Atmos Bubble and boom! Index measured, not opinion

300 (2007)

DEMO 7.8 · BUBBLE 9.4 · BOOM 6.5 (with BEQ 9.2). Bass measured on the disc, Atmos. Directed by Zack Snyder. Action, War, Adventure.

300 (2007) poster
Front
44%
L65%
45%
R67%
100%
C93%
LFE
31%
LFE53%
Surround
18%
Ls48%
18%
Rs48%
24%
Lrs53%
23%
Rrs54%
Wide
25%
Lw47%
25%
Rw47%
Height
12%
Ltf29%
13%
Rtf29%
2%
Ltm11%
2%
Rtm10%
13%
Ltr44%
13%
Rtr42%

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

DEMO
7.8 / 10
Bubble
9.4 / 10
Boom, as released
6.5 / 10
Boom with BEQ
9.2 / 10
Measured release
Disc · Atmos · chart by aron7awol
Also in the catalogue
Disc · TrueHD 5.1 — not measured here
Deep bass peak, 10–30 Hz
-29.1 dBFS · with BEQ -20.2
Depth, 10–20 vs 30–60 Hz
-11.3 dB · with BEQ +3.5
Average level, 10–30 Hz
-48.6 dBFS · with BEQ -39.7
Minutes of deep bass
57 min · with BEQ 68 min at ≥ −30 dBFS
Filtered release
its BEQ restores up to 27.5 dB at 10–20 Hz
Tomatometer
61% · as of 29 Nov 2022
Metascore
52 / 100 · as of 16 Jun 2025
Chart scale read
-10 to -70.3 dBFS
Height uptime
26.6%
LFE uptime
35.9% (shown, not scored)
Dynamic range
32.3 dB
Channels used
16 of 16
Genres
Action, War, Adventure
Tags
action, classical antiquity, drama, epic, sword-and-sandal, war
Audio
Atmos, TrueHD 5.1
Released
7 Mar 2007
First listed
4 Dec 2018
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
65%
R
67%
C
93%
LFE
LFE
53%
Surround
Ls
47%
Rs
48%
Lrs
53%
Rrs
54%
Wide
Lw
47%
Rw
47%
Height
Ltf
29%
Rtf
29%
Ltm
11%
Rtm
9.7%
Ltr
44%
Rtr
42%
0:000:591:57

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

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