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Augmented Code is concentrating on writing beautiful applications and games on iOS and macOS with performance and elegance in mind.
Signal Path is a beautiful and swift spectrum viewing app. It makes easy to look through hours worth of data finding interesting signal peaks in long recordings (computing spectrums is backed by SIMD and GPU (Metal)). In addition Signal Path allows recording audio data through microphone and supports FIFO channels for importing complex signal data from any source.
Use FFT settings popover to change FFT lengths, window functions, data types, sample rates, center frequencies and frequency offsets.
Fast Fourier Transform lengths from 256 to 8192.
In addition to viewing recorded spectrums Signal Path supports recording audio data from a connected microphone.
Have fun discovering what is going on around you.
Scale data by merging multiple spectrums into one or duplicate spectrums onto several lines enabling fine-grained look on the data.
Note: When merging multiple spectrums into one maximum spectrum points from the set are presented.
Using a file name format _.iq Signal Path is able to automatically choose IQ data type when first time opening a file.
Note: IQ data type selection is persistent and needs to be done only once.
Signal Path supports FIFO channels for importing data from any source.
Create FIFO recording by using File->New FIFO Recording menu item.
File path to the channel can be conveniently copied using Edit->Copy FIFO Path menu item.
Try out Signal Path with this example file.