[linux-audio-dev] fast linear resampling on ARM - suggestions?

[Erik de Castro Lopo]

Andrew!!! How's life post-Farilight? What are you up to now? Maybe off 
list :-).

Andrew Cannon wrote:

> I suggest using a Kaiser-window based interpolation algorithm. This is
> the best filter method to use for sample rate conversion. You can get
> decent results with 8 taps or even fewer. For example you can get a 6dB
> bandwidth of about 2.8kHz (at Fs=8kHz) with 50dB alias rejection. (of
> course you need more taps for high-quality results)

By way of comparison, the fastest of my three sinc based converters has 
a 3dB bandwidth of 3.2kHz with reference to Fs of 8kHz.

Erik
-- 
+-----------------------------------------------------------+
  Erik de Castro Lopo
+-----------------------------------------------------------+
"A mouse is a device used to point at the xterm you want to type in."
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