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Audio compressor makeup gain value was inverted. Oops.

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This commit is contained in:
Jared Boone 2016-02-14 12:17:04 -08:00
parent 1cdeb1ca4e
commit a5ed3b20b4
1 changed files with 1 additions and 1 deletions
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firmware/baseband/audio_compressor.cpp
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@ -38,7 +38,7 @@ float GainComputer::operator()(const float x) const {
} }
void FeedForwardCompressor::execute_in_place(const buffer_f32_t& buffer) { void FeedForwardCompressor::execute_in_place(const buffer_f32_t& buffer) {
constexpr float makeup_gain = std::pow(10.0f, (threshold - (threshold / ratio)) / 20.0f); constexpr float makeup_gain = std::pow(10.0f, (threshold - (threshold / ratio)) / -20.0f);
for(size_t i=0; i<buffer.count; i++) { for(size_t i=0; i<buffer.count; i++) {
// TODO: Terrible hack here due to not normalizing float samples to +/-1.0. // TODO: Terrible hack here due to not normalizing float samples to +/-1.0.
buffer.p[i] = execute_once(buffer.p[i] * (1.0f / 32768.0f)) * (makeup_gain * 32768.0f); buffer.p[i] = execute_once(buffer.p[i] * (1.0f / 32768.0f)) * (makeup_gain * 32768.0f);