CALLFRIEND Russian Speech

<h3>Introduction</h3>
<p>CALLFRIEND Russian Speech (LDC2023S08) was developed by the Linguistic Data Consortium (LDC) and consists of approximately 48 hours of telephone conversations (100 recordings) between native speakers of Russian. The calls were recorded in 1999 as part of the CALLFRIEND collection. One hundred native Russian speakers living in the continental United States each made a single phone call, lasting up to 30 minutes, to a family member or friend living in the United States.</p>
<p>Corresponding transcripts and a lexicon are available in&nbsp;<a href="http://catalog.ldc.upenn.edu/LDC2023T09">CALLFRIEND Russian Text (LDC2023T09)</a>.</p>
<p>The CALLFRIEND series is a collection of telephone conversations in several languages conducted by LDC in support of language identification technology development. Languages covered in the collection include American English, Canadian French, Egyptian Arabic, Farsi, German, Hindi, Japanese, Korean, Mandarin Chinese, Russian, Spanish, Tamil and Vietnamese.</p>
<h3>Data</h3>
<p>All recordings involved domestic calls routed through the automated telephone collection platform at LDC and were stored as 2-channel (4-wire) 8-KHz mu-law samples taken directly from a public telephone network via a T-1 circuit. Each audio file is a FLAC-compressed MS-WAV (RIFF) format audio file containing 2-channel, 8-KHz, 16-bit PCM sample data.</p>
<p>This release includes call metadata, including speaker gender, the number of speakers on each channel and call duration.</p>
<h3>Samples</h3>
<p>Please listen to this <a href="desc/addenda/LDC2023S08.flac">audio sample</a>.</p>
<h3>Updates</h3>
<p>None at this time.</p>

<h3>简介</h3>
<p>CALLFRIEND俄语语音数据集（LDC2023S08）由语言数据联盟（Linguistic Data Consortium，LDC）开发，包含约48小时的俄语母语者之间的电话对话录音，共计100条。这些通话于1999年被收录至CALLFRIEND语料库：每位居住在美国本土的俄语母语者均拨打一通时长不超过30分钟的电话，通话对象为居住在美国的家人或好友。</p>
<p>配套的转录文本与词典可在<a href="http://catalog.ldc.upenn.edu/LDC2023T09">CALLFRIEND俄语文本数据集（LDC2023T09）</a>中获取。</p>
<p>CALLFRIEND系列语料库是LDC为支撑语言识别技术研发而收集的多语言电话对话数据集，涵盖的语言包括美式英语、加拿大法语、埃及阿拉伯语、波斯语、德语、印地语、日语、韩语、普通话、俄语、西班牙语、泰米尔语与越南语。</p>
<h3>数据详情</h3>
<p>所有录音均为通过LDC自动化电话采集平台路由的国内通话，存储格式为2通道（4线）8kHz μ律采样数据，直接通过T-1线路从公共电话网络采集。每条音频文件均为支持FLAC压缩的MS-WAV（RIFF）格式音频文件，包含2通道、8kHz、16位脉冲编码调制（PCM）采样数据。</p>
<p>本次发布包含通话元数据，涵盖说话人性别、各通道的说话者数量以及通话时长。</p>
<h3>样本</h3>
<p>请收听此<a href="desc/addenda/LDC2023S08.flac">音频样本</a>。</p>
<h3>更新记录</h3>
<p>暂无更新。</p>

搜集汇总

背景与挑战

背景概述

CALLFRIEND Russian Speech是一个俄语电话对话语音数据集，包含约48小时、100个录音，录制于1999年，用于语言识别技术开发。数据以8kHz、16位PCM双通道音频格式提供，并附有对应的转录本和元数据，如说话者性别和通话时长。该数据集是CALLFRIEND系列的一部分，支持多语言研究。