Speech Annotation & Transcription Services
High-accuracy speech transcription and annotation services for ASR, TTS, speaker recognition, and voice AI systems.
Our Services
Speech Transcription
Orthographic and time-aligned transcription for scripted, spontaneous, and conversational speech datasets.
Speaker Diarization
Speaker labeling and segmentation for meetings, call-center audio, and multi-speaker recordings.
Advanced Speech Annotation
Phoneme labeling, intent tagging, noise markers, and task-specific speech annotations.
Quality Assurance
Multi-pass review workflows with trained annotators, spot checks, and validation sampling.
Speech Annotation Capabilities
• Scripted and spontaneous speech
• Clean and noisy audio environments
• Call-center and conversational speech
• Multilingual and multi-accent datasets
• Time-aligned and segment-level annotations
• Custom annotation schemas and guidelines
How Speech Annotation Works
Define Guidelines
Annotation formats, edge cases, and acceptance criteriaAnnotate & Review
Trained annotators with multi-layer QAValidate Quality
Sampling, audits, and consistency checksDeliver & Iterate
Secure delivery with revision cycles as needed
Build High-Quality Speech Training Data
Tell us about your speech data and annotation requirements.
Our team will help design a workflow that fits your model and timeline.