BS 7434-3(1994) : 1994 AMD 8933

Committees responsible
National foreword
Section 1. General
1.1 Scope
1.2 Normative references
1.3 Test conditions
Section 2. Audio characteristics
2.1 Amplitude/frequency response
2.2 Signal-to-noise ratio (AGC off)
2.3 Signal-to-noise ratio (AGC on)
2.4 Dynamic range (AGC off)
2.5 Dynamic range (AGC on)
2.6 Harmonic distortion
2.7 Channel crosstalk
2.8 Channel separation
2.9 AGC operation and attack/recovery time
2.10 Switching noise
2.11 Wow and flutter
Section 3. Calibration tape
3.1 General
3.2 Magnetic tape
3.3 Recording audio signal
3.4 Recording video signal
3.5 Presentation
Annex
A. (informative) Bibliography
Figures
1. Circuit arrangement: Amplitude/frequency response
2. Circuit arrangement: Signal-to-noise ratio AGC off;
     Dynamic range
3. Circuit arrangement: Signal-to-noise ratio AGC on
4. Circuit arrangement: Harmonic distortion
5. Circuit arrangement: Channel crosstalk AGC off;
     Channel separation AGC off
6. Circuit arrangement: Channel crosstalk AGC on;
     Channel separation AGC on
7. Crosstalk of channel L from channel R
8. Crosstalk of channel R from channel L
9. Circuit arrangement: AGC operation; Hold time
10. Gain curve (out/in response)
11. Test signal for attack/recovery time measurement
12. Output signal (attack transient)
13. Circuit arrangement: Switching noise
14. Low-pass filter characteristics
15. Input level and audio FM deviation (modulation
     depth) for various VTR systems

Concerns the measurement of overall characteristics of the FM audio recorded using slanted tracks similar to those used for recording of the video information. BS AMD 8933 RENUMBERS THIS STANDARD