ITU-T Recommendations

serene · 发表于 2004-7-25 13:00:55

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Series J - Transmission of sound-programme and television signals
j0001e.zip J.1 - Terminology for new services in television and sound-programme transmission

j001m1e.zip J.1 Amendment 1 - Title not available.

j0011e.zip J.11 - Hypothetical reference circuits for sound-programme transmissions

j0012e.zip J.12 - Types of sound-programme circuits established over the international telephone network

j0013e.zip J.13 - Definitions for international sound-programme circuits

j0014e.zip J.14 - Relative levels and impedances on an international sound-programme connection

j0015e.zip J.15 - Lining-up and monitoring an international sound-programme connection

j0016e.zip J.16 - Measurement of weighted noise in sound-programme circuits

j0017e.zip J.17 - Pre-emphasis used on sound-programme circuits

j0018e.zip J.18 - Crosstalk in sound-programme circuits set up on carrier systems

j0019e.zip J.19 - A conventional test signal simulating sound-programme signals for measuring interference in other channels

j0021e.zip J.21 - Performance characteristics of 15 kHz-type sound-programme circuits ?Circuits for high quality monophonic and stereophonic transmissions

j0023e.zip J.23 - Performance characteristics of 7 kHz type (narrow-bandwidth) sound-programme circuits

j0024e.zip J.24 - Modulation of signals carried by sound-program circuits by interfering signals from power supply sources

j0025e.zip J.25 - Estimation of transmission performance of sound-program circuits shorter or longer than the hypothetical reference circuit

j0026e.zip J.26 - Test signals to be used on international sound-program connections

j0027e.zip J.27 - Signals for the alignment of international sound-program connections

j0031e.zip J.31 - Characteristics of equipment and lines used for setting up 15 kHz type sound-programme circuits

j0033e.zip J.33 - Characteristics of equipment and lines used for setting up 6.4 kHz type sound-programme circuits

j0034e.zip J.34 - Characteristics of equipment used for setting up 7 kHz type sound-programme circuits

j0041e.zip J.41 - Characteristics of equipment for the coding of analogue high quality sound programme signals for transmission on 384 kbit/s channels

j0042e.zip J.42 - Characteristics of equipment for the coding of analogue medium quality sound-programme signals for transmission on 384-kbit/s channels

j0043e.zip J.43 - Characteristics of equipment for the coding of analogue high quality sound programme signals for transmission on 320 kbit/s channels

j0044e.zip J.44 - Characteristics of equipment for the coding of analogue medium quality sound-programme signals for transmission on 320 kbit/s channels

j0051e.zip J.51 - General principles and user requirements for the digital transmission of high quality sound programmes

j0052e.zip J.52 - Digital transmission of high-quality sound-programme signals using one, two or three 64 kbit/s channels per mono signal (and up to six per stereo signal)

j0053e.zip J.53 - Sampling frequency to be used for the digital transmission of high-quality sound-programme signals

j0054e.zip J.54 - Transmission of analogue high-quality sound-programme signals on mixed analogue-and-digital circuits using 384 kbit/s channels

j0055e.zip J.55 - Digital transmission of high-quality sound-programme signals on distribution circuits using 480 kbit/s (496 kbit/s) per audio channel

j0056e.zip J.56 - Transmission of high-quality sound-programme analogue signals over mixed analogue/digital circuits at 320 kbit/s

j0057cne.zip J.57 Notice - Title not available.

j0057e.zip J.57 - Transmission of digital studio quality sound signals over H1 channels

j0061~1e.zip Part 1 - Transmission performance of television circuits designed for use in international connections

j0061~2e.zip Part 2 - Transmission performance of television circuits designed for use in international connections

j0061~3e.zip J.61 Part 3 - Transmission performance of television circuits designed for use in international connections

j0061~4e.zip J.61 Part 4 - Transmission performance of television circuits designed for use in international connections

j0061~5e.zip J.61 Part 5 - Transmission performance of television circuits designed for use in international connections

j0061~6e.zip J.61 Part 6 - Transmission performance of television circuits designed for use in international connections

