TL:DR; Listen to your work when you want!
Let the computer read your documents so that you can listen to them later.
Macsome Audio Splitter for Mac could split big audio files in unprotected MP3 or AAC file format to multiple smaller pieces in a few seconds. The ID tags of audiobook will be preserved, and the sound quality will be kept untouched while splitting.
TextSpeech Pro Elements is a professional text to speech software that converts Outlook emails, web pages, and documents (incl. PDF) to speech or audio files.
Sonarca Sound Recorder XiFi is a studio quality sound recorder. With this high-definition MP3 recorder, you can easily record various sound input to dozens of audio formats such as MP3.
