AMI beamformed mic option #1048
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pzelasko
approved these changes
May 1, 2023
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I think these were created using BeamformIt (most likely using the Kaldi AMI recipe), so the same results from that recipe should hold. On the dev set, SDM gets 33.3% and MDM gets 31.8% with the latest chain TDNN model. In general, users can simply download the MDM recordings and run beamforming, but I thought it would save storage and effort to provide an option for already beamformed mics. |
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AMI comes with official beamformed recordings, so we also add this option.
Usage:
lhotse prepare ami --mic mdm8-bf /path/to/amicorpus data/