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-rw-r--r--src/audio/synth.cc22
1 files changed, 5 insertions, 17 deletions
diff --git a/src/audio/synth.cc b/src/audio/synth.cc
index ada46fd..798a02e 100644
--- a/src/audio/synth.cc
+++ b/src/audio/synth.cc
@@ -4,7 +4,6 @@
#include "synth.h"
#include "audio/dct.h"
-#include "audio/window.h"
#include "util/debug.h"
#include <atomic>
#include <math.h>
@@ -41,9 +40,8 @@ static struct {
static Voice g_voices[MAX_VOICES];
static volatile float g_current_output_peak =
- 0.0f; // Global peak for visualization
-static float g_hamming_window[WINDOW_SIZE]; // Static window for optimization
-static float g_tempo_scale = 1.0f; // Playback speed multiplier
+ 0.0f; // Global peak for visualization
+static float g_tempo_scale = 1.0f; // Playback speed multiplier
#if !defined(STRIP_ALL)
static float g_elapsed_time_sec = 0.0f; // Tracks elapsed time for event hooks
@@ -56,8 +54,6 @@ void synth_init() {
#if !defined(STRIP_ALL)
g_elapsed_time_sec = 0.0f;
#endif /* !defined(STRIP_ALL) */
- // Initialize the Hamming window once
- hamming_window_512(g_hamming_window);
}
void synth_shutdown() {
@@ -214,10 +210,6 @@ void synth_trigger_voice(int spectrogram_id, float volume, float pan) {
}
void synth_render(float* output_buffer, int num_frames) {
- // Use the pre-calculated window
- // float window[WINDOW_SIZE];
- // hamming_window_512(window);
-
// Faster decay for more responsive visuals
g_current_output_peak *= 0.90f;
@@ -243,13 +235,9 @@ void synth_render(float* output_buffer, int num_frames) {
const float* spectral_frame = (const float*)v.active_spectral_data +
(v.current_spectral_frame * DCT_SIZE);
- float windowed_frame[DCT_SIZE];
- for (int j = 0; j < DCT_SIZE; ++j) {
- windowed_frame[j] =
- spectral_frame[j] * g_hamming_window[j]; // Use static window
- }
-
- idct_512(windowed_frame, v.time_domain_buffer);
+ // IDCT directly - no windowing needed for synthesis
+ // (Window is only used during analysis, before DCT)
+ idct_512(spectral_frame, v.time_domain_buffer);
v.buffer_pos = 0;
++v.current_spectral_frame;