Audio Frequency Modulation

Audio Frequency Modulation (AFM) is an audio recording standard used by VHS Hi-Fi stereo, 8mm and Hi8 video systems. AFM is mono on 8mm systems and stereo on Hi8.

References

Capelo, Gregory R.; Brenner, Robert C. (1998). "VCR Audio Processing: Theory and Troubleshooting". VCR Troubleshooting & Repair. Newnes. ISBN 978-0-7506-9940-2.

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