diff options
| author | Carl Hetherington <cth@carlh.net> | 2015-09-18 22:31:41 +0100 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2015-09-18 22:31:41 +0100 |
| commit | 23f2f73c63fab846435a698797a0d9041dc63722 (patch) | |
| tree | 48bbe7b215376b8f2cb21acaffce0b0cd996d059 /src/lib | |
| parent | 79af506328e80ad84cbe0dddaf2e1a21d4df1fe8 (diff) | |
Fix incorrect gain of L+R; it's dB not linear.
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/upmixer_a.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/lib/upmixer_a.cc b/src/lib/upmixer_a.cc index a5850cf94..0479f16b2 100644 --- a/src/lib/upmixer_a.cc +++ b/src/lib/upmixer_a.cc @@ -71,10 +71,10 @@ UpmixerA::run (shared_ptr<const AudioBuffers> in, int channels) shared_ptr<AudioBuffers> in_L = in->channel (0); shared_ptr<AudioBuffers> in_R = in->channel (1); - /* Mix of L and R */ + /* Mix of L and R; -6dB down in amplitude (3dB in terms of power) */ shared_ptr<AudioBuffers> in_LR = in_L->clone (); in_LR->accumulate_frames (in_R.get(), 0, 0, in_R->frames ()); - in_LR->apply_gain (0.5); + in_LR->apply_gain (-6); /* Run filters */ vector<shared_ptr<AudioBuffers> > all_out; |