[SAMPLE] Nexdata | Multilingual Conversational Speech Data |16kHz Mobile Phone| 35,000 Hours ...

1. Specifications
Format : 16kHz 16bit, uncompressed wav, mono channel;

Environment : quiet indoor environment, without echo;

Recording content : No preset linguistic data，dozens of topics are specified, and the speakers make dialogue under those topics while the recording is performed;

Demographics : Speakers are evenly distributed across all age groups, covering children, teenagers, middle-aged, elderly, etc.

Annotation : annotating for the transcription text, speaker identification, gender and noise symbols;

Device : Android mobile phone, iPhone;

Language : 100+ Languages;

Application scenarios : speech recognition; voiceprint recognition;

Accuracy rate : the word accuracy rate is not less than 98%

2. About Nexdata
Nexdata owns off-the-shelf 200,000 hours of speech recognition data, 800TB of Annotated Imagery Data, about 2 billion pieces of Natural Language Processing (NLP) Data. These ready-to-go Machine Learning (ML) Data support instant delivery, quickly improve the accuracy of AI models. For more details, please visit us at https://www.nexdata.ai/datasets/speechrecog?source=Datarade

搜集汇总

背景与挑战

背景概述

该数据集为多语言对话语音数据，包含35,000小时的16kHz 16bit单声道wav格式录音，采集于安静室内环境，使用Android和iPhone手机录制，覆盖100多种语言和所有年龄段的说话人。录音内容基于指定话题的自由对话，标注包括转写文本、说话人识别、性别和噪声符号，单词准确率不低于98%，适用于语音识别和声纹识别等场景。