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Speaker verification protocol on the NIST SRE 2012

Project Description

Speaker Recognition Protocol on the NIST SRE 2012 Database Interface for Bob

This package is part of the signal-processing and machine learning toolbox Bob. This package contains an interface for the evaluation protocol of the 2012 NIST Speaker Recognition Evaluation. This package does not contain the original NIST SRE databases, which need to be obtained through the link above.


Follow our installation instructions. Then, using the Python interpreter provided by the distribution, bootstrap and buildout this package:

$ python
$ ./bin/buildout

You can either download the SQLite DB file

  1. To download a copy of an already populated SQLite DB
./bin/ nist_sre12 download
  1. To generate and populate the NIST SRE 2012 database do the following:
  • Change to sre12 file list directory:

    cd bob/db/nist_sre12/sre12

  • Create file lists and key files for NIST SRE 2012 protocols and conditions


  • You can check that file lists point to actual files by running


    after assigning variable ‘prefix’ your SRE12 base path


  • Populate SQL database

    ./bin/ nist_sre12 create -vv -R

  1. To double check the files in the SQLite database point to actual files
./bin/ nist_sre12 checkfiles -e .sph -d DATABASE_DIRECTORY_PREFIX


For questions or reporting issues to this software package, contact our development mailing list.

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Release History

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