annotate dsp/melspace.m @ 61:eff6bddf82e3 tip

Finally implemented perceptual brightness thing.

% melspace - create array of frequencies evenly spaced in mel scale
%
% melspace ::
%    nonneg    ~'lower frequency limit in Hz',
%    nonneg    ~'upper frequency limit in Hz',
%    N:natural ~'number of frequency steps'
% -> [[1,N+1]->nonneg] ~'frequencies in Hz'.

function f=melspace(lowf,highf,N)
	limits=hz2mel([lowf,highf]);
	f=mel2hz(linspace(limits(1),limits(2),N));
end