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AI audio fixer: repair damaged voice recordings

SalvagesCompound mic flawsCodec warbleOver-denoised callsBad webcam takes

Salvage rough speech recordings when several audio problems ruin a take at once.

10M+ files processed since 2021

Full

From gentle to full repair.

More options
Free for the first minute, 3 times a day. No sign-up.
Powered byAudio enhancer· tuned for multi-problem speech salvageMade for voices. Music and other sounds are removed too.
Maybe looking for:Remove noise· Hiss, hum & background noiseBalance audio· Even out loud & quiet voices

Hear the difference

Play Original, then Enhanced.

Enhanced fixes the muffled sound and hum and echo and codec grit.

Made with Audio enhancer

Works in any language

  • Hello
  • こんにちは
  • Hola
  • 안녕하세요
  • Bonjour
  • नमस्ते
  • Hallo
  • 你好
  • Ciao
  • مرحبا
  • Olá
  • Привет
  • Hoi
  • สวัสดี
  • Merhaba
  • Γεια σας
  • Xin chào
  • שלום
  • வணக்கம்
  • Kia ora

How to fix bad audio in a voice or video file

  1. 1

    Upload the damaged voice track, call export, or video recording.

  2. 2

    Keep Repair strength at Full repair for compound damage, or slide toward Gentle to retain more raw mic texture.

  3. 3

    Audition the salvaged take against your source, then download the repaired file.

Salvage jobs where stacking single-purpose filters fails

When room bounce, HVAC rumble, a cheap webcam capsule, and heavy compression stack on one recording, repairing speech in a single pass avoids watery filter artifacts.

  • Compound speech damage

    Fix audio online when echo, noise, and a bad mic collide

    Running a spectral denoiser, a de-reverb plugin, an equalizer, and a compressor one after another compounds phase smear until the speaker sounds metallic and underwater. When you fix audio online in a single generative pass, all four flaws clear together cleanly.

  • Codec & bitrate grit

    AI audio repair for swirly low-bitrate MP3 and Opus archives

    Old 32 to 64 kbps webinar exports, re-saved screen captures, and compressed messaging voice notes chew upper frequencies into watery digital swirl. Use AI audio repair to replace mangled codec artifacts with clean 48 kHz consonant definition.

  • Robotic call recordings

    Rescue over-denoised Zoom, Teams, and Discord exports

    Aggressive live noise suppression in meeting apps often clips the start of words and leaves remote guests sounding hollow or gated. Rebuilding vocal body on the saved MP4 or M4A makes the recording pleasant to share before running Meeting recording shortener or Interview transcription.

  • Wrong input & field takes

    Salvage client interviews recorded on the wrong microphone

    Discovering after a guest logs off that your recorder captured the laptop's internal mic instead of your XLR studio mic used to mean scrapping the episode. See how single-pass voice rebuilding compares with traditional noise reduction in best AI noise removal tools.

Why single-pass voice repair beats chaining four separate filters

Audo's AI audio fixer uses Audio enhancer to salvage damaged speech in audio (WAV, MP3, M4A, AAC, FLAC, OGG, Opus, WebM, AIFF) and video (MP4, MOV, MKV, WebM, AVI) tracks up to 10 GB without an account (up to 10 hours signed in), processing the first minute of each file free, 3 times a day, with no sign-up. Expect results in about 8 seconds for 1 minute, about 38 seconds for 20 minutes, and under 2 minutes (about 1 minute 42 seconds for audio) for a full 1-hour session.

In a traditional editing chain, each filter inherits the mistakes of the one before it: a noise reducer leaves chirping residue on reverberant tails, a de-reverb smears that residue, and makeup compression pulls every artifact right back up to full volume. Rather than subtracting flaws layer by layer, Audo reads the speaker's underlying phonetics, pitch contour, and timing to synthesize a clean 48 kHz studio track leveled to −16 LUFS.

