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इंटरनेट मानक 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. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 15954 (2012): Digital set top box for MPEG - 4 DTH services – Specification [LITD 7: Audio, Video and Multimedia Systems and Equipment] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 15954 : 2012 Hkkjrh; ekud ,eisx 4 Mh Vh ,p lsokvksa osQ fy, fMftVy - lSV VkWi ckWDl fof'kf"V — Indian Standard DIGITAL SET TOP BOX FOR MPEG-4 DTH SERVICES — SPECIFICATION ICS 33.160.25 © BIS 2012 B U R E A U O F I N D I A N S T A N D A R D S MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 April 2012 Price Group 3 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 Electronics and 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 the following International Standards and has decided that they are acceptable for use in conjunction with this standard till Indian Standard on these are published: ISO/Other Standard Title ISO/IEC 7816 (All Parts) Specifications for smart cards ISO/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-1 audio layer II ISO/IEC 13818-1 : 2007 Information technology — Generic coding of moving pictures and associated audio information — Part 1: Systems ISO/IEC 13818-2 : 2000 Information technology — Generic coding of moving pictures and including Amendment 1(2001) associated audio information — Part 2: Video coding and Amendment 2 (2007) ISO/IEC 14496-3 : 2005 Information technology — Coding of audio-visual objects — Part 3: including Amendment 1 (2005), Audio Amendment 2 (2006), Amendment 3 (2006), and Amendment 5 (2007) ISO/IEC 14496-10 : 2008 Information technology — Coding of audio-visual objects — Part 10: Advanced videocoding ETR 289 V1 Support for use of scrambling and Conditional Access (CA) within digital broadcasting systems EN 50221 V1 Common interface specification for conditional access and other digital video broadcasting decoder applications ETSI 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 transport stream 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 usage of service information (SI) in DVB systems ETSI TS 101 699 V1.1.1 Digital video broadcasting (DVB) extensions to the common interface specification ETSI TS 102 006 V1.1.1 Digital video broadcasting (DVB) specification for system software update in DVB systems TS 102 201 V1.1.1 Digital video broadcasting (DVB) integrated receiver decoder for DVB IRDs ETSI TS 103 197 Digital video broadcasting (DVB) head-end implementation of DVB SimulCrypt (Continued on third cover) IS 15954 : 2012 Indian Standard DIGITAL SET TOP BOX FOR MPEG-4 DTH SERVICES — SPECIFICATION 1 SCOPE 3.1.1 The STB shall be based on an open architecture (non proprietary) and shall ensure This standard specifies the requirements for a digital technical compatibility and effective interoperability set top box (STB) for MPEG-4 compression for amongst different DTH service providers in the DVB-S transmission used by subscribers to receive country. The interoperability shall be achieved by multichannel television programmes transmitted using common interface conforming to EN 50221 using a satellite system direct to subscriber premises ‘Common interface specification for conditional without passing through an intermediary such as a access and other digital video broadcast decoder cable operator. applications’ including ‘TS 101699 Extensions’ to 2 REFERENCES DVB-CI specification and via software download where the software download mechanism shall be The standards listed in Annex A contain provisions transparent, interoperable and available in the public which through reference in this text, constitute domain complying with ETSI TS 102006. The STB provisions of this standard. At the time of shall have at least one common interface slot publication, the editions indicated were valid. All complying to EN 50221. standards are subject to revision and parties to agreement based on this standard are encouraged 3.1.2 The manufacturer shall ensure compatibility/ to investigate the possibility of applying the interfacing with consumer electronic equipments most recent editions of the standards indicated in such as televisions, audio and video systems and Annex A. VCRs, etc, in the country. 