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-rw-r--r--src/audio_core/time_stretch.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/audio_core/time_stretch.cpp b/src/audio_core/time_stretch.cpp
index cee8b12dd..2fe0b3aef 100644
--- a/src/audio_core/time_stretch.cpp
+++ b/src/audio_core/time_stretch.cpp
@@ -32,10 +32,10 @@ std::size_t TimeStretcher::Process(const s16* in, std::size_t num_in, s16* out,
32 // We were given actual_samples number of samples, and num_samples were requested from us. 32 // We were given actual_samples number of samples, and num_samples were requested from us.
33 double current_ratio = static_cast<double>(num_in) / static_cast<double>(num_out); 33 double current_ratio = static_cast<double>(num_in) / static_cast<double>(num_out);
34 34
35 const double max_latency = 1.0; // seconds 35 const double max_latency = 0.25; // seconds
36 const double max_backlog = m_sample_rate * max_latency; 36 const double max_backlog = m_sample_rate * max_latency;
37 const double backlog_fullness = m_sound_touch.numSamples() / max_backlog; 37 const double backlog_fullness = m_sound_touch.numSamples() / max_backlog;
38 if (backlog_fullness > 5.0) { 38 if (backlog_fullness > 4.0) {
39 // Too many samples in backlog: Don't push anymore on 39 // Too many samples in backlog: Don't push anymore on
40 num_in = 0; 40 num_in = 0;
41 } 41 }
@@ -49,7 +49,7 @@ std::size_t TimeStretcher::Process(const s16* in, std::size_t num_in, s16* out,
49 49
50 // This low-pass filter smoothes out variance in the calculated stretch ratio. 50 // This low-pass filter smoothes out variance in the calculated stretch ratio.
51 // The time-scale determines how responsive this filter is. 51 // The time-scale determines how responsive this filter is.
52 constexpr double lpf_time_scale = 2.0; // seconds 52 constexpr double lpf_time_scale = 0.712; // seconds
53 const double lpf_gain = 1.0 - std::exp(-time_delta / lpf_time_scale); 53 const double lpf_gain = 1.0 - std::exp(-time_delta / lpf_time_scale);
54 m_stretch_ratio += lpf_gain * (current_ratio - m_stretch_ratio); 54 m_stretch_ratio += lpf_gain * (current_ratio - m_stretch_ratio);
55 55