Slack · Call state
calls_alert_v2
a3ed80f7137a
Level measurements
Integrated-29.9 LUFS
Maximum momentary-26.7 LUFS
True peak-8.7 dBTP
RMS-30.4 dBFS
Active RMS-28.4 dBFS
Duration1.124 s
| Maximum short-term | — |
|---|---|
| Loudness range | — |
| Sample peak | -8.7 dBFS |
| Sample crest factor | 21.7 dB |
| True-peak crest factor | 21.7 dB |
| Active duration | 0.710 s |
Level over time
RMS · 10.0 ms · 113 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 centroid417 Hz
Peak frequency366 Hz
200 Hz–8 kHz energy99.5 %
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
Slack v4.51.180
Call state
Contents/Resources/calls_alert_v2.mp3
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:30Z
Technical metadata
| SHA-256 | a3ed80f7137ae527510377edfcf57f8fcd86fc86416a922b648dc54604456a02 |
|---|---|
| Analyzed | 2026-08-09T06:27:29Z |
| Codec | MP3 (MPEG audio layer 3) |
| Sample format | fltp |
| Sample rate | 44100 Hz |
| Channels | 1 · mono |
| Analysis profile | notification-sound-db-bs1770-v2 |
| FFmpeg | ffmpeg version 8.1.2 Copyright (c) 2000-2026 the FFmpeg developers |