Back to the Future Part II
1989
DV FEL
4K / BD Pair
+54.8 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 bitrate84.7 Mbps
Peak bitrate103.3 Mbps
Audio
Codectruehd
ProfileTrueHD + Atmos
Channels8
Layout7.1
Avg bitrate4603 kbps
Peak bitrate6898 kbps
Standard Blu-ray Version
Video (Standard Blu-ray)
CodecH.264
Resolution1080p (1920×1080)
Avg bitrate29.8 Mbps
Peak bitrate33.6 Mbps
Audio (Standard Blu-ray)
Codecdts
ProfileDTS-HD MA
Channels6
Layout5.1(side)
Avg bitrate3859 kbps
Peak bitrate4919 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 | -45.8 dBFS | 1:22 |
| #2 | -48.2 dBFS | 1:37:04 |
| #3 | -48.5 dBFS | 4:22 |
| #4 | -48.9 dBFS | 1:02:27 |
| #5 | -51.2 dBFS | 38:47 |
Infrasonic (10–20 Hz) 10–20 Hz
Threshold of hearing / Physical chest pressure
| Rank | Peak Energy (dBFS) | Timestamp |
|---|---|---|
| #1 | -23.9 dBFS | 1:22 |
| #2 | -25.9 dBFS | 4:22 |
| #3 | -25.9 dBFS | 1:37:04 |
| #4 | -26.3 dBFS | 1:02:27 |
| #5 | -29.0 dBFS | 38:47 |
Deep Bass (20–40 Hz) 20–40 Hz
Deep subwoofer bass / Tactile rumble
| Rank | Peak Energy (dBFS) | Timestamp |
|---|---|---|
| #1 | -10.5 dBFS | 1:02:27 |
| #2 | -11.0 dBFS | 4:22 |
| #3 | -11.7 dBFS | 1:37:04 |
| #4 | -12.0 dBFS | 1:22 |
| #5 | -15.2 dBFS | 38:47 |
Full LFE (0–80 Hz) 0–80 Hz
Total LFE channel energy
| Rank | Peak Energy (dBFS) | Timestamp |
|---|---|---|
| #1 | -9.6 dBFS | 1:02:27 |
| #2 | -10.6 dBFS | 4:22 |
| #3 | -10.9 dBFS | 1:37:04 |
| #4 | -11.8 dBFS | 1:22 |
| #5 | -13.5 dBFS | 1:34:22 |
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 | 21:00 | 1712 nits |
|
| #2 | 1:30:19 | 1575 nits |
|
| #3 | 19:14 | 1558 nits |
|
| #4 | 1:37:43 | 1558 nits |
|
| #5 | 48:07 | 1558 nits |
|
Top 5 Brightest Frames (Average Brightness)
| Rank | Timestamp | Avg Nits | 480p Preview |
|---|---|---|---|
| #1 | 2:48 | 386.7 nits |
|
| #2 | 4:22 | 277.4 nits |
|
| #3 | 1:37:04 | 180.6 nits |
|
| #4 | 1:36:26 | 161.0 nits |
|
| #5 | 1:41:02 | 137.1 nits |
|