Video Audio Extractor & Speech Recognition

Extract audio from video and convert to text

Powerful video audio extraction and speech recognition tool supporting audio extraction from video files and audio-to-text conversion. Supports multiple video and audio formats, uses advanced AI speech recognition technology, supports Chinese, English, Japanese, Korean and other language recognition. Whether extracting background music from videos, creating audio files, or generating video subtitles, this tool can help you complete it easily.

Key Features

  • Audio extraction: Extract audio from videos, supports multiple audio format output (MP3, WAV, AAC, M4A, OGG, FLAC, OPUS)
  • Speech recognition: AI-driven speech-to-text function supporting Chinese, English, Japanese, Korean and other languages
  • Multiple format support: Supports MP4, AVI, MOV, MKV, WEBM, FLV and other mainstream video formats
  • High-quality output: Maintains original audio quality, supports multiple audio formats and parameter settings
  • Automatic processing: Automatically extracts audio from detected video files before recognition, automated workflow
  • Text export: Recognition results can be directly downloaded as text files for easy subsequent editing and use

Use Cases

Background music extraction: Extract background music from videos for use in other video or audio projects
Video subtitle generation: Convert dialogue in videos to text, automatically generate subtitle files
Meeting recording: Convert speech content in meeting videos to text for easy organization and archiving
Audio file creation: Extract audio from videos to create independent audio files
Content transcription: Transcribe video content to text for documents, notes or content analysis
Multi-language recognition: Supports speech recognition in multiple languages, suitable for international content processing

Frequently Asked Questions

What video and audio formats are supported?

Video format support: MP4, AVI, MOV, MKV, WEBM, FLV, etc. Audio output format support: MP3, WAV, AAC, M4A, OGG, FLAC, OPUS. You can choose the appropriate format according to your needs.

What languages does speech recognition support?

Currently supports Chinese, English, Japanese, Korean and other languages. Recognition accuracy depends on audio quality and language clarity. It is recommended to use clear audio for best recognition results.

What is the recognition accuracy?

Recognition accuracy depends on multiple factors: audio quality, language clarity, background noise, etc. Under good audio conditions, recognition accuracy can usually reach over 90%. It is recommended to use clear audio without background noise.

Will extracting audio reduce quality?

We use high-quality audio extraction technology to maintain original audio quality as much as possible. You can choose different audio formats and parameters to balance file size and quality.

How long does processing take?

Processing time depends on file size and length. Audio extraction is usually faster, a 1-minute video takes about 5-15 seconds. Speech recognition takes slightly longer, 1 minute of audio takes about 30-60 seconds.

1. Select File

2. Extract Audio

3. Audio to Text

Tips

  • Supports most video formats (MP4, AVI, MOV, MKV, WEBM, FLV, etc.)
  • Audio formats: MP3, WAV, AAC, M4A, OGG, FLAC, OPUS
  • Speech recognition supports multiple languages: Chinese, English, Japanese, Korean
  • Recognition results can be downloaded as text files