u/Cool-Ad9422

choosing tv: high frequency pwm but low frequency envelope?

hey folks!

i'm buying a tv and checking rtings.com for flicker tests. i noticed that some tvs have very high pwm frequency but low envelope frequency. for example, TCL QM851G has >10k hz pwm frequency, but the envelope is about 600 hz (since there are ~3 cycles every 0.005 seconds). wondering if that is problematic?

https://preview.redd.it/9aacvgfjw9jh1.png?width=3840&format=png&auto=webp&s=7fe9b4b21d8a78ab260c850e4b4423f535104c4e

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u/Cool-Ad9422 — 8 days ago