Atmos Bubble and boom! Index measured, not opinion

Under Paris (2024)

DEMO 5.3 · BUBBLE 3.8 · BOOM 7.5 (with BEQ 8.2). Bass measured on the disc, DD+ Atmos / DD+. Directed by Xavier Gens. Thriller, Horror, Action, Mystery.

Under Paris (2024) poster
Front
65%
L85%
66%
R86%
100%
C96%
LFE
12%
LFE31%
Surround
24%
Ls70%
23%
Rs69%
19%
Lrs64%
19%
Rrs61%
Wide
off
Lw 
off
Rw 
Height
off
Ltf 
off
Rtf 
17%
Ltm57%
18%
Rtm58%
off
Ltr 
off
Rtr 

Bar and top figure — level against the film’s most active channel. Bottom figure — share of the runtime the channel carries signal.

DEMO
5.3 / 10
Bubble
3.8 / 10
Boom, as released
7.5 / 10
Boom with BEQ
8.2 / 10
Measured release
Disc · DD+ Atmos / DD+ · Fre · chart by kaelaria
Also in the catalogue
Disc · DD+ / DD+ Atmos — not measured here
Deep bass peak, 10–30 Hz
-19.6 dBFS · with BEQ -17.2
Depth, 10–20 vs 30–60 Hz
+3.4 dB · with BEQ +7.3
Average level, 10–30 Hz
-48.6 dBFS · with BEQ -46.2
Minutes of deep bass
24 min · with BEQ 27 min at ≥ −30 dBFS
Sub-bass warning
the disc peaks at -21.5 dBFS at 10 Hz — top of the field; mind ports and driver excursion
Tomatometer
63% · as of 18 Jan 2025
Metascore
57 / 100 · as of 29 Dec 2024
Chart scale read
-10 to -69.6 dBFS
Height uptime
17.5%
LFE uptime
16.1% (shown, not scored)
Dynamic range
26.4 dB
Channels used
10 of 16
Dead channels
Lw Rw Ltf Rtf Ltr Rtr
Genres
Thriller, Horror, Action, Mystery
Tags
action, horror, thriller
Audio
DD+ Atmos, DD+
Released
4 Jun 2024
First listed
10 Jun 2024
Sources
PerceptualPro + BEQ
Render
older, corrected

Channel by channel, through the film

One lane per speaker, the whole film from left to right. Bar height is how loud that speaker gets (square-root scale against this film's loudest moment, so quiet passages stay visible). The amber line under a lane marks the moments counted as playing, and the figure on the right is their share of the film. For the six height speakers that share is part of BUBBLE.

Front
L
85%
R
86%
C
95%
LFE
LFE
31%
Surround
Ls
70%
Rs
69%
Lrs
64%
Rrs
61%
Wide
Lw
unused
Rw
unused
Height
Ltf
unused
Rtf
unused
Ltm
57%
Rtm
58%
Ltr
unused
Rtr
unused
0:000:511:42

Read from PerceptualPro's channel-activity graph, pixel by pixel. A lane marked unused never rises out of its line.

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