Simon Brown (@G4ELI)

Author of SDR-Radio.com, Software defined radio console.

For purely image processing I used Direct2D on Windows, SetInterpolationMode = InterpolationModeHighQualityBicubic so the keywords here are "bicubic interpolation"....
I use arbitrary ratios in my SDR software, part of the decimation chain. This is not modified in real time, only when a radio is started or the sample rate (bandwidth)...

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