免费在线AI工具

免费在线AI人声消除与伴奏提取(文件上传)

数秒内从上传的音视频中分离出纯净伴奏与人声。

Upload Audio or Video File to AI人声分离

Upload an audio or video file (MP3, WAV, M4A, MP4, WebM up to 25 MB) to remove vocal dialogue and isolate clean instrumental backing tracks.

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Supports Audio & Video Files up to 25 MB · 100% Free · In-Browser Stem Preview & Download

Overview & Neural Voice Separation

The AI Vocal Remover demixes recorded audio into isolated vocal and instrumental tracks using deep neural audio demixing models. Trained on thousands of multitrack studio recordings, the model separates singing vocals, voiceovers, and spoken words from drums, bass, synthesizers, and acoustic instruments. When processing your own uploaded media, you can preview the vocal-free accompaniment in your browser and download the clean stem. For pasted video links, separation runs internally solely for song identification.

When to Use This Tool

  • Karaoke Enthusiasts: Create high-clarity backing tracks with lead vocals removed for singing practice and performances.
  • Remixers & DJs: Extract clean acapellas or isolated instrumental loops for bootlegs, mashups, and electronic music production.
  • Podcasters & Editors: Remove bleed or background vocal leakage from voice recordings and field audio.
  • Language Learners & Transcribers: Isolate spoken speech from heavy background sound effects for clearer transcription and listening.

Technical Specifications & Limits

  • Maximum File Upload Size: Direct uploads accept files up to 25 MB across MP3, WAV, M4A, FLAC, MP4, and WebM.
  • Processing Turnaround: Neural stem separation typically completes within 15 to 30 seconds depending on server GPU queue.
  • Stem Download Policy: Downloading and previewing separated stems is enabled exclusively for user-uploaded audio; video links use internal separation for identification only.
  • Ephemeral Retention: All uploaded media and isolated stems are stored in temporary storage (in memory when available, otherwise on disk), deleted within 30 minutes.
  • Rate Limiting: Limited to 5 separation queries per hour per IP address under our automated fair-use policy.
Recommended Tutorial

How AI Vocal Demixing Solves Music Recognition

Discover the technical engineering behind separating speech from songs to achieve accurate audio fingerprint matching.

Read Complete Tutorial →

How It Works

1

Upload your song, voice memo, or video file (up to 25 MB).

2

Select the audio section you wish to isolate using the timeline segment picker.

3

The neural model analyzes spectrogram phase and frequency bins to suppress vocal formants.

4

Preview the isolated instrumental stem in your browser player and download your stem.

Key Features & Capabilities

Neural UVR5 MDX-Net Engine

Uses state-of-the-art deep learning models trained on isolated multitrack datasets for minimal acoustic bleeding.

Zero Installation or Plugin Needed

Runs entirely in your web browser with client-side accelerated audio slicing and GPU-accelerated demixing.

Fast Neural Stem Demixing

Uses GPU-accelerated UVR5 MDX-Net inference to demix vocal and instrumental stems in seconds.

Instant Song Identification

Optionally identify the extracted instrumental track against acoustic music fingerprints with one click.

Frequently Asked Questions

Does the vocal remover introduce audio artifacts or phasing?

Our UVR5 MDX-Net ONNX model utilizes phase-aware spectral masking, minimizing the watery or metallic phase artifacts common in legacy frequency-filtering tools. Backing vocals with heavy reverb may leave faint residual traces, but lead vocals are cleanly removed.

Can I use the isolated audio for commercial releases?

You are responsible for ensuring you possess the necessary rights or licenses for any audio content you process and use. BGM Finder provides audio processing technology solely for personal, research, and non-infringing identification purposes.

Is an account or credit card required to remove vocals?

No. BGM Finder is completely free and accountless. No sign-ups, subscriptions, or credit card details are ever requested.

Ready to Find That Background Song?

Paste any YouTube, TikTok, or Instagram link into BGM Finder. Neural AI separates voiceover dialogue and identifies the background track in seconds.

Try BGM Finder Free