FFT Properties - Version 188.8.131.52 Time series and frequency spectrum analyzer optimized for handling of very long signals. It features:* Recording and playback with arbitrary real number sampling frequency with a real time sample rate converter of user configurable quality. * Real-time envelope and energy computation during recording with history overview and frequency analysis.* Real-time high-resolution spectrogram in the recording and analysis modules.* 24-bit/96kHz and 24-bit/192kHz recording and playback support.* Monitor and record output of arbitrary playback device. * Open arbitrary compressed and non-compressed audio/video files. Support for multi-language multi-channel DTS and AC3 movie files. * Support for text files, raw/pcm (arbitrary format) files and wav file format.* Frequency analysis and ability to compare multiple averaged spectrums.* Excellent quality 3D Surface chart with unique navigation capability.* Multithreaded batch file processing for rate conversion, digital filtering, signal generation, signal modulation, demodulation, envelope detection and signal conversion.* Zoom-spectrum feature. Select higher resolution and narrower bands with any sampling frequency.* Basic digital filter designer support with a wide range of optimal FIR and IIR filtering.* Math expression evaluator for scaling of signals.* HP Calculator style signal generator.* Save and load settings of all processing pipes and charts.* Phase angle measurement of non-periodic signals and linear phase peak filtering.* Support for real time analysis of largest file sizes.