + 55oC for 16 h, carried out in accordancewith IS 9000 (Part 3/Sec 5). After recovery, the STBshall conform to the performance requirements givenin 5.6. The duration of the recovery shall be 2 h.

5.4 Damp Heat Test

The STB shall be subjected to damp heat cyclic testin accordance with IS 9000 (Part 5/Sec 1). Afterrecovery the STB shall conform to the performance

requirements given in 5.6. The duration of therecovery shall be 24 h.

5.5 Cold Test

The STB shall withstand, a cold test of severity– 10oC for 2 h carried out in accordance withIS 9000 (Part 2/Sec 4). After recovery, the receivershall conform to the performance requirements givenin 5.6. The duration of the recovery shall be 2 h.

5.6 Post Measurement After Each EnvironmentalTest

After each environmental test (see 5.1 to 5.5), theSTB shall meet the safety requirements of 3.3 andthe requirements given in Table 1 for the followingparameters:

a) RF output level (if applicable) [see S1 No. v(c) of Table 1];

b) Carrier to noise ratio (if applicable) [see S1No. v (d) of Table 1];

c) Reception of service; andd) For STBs where the RF output option is not

available, tests in items (a) and (b) aboveshould be replaced by the testing of the videooutput for compliance to the InternationalStandard ITU-R BT 470-7 ‘Conventionalanalogue television systems’.

6 OPERATING LIFE TEST

The STB shall be subjected to operating life testconsisting of 5 h operation and 1 h rest period for atotal operating period of 1 000 h at rated voltageand at ambient temperature. At the end of theoperating life duration, the requirements given in 3.3and Table 1 shall be met with.

IS 15954 : 2012

4

Sl No. Specifications/Parameters

MandatoryVa l u e s

Opt ional

i)

ii)

iii)

Electrical specificationsa) Input voltage rangeb) Frequency

RF characteristics to besupported by the receiver

LNBF Control

a) 90-270 V acb) 50 Hz + 2 percent

As per DVB-S standard (see 3.1.3.1)

The STB shall have provisions toprovide proper power supply andswitching signal for oscil latorselection and polarization selectionfor LNB

As per DVB-S2 depending upon selectedoperation mode (see 3.1.3.1)

IS 15954 : 2012

5

ANNEX A(Clause 2)

LIST OF REFERRED INDIAN STANDARDS

IS No. Title6873 (Part 3) : Limits and methods of measurement of

1999 radio disturbance characteristics: Part 3Sound and television broadcastreceivers and associated equipment(first revision)

9000 Basic environmental testingprocedures for electronic and electricalitems:

(Part 2/Sec 4) : Cold test, Section 4 Cold test for heat1977 dissipating items with gradual change

of temperature(Part 3/Sec 5) : Dry heat test, Section 5 Dry heat test

1977 for heat dissipating items with gradualchange of temperature

(Part 5/Sec 1) : Damp heat cyclic test, Section 11981 16 + 8 h cycle

(Part 7/Sec 2) : Impact test, Section 2 Bump1979

IS No. Title13252 : 2003 Safety of information technology

equipment including electrical businessequipment (first revision)

13420 (Part 1) : Cabled distribution systems for2002 television and sound signals: Part 1

Methods of measurement and systemperformance (second revision)

14202 Identification cards — Integratedcircuit(s) — Cards with contacts:

(Part 1) : 2003 Physical characteristics (first revision) (Part 2) : 2003 Dimensions and location of the

contacts (first revision)(Part 3) : 2002 Electronic signals and transmission

protocols

Sl No. Specifications/Parameters

MandatoryVa l u e s

Opt ional

iv)

v)

vi)

vii)

viii)

ix)

STB tuner performancecharacteristics :a) Input level per carrierb) Input frequency rangec) Symbol rated) RF input impedancee) RF input return loss

RF re-modulator output :a) Modulation formatb) RF output channelc) RF output leveld) Carrier to noise ratio

Remote control

Operating ambienttemperature range

Operating humidity range

Finger printing

a) -65dBm, Min to -25dBm, Maxb) 950 to 2 150 MHzc) 2 – 45 M Symbols/Sd) 75 e) 8 dB, Min

Mandatory

5°C-50°C

5 to 95 percent (non-condensing)

Mandatory; but service provider freeto choose mechanism

As per DVB-S2 depending upon selectedoperation mode (see 3.1.3.1)

a) PAL B (for VHF) or PAL G (for UHF)b) VHF Channel 3/4 or Agile/UHFc) 60 dBmV, Min to 80 dB V, Max

Method of tests : 4.7 of IS 13420(Part 1)

d) 44 dB, MinMethod of tests : 4.5 of IS 13420(Part 1)

Table 1 (Concluded)

µ

Ω

ISO/Other Standard TitleETSI EN 302 307 V1.1.1 Digital video broadcasting (DVB), second generation framing structure,

channel coding and modulation systems for broadcasting, interactiveservices, news gathering and other broadband satellite applications

ETSI TR 102 376 V1.1.1 User guidelines for the second generation system for broadcasting,interactive services, news gathering and other broadband satelliteapplications (DVB- S2)

ETSI EN 300 421 (V1.1.2) Digital video broadcasting (DVB) framing structure, channel coding andmodulation for 11/12 GHz satellite services

ETSI EN 300 468 V1.7.1 Specifications for service information (SI) in DVB systemsETSI EN 301 192 V1.4.1 Digital video broadcasting (DVB); DVB specification for data broadcastingETSI EN 300 743 V1.3.1 Subtitling systemsITU-R BT 470-7 Conventional analogue television systems

For the purpose of deciding whether a particular requirement of this standard is complied with, the final value,observed or calculated, expressing the result of a test or analysis, shall be rounded off in accordance withIS 2 : 1960 ‘Rules for rounding off numerical values (revised)’. The number of significant places retained inthe rounded off value should be the same as that of the specified value in this standard.

(Continued from second cover)

Bureau of Indian Standards

BIS is a statutory institution established under the Bureau of Indian Standards Act, 1986 to promote harmoniousdevelopment of the activities of standardization, marking and quality certification of goods and attending toconnected matters in the country.

Copyright

BIS has the copyright of all its publications. No part of these publications may be reproduced in any form withoutthe prior permission in writing of BIS. This does not preclude the free use, in course of implementing the standard,of necessary details, such as symbols and sizes, type or grade designations. Enquiries relating to copyright beaddressed to the Director (Publications), BIS.

Review of Indian Standards

Amendments are issued to standards as the need arises on the basis of comments. Standards are also reviewedperiodically; a standard along with amendments is reaffirmed when such review indicates that no changes areneeded; if the review indicates that changes are needed, it is taken up for revision. Users of Indian Standardsshould ascertain that they are in possession of the latest amendments or edition by referring to the latest issue of‘BIS Catalogue’ and ‘Standards: Monthly Additions’.

This Indian Standard has been developed from Doc No. : LITD 7 (3140).

Amendments Issued Since Publication______________________________________________________________________________________

Amendment No. Date of Issue Text Affected______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

______________________________________________________________________________________

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