You’ve found the file. Now, let’s use it correctly. The goal is to verify —your player sends the raw DD+ signal to your AV receiver (AVR) for decoding, not your TV.
Many TVs (especially LG OLEDs prior to 2021) internally decode DD+ to PCM before sending via optical or ARC (not eARC). Your repack will play, but the receiver will see stereo. Solution: Use eARC or direct HDMI connection to the soundbar/AVR. dolby digital plus test file repack
about the transition from traditional surround sound to the world of Dolby Atmos SH Digital Media The Quest for the Perfect Demo You’ve found the file
The file arrives unnamed, a .mkv orphan dragged from a forgotten seed in 2014. Its metadata says Dolby Digital Plus — a codec for the margins, the 7.1 bleed of an action movie’s third act, or a surround-sound logo sweeping left to right like a lighthouse through rain. Many TVs (especially LG OLEDs prior to 2021)
A standard movie file cannot tell you if your system is working optimally. A test file is a controlled signal that reveals: