Advanced AI-powered voice isolation. Remove background noise, music, ambient sounds, and isolate speech from any audio. Perfect for extracting vocals from music, cleaning podcast recordings, isolating dialogue from videos, preparing audio for transcription, and creating crystal-clear voice recordings from noisy environments.
AI-powered
Studio quality
Isolate voice
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Supported formats: audio and video
Maximum file size: 500MB
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Voice Isolation Settings
Configure how you want to isolate voice from your audio
AI-powered voice isolation removes background noise, music, and ambient sounds. Extract vocals from music, clean podcast recordings, isolate dialogue from videos, and prepare crystal-clear audio for transcription.
Advanced artificial intelligence algorithms analyze your audio and separate voice frequencies from all other sounds including music, background noise, ambient sounds, and unwanted audio.
Machine learning models trained on millions of audio samples can distinguish between human voice and non-voice audio with incredible accuracy, even in challenging acoustic environments.
The AI identifies vocal patterns, speech frequencies (typically 85-255 Hz fundamental frequency), and harmonic structures unique to human voice, preserving natural tone while removing everything else.
Works with both recorded audio and extracted audio from videos. Supports all major audio and video formats including MP3, WAV, M4A, MP4, AVI, MOV, and more.
Best for:
Complex audio mixes
Music separation
Noisy environments
Professional isolation
💡 Tip
Higher isolation strength (80-100%) works best for music vocal extraction. Lower strength (40-60%) is ideal for speech with moderate background noise.
Extract vocals from songs and music tracks for karaoke creation, remixing, music production, or vocal analysis. Isolate singing voice while removing instruments and backing tracks.
Clean podcast recordings by removing background music, ambient noise, room echo, HVAC sounds, traffic noise, and other environmental interference for professional-quality podcasts.
Isolate dialogue from video files for transcription, subtitling, dubbing, or audio description. Perfect for interviews, documentaries, vlogs, and educational videos.
Prepare audio for transcription services by isolating speech from background noise, music, or multiple speakers. GoTranscript and other transcription services deliver better accuracy with isolated voice audio.
Best for:
Music production
Podcast editing
Video dialogue
Transcription prep
💡 Tip
Use "Vocals/Singing" mode for music, "Voice/Speech" mode for dialogue, and "Spoken Word" mode for podcasts and lectures.
Professional-grade isolation quality that rivals expensive audio software and studio equipment. The isolated voice maintains natural timbre, tone, and clarity without digital artifacts.
Advanced frequency separation preserves the full range of human voice (fundamental and harmonic frequencies) while surgically removing unwanted sounds across the entire frequency spectrum.
Optional clarity enhancement adds post-processing to make isolated voice more intelligible and clear, perfect for speech-focused applications like podcasts, audiobooks, and transcriptions.
The isolation process preserves dynamics, emotional expression, and vocal nuances. Your isolated voice sounds natural and authentic, not robotic or artificially processed.
Best for:
Professional work
Music mastering
Broadcast quality
High-end production
💡 Tip
Enable "Preserve Voice Clarity" for speech applications. Disable it for music vocals where you want the raw isolated vocal track.
Isolation strength slider (0-100%) lets you control how aggressively the algorithm separates voice from background. Lower values preserve more background, higher values maximize isolation.
Gentle isolation (20-40%) removes obvious background noise while keeping subtle environmental ambience. Good for recordings where you want natural room tone with cleaner voice.
Moderate isolation (50-70%) provides balanced results, removing most background sounds while preserving voice naturalness. Recommended for most podcasts, interviews, and dialogue.
Aggressive isolation (80-100%) achieves maximum separation, removing virtually all non-voice audio. Perfect for music vocal extraction, extremely noisy environments, or transcription preparation.
Best for:
Fine-tuning results
Different noise levels
Specific use cases
Creative control
💡 Tip
Start with 70-80% strength and adjust based on results. If voice sounds thin or damaged, reduce strength. If background remains, increase strength.
Optional noise reduction layer works after voice isolation to further clean the isolated audio. This two-stage process ensures maximum clarity and minimum background interference.
The isolation stage separates voice from music and distinct sounds. The noise reduction stage removes residual hiss, hum, rumble, or low-level noise that persists after isolation.
Particularly effective for audio with multiple types of interference-voice isolation handles music and distinct sounds, noise reduction handles ambient noise and electrical interference.
Recommended for transcription preparation, podcast mastering, and professional voice recording where you need absolutely clean isolated voice audio with zero background noise.
Best for:
Maximum cleanliness
Transcription audio
Professional podcasts
Broadcast ready
💡 Tip
Enable noise reduction when preparing audio for transcription or when background noise remains after isolation. Disable it for music vocals where you want the natural isolated vocal.
Process audio files: MP3, WAV, M4A, AAC, FLAC, OGG, WMA, ALAC, AIFF, OPUS, and more. Any audio format containing voice can be processed for isolation.
Extract and isolate audio from video files: MP4, AVI, MOV, MKV, WMV, FLV, WEBM, MPEG, M4V, 3GP. Perfect for isolating dialogue from video interviews, vlogs, or recorded content.
Output in your choice of format: maintain original format, convert to mono for smaller files and voice-focused applications, or stereo for music vocals and spatial audio.
Files up to 500MB are supported, accommodating everything from short voice memos to full-length songs, podcast episodes, video interviews, and educational lectures.
Best for:
Format flexibility
Video dialogue
Music files
Any source audio
💡 Tip
Use mono output for speech and dialogue-it reduces file size and improves clarity. Use stereo for music vocals to preserve spatial information.
Isolate singing vocals from full music productions, removing instruments, drums, bass, synthesizers, and backing tracks. Perfect for creating karaoke tracks, acapellas, and vocal samples.
The "Vocals/Singing" mode is specifically optimized for music vocal extraction, understanding harmonic structures, vibrato, melodic patterns, and other characteristics of singing voice.
Preserve vocal expressiveness including dynamics, emotion, vibrato, and subtle performance nuances. The isolated vocal sounds natural and retains all the original performance qualities.
Use isolated vocals for remixing, mashups, music production, vocal analysis, singing practice, or creating karaoke versions of your favorite songs.
Best for:
Karaoke creation
Music production
Remixing
Vocal sampling
💡 Tip
For best music vocal extraction, use high isolation strength (85-95%), select "Vocals/Singing" mode, and output in stereo to preserve spatial qualities.
Isolated voice audio delivers dramatically better transcription accuracy from both AI and human transcription services. Background noise, music, and ambient sounds reduce transcription accuracy by 20-40%.
By removing background interference, transcription algorithms (or human transcribers) can focus entirely on speech, correctly identifying words, punctuation, speaker changes, and subtle details.
GoTranscript and other professional transcription services specifically recommend noise-free audio. Voice isolation ensures your audio meets professional transcription standards.
Enable both voice isolation and noise reduction, use "Spoken Word" mode for optimal speech processing, and output in mono format for the cleanest transcription-ready audio.
Best for:
Interview transcription
Meeting recordings
Lecture transcripts
Subtitle creation
💡 Tip
For transcription: use "Spoken Word" mode, 75-85% isolation strength, enable noise reduction and clarity preservation, output in mono.
Remove background music, ambient noise, room echo, HVAC sounds, traffic noise, keyboard clicks, mouse clicks, and other environmental sounds from podcast recordings.
Perfect for podcasts recorded in non-studio environments-home offices, cafes, outdoor locations, or anywhere background noise interferes with your voice content.
Isolate host and guest voices from intro/outro music, sound effects, or music breaks. Create clean voice tracks for precise editing, mixing, and post-production.
The isolated podcast voice sounds professional and studio-quality even if recorded in acoustically challenging environments. Transform home recordings into broadcast-ready content.
Best for:
Home podcasts
Remote interviews
On-location recording
Amateur studios
💡 Tip
For podcast isolation: use "Voice/Speech" mode, 65-75% strength, enable clarity preservation, and apply noise reduction if recording environment is noisy.
Voice isolation typically completes in 2-5 minutes for most audio files. Small files (under 50MB) process in 1-2 minutes. Large files (200-500MB) take 5-10 minutes.
AI processing requires more computation than simple noise reduction, but our optimized algorithms balance speed with quality for practical processing times.
Real-time progress tracking shows exactly what's happening: AI initialization, spectrum analysis, voice detection, isolation processing, noise reduction, and finalization.
Processing stages provide transparency and accurate time estimates so you know when your isolated audio will be ready for preview and download.
Best for:
Efficient workflow
Multiple files
Time-sensitive projects
Quick turnaround
💡 Tip
Processing time increases with file duration and isolation strength. For fastest results, trim audio to only the section you need isolated.
Frequently Asked Questions
Common questions about AI voice isolation and vocal extraction
AI voice isolation uses machine learning algorithms trained on millions of audio samples to distinguish between human voice frequencies and all other sounds. The AI analyzes the audio spectrum, identifies vocal patterns (fundamental frequencies typically 85-255 Hz plus harmonics), and separates voice from background music, noise, and ambient sounds. The process preserves natural voice tone and clarity while removing unwanted audio. You can control isolation strength from gentle (preserves some background) to aggressive (maximum separation).
Voice isolation has many applications: extract vocals from music for karaoke or remixing, clean podcast recordings by removing background music and noise, isolate dialogue from videos for transcription or subtitling, prepare audio for transcription services (dramatically improves accuracy), create acapella tracks from songs, remove background noise from interviews, separate speech from ambient sounds in lectures or presentations, and clean voice recordings made in noisy environments.
Upload your music file (MP3, WAV, M4A, etc.), select "Vocals/Singing" as the isolation mode, set isolation strength to 85-95%, and click "Isolate Voice". The AI will extract the singing vocals while removing instruments, drums, bass, and other backing tracks. Enable "Preserve Voice Clarity" to enhance vocal quality. Choose stereo output to maintain spatial qualities. The isolated vocal track can be used for karaoke, remixing, music production, or vocal analysis.
Upload your audio file, select "Voice/Speech" mode, set isolation strength to 70-85%, enable both noise reduction and clarity preservation, and process. The tool will isolate the spoken voice while removing background music. This is perfect for cleaning podcast recordings, removing intro/outro music from voice tracks, isolating dialogue from music-heavy videos, or preparing mixed audio for transcription. Higher strength removes more music but may affect voice naturalness.
Upload your video file (MP4, AVI, MOV, MKV, etc.), select "Voice/Speech" mode for dialogue or "Spoken Word" for interviews/lectures, set strength to 75-85%, and isolate. The tool extracts the audio track and isolates spoken dialogue while removing background music, ambient noise, sound effects, and environmental sounds. Perfect for transcription, subtitle creation, dubbing, or extracting clean dialogue for editing. Output in mono for smaller files focused on speech clarity.
Strength depends on your use case: 20-40% for gentle cleaning with natural ambience, 50-70% for balanced isolation (recommended for most podcasts and interviews), 80-95% for music vocal extraction or maximum isolation, and 60-75% for transcription preparation. Start with 70% and adjust up if background remains or down if voice sounds thin. Music vocal extraction needs higher strength (85-95%). Speech in moderate noise works well at 60-75%.
The AI is designed to preserve natural voice quality, tone, timbre, and dynamics while removing non-voice audio. At moderate isolation strengths (50-80%), voice quality is maintained excellently. At very high strengths (90-100%), some subtle voice characteristics may be reduced, but intelligibility remains high. The "Preserve Voice Clarity" option enhances isolated voice for better intelligibility. For music vocals, disable clarity enhancement to get the pure isolated vocal track without additional processing.
Yes, the AI can isolate voice even from extremely noisy environments. Use high isolation strength (85-95%), enable noise reduction for additional cleaning, and enable clarity preservation to enhance the isolated voice. Results depend on noise type and severity-the AI handles music, traffic, crowds, machinery, and ambient noise very well. If voice is completely drowned out or barely audible in the original, isolation may not recover clear audio. The original must contain detectable voice frequencies.
For optimal transcription: upload your audio/video, select "Spoken Word" mode, set isolation strength to 75-85%, enable both "Noise Reduction" and "Preserve Voice Clarity", choose mono output, and process. This creates crystal-clear voice-only audio that dramatically improves transcription accuracy from GoTranscript and other services. Isolated audio eliminates background music, noise, and ambient sounds that confuse transcription algorithms. Transcription accuracy can improve 20-40% with properly isolated audio.
Voice/Speech mode is optimized for spoken dialogue, conversations, and general speech-best for most applications. Vocals/Singing mode is specifically tuned for music vocal extraction, understanding melodic patterns, vibrato, and harmonic structures unique to singing. Spoken Word mode is optimized for podcasts, lectures, interviews, and presentations with focus on speech intelligibility and clarity. Choose Voice/Speech for general use, Vocals/Singing for music, and Spoken Word for podcasts and educational content.
Yes! Upload the song, select "Vocals/Singing" mode, set high isolation strength (85-95%), and isolate. This extracts the vocals. To create a karaoke track (instrumental only), you would need an instrumental extraction tool. Voice isolation gives you the isolated vocal track, which is perfect for acapella versions, vocal practice, remixing, or analyzing singing technique. For complete karaoke creation, you'd pair the original song with vocal removal (inverse of isolation) to get the instrumental.
Enable noise reduction if: your audio has background hiss, hum, or ambient noise, you're preparing audio for transcription, you want maximum cleanliness for podcasts, or residual noise remains after isolation. Disable noise reduction if: you're extracting music vocals and want the pure isolated vocal, you're concerned about over-processing, or the isolated voice already sounds clean. Noise reduction is a second cleaning stage after isolation-useful for speech but optional for music vocals.
Processing time depends on file size and duration: small files (under 50MB or 5 minutes) take 1-2 minutes, medium files (50-200MB or 5-20 minutes) take 3-5 minutes, and large files (200-500MB or 20-60 minutes) take 5-10 minutes. AI isolation requires more computation than simple noise reduction, but our optimized algorithms provide practical processing times. You'll see real-time progress with stages including AI initialization, spectrum analysis, voice detection, isolation, and finalization.
All major audio formats: MP3, WAV, M4A, AAC, FLAC, OGG, WMA, ALAC, AIFF, OPUS, and more. Video formats are also supported (audio is extracted then isolated): MP4, AVI, MOV, MKV, WMV, FLV, WEBM, MPEG, M4V, 3GP. Upload files up to 500MB. Output can be in original format, mono (smaller files, voice-focused), or stereo (for music vocals and spatial audio). The tool automatically handles any format containing voice frequencies.
Absolutely! Upload any video file (MP4, MOV, AVI, MKV, etc.), and the tool will automatically extract the audio track and isolate the voice. This is perfect for isolating dialogue from video interviews, vlogs, documentaries, educational videos, recorded meetings, or any video content. The isolated audio can be used for transcription, subtitling, dubbing, or creating audio-only versions. Choose mono output for speech or stereo if you want to preserve spatial audio characteristics.
Upload your podcast recording, select "Spoken Word" mode, set isolation strength to 65-75% (preserves natural voice while removing background), enable both noise reduction and clarity preservation, choose mono output, and process. This removes background music (intro/outro), ambient noise (HVAC, traffic), room echo, and environmental interference while preserving host and guest voices. Perfect for podcasts recorded in non-studio environments. The result sounds professional and studio-quality even from home recordings.
