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Audio · Speaker diarization

Speaker diarization

Core model parameters ~8.1M

Model files 30.95 MB

Transcribe a meeting, then analyze its speakers offline and replay each turn with linked text and a timeline

  • Speaker labels
  • Speaker timeline
  • Linked replay
Get the demo on GitHubComing soon Get the models on Hugging FaceComing soon

Recorded on the board

Screen recording of the board web demo, recorded on Qualcomm QCS8550. (Transcription and analysis waits are visibly sped up; replay is at normal speed. This is not an inference benchmark. Media: AMI Consortium, CC BY 4.0, credited in the video.)

Highlights

Transcribe, then analyze

Transcribe while the meeting video plays. After pausing or finishing the recording, start speaker analysis to finalize labels for that recording.

Explore by speaker

Colors and local speaker IDs distinguish turns. Filter by speaker; IDs apply only to the current recording and do not identify real people.

Linked text and timeline

Click transcript text or a timeline segment to locate and replay the corresponding turn.

Export the results

Export results as JSON, or analyze complete audio recordings through the C API and Python SDK.

Runs on Qualcomm chips

The board SDK handles transcription and speaker analysis without uploading meeting audio to a cloud service.

Review uncertain assignments

Unresolved and context-estimated assignments remain marked. Short recordings and weak word boundaries may require review. Speaker analysis is offline.

Pipeline

From input to output: where every step runs.

  1. 01Browser

    Meeting input

    Play a meeting video and capture audio for live transcription

  2. 02NPU

    Live transcription

    On-device ASR produces text; pause or finish before analyzing the captured recording

  3. 03NPU / CPU

    Speaker analysis

    Unload ASR and analyze speakers offline to finalize recording-local IDs and intervals

  4. 04CPU

    Text alignment

    Associate text with speaker intervals and retain uncertainty markers

  5. 05Browser

    Replay and export

    Filter speakers, replay from text or timeline segments, and export JSON

Supported hardware

Qualcomm QCS8550Available
Qualcomm QCS8625Available
Qualcomm Dragonwing IQ8Available
Qualcomm Dragonwing IQ9Available
Core model parameters
~8.1M
Model files
30.95 MB