Because people search to fix audio for very different problems, check the diagnostic table below before running a long file. Leave Repair strength at Full repair for compound speech damage, or pull toward Gentle to blend back original mic character. When two clean mics simply play at unequal volumes, use Audio leveler; when only steady fan noise sits behind a good studio mic, use Remove noise; when music plays under dialogue or in a song, use Remove music from video or Vocal remover; and note that lip-sync timing drift or unreadable corrupted file headers cannot be fixed here.

Diagnostic guide: what AI audio fixer repairs vs. non-speech file issues
What is wrong with the recordingRepaired here?What to do
Echoey room + noisy HVAC + thin webcam or phone mic at onceYes — rebuilt in one pass at 48 kHzKeep Repair strength at 80–100% (Full repair)
Watery 64 kbps MP3/Opus warble or gated Zoom call artifactsYes — replaces codec swirl with clean vocal harmonicsRun Repair strength at 70–100%
Loud host and quiet guest on otherwise clean microphonesPartial — sets overall −16 LUFS, not per-speaker turn gainUse Audio leveler to match speaker turns within 15 dB
Songs, musical instruments, or background video scoresNo — speech model strips music and singingUse Remove music from video or Vocal remover instead
Out-of-sync video lip-sync or broken unplayable .mp4/.wav headersNo — preserves source timing and requires a valid media streamSlip audio offset in a timeline editor or repair missing container headers first

Questions

Can I use Audo's AI audio fixer for free?

Yes. Audo repairs the first minute of each damaged audio or video file free, 3 times a day, with no sign-up. Salvaging full-length files costs $0.05 a minute ($3.00 an hour), paid only as you go with no subscription — see pricing.

How do I fix bad audio in a recording or video when several things went wrong?

Drop your audio or video file into Audo's AI audio fixer, set Repair strength between Full repair and Gentle, and download the salvaged recording. Instead of stacking separate denoise, EQ, and de-reverb plugins, Audo rebuilds clear 48 kHz speech and levels loudness in one step.

Can this fix corrupted audio files that won't play, or out-of-sync video?

No. Audo's AI audio fixer repairs rough speech quality inside playable media files — it cannot reconstruct missing MP4 moov atoms on an interrupted recording that refuses to open, nor does it shift audio timestamps to fix lip-sync drift against a camera track. To inspect whether a file's streams and codecs are readable, run Audo's Media info for free.

Does AI audio repair clean up codec warble on old MP3s and messaging clips?

Yes. Heavy lossy compression at 32 to 64 kbps discards upper frequency bins, creating metallic swirl around s and sh sounds. Audo's AI audio fixer rebuilds the voice at 48 kHz, replacing that digital grit with smooth, natural consonants.

What if one speaker in my recording is much quieter than the other?

Audo's AI audio fixer repairs vocal tone and normalizes the overall file to −16 LUFS, whereas large volume gaps between a loud host and a quiet guest are best matched turn by turn in Audo's Audio leveler (which adjusts individual voices by up to 15 dB). You can run one right after the other.

Why did background music or sound effects vanish when I ran Fix audio?

Because Audo's AI audio fixer reconstructs spoken voices alone, music beds, jingles, applause, and ambient foley are stripped out. To remove background music while keeping footsteps and sound effects in a video, use Remove music from video; to remove one specific sound such as a dog bark, use Audo's Sound remover.

Can ChatGPT, Claude, or coding agents fix audio files automatically with Audo?

Yes. Connect Audo over MCP so ChatGPT, Claude, Claude Code, or Cursor can repair damaged speech recordings directly from chat, or automate batch salvage scripts through the noise removal API. Add Audo to your assistant once to set it up.

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Ask ChatGPT, Claude, or a coding agent to do this for you, or call it from your own code. When an agent's free result is cut short, it gives you a link to finish the whole file, no sign-up.

Show the free API call
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curl -F file=@panel-webinar.mp4 https://audo.ai/api/try/enhance-voice -D response.headers -o response.body