Enhance spoken audio, reduce unwanted noise, improve clarity and prepare recordings for podcasts, videos, courses and social media.
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Convert speech to text using browser capabilities or optional API
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Everything you need to know about VoicePolish AI
Audio enhancement is the process of improving the quality of a recording by reducing unwanted noise, echo, reverb, and other imperfections while boosting the clarity and presence of the desired sound — typically the human voice. VoicePolish AI uses browser-based audio processing to help you achieve professional-sounding results without expensive hardware or complex software.
Noise reduction algorithms identify and attenuate background noise such as hum, hiss, fan noise, or traffic sounds. In VoicePolish AI, we use a combination of filtering and spectral processing techniques to separate the voice from the noise floor, resulting in cleaner, more intelligible audio.
Echo and reverb occur when sound reflects off surfaces in a room, creating a "distant" or "hollow" sound. Our echo reduction applies adaptive filtering to identify and suppress these reflections, bringing the voice forward and making it sound more present and direct.
Podcast audio benefits from noise reduction, compression, and EQ to ensure consistent volume and clarity across multiple speakers. Use VoicePolish AI's podcast preset to automatically apply optimal settings for spoken-word content.
YouTube videos often have varying audio quality depending on the recording environment. Use our YouTube preset to reduce background noise, normalize volume, and add a slight bass boost for a fuller, more engaging sound.
Upload your audio to VoicePolish AI, adjust the Noise Reduction slider, and let the browser process the file. The higher the setting, the more noise is removed — but be careful not to over-process, as it can affect the natural tone of the voice.
Volume normalization ensures that the loudest and quietest parts of your recording are brought to a consistent level. Use the Loudness control to target a specific LUFS value, or use the Gain control for manual adjustment.