Atmos Bubble and boom! Index measured, not opinion

The Iron Claw (2023)

DEMO 3.3 · BUBBLE 5.4 · BOOM 2.0 (with BEQ 7.2). Bass measured on the disc, DD+ Atmos. Directed by Sean Durkin. Drama.

The Iron Claw (2023) poster
Front
46%
L38%
47%
R38%
100%
C71%
LFE
0%
LFE1%
Surround
18%
Ls27%
18%
Rs27%
8%
Lrs14%
8%
Rrs14%
Wide
6%
Lw7%
6%
Rw7%
Height
3%
Ltf6%
3%
Rtf6%
3%
Ltm5%
3%
Rtm5%
0%
Ltr1%
0%
Rtr1%

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

DEMO
3.3 / 10
Bubble
5.4 / 10
Boom, as released
2.0 / 10
Boom with BEQ
7.2 / 10
Measured release
Disc · DD+ Atmos · chart by kaelaria
Deep bass peak, 10–30 Hz
-43.8 dBFS · with BEQ -23.5
Depth, 10–20 vs 30–60 Hz
-15.5 dB · with BEQ +9.3
Average level, 10–30 Hz
-72.8 dBFS · with BEQ -52.4
Minutes of deep bass
0 min · with BEQ 14 min at ≥ −30 dBFS
Filtered release
its BEQ restores up to 29.3 dB at 10–20 Hz
Tomatometer
89% · as of 8 Oct 2024
Metascore
73 / 100 · as of 8 Oct 2024
Chart scale read
-10 to -100.7 dBFS
Height uptime
3.7%
LFE uptime
0.5% (shown, not scored)
Dynamic range
37.5 dB
Channels used
16 of 16
Genres
Drama
Tags
biographical, drama, sport
Audio
DD+ Atmos
Released
8 Nov 2023
First listed
13 Feb 2024
Sources
PerceptualPro + BEQ
Render
current

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
38%
R
38%
C
71%
LFE
LFE
0.5%
Surround
Ls
27%
Rs
27%
Lrs
14%
Rrs
14%
Wide
Lw
6.7%
Rw
6.8%
Height
Ltf
5.7%
Rtf
5.9%
Ltm
5.0%
Rtm
4.5%
Ltr
0.6%
Rtr
0.6%
0:001:072:13

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

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