SignalSpy - Audio Oscilloscope, Frequency Spectrum Analyzer, and more at Mac App Store analyse

SignalSpy is a suite of powerful tools that let you analyze audio signals. Included are an oscilloscope, a spectrum analyzer, level indicator and spectrogram. All tools are built for extreme accuracy and thus can be used in studio applications. Many of the tools are configurable to adapt them to your needs. Features: - Four highly accurate audio signal analyzers. - The oscilloscope can be synchronized to your waveform using a trigger level. - Frequency scale configurable between logarithmic and linear. - Very fast screen updating giving you a true real-time display.