Can Smartphones be a cost-effective alternative to LENA for Early Childhood Language Intervention?
Can Smartphones be a cost-effective alternative to LENA for Early Childhood Language Intervention?
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DOI：
10.21437/s4sg.2022-3
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发表时间：
2022-09
期刊：
影响因子：
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通讯作者：
Satwik Dutta;Jacob C. Reyna;J. Buzhardt;Dwight W. Irvin;John H. L. Hansen
中科院分区：
文献类型：
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作者：
Satwik Dutta;Jacob C. Reyna;J. Buzhardt;Dwight W. Irvin;John H. L. Hansen
虽然像LENA这样的非营利商业产品可以为父母和幼儿教育工作者提供关于他们孩子或学生日常交流互动的有价值的反馈，但它们的成本和技术要求使许多可能受益的家庭无法获得。在过去的二十年里，智能手机已成为大多数家庭的常用设备，无论其社会经济背景如何。在这项在COVID-19大流行期间进行的研究中，我们的目标是在无监督的数据收集协议中比较LENA录音机与家庭可用的智能手机收集的音频。本研究中评估的大约10个小时的音频是由三个家庭在他们的家中与他们的孩子进行亲子科学阅读活动时收集的。我们报告了比较，并发现两种音频捕获设备之间的性能相似，基于其语音信噪比（NIST STNR）和使用自动语音识别（ASR）引擎计算的单词错误率。最后，我们讨论了这项研究的意义，将这项技术扩展到更多样化的人群，局限性和未来的方向。
Although non-profit commercial products such as LENA can provide valuable feedback to parents and early childhood edu-cators about their children’s or student’s daily communication interactions, their cost and technology requirements put them out of reach of many families who could benefit. Over the last two decades, smartphones have become commonly used in most households irrespective of their socio-economic background. In this study, conducted during the COVID-19 pandemic, we aim to compare audio collected on LENA recorders versus smartphones available to families in an unsupervised data collection protocol. Approximately 10 hours of audio evaluated in this study was collected by three families in their homes during parent-child science book reading activities with their children. We report comparisons and found similar performance between the two audio capture devices based on their speech signal-to-noise ratio (NIST STNR) and word-error-rates calculated using automatic speech recognition (ASR) engines. Finally, we discuss implications of this study for expanding this technology to more diverse populations, limitations and future directions.