The shape of sound
6 notes in this shelf
Frequencies
Pitch, audiograms, frequency ranges, and the language used to describe an auditory signal.
Latest in Frequencies
Sorted by publish date.
- 01Jul 15, 2026
Why does my tinnitus sound like crickets at night?
Cricket-like tinnitus is often a high-frequency or layered sound that stands out in quiet rooms. It is common, but changes need attention. What to watch.
Read note → - 02May 22, 2026
Pure-tone average (PTA): the single number from your audiogram
PTA averages thresholds at 500, 1000, and 2000 Hz to summarize hearing loss severity in one number. What the ranges mean and where the metric falls short.
Read note → - 03May 21, 2026
High-frequency tinnitus: why 4 to 8 kHz ringing is the most common pattern
Why noise damage hits 4 kHz first, why aging accelerates damage above 6 kHz, and what the 'noise notch' on your audiogram has to do with your ringing pitch.
Read note → - 04May 21, 2026
How to read an audiogram: symbols and hearing test results
Read hearing test results step by step. Decode audiogram symbols, the dB-HL and frequency axes, air versus bone conduction, masking, and the speech banana.
Read note → - 05May 21, 2026
Low-frequency tinnitus: when ringing sounds more like a hum or roar
Low-pitched tinnitus is less common than high-pitched but is the signature of Meniere's disease, eustachian tube dysfunction, and some vascular causes.
Read note → - 06May 21, 2026
What pitch is your tinnitus, and what your answer reveals about its source
Tinnitus pitch usually mirrors the frequency of your hearing loss. How to estimate your tinnitus pitch with a free online tone generator and why it correlates with cochlear damage location.
Read note →