On Wed, Nov 28, 2007 at 06:39:00PM +0100, Rémi Thébault wrote: > Is there a way to identify a frequency with quite high precision without > computing a big spectrum analysis ?
- Do a series of short FFTs with a raised cosine window and L/2 overlap, then use the evolution of the phase to find the exact frequency. - One short FFT to find approximate frequency, then start a PLL to track the signal. Both can be very precise if implemented correctly. -- FA Lascia la spina, cogli la rosa. _______________________________________________ Linux-audio-dev mailing list [email protected] http://lists.linuxaudio.org/mailman/listinfo/linux-audio-dev
