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2-pop 1 khz tone slate

What is 2-Pop and how is it used?

Article, Audio Post-ProductionBy Henri RappApril 13, 2019

What is 2-Pop and how is it used? 2-Pop is a term for a 1 kHz (1000 Hz) tone that lasts 1 frame inserted 2 seconds before the start of the program. Originally established as part of the SMPTE “Universal Leader”, it’s still widely used today. It’s used as a simple method to ensure sync…

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