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请问,TI库里DSPF_sp_fftSPxSP.sa最大支持FFT点数是多少?



TI工程师,您好!

我用TI库里提供的FFT测试,即DSPF_sp_fftSPxSP这个函数,文档里些支持8~131072点数的FFT计算,但是,我实际测试时,发现最大只能到64K,128K得不到正确结果,请问,该函数支持128K点FFT吗?还是我的测试方法有问题?谢谢