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Free Alastor voice changer

Broadcast yourself as a free, crackling 1930s radio host.

Real-Time Voice Changer: change your voice live

Your browser will ask for microphone access when you click.

Before and after

Compare
Free Alastor voice changer

  • Variation: Band widened to 250–5500 Hz: the host in the studio, not on the set.

  • Variation: Distortion 0.5 with an 8-bit crusher: the broadcast breaking up.

The exact settings

SettingValue
Noise gatemutes the mic below -50 dB, between words
Pitch+2 (higher)
Tone+1 (sounds smaller)
Distortiondrive 0.3, 50% mix
Chorus / vibratowobbles 0.7 times a second, 25% mix
Bass cutbelow 500 Hz
Treble cutabove 3.6 kHz
Midrange+6 dB around 1.7 kHz
Compressorsteadier volume (6:1 from -28 dB, then +6 dB)

Use it in calls and on recordings

  1. 01

    Try it here

    Press Start mic above and talk. You hear this voice with the exact settings on this page, and every slider can be moved.

  2. 02

    Use it live

    Press Use this voice in calls, then pick Facecam Virtual Mic as the microphone in Discord, Google Meet, Zoom or any other call that runs in Chrome.

  3. 03

    Put it on a recording

    Open Online Voice Changer, record or upload a file, choose the same settings and download the result.

More about this voice

Building a 1930s wireless set

PartSettingWhat you hear
Radio bandBass cut below 500 Hz, treble cut above 3.6 kHzThe thin, boxy sound of a small old speaker
CrackleDistortion 0.3, 50% mixed inValve fuzz on the loud syllables
HornMidrange +6 dB around 1.7 kHzThe bright bark of an announcer's microphone
Broadcast levelCompressor 6:1 from -28 dBEverything pressed to one loud, even volume
BrightnessPitch +2, Tone +1A lighter, more chipper voice than your own

Never stop smiling

  • Hold a showman's grin for the whole line. The cheer has to stay on even when the words turn menacing; that mismatch is the character.
  • Use an old announcer's rhythm: quick, clipped, every consonant landed, sentences rolling on with barely a breath.
  • Punch one word per sentence and glide over the rest, like someone reading the evening programme.
  • Stage laughter and musical stings are not added for you. If you want them, laugh yourself or play them from a soundboard.

On the set, in the studio, or breaking up

The main clip is the voice as heard through the radio itself. Widening the band to 250–5500 Hz gives the host in the studio, not on the set: fuller and clearer, the better pick for long roleplay scenes where people need every word. The last clip pushes distortion to 0.5 at 70% and adds an 8-bit crusher at 9 kHz, 40% mixed in. That is the broadcast breaking up, for the moments when the character's temper slips. Switch to it for a line or two, then return.

Free Alastor voice changer FAQ

Can I use the Alastor voice for Discord roleplay?

Yes, as long as you use Discord in a Chrome tab at discord.com. Choose Facecam Virtual Mic under Voice & Video after pressing Use this voice in calls. It won't show up in the downloaded Discord app.

Is this Alastor's real voice?

No. It's an old-radio effect chain on your own voice that points in his direction. It is unofficial and holds no audio from the series.

Why does it sound so thin?

Everything below 500 Hz and above 3.6 kHz is removed, as on a 1930s set. The studio clip's wider band brings some body back.

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