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Voice Pitch Analyzer

See the pitch of your voice while you speak or sing: the frequency in hertz, the nearest note with cents, a live trace and a summary of your session. Use the microphone or analyse a recording. It shows numbers, not a judgement, and the audio is analysed in your browser.

Your pitch now

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Press Start, allow the microphone, then speak or sing a steady sound.

Pitch over the last 15 seconds

100 Hz200 Hz400 Hz800 Hz

Summary

Median

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Typical range

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Time voiced

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Session

0:00

The microphone audio is analysed in your browser and is not saved or uploaded.

How to check your voice pitch

Three steps, in your browser.

  1. 1

    Press Start and allow the microphone

    Use a quiet room and hold the phone or laptop at a normal speaking distance. Or switch to A recording and drop a voice file instead.

  2. 2

    Speak or sing

    The big number is your pitch now, in hertz and as the nearest note. The trace shows the last 15 seconds, so you can see a sentence rise and fall.

  3. 3

    Read the summary

    Stop when you are done. The median is the middle of everything you said, the typical range runs from the 5th to the 95th percentile, and time voiced counts only the moments with a clear pitch.

Loudness instead of pitch? Use the Decibel Meter. Want a take to keep? Record it with the Online Voice Recorder.

What you see

  • Hertz and the nearest note

    The pitch in hertz (vibrations per second) and as a note, such as A3 or E4, with how many cents above or below it you are. 100 cents make one semitone; A4 is tuned to 440 Hz.

  • A live trace

    The line shows your pitch over the last 15 seconds on a scale from 60 to 1000 Hz. Gaps are pauses, breaths or sounds without a clear pitch, such as s and f.

  • Median and range

    The median is less thrown by a single squeak than an average. The typical range leaves out the highest and lowest 5 %, so one stray reading does not stretch it.

  • A recording, too

    Drop a voice memo, a practice take or a call recording (100 MB, 30 minutes) and see its trace and summary. The first 10 minutes are analysed.

When it helps

  • Presentations and sales calls

    Nerves often push the voice up. Practise the opening of a pitch or a call and watch the trace: if it climbs as you go, slow down, breathe and land your sentences lower.

  • Singing practice

    Hold a note and read the cents: the closer to 0, the closer you are to the note. The trace shows whether a long note drifts or wobbles.

  • Voice training

    Track the median and range of the same sentence over days or weeks. The tool shows numbers; what they should be is a goal for you, or for you and a coach, to set.

  • Checking a recording

    See how a recorded talk, podcast or call moved: where the voice rose, where it stayed flat, how much of it was voiced.

Rehearsing a talk? Keep time with the Speech Timer. Guides: giving a technical presentation and reviewing your sales calls.

Notes and frequencies

Every octave doubles the frequency. The Cs from C2 to C6, and A4:

NoteFrequency
C265.4 Hz
C3130.8 Hz
C4261.6 Hz
A4440.0 Hz
C5523.3 Hz
C61,046.5 Hz
Computed from A4 = 440 Hz with equal temperament (each semitone is the twelfth root of 2).

How the pitch detection works

About 20 times a second, the tool takes a short slice of the sound and looks for the time after which the wave repeats itself, using the YIN method published by de Cheveigné and Kawahara in 2002. That repeat time gives the fundamental frequency, which is what you hear as the pitch of a voice.

Only sounds with a clear repeat get a reading. Silence, breaths, whispers and consonants such as s, sh and f have none, so the display shows nothing for them; that is expected, not an error. Several voices at once, music under the voice or loud noise can also read as nothing, or as a wrong value.

Like every pitch tracker, it can now and then jump an octave on a breathy or creaky sound. The median and the 5th to 95th percentile range leave such stray readings out.

From practice to the real call

Practising a pitch or a sales call? When the real meeting or call happens, ParrotNotes records it on your phone and gives you the transcript and a summary, free for 100 minutes of recording a month.

Get ParrotNotes free

Related tools

Voice Pitch Analyzer FAQ

Sources