macOS telephony event sounds · Incoming call
vc~ringing
44c307ec8c80
Level measurements
Integrated-10.3 LUFS
Maximum momentary-9.1 LUFS
True peak-3.0 dBTP
RMS-17.7 dBFS
Active RMS-11.7 dBFS
Duration2.998 s
| Maximum short-term | — |
|---|---|
| Loudness range | — |
| Sample peak | -3.0 dBFS |
| Sample crest factor | 14.7 dB |
| True-peak crest factor | 14.7 dB |
| Active duration | 0.750 s |
Level over time
RMS · 10.0 ms · 300 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 centroid289 Hz
Peak frequency291 Hz
200 Hz–8 kHz energy98.8 %
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
Incoming call
vc~ringing.aif
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:21Z
Technical metadata
| SHA-256 | 44c307ec8c80cd8a0e44f4c23dfad4dca00214714ef9f41bff4b40f425ad2064 |
|---|---|
| Analyzed | 2026-08-09T06:27:21Z |
| Codec | PCM signed 16-bit big-endian |
| Sample format | s16 · 16 bit |
| Sample rate | 44100 Hz |
| Channels | 2 |
| Analysis profile | notification-sound-db-bs1770-v2 |
| FFmpeg | ffmpeg version 8.1.2 Copyright (c) 2000-2026 the FFmpeg developers |