Tweak the limiter a bit.

diff --git a/mixer.cpp b/mixer.cpp
index d4678b68193638d142b6b9c87f8e86271bc9ccc1..08c562f7ab448250ba36f48e48b4805f01edc707 100644 (file)
--- a/mixer.cpp
+++ b/mixer.cpp
@@ -575,10 +575,12 @@ void Mixer::process_audio_one_frame()
 //     float limiter_att, compressor_att;
 
        // Then a limiter at +0 dB (so, -14 dBFS) to take out the worst peaks only.
+       // Note that since ratio is not infinite, we could go slightly higher than this.
+       // Probably more tuning is warranted here.
        {
                float threshold = pow(10.0f, (ref_level_dbfs + 0.0f) / 20.0f);  // +0 dB.
-               float ratio = 1000.0f;  // Infinity.
-               float attack_time = 0.001f;
+               float ratio = 30.0f;
+               float attack_time = 0.0f;  // Instant.
                float release_time = 0.005f;
                float makeup_gain = 1.0f;  // 0 dB.
                limiter.process(samples_out.data(), samples_out.size() / 2, threshold, ratio, attack_time, release_time, makeup_gain);