www.gusucode.com > dsp 案例源码程序 matlab代码 > dsp/ReleaseASampleRateConverterExample.m

    %% Release a Sample Rate Converter
% Create a multistage sample rate converter with default properties,
% corresponding to the combined three filter stages used to convert from
% 192 kHz to 44.1 kHz. Run |step| on random data. Verify that the converter
% is locked.

% Copyright 2015 The MathWorks, Inc.


%%

src = dsp.SampleRateConverter;

[L,M] = getRateChangeFactors(src);
y = step(src,randn(M,2));
yes = isLocked(src)

%%
% Use |release| to release |src|. Verify that it is unlocked.

release(src)

no = isLocked(src)