On 12 August 2010 03:36, Justin Ruggles <[email protected]> wrote: > Mohamed Naufal wrote: > >> +/** >> + * Estimate autocorrelation of the input vector. >> [...] >> + * Use Levinson-Durbin recursion to compute LPC coefficients from >> + * autocorrelation values. >> [...] >> + * Hamming window coefficients scaled by 2^15 > > Are these functions required to be bit-exact as defined by the > specification or are they implementation-dependent? I ask because they
The spec requires them to be bit-exact to the reference. > are quite similar to our existing autocorrelation and levinson-durbin > functions (though obviously 16-bit fixed-point rather than > floating-point). Also, is a Hamming window required or can some other > window function be used? > A Hamming window is to be applied according to the spec. Thanks Naufal _______________________________________________ FFmpeg-soc mailing list [email protected] https://lists.mplayerhq.hu/mailman/listinfo/ffmpeg-soc
