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1. Commits on Sep 21, 2015

   • Merge pull request #166 from david-ryan-snyder/ivector-debugging

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   • Adding IvectorExtractorStats::IvectorVarianceDiagnostic, which prints the proportion of feature variance captured by the iVectors versus the Gaussians. Also removing trailing whitespace from the af…

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2. Commits on Sep 18, 2015

   • Fixing bug in ivector/logistic-regression-test.cc and removing trailing whitespace from other logistic regression files

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3. Commits on Feb 28, 2015

   • trunk: In speaker ID system replaced PLDA length-normalization with the simpler form of length-normalization as performed in the binary ivector-normalize-length. This results in a 1% improvement fo…

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4. Commits on Feb 8, 2015

   • trunk: online-nnet2 decoding setup: adding scripts which make it possible to estimate the iVectors per speaker, excluding silence (so not-truly-online decoding). Some code changes for iVector whic…

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5. Commits on Dec 12, 2014

   • trunk: Small fix to logistic-regression-eval binary.

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   • trunk: Merging in i-Vector language identification updates from sandbox/language_id.

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6. Commits on Aug 31, 2014

   • trunk: BIG UPDATE: merging sandbox/online back to trunk.

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7. Commits on Aug 16, 2014

   • sandbox/online: merging changes from trunk.

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   • trunk: cosmetic fixes; and extend capabilities of a couple of iVector-related command-line programs

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8. Commits on Aug 13, 2014

   • sandbox/online: merging changes from trunk.

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9. Commits on Aug 10, 2014

   • trunk: fixes to sre08 recipe because NIST website became unavailable; adding domain-adaptation method for PLDA, to iVector setup.

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10. Commits on Jul 27, 2014

    • sandbox/online: code changes and new binaries relating to online iVector extraction (not yet in scripts)

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    • trunk: improvements to diagnostics, and updates to results, in online nnet2-decoding setup.

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11. Commits on Jul 13, 2014

    • sandbox/online: committing various changes in src/, mostly relating to online estimation of iVectors which I intend to use for online neural net decoding.

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12. Commits on Jul 7, 2014

    • trunk: slight refactoring of iVector extraction code for clarity, and add some code which will be needed for online neural net decoding with ivectors (I'll merge it to online/).

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13. Commits on Jul 2, 2014

    • trunk: cosmetic changes

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14. Commits on Apr 21, 2014

    • trunk: adding some programs that were accidentally skipped in the merge from sandbox/language_id.

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    • trunk: merging ^/sandbox/language_id to trunk. Mostly script changes, and some minor code additions (e.g. logistic regression)

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15. Commits on Apr 1, 2014

    • sandbox/lid: efficiency improvements for iVector extractor update; adding new binaries for fMLLR estimation using global GMM.

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16. Commits on Mar 22, 2014

    • sandbox/language-id: Fixes to binaries supporting VAD-based utt splitting: Corrected usage message in bin/copy-vector-segments and changed the procedure in ivectorbin/create-split-from-vad

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17. Commits on Mar 20, 2014

    • sandbox/language-id: Minor bug fix in create-split-from-vad binary.

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18. Commits on Mar 19, 2014

    • sandbox/language_id: Adding binary create-split-from-vad for splitting features based on the number of voiced frames rather than simply the number of frames. Also adding binary copy-vector-segments…

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19. Commits on Mar 12, 2014

    • sandbox/lid: various script fixes and updates; improving speed of iVector-extractor model loading by parallelizing derived-variables computation.

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20. Commits on Mar 5, 2014

    • sandbox/language_id: Replaced language refering to 'posteriors' with 'log posteriors,' to match the reality of what is computed. For instance, GetPosteriors() was replaced with GetLogPosteriors(). …

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    • Various updates to iVector setup; added possibility to modify priors.

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21. Commits on Mar 3, 2014

    • sandbox:language_id: In LogisticRegression: Adding L2 regularization, refactoring code, and adding unit tests.

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22. Commits on Feb 28, 2014

    • sandbox/language_id: code and script updates for evaluating the model.

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    • sandbox/language_id: Fixing previous commit: Adding logistic-regression-eval.cc and removing the corresponding binary

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    • sandbox/language_id: Adding logistic-regression-eval for reading in a model trained by LogisticRegression and writing posteriors and scores.

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    • sandbox/language_id: Adding binary logistic-regression-train for training a model on generic training data. However, at the moment this will be primarily used for language-id. Also adding a Logisti…

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23. Commits on Jan 20, 2014

    • a small bug-fix of "reference to ‘int64’ is ambiguous"

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24. Commits on Jan 17, 2014

    • trunk: small change to ivector-extractor-acc-stats.cc (make it less memory-hungry when forking to open tables)

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25. Commits on Dec 30, 2013

    • trunk [minor]: Replacing assert with KALDI_ASSERT by script; minor, essentially cosmetic bug fixes.

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26. Commits on Dec 18, 2013

    • trunk:{src/ivectorbin,egs/hkust} minor compilation issue on ambiguous int64; and cosmetic fix of former script

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