Atmos Bubble and boom! Index measured, not opinion

Sonic the Hedgehog 3 (2024)

DEMO 4.4 · BUBBLE 7.3 · BOOM 2.7 (with BEQ 9.2). Bass measured on the disc, Atmos / DD+ Atmos. Directed by Jeff Fowler. Action, Science Fiction, Comedy, Family.

Sonic the Hedgehog 3 (2024) poster
Front
38%
L68%
38%
R71%
100%
C96%
LFE
21%
LFE34%
Surround
12%
Ls44%
13%
Rs47%
9%
Lrs44%
9%
Rrs45%
Wide
8%
Lw27%
9%
Rw27%
Height
7%
Ltf33%
8%
Rtf33%
3%
Ltm10%
3%
Rtm10%
3%
Ltr26%
3%
Rtr23%

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

DEMO
4.4 / 10
Bubble
7.3 / 10
Boom, as released
2.7 / 10
Boom with BEQ
9.2 / 10
Measured release
Disc · Atmos / DD+ Atmos · chart by kaelaria
Also in the catalogue
Disc · Atmos; Disc · DD+ Atmos — not measured here
Deep bass peak, 10–30 Hz
-38.2 dBFS · with BEQ -18.7
Depth, 10–20 vs 30–60 Hz
-25.7 dB · with BEQ +3.7
Average level, 10–30 Hz
-62.1 dBFS · with BEQ -42.5
Minutes of deep bass
15 min · with BEQ 72 min at ≥ −30 dBFS
Filtered release
its BEQ restores up to 43.6 dB at 10–20 Hz
Tomatometer
85% · as of 30 Aug 2025
Metascore
56 / 100 · as of 8 Oct 2025
Chart scale read
-10 to -70.3 dBFS
Height uptime
20.9%
LFE uptime
18.9% (shown, not scored)
Dynamic range
23.1 dB
Channels used
16 of 16
Genres
Action, Science Fiction, Comedy, Family
Tags
action, adventure, animated, comedy, family, live-action/animated
Audio
Atmos, DD+ Atmos
Released
19 Dec 2024
First listed
21 Jan 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
68%
R
70%
C
96%
LFE
LFE
34%
Surround
Ls
44%
Rs
47%
Lrs
44%
Rrs
45%
Wide
Lw
26%
Rw
27%
Height
Ltf
33%
Rtf
33%
Ltm
9.9%
Rtm
9.5%
Ltr
26%
Rtr
23%
0:000:551:50

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

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