Clarity preservation is post-processing that enhances the intelligibility and clearness of the isolated voice. It optimizes frequency response for speech, enhances consonants for better word distinction, and improves overall clarity. Enable it for: spoken content (podcasts, interviews, lectures), transcription preparation, dialogue from videos, or anytime intelligibility is priority. Disable it for: music vocal extraction where you want the pure isolated vocal without additional processing, or if the isolated voice already sounds perfectly clear.
Voice isolation removes non-voice sounds (music, noise, ambient sounds) but does not separate different speakers from each other. If your audio has multiple people talking simultaneously or in sequence, all voices will be preserved in the isolated output (with background removed). To separate individual speakers, you would need speaker diarization or source separation tools. Voice isolation is perfect for cleaning multi-speaker audio by removing background, making transcription and speaker identification easier.
Upload the interview recording (audio or video), select "Voice/Speech" or "Spoken Word" mode, set isolation strength to 70-80%, enable noise reduction and clarity preservation, and process. This removes ambient noise, room echo, traffic sounds, HVAC noise, equipment hum, and other background interference while preserving interviewer and interviewee voices. Perfect for remote interviews, field recordings, or interviews in non-professional environments. The cleaned audio is ideal for transcription, publication, or professional presentation.
Use mono for: spoken content (podcasts, interviews, lectures), transcription preparation, most dialogue and speech applications, or when you want smaller file sizes. Use stereo for: music vocal extraction (preserves spatial qualities and stereo imaging), when the original is stereo and you want to maintain that, or for content where spatial positioning matters. Use original format when you want to keep whatever format the input was. For speech-focused work, mono is recommended-it reduces file size and focuses on clarity.
Currently, the tool processes one file at a time for quality and security. To isolate voice from multiple files, process them sequentially. Each isolation typically takes 2-5 minutes, so processing several files doesn't take long. The one-at-a-time approach ensures you can preview each result, adjust settings if needed, and maintain maximum quality. For different types of audio (music vs speech, different noise levels), you may want to adjust settings per file anyway.
Try these adjustments: 1) Increase isolation strength if background remains, 2) Decrease isolation strength if voice sounds thin or damaged, 3) Try a different isolation mode (Voice/Speech vs Vocals/Singing vs Spoken Word), 4) Enable noise reduction for additional cleaning, 5) Enable clarity preservation if voice is unclear. If results are still poor, the audio may have extremely low voice levels, very uncommon frequencies, or the voice may be completely masked by other sounds. The original must contain audible voice frequencies for isolation to work.
No, they're different but complementary. Noise reduction removes background noise (hiss, hum, rumble, ambient noise) while preserving both voice and other distinct sounds like music. Voice isolation separates voice from everything else-background noise, music, sound effects, ambient sounds, and all non-voice audio. Think of voice isolation as more aggressive and focused: it keeps only voice and removes everything else. Our tool offers both-isolation for separation, optional noise reduction for additional cleaning of the isolated voice.
Upload your song, select "Vocals/Singing" mode, set isolation strength to 85-95%, disable clarity preservation (you want the pure vocal), choose stereo output, and process. This extracts the vocal track while removing all instruments. The isolated vocal can be used for remixes, mashups, sampling, vocal analysis, or music production. For best results with music, use high-quality source files (WAV or high-bitrate MP3), and expect some minor artifacts-perfect isolation is extremely difficult, but results are usable for creative work.
The tool isolates audio-it doesn't change copyright or usage rights. You can use your own recordings however you wish. If you isolate voice or vocals from copyrighted music, videos, or content you don't own, the same copyright restrictions apply to the isolated output. Extracting vocals from copyrighted songs for personal study or practice is often acceptable. Commercial use, distribution, or publication requires permission from copyright holders. Always respect copyright laws regardless of technical capabilities.
Transcription
by a Professional Transcriber & Editor
Captions (FCC/SDH)
by a Professional Captioner
Transcript Editing & Proofreading
by a Professional Editor
Translation (text/audio/images)
by a Professional Translator
Subtitles
by a Professional Subtitler
Video Description (AD)
by a Professional Describer
AI-powered
Studio quality
Isolate voice