j0062e.zip J.62 - Single value of the signal-to-noise ratio for all television systems

j0063e.zip J.63 - Insertion of test signals in the field-blanking interval of monochrome and colour television signals

j0064e.zip J.64 - Definitions of parameters for simplified automatic measurement of television insertion test signals

j0065e.zip J.65 - Standard test signal for conventional loading of a television channel

j0066e.zip J.66 - Transmission of one sound programme associated with analogue television signal by means of time division multiplex in the line synchronizing pulse

j0067e.zip J.67 - Test signals and measurement techniques for transmission circuits carrying MAC/packet signals or HD-MAC signals

j0068e.zip J.68 - Hypothetical reference chain for television transmissions over very long distances

j0073e.zip J.73 - Use of a 12-MHz system for the simultaneous transmission of telephony and television

j0074e.zip J.74 - Methods for measuring the transmission characteristics of translating equipments

j0075e.zip J.75 - Interconnection of systems for television transmission on coaxial pairs and on radio-relay links

j0077e.zip J.77 - Characteristics of the television signals transmitted over 18 MHz and 60-MHz systems

j0080e.zip J.80 - Transmission of component-coded digital television signals for contribution-quality applications at bit rates near 140 Mbit/s

j0081c1e.zip J.81 Corrigendum 1 - Corrigendum 1

j0081e.zip J.81 - Transmission of component-coded digital television signals for contribution-quality applications at the third hierarchical level of ITU-T Recommendation G.702

j0081m1e.zip J.81 Amendment 1 - Appendix II to Annex A to Recommendation J.81 ?Guidelines for implementation of a complete television codec

j0082e.zip J.82 - Transport of MPEG-2 constant bit rate television signals in B-ISDN

j0083e.zip J.83 - Digital multi-programme systems for television, sound and data services for cable distribution

j0084e.zip J.84 - Distribution of digital multi-programme signals for television, sound and data services through SMATV networks

j0085e.zip J.85 - Digital television transmission over long distances ?General principles

j0086e.zip J.86 - Mixed analogue-and-digital transmission of analogue composite television signals over long distances

j0090e.zip J.90 - Electronic programme guides for delivery by digital cable television and similar methods

j0091e.zip J.91 - Technical methods for ensuring privacy in long-distance international television transmission

j0092e.zip J.92 - Recommended operating guidelines for point-to-point transmission of television programmes

j0100e.zip J.100 - Tolerances for transmission time differences between the vision and sound components of a television signal

j0101e.zip J.101 - Measurement methods and test procedures for teletext signals

j0110e.zip J.110 - Basic principles for a worldwide common family of systems for the provision of interactive television services

michael · 发表于 2005-6-17 13:16:53

请问楼主，上面的东东怎么都不能下呢？都是很好的冬冬呀！

hpsun · 发表于 2005-6-17 21:38:35

因为ftp的密码修改过了。你把密码改成最新的就好了

michael · 发表于 2005-6-27 12:05:38

非常谢谢楼主！
我看了下，但是都是以前的旧标准了。不过有的仍在使用，但是ITU有很多标准都是2002的了，不知楼主有没有？3X

ameer · 发表于 2006-1-25 17:35:35

密码和登陆名是什么呀?请告知,谢谢

大龙 · 发表于 2006-3-2 14:20:37

怎么下不了，能否告诉用户名和密码啊。

xufeng222 · 发表于 2006-4-4 00:05:54

请问楼主，上面的东东怎么都不能下呢？

xufeng222 · 发表于 2006-4-4 18:11:51

因为ftp的密码修改过了。你把密码改成最新的就好了
这是什么意思?
怎么修改

justboer · 发表于 2006-4-6 09:15:37

再好的戏下不来也看不了啊
搂住一定要解决啊

serene · 发表于 2006-4-8 12:58:32

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下面引用由justboer在 2006/04/06 09:15am 发表的内容：
再好的戏下不来也看不了啊
搂住一定要解决啊

是因为站长把FTP的密码修改了，请到“资源共享”板块的“FTP地址及密码发布”子论坛查询密码。

ITU-T Recommendations