On 06/29/2015 06:22 AM, Peter P. wrote: > All this sounds surprisingly complicated for a very common task, that is > reading audio data in normal quality from tables larger than 32k.
reading audio data in "normal" quality from tables larger than 32k is indeed a common task. however, upsampling a signal by a factor of 192 (you are trying to play back 100 samples in 400ms, right?) without any artefacts is not. you will need a high-order sinc interpolation to get that amount of upsampling correct - which would eat enough CPU cycles and needs enough surrounding points to make it unfit for a simple general-purpose interpolator as used by [tabread4]. hdsr IOhannes
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