Back to the Future
1985
DV FEL
4K / BD Pair
+55.8 Mbps video vs BD
Atmos vs 5.1
Video
CodecHEVC (H.265)
Resolution4K (3840×2160)
HDRDolby Vision
Dolby VisionProfile 7 FEL
Transfersmpte2084
Primariesbt2020
Color spacebt2020nc
Avg bitrate78.5 Mbps
Peak bitrate96.9 Mbps
Audio
Codectruehd
ProfileTrueHD + Atmos
Channels8
Layout7.1
Avg bitrate4214 kbps
Peak bitrate6962 kbps
Standard Blu-ray Version
Video (Standard Blu-ray)
CodecH.264
Resolution1080p (1920×1080)
Avg bitrate22.7 Mbps
Peak bitrate32.9 Mbps
Audio (Standard Blu-ray)
Codecdts
ProfileDTS-HD MA
Channels6
Layout5.1(side)
Avg bitrate3706 kbps
Peak bitrate5186 kbps
Peak Video Clip (highest 5s video bitrate)
Peak Audio Clip (highest 5s audio bitrate)
LFE Sonic Energy Band Analysis (200ms Windows)
Sub-Infrasonic (0–10 Hz) 0–10 Hz
Extreme Infrasonic / Seismic vibrations
| Rank | Peak Energy (dBFS) | Timestamp |
|---|---|---|
| #1 | -40.8 dBFS | 1:40:39 |
| #2 | -40.8 dBFS | 1:51:41 |
| #3 | -42.6 dBFS | 1:44:16 |
| #4 | -46.4 dBFS | 1:46:27 |
| #5 | -49.7 dBFS | 22:00 |
Infrasonic (10–20 Hz) 10–20 Hz
Threshold of hearing / Physical chest pressure
| Rank | Peak Energy (dBFS) | Timestamp |
|---|---|---|
| #1 | -19.6 dBFS | 1:51:41 |
| #2 | -21.0 dBFS | 1:40:39 |
| #3 | -21.7 dBFS | 1:44:16 |
| #4 | -24.0 dBFS | 1:46:27 |
| #5 | -27.6 dBFS | 22:00 |
Deep Bass (20–40 Hz) 20–40 Hz
Deep subwoofer bass / Tactile rumble
| Rank | Peak Energy (dBFS) | Timestamp |
|---|---|---|
| #1 | -8.0 dBFS | 1:40:39 |
| #2 | -8.4 dBFS | 1:51:41 |
| #3 | -8.9 dBFS | 1:44:16 |
| #4 | -11.8 dBFS | 1:46:27 |
| #5 | -12.4 dBFS | 22:00 |
Full LFE (0–80 Hz) 0–80 Hz
Total LFE channel energy
| Rank | Peak Energy (dBFS) | Timestamp |
|---|---|---|
| #1 | -7.9 dBFS | 1:40:39 |
| #2 | -7.9 dBFS | 1:51:41 |
| #3 | -8.8 dBFS | 1:44:16 |
| #4 | -11.1 dBFS | 22:00 |
| #5 | -11.6 dBFS | 1:46:27 |
Sub-Infrasonic (0–10 Hz) — Frequency Spectrum (10s Window Around Top Moments)
Infrasonic (10–20 Hz) — Frequency Spectrum (10s Window Around Top Moments)
Deep Bass (20–40 Hz) — Frequency Spectrum (10s Window Around Top Moments)
Full LFE (0–80 Hz) — Frequency Spectrum (10s Window Around Top Moments)
Video Brightness Analysis
Top 5 Brightest Frames (Peak Single Pixel)
| Rank | Timestamp | Peak Nits | 480p Preview (Red Box) |
|---|---|---|---|
| #1 | 1:16:52 | 1558 nits |
|
| #2 | 1:26:37 | 1526 nits |
|
| #3 | 1:24:55 | 1510 nits |
|
| #4 | 1:28:18 | 1464 nits |
|
| #5 | 1:23:19 | 1448 nits |
|
Top 5 Brightest Frames (Average Brightness)
| Rank | Timestamp | Avg Nits | 480p Preview |
|---|---|---|---|
| #1 | 1:51:48 | 578.9 nits |
|
| #2 | 1:44:16 | 233.0 nits |
|
| #3 | 1:10:32 | 168.3 nits |
|
| #4 | 23:21 | 126.6 nits |
|
| #5 | 1:40:51 | 114.6 nits |
|