I have a bunch of lectures recorded as .wav PCM 8Khz, 16 bit, mono files. When I try to use dBpowerAMP to upsample them (for example, to 11025Hz, 16 bit, mono), the resulting file has a nasty "tinny" (not to be confused with tiny
) quality to it. I can understand losing quality with downsampling, but I would think I could upsample without reducing sound quality. How can I safely upsample?
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