3 REQUIREMENTS 3.1.3 Specifications 3.1 General Requirements Clause Specification Mandatory Optional 3.1.3.0 Satellite Reception Multiple satellites and multiple Supports DiSEqC 2.0 transponder support. Supports: a) DiSEqC1.0, DiSEqC 1.2 and b) 13/18 V and 0/22 KHz tone 3.1.3.1 Demodulation and Capability to demodulate and Capability to demodulate and decode Forward Error decode DTH signals channel DTH signals channel coded and Correction (FEC) coded and modulated in modulated in accordance with the DVB- Decoding accordance with the DVB-S S2 standard (EN 302307 ) standard (EN 300421 ) Should be capable of receiving signals emitted using either (a) or (b) and (c) or (d) of following modes: a) Backward compatible mode b) Non-backward compatible mode c) Constant coding and modulation (CCM) d) Variable coding and modulation (VCM) 1 IS 15954 : 2012 Clause Specification Mandatory Optional 3.1.3.2 Decompression/ The STB should be capable of The STB should be capable of Decoding-Video decompressing and decoding decompressing and decoding video video signals in accordance signals in accordance with: with: a) ISO/IEC 14496-10 : 2008 a) ISO/IEC 14496-10 : 2008 ‘Information ‘Information technology — technology — Coding of audio-visual Coding of audio-visual objects — Part 10: Advanced video objects — Part 10: Advanced coding’ : High profile at level 4 video coding: Main profile at b) Capable of decoding scalable video level 3 coding as per Annex G of ISO/IEC 14496-10 : 2008 ‘Information technology — Coding of audio-visual objects — Part 10: Advanced video coding’ b) ISO/IEC 13818-2 : 2000 c) ISO/ IEC 13818-2 : 2000 ‘Information ‘Information technology — technology — Generic coding of Generic coding of moving moving pictures and associated audio pictures and associated information — Part 2: Video coding’ audio information — Part 2: (including amendment 1 issued in Video coding’ (including 2001 and amendment 2 issued in 2007): amendment 1 issued in 2001 Main profile at high level and amendment 2 issued in 2007): Main profile at main level 3.1.3.3 Decompression/ Capability to decompress/ Capability to decompress/decode Audio Decoding-Audio decode audio compressed in compressed in accordance to: accordance to ISO/IEC 11172- a) Audio Coding 3 (AC3) 3:1993 ‘Information technology b) Enhanced AC3 — Coding of moving pictures c) ISO/IEC 14496-3 :2005 ‘Information and associated audio for digital technology — Coding of audio-visual storage media at up to about 1.5 objects — Part 3: Audio’(including Mbit/s — Part 3: Audio’: MPEG- amendment 1 issued in 2007, 1 audio layer II amendment 2 issued in 2006, amendment 3 issued in 2006 and amendment 5 issued in 2007) d) Digital theater system 3.1.3.4 Data Services Capability to receive and process data streams compliant to EN 301192 and TR 101202 3.1.3.5 Subtitle Streams Capability to receive and process subtitle streams compliant to EN 300 743 3.1.3.6 Service Demulti- Capability to receive and plexing process SI (Service Information) as laid down in EN 300 468 and TR 101211 2 IS 15954 : 2012 Clause Specification Mandatory Optional 3.1.3.7 Conditional a) Capability to descramble Access/ services scrambled in Scrambling accordance with DVB-CSA (ETR 289) including decryption of signals which have been SimulCrypt in accordance with ETSI TS 103 197 b) STB may have provision for smart card operation. If smart card is provided it shall be in accordance with IS 14202 (Parts 1, 2 and 3) 3.1.3.8 Upstream Bidirectional interactive services may be Communication deployed through the return channel 3.1.3.9 Interfaces/ a) Satellite input — 75 ohms a) RF Output — 75 ohms impedance, Connectors impedance, female connector male connector (as per IEC 60169-2) (as per IEC 60169-24) b) HDMI, as specified in TS 102201 b) Output video – RCA type c) USB 2.0 Ports (Yellow) d) RF Input (Loop through) 75 ohms c) Output Audio mono via impedance, female connector (as per Software (optional ) IEC 60169 -24) RCA type stereo e) RJ 11 (for PSTN modem) (mandatory) f) RJ45 for ethernet connection RCA type (L- White, R-Red ) g) Digital audio connector (RCA type d) DVB-CI (Common Interface) Orange) as per EN 50221 and TS h) Digital Audio SPDIF 101699 1) Optical 2) Coaxial 3.1.3.10 Software Updation RS 232C port for uploading control Mechanism software and additional service 3.1.3.11 PVR Functionality As per TS 102 006 The PVR functionality: This may be provided as an option enabling the recording of live A/V programmes to the STB hard drive and the ability to play back video with VCR like controls 3.2 Performance Requirements 4 MARKING The requirements for various performance 4.1 Each STB shall be legibly and indelibly marked parameters for the STB shall be as given in Table 1. with at least the following information: 3.3 Safety Requirements a) Manufacturer’s name or trade-mark (if any); b) Model designation and serial No.; The safety requirements of receiver shall conform to IS 13252. c) Country of manufacture; d) Input supply voltage and frequency; 3.4 Electromagnetic Compatibility (EMC) Requirements e) Power consumption; f) Satellite input terminal and satellite output The EMC requirements of the STB shall conform to terminal, if applicable; and IS 6873 (Part 3). g) All connectors. 33 IS 15954 : 2012 4.2 BIS Certification Marking requirements given in 5.6. The duration of the recovery shall be 24 h. The STB may also be marked with the Standard Mark. 5.5 Cold Test 4.2.1 The use of the Standard Mark is governed by the provisions of the Bureau of Indian Standards The STB shall withstand, a cold test of severity Act, 1986 and the Rules and Regulation made – 10oC for 2 h carried out in accordance with thereunder. The details of conditions under which a IS 9000 (Part 2/Sec 4). After recovery, the receiver license for the use of the Standard Mark may be shall conform to the performance requirements given granted to manufacturers and/or producers may be in 5.6. The duration of the recovery shall be 2 h. obtained from the Bureau of Indian Standards. 