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layout: documentation
title: Fisher / CALLHOME Parallel Corpus

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<h2>Fisher / CALLHOME Spanish&ndash;English Parallel Corpus</h2>
<span id="download">
<a href="">Download</a>

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This paper describes the release of a set of English translations (obtained
on <a href="">Amazon's Mechcanical Turk</a>) and ASR lattice output
(produced with <a href="">Kaldi</a>). Together, this data supplements
existing LDC datasets (in the form of audio and Spanish transcriptions), yielding a
four-way parallel corpus for research in Spanish&ndash;English spoken language

The LDC datasets that this dataset extends are as follows:

<p style="text-align: center"><center>
<table style="border: 1px solid lightgray">
<td>Fisher Spanish</td>
<td><a href="">LDC2010S01</a></td>
<td><a href="">LDC2010T04</a></td>
<td>CALLHOME Spanish</td>
<td><a href="">LDC96S35</a></td>
<td><a href="">LDC96T17</a></td>

If you use this dataset, please cite the following paper, which also contains a number
of experiments to compare against:

<i>Improved Speech-to-Text Translation with the Fisher and Callhome Spanish&ndash;English
Speech Translation Corpus</i> <br/>
Matt Post, Gaurav Kumar, Adam Lopez, Damianos Karakos, Chris Callison-Burch and Sanjeev
Khudanpur <br/>
<a href="">IWSLT 2013</a> <br/>
<a class="pdf" href="">PDF</a>
<a class="bibtex" href="">BIB</a>

<h2>Download & License</h2>

The Fisher / CALLHOME corpus
is <a href="">hosted on
Github</a>. You can clone that, or download a release tarball by clicking the big green
button above. The corpus is licensed under
the <a href="">Creative
Commons</a> <a href="">Attribution-Sharealike
3.0 Unported License</a> (CC BY-SA 3.0).


Below are the best translation scores (case-insensitive BLEU-4) that have been reported
on the provided test sets. The Google results were recorded in the fall of 2011 (and
are described in Post et al. (2012)). Google does not have a Malayalam system.


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<img width="250px" src="images/lattice.png"/><br/>
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An example lattice from the dataset

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