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GB/T 3320.3-1982 Wow and flutter test records

time: 2024-08-11 00:09:35
  • GB/T 3320.3-1982
  • in force

Basic Information

  • Standard ID:

    GB/T 3320.3-1982

  • Standard Name:

    Wow and flutter test records

  • Chinese Name:

    抖晃度测试唱片

  • Standard category:

    National Standard (GB)

  • Date of Release:

    1982-01-02

  • Date of Implementation:

    1983-10-01

standard classification number

  • Standard ICS number:

    Telecommunications, audio and video technology>>Audio, video and audiovisual engineering>>33.160.30 Audio systems

  • China Standard Classification Number:

    Communications, Broadcasting>>Broadcasting, Television Equipment>>M70 Broadcasting, Television Equipment Comprehensive

associated standards

Publication information

Other Information

  • Release date:

    1982-12-24

  • Review date:

    2004-10-14

  • Drafting Organization:

    China Record Factory

  • Focal point Organization:

    National Radio and Television Standardization Technical Committee

  • Publishing Department:

    National Bureau of Standards

  • Competent Authority:

    State Administration of Radio, Film and Television
Introduction to standardsDescription (Translated English) / download

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Summary:

This test record is suitable for measuring the wow and flutter of mono or stereo playback equipment with a rotation speed of 331/3 rpm. GB/T 3320.3-1982 Wow and flutter test record GB/T3320.3-1982 standard download decompression password: www.bzxz.net
Standard contentStandard content

Some standard content:

National Standard of the People's Republic of China
GB/T3320.3—1982
Wow and flutter test record
Issued on December 24, 1982
National Bureau of Standards
Implementation on October 1, 1983
1 Purpose
National Standard of the People's Republic of China
Wow and flutter test record
UDC681.854
：681.842
GB/T3320.3—1982
This test record is suitable for measuring the wow and flutter of mono or stereo playback equipment with a rotation speed of 33% rpm. 2 Dimensions
2.1 Nominal diameter: 300 mm
2.2 Center hole diameter: 7.24+9 mm
2.3 Concentric circles: The lead-in groove of this test record is replaced by concentric circles to calibrate the center of the record spiral groove to be consistent with the center of the turntable shaft.
3 Recording characteristics
3.1 Recording surface: The record is recorded with the same signal (left + right). 3.2 Nominal frequency: 3150 Hz
3.3 Frequency error: ±0.15%
3.4 ​​Recording (weighted) wow and flutter: ±0.08%3.5 Recording velocity (RMS): 3.53 cm/s ±1 dB4 Application
The application and weighting characteristics of this record refer to Section 4.7 and Table 2 of GB2354-1980 "Electric Turntable". 5 Marking
This disc core is made with reference to the following Figures 1 and 2. Issued by the National Bureau of Standards on December 24, 1982
Implemented on October 1, 1983
GB/T3320.3—1982
G 320.382
Gross test disc
French color limit
11 255489bZxz.net
reeant
Manufacturing unit
ev y-as
GH 9320.5—H2
Shaking different Huang Xie test disc
G8 2364-90
sTO33
Subject unit
Additional remarks:
This standard is proposed by the Ministry of Radio and Television.
This standard was drafted by China Record Factory. GB/T
3320.3—1982
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