macOS CoreAudio event sounds · UI feedback
jbl_begin
d6720298624d
Level measurements
Integrated-22.3 LUFS
Maximum momentary-20.5 LUFS
True peak-8.5 dBTP
RMS-27.5 dBFS
Active RMS-26.1 dBFS
Duration1.219 s
| Maximum short-term | — |
|---|---|
| Loudness range | — |
| Sample peak | -8.5 dBFS |
| Sample crest factor | 19.0 dB |
| True-peak crest factor | 19.0 dB |
| Active duration | 0.890 s |
Level over time
RMS · 10.0 ms · 122 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 centroid266 Hz
Peak frequency258 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 CoreAudio event sounds v26.6.1
UI feedback
siri/jbl_begin.caf
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:20Z
Technical metadata
| SHA-256 | d6720298624da9b0f31a0e427fc973d3f13d4947f0d0027273a1f2cdf8038c6a |
|---|---|
| Analyzed | 2026-08-09T06:27:17Z |
| Codec | PCM 32-bit floating point little-endian |
| Sample format | flt · 32 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 |