Atmos Bubble and boom! Index measured, not opinion

Last Breath (2025)

DEMO 5.6 · BUBBLE 6.5 · BOOM 4.8 (with BEQ 8.0). Bass measured on the disc, DD+ Atmos. Directed by Alex Parkinson. Thriller, Drama.

Last Breath (2025) poster
Front
47%
L69%
48%
R71%
100%
C93%
LFE
8%
LFE21%
Surround
26%
Ls43%
26%
Rs45%
24%
Lrs42%
24%
Rrs43%
Wide
11%
Lw27%
12%
Rw28%
Height
2%
Ltf4%
2%
Rtf3%
2%
Ltm8%
3%
Rtm9%
1%
Ltr6%
2%
Rtr7%

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

DEMO
5.6 / 10
Bubble
6.5 / 10
Boom, as released
4.8 / 10
Boom with BEQ
8.0 / 10
Measured release
Disc · DD+ Atmos · chart by kaelaria
Also in the catalogue
Disc · DTS-HD MA 5.1 — not measured here
Deep bass peak, 10–30 Hz
-31.9 dBFS · with BEQ -20.2
Depth, 10–20 vs 30–60 Hz
-4.3 dB · with BEQ +6.4
Average level, 10–30 Hz
-57.8 dBFS · with BEQ -46.1
Minutes of deep bass
3 min · with BEQ 31 min at ≥ −30 dBFS
Filtered release
its BEQ restores up to 15.7 dB at 10–20 Hz
Tomatometer
79% · as of 11 Oct 2025
Metascore
65 / 100 · as of 26 Apr 2025
Chart scale read
-10 to -70.3 dBFS
Height uptime
3.7%
LFE uptime
8.9% (shown, not scored)
Dynamic range
26.9 dB
Channels used
16 of 16
Genres
Thriller, Drama
Tags
survival, thriller
Audio
DD+ Atmos, DTS-HD MA 5.1
Released
24 Feb 2025
First listed
18 Mar 2025
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
69%
R
71%
C
93%
LFE
LFE
21%
Surround
Ls
43%
Rs
45%
Lrs
42%
Rrs
43%
Wide
Lw
27%
Rw
28%
Height
Ltf
3.6%
Rtf
3.4%
Ltm
8.2%
Rtm
9.0%
Ltr
5.6%
Rtr
6.6%
0:000:471:33

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

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