MLECO-2723: Updating RNNoise to use 512 frame size
* CMSIS-DSP acceleration will now be used for FFT in RNNoise pre-processing
* PESQ scores tested and similar
Signed-off-by: Richard Burton <richard.burton@arm.com>
Change-Id: Ifeebc041f58867909b27c948950e08f8f39ef276
diff --git a/source/use_case/noise_reduction/include/RNNoiseProcess.hpp b/source/use_case/noise_reduction/include/RNNoiseProcess.hpp
index 0e19c68..c188e42 100644
--- a/source/use_case/noise_reduction/include/RNNoiseProcess.hpp
+++ b/source/use_case/noise_reduction/include/RNNoiseProcess.hpp
@@ -78,13 +78,13 @@
/* Public constants */
public:
static constexpr uint32_t FRAME_SIZE_SHIFT{2};
- static constexpr uint32_t FRAME_SIZE{480};
+ static constexpr uint32_t FRAME_SIZE{512};
static constexpr uint32_t WINDOW_SIZE{2 * FRAME_SIZE};
static constexpr uint32_t FREQ_SIZE{FRAME_SIZE + 1};
- static constexpr uint32_t PITCH_MIN_PERIOD{60};
- static constexpr uint32_t PITCH_MAX_PERIOD{768};
- static constexpr uint32_t PITCH_FRAME_SIZE{960};
+ static constexpr uint32_t PITCH_MIN_PERIOD{64};
+ static constexpr uint32_t PITCH_MAX_PERIOD{820};
+ static constexpr uint32_t PITCH_FRAME_SIZE{1024};
static constexpr uint32_t PITCH_BUF_SIZE{PITCH_MAX_PERIOD + PITCH_FRAME_SIZE};
static constexpr uint32_t NB_BANDS{22};