Measured voice · The gravel

Tom Waits

130s segment · male register · 16 benchmarked readings · measured 2026-07-26

Comparisons are based on Resonate's acoustic analysis of publicly available speeches. No endorsement or affiliation is implied.

The read

Waits has spent a career cultivating a voice that sounds salvaged — left out in the rain, dragged a few miles behind the tour bus. Measured at home, talking about songwriting, the wreckage turns out to be running on perfect rails: nearly a quarter of the answer is deliberate silence — forty-seven stops, with pause ratio and length both optimal — while average pitch, range, variability and volume dynamics all read in-band beneath the growl. Only the texture itself sits outside the lines: clarity comes back low, the rasp registering as noise, though the remote phone recording takes part of that blame. The rust is real. The timing under it is Swiss.

Pitch contour · every voiced frame

1181812450s65s130sHz

Pitch & melody

Average pitch110Hz
in the zoneoptimal 100150 Hz
Pitch variability3.88st
in the zoneoptimal 36.5 st
Pitch range8.46st
in the zoneoptimal 712 st
Pitch dynamism (PDQ)0.28
in the zoneoptimal 0.150.38

Pacing & pauses

Pause ratio23.5%
in the zoneoptimal 1835 %
Average pause length0.65s
in the zoneoptimal 0.41 s
Syllable rate3.09syl/s
below the zoneoptimal 45.5 syl/s

Dynamics

Volume dynamics21.5dB
above the zoneoptimal 818 dB
Loudness variability6.26dB
in the zoneoptimal 3.58 dB

Voice quality

Voice clarity (HNR)11.4dB
below the zoneoptimal 1230 dB
Pitch steadiness (jitter)2.8%
above the zoneoptimal 02.5 %
Volume steadiness (shimmer)10.7%
above the zoneoptimal 09 %
Vocal fry (creak)0.7%
in the zoneoptimal 08 %

Spectral balance

Presence band (2-4 kHz)1.07%
below the zoneoptimal 620 %
Chest band (0-500 Hz)83.2%
above the zoneoptimal 3575 %
Spectral tilt (alpha ratio)-12.5dB
in the zoneoptimal -22-8 dB

Energy by band

Low (0–500 Hz)83.2%Mid (0.5–2 kHz)12.0%Presence (2–4 kHz)1.1%Brilliance (4 kHz+)3.8%

The presence band (2–4 kHz, red) is what carries a voice to the back of a room.

Steal this

the full stop

What the measurements endorse is the unhurried machinery: real pauses, landed often and held to length, with the pitch staying mobile in between. Make the point, then hold a genuine beat of silence before the next one — and let the melody, not the volume, keep the listener leaning in across the gap. Texture is optional. The rails are the technique.

From the training library: The full stop

Same instrument · same scale

You’ve just read Waits’s voice. Now read your own.

Measure my voice

Free · about twenty seconds · no signup. The same six scores on the same scale — and the recording is deleted the moment it’s analysed.