💻 programming

BetterWhisperX

Automatic speech recognition tool providing word-level timestamps and speaker identification

#Open source
#Multi-language support
#Automatic speech recognition
#speaker identification
#word level timestamp
BetterWhisperX

Product Details

BetterWhisperX is an improved automatic speech recognition model based on WhisperX. It can provide fast speech-to-text services, and has word-level timestamps and speaker recognition functions. This tool is very important for researchers and developers who need to process large amounts of audio data, because it can greatly improve the efficiency and accuracy of speech data processing. The product background is based on OpenAI's Whisper model, but has been further optimized and improved. Currently, the project is free and open source, and is positioned to provide the developer community with more efficient and accurate speech recognition tools.

Main Features

1
- Batch inference support, achieving 70 times real-time transcription speed
2
- Use wav2vec2 alignment for precise word-level timestamps
3
- Supports multi-speaker recognition and audio stream segmentation through speaker binarization technology
4
- Voice Activity Detection (VAD) preprocessing to reduce hallucinations and support batch processing without error rate degradation
5
- Supports ASR models in multiple languages ​​and automatically selects suitable phoneme models for alignment
6
- Supports running on CPU, suitable for Mac OS X system
7
- Provides Python interface to facilitate integration into other projects

How to Use

1
1. Create a Python3.10 environment: Use mamba to create and activate a new virtual environment.
2
2. Install CUDA and cuDNN: Install the corresponding CUDA and cuDNN versions according to system requirements.
3
3. Install BetterWhisperX: Install the BetterWhisperX model through pip.
4
4. Run the sample audio: Use the whisperx command line tool to transcribe the sample audio file.
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5. Adjust model parameters: Adjust parameters such as ASR model, alignment model, and batch size as needed.
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6. Multi-language support: Specify language codes and select the appropriate model for transcription.
7
7. Integrate into projects: Integrate BetterWhisperX into other projects through the Python interface.

Target Users

The target audience is developers, researchers, and enterprise users who need to perform speech recognition and audio analysis. Since BetterWhisperX provides word-level timestamps and speaker identification functions, it is particularly suitable for scenarios that require detailed analysis of audio content, such as meeting records, lecture content transcription, multi-language audio content analysis, etc.

Examples

Case 1: Researchers use BetterWhisperX to transcribe audio of scientific lectures and generate subtitle files with timestamps.

Case 2: Enterprise users use BetterWhisperX to transcribe meeting recordings in real time, and quickly locate key discussion points in the meeting through word-level timestamps.

Case 3: Multilingual content creators use BetterWhisperX to transcribe and analyze audio content in different languages ​​to improve the efficiency of content production.

Quick Access

Visit Website →

Categories

💻 programming
› Development and Tools
› speech recognition

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