Atmos Bubble and boom! Index measured, not opinion

Once Upon a Time… in Hollywood (2019)

BOOM 3.7 (with BEQ 7.1). Bass measured on the disc, DTS-HD MA 5.1. Directed by Quentin Tarantino. Thriller, Comedy, Drama.

No channel-activity graph is published for this film,
so it carries a bass score only.
DEMO
needs both scores measured
Bubble
no channel graph published
Boom, as released
3.7 / 10
Boom with BEQ
7.1 / 10
Measured release
Disc · DTS-HD MA 5.1 · chart by aron7awol
Deep bass peak, 10–30 Hz
-35.9 dBFS · with BEQ -21.6
Depth, 10–20 vs 30–60 Hz
-9.5 dB · with BEQ +2.6
Average level, 10–30 Hz
-63.4 dBFS · with BEQ -49.1
Minutes of deep bass
2 min · with BEQ 17 min at ≥ −30 dBFS
Filtered release
its BEQ restores up to 16.2 dB at 10–20 Hz
Tomatometer
85% · as of 29 Nov 2022
Metascore
84 / 100 · as of 16 Jun 2025
Chart scale read
-10 to -70 dBFS
Genres
Thriller, Comedy, Drama
Tags
alternate history, black comedy, comedy, comedy drama, crime, drama
Audio
DTS-HD MA 5.1
Released
21 May 2019
First listed
4 Dec 2018
Sources
BEQ

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