• (11/26/02) Switchboard Transcriptions: This release contains some bug fixes based on information provided by Patrick Nguyen of Panasonic. About 45 segemtations were fixed, and several corrections to the lexicon were made.
  
  
• (09/02/02) Penn Treebank Alignments: This release contains an alignment of the ISIP hand-aligned word transcriptions to the Penn Treebank word transcriptions for all 1126 SWB conversations that are included in the Treebank. For the words which are in agreement between the two transcriptions, time marks are given. For words that do not agree, we estimate the times for the Treebank transcriptions using the ISIP transcriptions. The transcriptions also include all instances of silence, laughter and noise.
  
  
• (09/01/02) Prototype System v5.13: This release contains two small changes: (1) the code builds properly under gcc 3.1, and (2) we changed storage of intermediate information during training from single precision to double precision.
  
  
• (08/09/02) SWB Word Alignments: A picture of some ex-validators enjoying our "Thank God Switchboard is over!" party. This is the final release for the manually corrected word alignments for the 2438 Switchboard conversations. Included in this release are the final transcriptions for the entire database, the complete lexicon, and the automatic word alignments. Rumor has it that because of the Switchboard project, Dan Harkins, our last project manager, has decided to pursue a Master's degree in business.
  
  
• (08/01/02) Endpoint detection: Added improved error handling to deal with the case in which the buffer overflows because the system cannot find a valid end of utterance.
  
  
• (07/30/02) SWB Word Alignments: This release contains a total of 2252 manually corrected word alignments for Switchboard conversations. Included in this release are transcriptions for the entire database, an updated lexicon, and automatic word alignments for the remaining conversations.
  
  
• (07/17/02) SWB Word Alignments: This release contains a total of 2047 manually corrected word alignments for Switchboard conversations. Included in this release are transcriptions for the entire database, an updated lexicon, and automatic word alignments for the remaining conversations.
  
  
• (07/09/02) SWB Word Alignments: This release contains a total of 1944 manually corrected word alignments for Switchboard conversations. Included in this release are transcriptions for the entire database, an updated lexicon, and automatic word alignments for the remaining conversations.
  
  
• (07/01/02) SWB Word Alignments: This release contains a total of 1790 manually corrected word alignments for Switchboard conversations. Included in this release are transcriptions for the entire database, an updated lexicon, and automatic word alignments for the remaining conversations.
  
  
• (06/25/02) SWB Word Alignments: This release contains a total of 1670 manually corrected word alignments for Switchboard conversations. Included in this release are transcriptions for the entire database, an updated lexicon, and automatic word alignments for the remaining conversations.
  
  
• (06/10/02) SWB Word Alignments: This release contains a total of 1570 manually corrected word alignments for Switchboard conversations. Included in this release are transcriptions for the entire database, an updated lexicon, and automatic word alignments for the remaining conversations.
  
  
• (05/26/02) SWB Word Alignments: This release contains a total of 1370 manually corrected word alignments for Switchboard conversations. Included in this release are transcriptions for the entire database, an updated lexicon, and automatic word alignments for the remaining conversations.
  
  
• (05/12/02) SRSTW'02: The conference has begun. Click here for live images from the conference. This year our lab sessions feature introductions to our front end configuration GUI tool, a GUI tool to create language models, and actual use of the production system.
  
  
• (04/27/02) Production System: This is the first release (r00_n09) of the production system that includes training and decoding. This release includes an enhanced GUI tool for rapid development of signal processing, a network training module that makes pronunciation modeling very easy, and support for JSGF formatted grammars. Two tutorials are available to help you get started, and an off-line version of the documentation can be downloaded as well.
  
  
• (04/02/02) SWB Word Alignments: This release contains a total of 1220 manually corrected word alignments for Switchboard conversations. Included in this release are transcriptions for the entire database, an updated lexicon, and automatic word alignments for the remaining conversations.
  
  
• (03/12/02) Prototype System v5.12: In this release, we have added the capability to generate N-best hypotheses. Also, a new utility, lat_to_nbest, has been added that generates N-best hypotheses from a lattice.
  
  
• (02/26/02) SWB Word Alignments: This release contains a total of 1109 manually corrected word alignments for Switchboard conversations. Included in this release are transcriptions for the entire database, an updated lexicon, and automatic word alignments for the remaining conversations.
  
  
• (02/17/02) SWB Word Alignments: This release contains a total of 1009 manually corrected word alignments for Switchboard conversations. Included in this release are transcriptions for the entire database, an updated lexicon, and automatic word alignments for the remaining conversations.
  
  
• (02/17/02) SRSTW'02: Registration is now open for SRSTW'02. Please see the conference web site for more details.
  
  
• (01/18/02) Ph.D. Disseration: Aravind Ganapathiraju successfully defended his thesis titled "Support Vector Machines For Speech Recognition" and became ISIP's first Ph.D. graduate. Both his dissertation and defense are available on-line.
  
  
• (01/04/02) SRSDR'02: This year we had a live video feed while the workshop was in session. The workshop program is available on-line.
  
  
• (12/31/01) Previous announcements: What was new in 2001.
  
  
• (12/31/00) Previous announcements: What was new in 2000.
  
  
• (12/31/99) Previous announcements: What was new in 1999.
  
  
• (12/31/98) Previous announcements: What was new in 1998.

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