StudioWavePro — Online Audio Editor with 48+ Studio Tools

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Hiss is the constant "shhhh" sound that creeps into recordings from microphone self-noise, preamp gain, tape saturation, and cheap audio interfaces. It sits in the upper-mid and high frequencies and masks the detail in voices and instruments — making recordings sound amateurish even when the performance is great.

StudioWavePro's AI Hiss Remover targets this frequency range specifically. It learns what hiss sounds like in your recording and removes it cleanly without dulling the highs or adding the metallic "warbling" artifacts that older spectral-subtraction tools produce. The result is a cleaner, more professional sound straight out of the box.

When to use

Clean up podcast and voiceover recordings made with budget USB microphones.
Remove tape hiss when digitizing cassettes, VHS audio, or reel-to-reel recordings.
Reduce preamp hiss from recordings made at high gain settings.
Strip mic self-noise from condenser microphone recordings in quiet rooms.
Clean up guitar amp recordings with noisy pedals or single-coil pickup hum.

How to use

Click "Open Hiss Remover" to launch the editor.
Upload your audio file — MP3, WAV, OGG, M4A, or FLAC.
Choose a preset or adjust Strength to taste (Balanced works for most microphone recordings).
Click "Remove Hiss" and download the clean result.

Tips

Use the Balanced preset for most microphone hiss — it's tuned to preserve vocal warmth while cleaning the high-frequency noise floor.
For tape hiss from cassette digitizations, try the Strong preset — tape hiss tends to be louder and broader than mic self-noise.
If the highs sound too dull after processing, reduce strength slightly — a little residual hiss is better than muffled audio.

Frequently asked questions

What is hiss and where does it come from?: Hiss is broadband high-frequency noise generated by microphone electronics, preamp circuits, and magnetic tape. It's almost always present to some degree in recordings made without professional-grade equipment.
Will removing hiss affect the brightness of the audio?: At moderate settings, the AI separates hiss from the actual high-frequency content of the recording (like sibilance or cymbal detail) and removes only the noise. Heavy settings may slightly soften the air — use a lighter preset if that's a concern.
Is this free?: Yes, the Hiss Remover is free to use today. No account or signup needed.

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.