Very simple, use the "tape recorder" function that comes with the mobile phone (or use the mobile phone software that specializes in recording).
Second, the steps of converting the recording into words:
1, mobile phone download: record to text assistant.
2. Then open the software on the mobile phone, click the recording recognition, then record the voice file you want to convert, press the start button to record, and press the end button to pause.
3. After recognition, click Save in the lower right corner, and then save the recognized text content.
4. Then get the content in the document.
5. There will be some inaccuracies in the conversion from voice to text, and then proofread and modify it according to the recording.