Nexdata |Multilingual Native & Accented English Speech Data |40,000 Hours | Audio Data|Speech Recognition Data| Natural Language Processing (NLP) Data

1. Specifications Format : 16kHz, 16bit, uncompressed wav, mono channel. Recording environment : quiet indoor environment, low background noise, without echo. Recording content (read speech) : generic category; human-machine interaction category; smart home command and control category; in-car command and control category; numbers. Demographics : Speakers are evenly distributed across all age groups, covering children, teenagers, middle-aged, elderly, etc. Device : Android mobile phone, iPhone. Language : American English, British English, Canadian English, Australian English, French English, German English, Spanish English, Italian English, Portuguese English, Russian English, Chinese English, Indian English, Japanese English, Korean English, Singaporean English and etc. Application scenarios : speech recognition; voiceprint recognition. 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

1. 规格参数格式：采样率16kHz、位深16bit，未压缩WAV格式，单声道。录制环境：安静室内环境，背景噪声低且无回声。录制内容（朗读语音）：涵盖通用类别、人机交互类别、智能家居管控类别、车载管控类别以及数字指令类内容。人群分布：发言人覆盖全年龄段，包含儿童、青少年、中年与老年人群等，且分布均匀。录制设备：安卓手机、苹果iPhone。语言类型：美式英语、英式英语、加拿大英语、澳大利亚英语、法语口音英语、德语口音英语、西班牙语口音英语、意大利语口音英语、葡萄牙语口音英语、俄语口音英语、中式英语、印度英语、日语口音英语、韩语口音英语、新加坡英语等。应用场景：语音识别、声纹识别。2. 关于Nexdata 该机构拥有现成可用的20万小时语音识别数据集、800TB标注图像数据集以及约20亿条自然语言处理（Natural Language Processing，NLP）数据。这些可直接投入使用的机器学习（Machine Learning，ML）数据支持快速交付，可有效提升AI模型的识别精度。如需了解更多详情，请访问：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4万小时高质量多语言英语语音数据，覆盖美式、英式等15种英语变体及安静室内环境录制的多种场景语音。数据采用16kHz/16bit WAV格式，适用于语音识别和声纹识别模型训练，由拥有20万小时语音数据的Nexdata公司提供。