loudness.ai

AI Audio Enhancer Online

Improve audio quality in voice recordings with an audio enhancer. The noise remover can remove background noise such as hiss, hum, fans, and traffic. The voice enhancer makes podcasts, voiceovers, calls, and video dialogue clearer and more even.

Reduce hiss, hum, fans, and traffic
Make speech clearer and more even
Clean podcasts, voiceovers, calls, and dialogue
ENHANCER · PROCESS STATUS ● READY

Reduce hiss, hum, and fan noise.

Make speech clearer and volume more even.

Drop your recording here
Audio up to 20 min · Video up to 5 min
Max 50 MB per file
File requirements

Audio: WAV, MP3, M4A, AAC, FLAC, OGG, OPUS or WebM.

Video: MP4 or MOV (H.264), up to 1080p and 60 fps.

Free to use · no signup

Hear before and after
01 — What it fixes

Clean Noisy Speech and Make Voices Easier to Hear

A speaker records her voice while a desk fan and traffic outside the window add background noise to the microphone
A microphone can pick up the room around you as well as your voice.
Spoken voiceBackground noise

Hear Noise Removal

Listen to what changes between the words.

Press play, then switch versions to hear the difference.

Speech with fan noise

Compare the steady hum before and after cleanup.

Speech with background hiss

Listen for the hiss in the pauses between phrases.

Try your own recording
STEADY BACKGROUND NOISE

Use noise removal to denoise audio and reduce steady sound from fans, air conditioners, or traffic. It can remove hiss from a noisy microphone and remove hum from electrical equipment.

MUFFLED VOICE

The speech enhancer can enhance audio quality when a voice sounds dull or far away. It makes words easier to hear while keeping the speaker's natural tone.

LOW VOLUME

Raise quiet speech so people do not need to keep changing their playback volume.

UNCLEAR SPEECH

Voice Enhance brings spoken words forward when a recording sounds soft or unclear.

UNEVEN LEVEL

Use the voice enhancer to balance volume between quiet and loud parts. Better volume balance makes the whole recording easier to follow.

ROOM ECHO

The audio enhancer can soften light room sound. Use Echo Remover when reflected sound makes each word repeat or trail off.

Hear Voice Enhance

Bring a quiet voice forward

Keep your playback volume fixed, then compare the two versions. Listen to the voice become easier to follow.

Press play, then switch versions to hear the difference.

Quiet, uneven speech

The same voice recording, before and after Voice Enhance.

Audio credits

Voice excerpts: Garth Comira reading Ashiel Mystery and Heather Barnett reading Sense and Sensibility. From LibriSpeech by Vassil Panayotov, Guoguo Chen, Daniel Povey, and Sanjeev Khudanpur, under CC BY 4.0. We cut the clips and added noise or changed their volume. We then cleaned them with Loudness.ai.

02 — How it works

How the Audio Enhancer Improves Voice Recordings

1

Choose a cleanup mode

Choose Noise Removal for steady background sound. Choose Voice Enhance when speech needs more clarity and a more even level.

2

Upload your recording

Upload an audio recording or an MP4 or MOV video. Videos use Noise Removal and keep the original picture.

3

Preview and download

Listen to the cleaned audio. Download it when the speech is clear and the voice sounds natural to you.

03 — Who it's for

Enhance Podcast, Voiceover, Meeting, and Video Audio

People recording a voice lesson, joining an online meeting, and making a voice note with built-in laptop and phone microphones
Record with your laptop or phone, then clean up the audio online.

Podcast audio

Clean podcast audio with the noise remover. Reduce hiss, hum, and background noise, then normalize audio so each voice sounds clear and even.

Video audio

Clean video audio by uploading tutorials, interviews, and social clips. Reduce background noise, preview the cleaned video, and download it as an MP4.

Online meetings

Use the speech enhancer to denoise audio from interviews, lessons, and online meetings. Reduce fans, traffic, and room noise so each speaker is easier to understand.

Voice notes and old recordings

Use the audio enhancer to improve audio quality in voice notes, lectures, and old recordings. Make speech clearer before you share, edit, or save the file.

Remove background noise from phone and laptop recordings

Record voice notes, lessons, or a quick podcast with the built-in microphone on your phone or laptop. You can use the device you already have, without buying an external microphone or studio gear.

At home, at work, or on the go, record when you have something to say. Choose Noise Removal and upload your file to reduce fan noise, hiss, and background hum. Listen to the result, then download your cleaner audio.

Clean up your recording
04 — FAQ

AI Audio Enhancer Frequently Asked Questions

Is the AI audio enhancer free with no signup?

Yes. Use the audio enhancer online for free with no signup. Choose a mode, upload your recording, and download the cleaned audio.

What is the difference between a noise remover and a voice enhancer?

A noise remover lowers hiss, hum, and other background noise. A voice enhancer makes speech clearer and balances uneven volume.

Can it remove hiss, hum, wind, and mouth sounds?

The noise remover reduces steady hiss, hum, room noise, light wind, clicks, and mouth sounds so the recording is easier to hear.

Keep going
Echo Remover
For heavy room reverb
Music Mastering
For finished mixes
Vocal Remover
Isolate or erase vocals

Get a better recording at the source

Find the cause of microphone hiss. Check the recording chain before you process a noisy voice.

Trace microphone hum and buzzing. Work through power, cables and connections to isolate the cause.

Reduce fan noise in your recordings. Move the mic or fan. Then make a short test recording.

Prevent and reduce microphone wind noise. Compare wind protection and repair options for outdoor speech.

Handle traffic and café noise in speech. Learn which background sounds are easier to reduce and when to record again.

Hear the difference between echo and reverb. Use the sound examples to choose your next step.