What is Speaker Diarization?
2 min read · Bolcho
Figuring out 'who spoke when' in an audio recording — separating the agent, the caller, and any third parties.
Speaker Diarization explained
Diarization labels segments of audio by speaker. It matters for call analytics and transcripts, and for handling calls where more than one person is on the line.
Why it matters for voice AI in India
Understanding speaker diarization helps you build voice agents that actually work for Indian callers, genuine languages, low latency, and near-cost pricing. Bolcho is built around exactly these fundamentals.
See it in a real agent
Bolcho handles this for you end-to-end. Start a voice or chat agent free.
Frequently asked questions
What does Speaker Diarization mean?
Figuring out 'who spoke when' in an audio recording — separating the agent, the caller, and any third parties.
Why does speaker diarization matter in voice AI?
Diarization labels segments of audio by speaker. It matters for call analytics and transcripts, and for handling calls where more than one person is on the line.

