Audio & Speech Annotation
Professional audio annotation tools with AI-powered transcription. Create high-quality training data for speech recognition, voice AI, and audio understanding models.
Comprehensive Audio Annotation Tools
Everything you need for professional audio annotation
Audio Transcription
Accurate speech-to-text annotation with timestamps, speaker labels, and formatting support.
Speaker Diarization
Identify and segment different speakers with overlap detection and speaker profiles.
Sound Event Detection
Annotate environmental sounds, acoustic events, and non-speech audio with temporal boundaries.
Emotion Detection
Label emotional states, tone, and sentiment from speech with multi-dimensional scoring.
Audio Classification
Multi-label classification for audio scenes, genres, and acoustic environments.
Music Annotation
Tag instruments, tempo, key, genre, and structure for music information retrieval.
AI-Assisted Audio Annotation
Accelerate your audio workflow with state-of-the-art models
Whisper Transcription
Leverage OpenAI's Whisper for automatic speech recognition in 100+ languages with high accuracy.
Auto-Segmentation
Intelligent audio segmentation for voice activity detection, speaker changes, and scene boundaries.
Acoustic Pre-labeling
ML-powered sound event detection and classification for rapid annotation workflows.
Powering Audio AI Applications
Trusted across industries for speech and audio AI
Voice Assistants
Train wake word detection, intent recognition, and natural language understanding for voice AI.
50+ languagesCall Centers
Analyze customer calls for sentiment, compliance, quality assurance, and agent training.
1M+ calls analyzedPodcast Indexing
Transcribe, tag, and index podcast content for searchability and content discovery.
99% accuracyMusic Analysis
Label music tracks for recommendation systems, copyright detection, and music generation.
10M+ tracks labeledEnterprise-Grade Audio Annotation
Built for scale and accuracy. Handle everything from short voice clips to hours of multi-speaker recordings with precision tools.
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