Original topic:

Flashing problem playback 4k HDR content from USB HDD - QE55Q70A

(Topic created: 04-13-2022 11:55 AM)
usereBWRgZFzLe
Constellation
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QLED and The Frame

Good morning, I recently purchased a Samsung QE55Q70A TV. I am experiencing a rather annoying problem when playing media (video) from external USB HDD.

The problem presents itself as a constant rapid flashing (blinking) of the picture lights, even while the video is paused. The problem occurs exclusively when playing 4k content.

The codec used is HEVC 10 level 5, which according to the TV's data is among those supported (file extension: .mkv). Below is the codec detail from mediainfo:

Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main 10@L5@Main
HDR format : SMPTE ST 2086, HDR10 compatible
Codec ID : V_MPEGH/ISO/HEVC
Duration : 2 h 35 min
Bit rate : 17.9 Mb/s
Width : 3 840 pixels
Height : 2 160 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 (24000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 10 bits
Bits/(Pixel*Frame) : 0.090
Stream size : 19.5 GiB (96%)
Writing library : x265 3.4hy:[Linux][GCC 7.5.0][64 bit] 10bit

Color range : Limited
Color primaries : BT.2020
Transfer characteristics : PQ
Matrix coefficients : BT.2020 non-constant
Mastering display color pri : Display P3
Mastering display luminance : min: 0.0050 cd/m2, max: 4000 cd/m2
Maximum Content Light Level : 787 cd/m2
Maximum Frame-Average Light : 239 cd/m2

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2 Replies
Diaboyos
Neutron Star
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QLED and The Frame
Have you tried the video from a basic thumb drive?
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James-A51
Astronaut
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QLED and The Frame
Hmmm you can try seeing if this issue happens with VLC player for Android though it could be just a stock app issue
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