Signal Path is the most performant spectrum viewing app with beautiful user interface. You can record audio spectrums using microphone and replay them or open large recordings containing I/Q data.
Inspect spectrums
Spectrums can be selected using two finger drag gesture. Tapping on histogram reveals amplitude value of the selected frequency bin.
Adjust thresholds
Signal Path automatically expands amplitude threshold range when viewing spectrums. You can also set custom amplitude thresholds if needed.
Keeping file size under control
Signal Path can set a maximum file size for recording after which file is recreated.
Can open wav files and save recorded audio as wav
Supported interleaved raw I/Q data formats
Float, int8, int16, int32, uInt8, uInt16, and uInt32
Fast Fourier transform lengths
256, 512, 1024, 2048, 4096, 8192
Window functions
Rectangular, Blackman, Hamming, and Hann
Inspect spectrums
Spectrums can be selected using two finger drag gesture. Tapping on histogram reveals amplitude value of the selected frequency bin.
Adjust thresholds
Signal Path automatically expands amplitude threshold range when viewing spectrums. You can also set custom amplitude thresholds if needed.
Keeping file size under control
Signal Path can set a maximum file size for recording after which file is recreated.
Can open wav files and save recorded audio as wav
Supported interleaved raw I/Q data formats
Float, int8, int16, int32, uInt8, uInt16, and uInt32
Fast Fourier transform lengths
256, 512, 1024, 2048, 4096, 8192
Window functions
Rectangular, Blackman, Hamming, and Hann
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