在线 BPM 检测器
免费音频节奏分析器
即时检测音频文件的节奏（BPM）。完美适用于 DJ、音乐制作人、健身教练和跑步者。所有处理都在您的浏览器中进行，确保完全隐私。
Upload Audio Files
Drag and drop your audio files here to detect BPM
Supports: Supports MP3, WAV, FLAC, AAC, M4A, OGG, and more
How to Detect BPM
Simple steps to analyze audio tempo and beats per minute
Upload Your Audio
Drag and drop or select your audio files. Supports MP3, WAV, FLAC, AAC, M4A, OGG, and more. Upload multiple files for batch processing.
Choose Detection Settings
Select a BPM range preset (Hip-Hop, House, Techno, etc.) or set a custom range for more accurate detection.
Analyze Audio
Our advanced algorithms analyze your audio to detect the tempo with high accuracy. View confidence scores for each result.
Export Results
Export your BPM detection results to CSV or JSON format for use in other applications.
Key Features
Everything you need to detect audio tempo with professional accuracy
Privacy First
All BPM detection happens locally in your browser. Your audio files are never uploaded to any server. Complete privacy and security guaranteed.
Batch Processing
Analyze multiple audio files at once. Perfect for organizing your music library, preparing DJ sets, or creating workout playlists by tempo.
Smart Detection
Advanced algorithms automatically detect and correct BPM multiples. Preset ranges for different genres and activities improve accuracy.
Export Results
Export BPM detection results to CSV or JSON format. Easily integrate with DJ software, music libraries, and playlist applications.
High Accuracy
Uses advanced Web Audio API for precise tempo detection. Confidence scores help you verify detection quality for each file.
Genre Presets
Built-in BPM range presets for Hip-Hop, House, Techno, Drum & Bass, and Fitness activities. Improves detection accuracy for specific genres.
Who Uses BPM Detection?
DJs & Music Producers
Quickly analyze your music library to find tracks with matching tempos for seamless mixing. Organize samples and loops by BPM for faster production workflow.
Fitness Instructors
Create perfectly timed workout playlists by analyzing songs and grouping them by tempo. Match music BPM to exercise intensity for optimal training sessions.
Runners & Athletes
Find songs that match your target running cadence (steps per minute). Build playlists that maintain your ideal pace for training and races.
Music Enthusiasts
Organize your music collection by tempo. Discover patterns in your favorite genres and create mood-based playlists sorted by energy level.
BPM Reference Guide
Music Genres
Workout Activities
Related Audio Tools
More tools to help you work with audio files
常见问题
什么是 BPM，为什么它很重要？
BPM（每分钟节拍数）测量音乐的节奏或速度。对于 DJ 在混音时匹配节奏、健身教练创建健身播放列表以及跑步者将步频与音乐匹配至关重要。
BPM 检测有多准确？
我们的检测器使用先进的 Web Audio API 算法，并为每次检测提供置信度分数。对于制作良好的音乐，准确率通常为 95%+。选择适当的流派预设可提高准确性。
什么是 BPM 自动纠正？
某些曲目可能被检测为其实际 BPM 的一半或两倍。自动纠正使用您选择的 BPM 范围预设将检测值调整到预期范围。例如，如果 House 曲目被检测为 64 BPM，它将被纠正为 128 BPM。
支持哪些音频格式？
我们支持所有常见的音频格式，包括 MP3、WAV、FLAC、AAC、M4A、OGG、WMA、AIFF 等。您还可以分析视频文件（MP4、AVI、MOV）中的音频。
我可以一次分析多个文件吗？
可以！上传多个文件进行批量处理。您可以分析整个音乐库并将所有结果导出为 CSV 或 JSON 格式。
我的音频数据安全私密吗？
绝对安全！所有 BPM 检测都使用 Web Audio API 在您的浏览器中本地进行。您的音频文件永远不会上传到任何服务器。这确保了完全的隐私和安全。