Voice Data Collection of Native English Speaker of American Accent -- 2

It's a voice data collection project for setting up a corpus for AI in which native English speaker of American accent is required. There are some details of this project: 1. We will provide 960 very short sentences for the recorder and then the recorder needs to pronounce them clearly at required speed (normal speed, fast speed and slow speed) and record the sentence by an app we provide. This task may requires about 1 or 2 hours of you. 2. 40 dollars for each recorder when all your audio are qualified, which means if some of your audios are not qualified, such as the noisy and the unclear audios, you need to rerecord them. 3. Before officially starting the task the recorder firstly should to record about 30 sentences for us to verify the accent. The requirements for recorders are as follows: 1. Native English speaker of American accent 2. Do have a smartphone and can install the recording app we provide