Beatzuckerv1.4.1
All tools
VOICE CLEAN LAB

Less noise. More voice.

Clean up podcast and spoken-word recordings. Compare, listen and download.

BEATZUCKER AUDIO LAB

Remove background noise from audio – free podcast and voice cleaner

Reduce steady background hiss in interviews, podcasts and voice recordings. Choose from three strengths, an optional 70 Hz rumble filter and gentle level adjustment. Free and without sign-in: WAV, MP3 or FLAC up to 80 MB, five minutes, mono/stereo. Download a complete 24-bit WAV at 48 kHz.

Three noise-reduction strengths
A/B comparison and measured loudness
Complete WAV download
PRACTICAL EXAMPLE · ILLUSTRATIVE, NOT A TEST RESULT

Your voice recording has steady background hiss and uneven levels.

  1. Try this: Start with Gentle. Enable rumble filtering and level adjustment as needed. Compare quiet syllables and pauses before downloading the WAV.
  2. How to interpret it: Metallic sound means: reduce the strength. This cannot reliably remove echo, music or other speakers. Keep your original recording.

A simple workflow for your recording

Clean up a voice recording if needed, keep the part you want, then create a smaller MP3 for sharing. Each tool is independent: download the result and choose it in the next tool. No automatic file transfer.

How it works

  1. Choose a voice recording and start with Gentle
  2. Enable rumble filtering and level adjustment as needed
  3. Process, compare original and cleaned audio, then download WAV

Frequently asked questions

Can it remove echo or background music?

Not reliably. Conventional spectral noise reduction is designed for steady noise, not separating speakers or music. It cannot repair room echo or clipped recordings.

Which strength should I use?

Start with Gentle and listen to quiet syllables, breaths and pauses. Strong settings can sound metallic or affect speech. Compare before downloading.

How is loudness adjusted?

Level adjustment adds gentle compression, then aims towards −19 LUFS mono or −16 LUFS stereo. A maximum +12 dB boost and peak headroom may require a quieter result. The actual output values are measured.

How are my files processed?

Your recording is uploaded temporarily for server processing and removed after the request. The WAV download is held in your browser, not in mastering history. Technical failures may require later cleanup. No sign-in; retry later if the service is busy.

Learn more about audio

Common home-recording mistakesLUFS explainedAudio formats compared