Books · UI feedback
skipFX
5d7a7e8a867e
Level measurements
Integrated-15.0 LUFS
Maximum momentary-15.0 LUFS
True peak-1.0 dBTP
RMS-10.5 dBFS
Active RMS-10.5 dBFS
Duration0.083 s
| Maximum short-term | — |
|---|---|
| Loudness range | — |
| Sample peak | -1.0 dBFS |
| Sample crest factor | 9.5 dB |
| True-peak crest factor | 9.5 dB |
| Active duration | 0.083 s |
Level over time
RMS · 10.0 ms · 9 points
Each point is the channel-combined RMS of a non-overlapping frame. Values below −80 dBFS are pinned to the chart floor for display; the canonical JSON retains measured values, and digital silence remains null.
Frequency characteristics
Spectral centroid439 Hz
Peak frequency444 Hz
200 Hz–8 kHz energy100.0 %
Frequency is shown on the horizontal axis and band energy on the vertical axis. Values below −120 dBFS are pinned to the chart floor for display.
Current source occurrences
Books v8.5
UI feedback
Contents/Frameworks/BKAudiobooks.framework/Versions/A/Resources/skipFX.aiff
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:28Z
Technical metadata
| SHA-256 | 5d7a7e8a867e96952300ab764d86854689a17d1f09740a593e6cd91fecc47356 |
|---|---|
| Analyzed | 2026-08-09T06:27:28Z |
| Codec | PCM signed 16-bit big-endian |
| Sample format | s16 · 16 bit |
| Sample rate | 48000 Hz |
| Channels | 2 · stereo |
| Analysis profile | notification-sound-db-bs1770-v2 |
| FFmpeg | ffmpeg version 8.1.2 Copyright (c) 2000-2026 the FFmpeg developers |