5.6 Post Measurement After Each Environmental 5 ENVIRONMENTAL TESTS Test 5.1 Bump Test After each environmental test (see 5.1 to 5.5), the STB shall meet the safety requirements of 3.3 and The STB shall be subjected to bump test carried out the requirements given in Table 1 for the following in accordance with IS 9000 (Part 7/Sec 2), the number parameters: of bumps being 500 + 10 and acceleration being 400 m/s2. After this test the receiver shall conform to a) RF output level (if applicable) [see S1 No. v the performance requirements specified in 5.6. This (c) of Table 1]; test shall be carried out under packed condition. b) Carrier to noise ratio (if applicable) [see S1 No. v (d) of Table 1]; 5.2 Drop Test c) Reception of service; and The STB shall withstand drop test as given in d) For STBs where the RF output option is not IS 13252. After this test the STB shall conform to the available, tests in items (a) and (b) above performance requirements given in 5.6. should be replaced by the testing of the video output for compliance to the International 5.3 Dry Heat Test Standard ITU-R BT 470-7 ‘Conventional The STB shall be subjected to dry heat test of analogue television systems’. severity + 55oC for 16 h, carried out in accordance with IS 9000 (Part 3/Sec 5). After recovery, the STB 6 OPERATING LIFE TEST shall conform to the performance requirements given The STB shall be subjected to operating life test in 5.6. The duration of the recovery shall be 2 h. consisting of 5 h operation and 1 h rest period for a total operating period of 1 000 h at rated voltage 5.4 Damp Heat Test and at ambient temperature. At the end of the The STB shall be subjected to damp heat cyclic test operating life duration, the requirements given in 3.3 in accordance with IS 9000 (Part 5/Sec 1). After and Table 1 shall be met with. recovery the STB shall conform to the performance Table 1 Performance Requirements (Clauses 3.2, 5.6 and 6) Sl No. Specifications/ Mandatory Optional Parameters Values i) Electrical specifications a) Input voltage range a) 90-270 V ac b) Frequency b) 50 Hz + 2 percent ii) RF characteristics to be As per DVB-S standard (see 3.1.3.1) As per DVB-S2 depending upon selected supported by the receiver operation mode (see 3.1.3.1) iii) LNBF Control The STB shall have provisions to provide proper power supply and switching signal for oscillator selection and polarization selection for LNB 4 IS 15954 : 2012 Table 1 (Concluded) Sl No. Specifications/ Mandatory Optional Parameters Values iv) STB tuner performance As per DVB-S2 depending upon selected characteristics : operation mode (see 3.1.3.1) a) Input level per carrier a) -65dBm, Min to -25dBm, Max b) Input frequency range b) 950 to 2 150 MHz c) Symbol rate c) 2 – 45 M Symbols/S d) RF input impedance d) 75 Ω e) RF input return loss e) 8 dB, Min v) RF re-modulator output : a) PAL B (for VHF) or PAL G (for UHF) a) Modulation format b) VHF Channel 3/4 or Agile/UHF b) RF output channel c) 60 dBmV, Min to 80 dBµV, Max c) RF output level Method of tests : 4.7 of IS 13420 d) Carrier to noise ratio (Part 1) d) 44 dB, Min Method of tests : 4.5 of IS 13420 (Part 1) vi) Remote control Mandatory vii) Operating ambient 5°C-50°C temperature range viii) Operating humidity range 5 to 95 percent (non-condensing) ix) Finger printing Mandatory; but service provider free to choose mechanism ANNEX A (Clause 2) LIST OF REFERRED INDIAN STANDARDS IS No. Title IS No. Title 6873 (Part 3) : Limits and methods of measurement of 13252 : 2003 Safety of information technology 1999 radio disturbance characteristics: Part3 equipment including electrical business Sound and television broadcast equipment (first revision) receivers and associated equipment 13420 (Part 1) : Cabled distribution systems for (first revision) 2002 television and sound signals: Part 1 9000 Basic environmental testing Methods of measurement and system procedures for electronic and electrical performance (second revision) items: 14202 Identification cards — Integrated (Part 2/Sec 4) : Cold test, Section 4 Cold test for heat circuit(s) — Cards with contacts: 1977 dissipating items with gradual change (Part 1) : 2003 Physical characteristics (first revision) of temperature (Part 2) : 2003 Dimensions and location of the (Part 3/Sec 5) : Dry heat test, Section 5 Dry heat test contacts (first revision) 1977 for heat dissipating items with gradual (Part 3) : 2002 Electronic signals and transmission change of temperature protocols (Part 5/Sec 1) : Damp heat cyclic test, Section 1 1981 16 + 8h cycle (Part 7/Sec 2) : Impact test, Section 2 Bump 1979 5