Nexdata | Multilingual Conversational Speech Data | 8kHz Telephone| 15,000 Hours | Audio Data | Speech Recognition Data| Machine Learning (ML) Data

1. Specifications Format : 8kHz, 8bit, u-law/a-law pcm, 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 : Telephony recording system; 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15,000小时的多语言电话对话录音，采用8kHz格式，覆盖100多种语言，话题多样且无预设文本，适用于语音和声纹识别。录音在安静室内环境中进行，说话人年龄分布均匀，标注包括转录文本、说话人身份和噪声符号，准确率不低于98%。