Slack · Incoming call
calls_incoming_ring_v2
42b56a77efb1
Level measurements
Integrated-22.5 LUFS
Maximum momentary-20.5 LUFS
True peak-3.4 dBTP
RMS-23.5 dBFS
Active RMS-22.5 dBFS
Duration4.599 s
| Maximum short-term | -22.7 LUFS |
|---|---|
| Loudness range | 13.9 LU |
| Sample peak | -3.4 dBFS |
| Sample crest factor | 20.1 dB |
| True-peak crest factor | 20.1 dB |
| Active duration | 3.620 s |
Level over time
RMS · 11.497 ms · 400 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 centroid473 Hz
Peak frequency592 Hz
200 Hz–8 kHz energy99.6 %
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
Incoming call
Contents/Resources/calls_incoming_ring_v2.mp3
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:30Z
Technical metadata
| SHA-256 | 42b56a77efb167b1052d46b7f113956e5b733220c0e031eea922f9c3a9ca89dc |
|---|---|
| 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 |