diff options
Diffstat (limited to 'src/audio/fft.h')
| -rw-r--r-- | src/audio/fft.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/audio/fft.h b/src/audio/fft.h index 8c10afd..df37ad5 100644 --- a/src/audio/fft.h +++ b/src/audio/fft.h @@ -32,4 +32,11 @@ void dct_fft(const float* input, float* output, size_t N); // N must be a power of 2 void idct_fft(const float* input, float* output, size_t N); +// IMDCT via FFT +// Input: input[] (length N) — MDCT coefficients +// Output: output[] (length 2*N) — time-domain samples +// Window output with Hann(2N) and OLA with hop N for perfect reconstruction. +// N must be a power of 2 +void imdct_fft(const float* input, float* output, size_t N); + #endif /* AUDIO_FFT_H_ */ |