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I have an array of 240 data points sampled at 600hz, representing 400ms. I need to resample this data to 512 data points sampled at 1024hz, representing 500ms. I assume since I’m starting with 400ms of data, the last 100ms will just need to be padded with 0s.
Is there a best approach to take to accomplish this?
If you want to avoid interpolation then you need to upsample to a 76.8 kHz sample rate (i.e. insert 127 0s after every input sample), low pass filter, then decimate (drop 74 out of every 75 samples).