macOS telephony event sounds · Call state
hold
17f4dc06217a
Level measurements
Integrated-25.2 LUFS
Maximum momentary-23.0 LUFS
True peak-16.5 dBTP
RMS-27.3 dBFS
Active RMS-26.1 dBFS
Duration4.500 s
| Maximum short-term | -28.0 LUFS |
|---|---|
| Loudness range | 4.3 LU |
| Sample peak | -16.5 dBFS |
| Sample crest factor | 10.8 dB |
| True-peak crest factor | 10.8 dB |
| Active duration | 3.450 s |
Level over time
RMS · 11.27 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 centroid415 Hz
Peak frequency420 Hz
200 Hz–8 kHz energy99.9 %
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
macOS telephony event sounds v26.6.1
Call state
hold.wav
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:21Z
Technical metadata
| SHA-256 | 17f4dc06217ad02e48e4778d8715f578bbf11bc12ee9949715cd67be310824ec |
|---|---|
| Analyzed | 2026-08-09T06:27:20Z |
| Codec | PCM signed 16-bit little-endian |
| Sample format | s16 · 16 bit |
| Sample rate | 44100 Hz |
| Channels | 1 |
| Analysis profile | notification-sound-db-bs1770-v2 |
| FFmpeg | ffmpeg version 8.1.2 Copyright (c) 2000-2026 the FFmpeg developers |