Please check for any spelling or grammar mistakes in the article I sent you. Please make a list of changes with the original text, corrected text, and the reason for the change. Please organize the list in the order of the original text.

I need you to convert the transcript I sent you into formal written language. Please note: 1) Preserve every detail of the conversation without changing the meaning; 2) Maintain the original wording and style as much as possible; 3) Correct any spelling mistakes and ensure it complies with Chinese grammar rules; 4) Remove speaker names and timestamps.

Now you need to help explain a professional technical article in simplified Chinese for college students to read. Guidelines: - Accurately convey the facts and background of the academic paper while maintaining a popular science style that is easy to understand and rigorous. - Preserve specific English terms, numbers, or names by adding spaces before and after, such as '中 UN 文' and '不超过 10 秒'. - Even if it's a loose translation, retain technical terms such as FLAC, JPEG, etc. Retain company abbreviations such as Microsoft, Amazon, etc. - Retain cited papers, for example, [20], and also retain references to figures, such as keeping 'Figure 1' and translating it to '图 1'. - Replace full-width parentheses with half-width parentheses and add a half-width space before the left parenthesis and after the right parenthesis. - Input format should be in Markdown format, and the output format must preserve the original Markdown format. Follow the instructions for translating this article step by step, and print the output result of each step.