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               Announcing a NEW RELEASE from the
                   LINGUISTIC DATA CONSORTIUM
 
         Continuous Speech Recognition Corpus-IV (Hub-3)
 
This set of CD-ROMs contains all of the speech data provided to sites
participating in the DARPA CSR November 1995 Hub-3 Mulit-Microphone
tests.  The data consists of digitized waveforms collected with eight
different microphones simultaneously from 40 subjects reading 15
sentence articles drawn from various North American business news
publications.  The data is partitioned into development-test and
evaluation-test sets.  The test sets were collected with different
subjects, prompts, and microphones.  No training data was collected for
this corpus since a substantial amount of NAB acoustic training data was
already available.  Index files have been included that specify the
exact subset of the evaluation test recordings which were used in the
November 1995 tests.  The software NIST used to process and score the
outputof the tests systems is also included.
 
The data is organized as follows:
 
CD26-3 Development-Test Data-Location 1, Adaptation and NAB recordings,
        Subjects:703-705, 707-70a, 70c, 70f, 70g
 
CD26-4 Development-Test Data-Location 2, NAB recordings,
        Subjects:70k, 70m, 70o, 70q-70s, 70u-70w
 
CD26-5 Development-Test Data-Location 2, Adaptation recordings,
        Subjects:70k 70m-70o, 70q-70s, 70u-70w
 
CD26-3 Development-Test Data-NAB recordings,
        Subjects:710-71j
 
Because of restrictions imposed by the copyright holders of much of the
NAB text, this corpus is available to 1996 LDC members only.  Members
who wish to receive this corpus must sign the CSR-IV agreement.  This
agreement is available on the Linguistic Data Consortium WWW Home Page
at URL http://www.cis.upenn.edu/~ldc.
 
If you would like to order a copy of this corpus, please email your
request to [log in to unmask] If you need additional information
before placing your order, or would like to inquire about membership in
the LDC, please send email or call (215) 898-0464.