The 1997 HUB5 German Evaluation was produced by Linguistic Data Consortium (LDC)
catalog number LDC2002S24 and ISBN 1-58563-234-1.
The 1997 HUB5 Non-English Evaluation is part of an ongoing series of
periodic evaluations conducted by NIST. These evaluations provide an
important contribution to the direction of research efforts and the
calibration of technical capabilities. They are intended to be of
interest to all researchers working on the general problem of
conversational speech recognition. To this end the evaluation was
designed to be simple, to focus on core speech technology issues, to
be fully supported, and to be accessible.
The HUB5 Non-English Evaluation, conducted in the fall of 1997,
complemented another related evaluation which was conducted in the spring
of that year. The spring evaluation focuses on the recognition of
conversational speech in English. This evaluation is dedicated to the
advancement of speech recognition technology for languages other than
English, and specifically this year for Arabic, German, Mandarin, and
Spanish. It focuses also on issues related to porting recognition
technology to new languages, to system generality, and to language
commonalties and universals.
The HUB5 Non-English Evaluation focuses on the task of transcribing
conversational speech into text. This task is posed in the context of
conversational telephone speech in Arabic, German, Mandarin, and
Spanish. The evaluation is designed to foster research progress, with
the goals of:
- exploring promising new ideas in the recognition of
- developing advanced technology incorporating these ideas
- measuring the performance of this technology
The task is to transcribe conversational speech. The speech to be
transcribed is presented as a set of conversations collected over the
telephone. Each conversation is represented as a "4-wire" recording,
that is with two distinct sides, one from each end of the telephone
circuit. Each side is recorded and stored as a standard telephone
codec signal (8 kHz sampling, 8-bit u-law encoding).
Additional documentation is available at the NIST website.
This publication contains 20 sphere files encoded in two channel
interleaved mulaw with a sampling rate of 8 KHz, for a total of 561,150,160
bytes (535 Mbytes) or nine hours of sphere data.
An included documentation table contains information on the speech
segments to be processed as follows:
There are no updates at this time.
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