StudioWavePro — Online Audio Editor with 48+ Studio Tools

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Speech intelligibility — how easily a listener can understand every word — depends on the signal-to-noise ratio. When background noise is too high relative to the speaker, listeners have to work hard to follow along. Over a long podcast episode or lecture, this translates directly to listener drop-off.

StudioWavePro's Speech Enhancer is tuned specifically for the frequencies and dynamics of human speech. It lifts the effective signal-to-noise ratio by suppressing everything that isn't speech, making recordings sound closer to a professional studio environment even when they were captured in a noisy room or over a video call.

When to use

Improve the intelligibility of remote interview recordings from Zoom, Teams, or Google Meet.
Enhance lecture and educational audio recordings for students.
Make conference call recordings clearer before sharing with teams.
Improve the quality of dictation recordings for transcription.
Clean up court or legal recordings where every word needs to be audible.

How to use

Click "Open Speech Enhancer" to launch the editor.
Upload your audio file — MP3, WAV, OGG, M4A, or FLAC.
Choose a preset: Subtle Enhancement for mild noise, Interview Ready for most recordings, Lecture/Call for heavy noise or video call audio.
Click "Enhance Speech" and download.

Tips

Video call recordings (Zoom, Teams) already apply some compression — use the Interview Ready preset to avoid double-processing artifacts.
For transcription use cases, maximum clarity is more important than naturalness — use the Lecture/Call preset.
The AI preserves the natural pitch and tempo of the speaker; it only removes noise, not speech characteristics.

Frequently asked questions

Does it work on Zoom and Teams recordings?: Yes. Remote call recordings often have background noise from the remote participant's environment. The AI handles this well even though the audio has already been compressed by the call platform.
Can it fix a recording where the speaker is too quiet?: The Speech Enhancer focuses on noise removal, not volume. After processing, use the Normalize or Volume tool to bring the level up if needed.
Is this free?: Yes, free to use today. No account required.

StudioWavePro is a complete audio editor with 48+ studio-grade tools in one workspace. Trim, master, EQ, time-stretch, denoise, remove vocals, detect BPM and musical key, generate metronomes, and more. Editing tools

Audio Trimmer — crop a track to a selected region

Mute Section — silence a selected region

Reverse Audio — play the track backwards

Fade In/Out — ramp volume at start or end

Silence Trimmer — strip leading and trailing silence

Silence Gap Inserter — insert silence at a chosen position

Audio Looper — repeat a section N times

Audio Splitter — cut a track into multiple parts

Audio Merger — join multiple files end-to-end

Silence Splitter — auto-split at silent gaps

Crossfade Joiner — join clips with overlapping fades

Time and pitch

Speed Changer — speed up or slow down (with optional pitch preservation)

Pitch Shift — change pitch without changing tempo

Tempo Detector — estimate the BPM of a music track

Key Detector — estimate the musical key

Metronome Generator — create a click track at any BPM

Effects

Volume — make a track louder or quieter

Bass Boost — lift the low end

Treble Boost — lift the high end

Low Pass Filter — cut off high frequencies

High Pass Filter — cut off low frequencies (remove rumble)

Equalizer (3-band) — low / mid / high tonal shaping

Equalizer (10-band) — fine-grained tonal control

Echo — add repeating echoes / delay

Distortion — overdrive, fuzz, and lo-fi grit

Stereo Balance — shift the L/R center of a stereo mix

Stereo Widener — make stereo narrower or wider

Vocal Remover — karaoke (center-channel removal)

Hum Remover — strip 50/60 Hz mains hum

Mastering and analysis

Normalize — maximize volume without clipping

Compressor — even out loud and quiet parts

Loudness Meter — measure peak, RMS, and LUFS

Mono Converter — collapse stereo to mono

Channel Extractor — pull L, R, Mid, or Side

Sample Rate Converter — resample to 44.1, 48, or 96 kHz

Polarity Inverter — flip waveform for phase alignment

DC Offset Remover — center waveform around zero

Audio Visualizer — render an animated video from audio

StudioWavePro supports MP3, WAV, OGG, M4A, and FLAC files. Exports include WAV and MP3. This app requires JavaScript to run. Please enable JavaScript in your browser.