audio checker

Real time audio signal generator.

Manipulate image, audio, and video metadata.

Adjust audio playback speed without affecting pitch.

Lossless volume adjustments for audio files.

Record your computer screen and audio.

Protect your online music by adding an audio watermark.

Make and save audio recordings on-the-go.

High fidelity audio player.

Make audio clips from books to play in iTunes.

Generate audio test signals.