M71 录制设备 标准查询与下载

ITU-T P.56-1993 有效话音电平的客观测量

The CCITï considers it important that there should be a standardized method of objectively measuring speech level, so that measurements made by different Administrations may be directly comparable. Requirements of such a meter are that it should measure

Objective Measurement of Active Speech Level - Telephone Transmission Quality Objective Measuring Apparatus (Study Group XII) 15 pp

IEC 61179:1993 使用D2(NTSC、PAL、PAL-M)格式19mm磁带的螺旋扫描复合盒式数字录像系统

Specifies the content, format and recording method of the data blocks forming the helical records on the tape containing video, audio and associated data. In addition, specifies the content, format and recording method of the longitudinal record containi

Helical-scan digital composite video cassette recording system using 19 mm magnetic tape, format D2 (NTSC, PAL, PAL-M)

BS EN 61104:1993 光盘视频系统 12厘米CD-V

1993-01-15

Compact disc video system. 12 cm CD-V

prEN 60774-3-1992 使用VHS型12.65mm(0.5in)磁带的螺旋扫描盒式磁带录像系统

Helical-scan video tape cassette system using 12.65 mm (0.5 in) magnetic tape on type VHS; part 3: S-VHS

IEC 60843-2:1992 使用8mm磁带的螺旋扫描盒式磁带录像系统 8mm录像机 第2部分:PCM多轨音频系统

Applies to both 525 line - 60 field and 625 line - 50 field TV signals. Provides the following specifications: track configuration and dimensions, tracking pilot signal recording, multi-track mode recognition signal (description in annex A), assignment o

Helical-scan video tape cassette system using 8 mm magnetic tape; 8 mm video; part 2: PCM multi-track audio system

SN 0020-1992 出口磁带收录音机安全要求检验规程

本规程规定了出口带宽3.81mm的盒式磁带收录音机安全要求检验程序、检验项目、抽样、试验方法及判定规则。 本规程规定了出口的交流供电，电压有效值不超过250V，带宽3.81mm的盒式磁带收录音机所必需的安全要求，如需执行其他安全标准应在合同中规定。 只有通过本规程检验合格的收录音机才能进行技术性能的检验。

Rules for inspection of safety requirement of radioreceiver and tape recorder for export

SN 0021-1992 出口磁带收录机技术性能检验规程

本规程规定了出口带宽3.81mm的盒式磁带收录音机性能的技术要求、抽样方法及检验结果的判定。 若合同有规定，按合同规定俭验，合同无规定或规定不明确的，按本规程检验。

Rules for inspection of technical performance ofradio receiver tape-recorder for export

IEC 60908/AMD1:1992 激光唱盘数字音频系统.第1次修改

Compact disc digital audio system; amendment 1

prEN 61120-1-1992 专业用的采用6.3mm磁带的数字音频盘式磁带录音系统.第1部分:一般要求

Digital audio tape recorder reel-to-reel system, using 6,3 mm magnetic tape, for professional use; part 1: general requirements (IEC 1120-1:1991)

IEC 60933-3:1992 音频、视频和视听系统 互连和匹配值 第3部分:采用625行/50场制非复合信号ENG摄像机和便携式VTRs录像机的互连配接

Defines the interface and includes the electrical characteristics that the interface will have to satisfy in order to transmit the programme signals. Annex A describes a 26-contact connector recommended for new designs.

Audio, video and audiovisual systems; interconnections and matching values; part 3: interface for the interconnection of ENG cameras and portable VTRs using non-composite signals, for 625 line/50 field systems

IEC 61096:1992 数字音频激光唱盘重放设备特性的测量方法

The object is to list and define the (mechanical and electrical) characteristics affecting the performance of CD players, to establish conditions and methods of measurement of those characteristics, and to standardize the presentation of results.

Methods of measuring the characteristics of reproducing equipment for digital audio compact discs

IEC 60574-21:1992 视听、视频和电视设备及系统 第21部分:教育和培训用录像磁带带头和带尾

Specifies the minimum requirements for recordings on the leaders and trailers to assist users to adjust equipment for optimum performance prior to the start of recorded programme material. Also specifies the audio and video information that precedes and

Audiovisual, video and television equipment and systems; part 21: video tape leader and trailer for education and training applications

BS 5817-10:1992 视听、视频、电视设备及系统.第10部分:声频盒式磁带录音系统规范

This standard applies to the application for educational and training purposes of magnetic tape cassettes described in IEC Publication 94-7: Magnetic Tape Sound Recording and Reproducing Systems, Part 7: Cassette for Commercial Tape Records and Domestic Use (in preparation).

Specification for audiovisual, video and television equipment and systems - Specification for audio cassette systems

SJ/T 10328-1992 VHS盒式录像磁带通用技术条件

本标准规定了VHS盒式录像磁带的技术要求、试验方法和检验规则。 本标准适用于带宽为12．65mm的VHS盒式录像磁带

General specification for VHS video cassette tape

SJ/T 10303-1992 48 XW1515型录像机用磁鼓电动机

本标准规定了48XW1515型录像机用磁鼓电动机的技术要求、试验方法，检验规则、标志、包装、运输和贮存。 本标准适用于VHS型家用台式录像机中的磁鼓驱动无刷直流电动机，本标准的电机结构是外转子三相绕组无刷直流电动机，以分装式供货，不提供转轴。

Type 48XW1515 Cylinder moter for V.T.R

SJ/T 10304-1992 68 XW1215型录像机用主导轴电动机

本标准规定了68XW1215型录像机用主导轴电动机的技术要求、试验方法、检验规则以及标志、包装、运输和贮存。 本标准适用于VHS型家用台式录像机用的主导轴无刷直流电动机。本标准所包括电机的结构为无铁芯、平面对向型无刷直流伺服电动机。

Type 68XW1215 Capstan motor for V.T.R

IEC 61120-4:1992 专业用6.3mm磁带的数字音频盘式磁带录音系统 第4部分:磁带性能:定义和测量方法

The electrical parameters to be measured are: resolution, relative resolution, overwrite characteristic, relative overwrite characteristic, drop-outs, relative average signal level to noise ratio, characteristics of sub-tracks in case of bias-recording.

Digital audio tape recorder reel-to-reel system, using 6,3 mm magnetic tape, for professional use; part 4: magnetic tape properties; definitions and methods of measurement

prEN 61118-1992 使用MZ型12.65mm(0.5in)盒式磁带的螺旋扫描盒式带录象系统

Helical-scan video tape cassette system using 12,65 mm (0,5 in) magnetic tape type M2 cassette

prEN 60856-1992 50Hz/625线预录式光反射视盘录象系统"激光视盘".PAL制(IEC856-86)

Pre-recorded optical reflective videodisk system "Laser vision" 50 Hz/625 lines; PAL (IEC 856:1986)

prEN 60856 prA1-1992 50Hz/625线预录式光反射视盘录象系统"激光视盘".PAL制(IEC 856-86/A1-91)

Pre-recorded optical reflective videodisk system "Laser vision" 50 Hz/625 lines; PAL (IEC 856:1986/A1:1991)