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A transcript is a written record of what is said in a video or audio file, created by converting the media’s audio into text. Transcripts can be created using automatic speech recognition, human transcriptionists or a combination of both.

• Transcripts make it possible for a user who is deaf or hard of hearing to engage with your content.
• Transcripts can also help clear up confusion caused by regional dialects or unavoidable background noise wherever a listener may be.

Keep in mind that the main purpose of a transcript is to provide the information to people who cannot get it from the audio and/or video. That will help you know what to include and how to design it. Add information to make the transcript more useful. For example, add headings, links, a summary, and maybe time stamps, as described below. The following are optional, not requirements.

• Put the information in logical paragraphs, lists, and sections. If you’re starting with a captions file, you will probably combine several lines into paragraphs. 
• Add headings and links where it will make the transcript more usable. (This also helps with SEO, search engine optimization.)
• Add clarifying information, as long as it is clear that it is not part of the actual audio — for example, words added to a paragraph put in [brackets], or separate sections with headings “Introduction”, “Transcript”, “Resources”.
• Indicate the speakers based on the type of content. For example:
  • When there are multiple speakers, you could use hanging indents to make it easy to skim for a particular speaker.
  • When you want the focus on the interviewee’s answers and not the interviewer, you could bold the interviewee’s name so it stands out more clearly.
• Include timestamps only when useful. In many cases, including timestamps would be unnecessary clutter. If you do include them, they usually don’t need to be as granular as the captions, and do not need to include end times.

Make it easy for users to get to the transcript! Put the transcript itself or a link to the it directly under the video.

Several programs can help you generate transcripts for free.  lets you play audio with precise, easy-to-use controls to play, pause and rewind in short increments. It also can be minimized and pinned so you have access to its controls while typing in another window. Additionally, it will play audio directly from video files, so you don’t need to worry about converting your files from one format to another.