[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/speechRecognition?source=Datarade

搜集汇总

背景与挑战

背景概述

该数据集包含3.5万小时多语言对话语音，采样率为16kHz，采用手机在安静室内录制，涵盖100多种语言及全年龄段说话者。数据标注了文本转写、说话人信息和噪声标记，适用于语音识别和声纹识别任务，词语准确率不低于98%。