It works with multiple files as well as formats (wav, vox, gsm & aiff), supports auto-trim, voice activated recording, recording can run in the background when screen turns off and you can select sample rates from 8000. This free app includes some trial features that are available to try for a limited time in the free version, at the end of which those trial features must be purchased in order to continue to use those features within the app. WavePad is a full-featured professional audio and music editor with tools like echo, amplify, noise reduction and much more. When you’re finished editing, share your project directly with friends and family online, burn straight to CD, or transfer to your portable device. Full of effects and advanced audio tools, you can customize your project the way you want. Then, simply drag and drop your audio files into the timeline and start editing. Start by recording audio directly in the software or adding previously recorded audio. WavePad Audio Editor is the perfect audio and music editing program to quickly edit audio and music files.