Ok, so how many parent conferences, meetings, or lessons would you like to go back to and see exactly what was said? SaveMeeting, an Android app, might be able to help. It acts as a recorder, then it will transcribe the recording afterward.
When you sit down to use it, as you record you can add audio marks (intro, meeting, conclusions), to-do lists, and other options. The default meeting is 30 minutes. It also allows you some text features, such as date, meeting attendees, the title, etc.
While this definitely fills a need and can help many people, you must consider a few things before beginning. For instance, you create an account with SaveMeeting which your files will be uploaded to. Consider the nature of your meetings. You probably would not want to use this in IEP meetings while talking about confidential student information. You also want to provide full disclosure to parents or other participants and allow them access to the finished recording. But a definitely help in making those meetings more productive.
Check out SaveMeeting at https://market.android.com/details?id=com.savemeeting.sm