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finally good audio

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Bliblank
2026-06-23 20:38:08 -05:00
parent 3e94d64f4a
commit e94d4c980e
4 changed files with 55 additions and 27 deletions
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11
src/synth/Instruments/PianoString.hpp
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@@ -35,15 +35,15 @@ private:
// constants
// string parameters
size_t segmentCount_ = 50;
size_t segmentCount_ = 80;
static constexpr float rho_ = 8000.0f; // density, steel, kg/m^3
static constexpr float radius_ = 0.001f; // meters
static constexpr float stringTension_ = 1200.0f; // string tension, N
static constexpr float stiffness_ = 0.000f; // stiffness coefficient
static constexpr float stiffness_ = 0.0f; // stiffness coefficient
float damping_ = 0.5f; // damping coefficient
static constexpr float stringLength_ = 5.0f; // length of string at lowest frequency (20 hz)
static constexpr float stringLength_ = 4.0f; // length of string at lowest frequency (20 hz)
static constexpr float strikePosition_ = 0.2f; // x of impulse location
static constexpr float impulseWidth_ = 0.02f; // x of impulse width
static constexpr float impulseWidth_ = 0.1f; // x of impulse width
static constexpr float impulseVelocity_ = 10000.0f; // x/t of impulse magnitude
static constexpr float samplePosition_ = 0.1f; // percentage along L of sampling for audio
float crossSectionalArea_ = pi * std::pow(radius_, 2.0f); // string cross sectional area, assuming circular
@@ -54,6 +54,9 @@ private:
// f0_ = waveVelocity_ / (2.0f * stringLength_); // fundamental frequency of a non-stiff string
// f1_ = f0_ * std::sqrt(1.0f + stiffness_); // fundamental frequency of the stiff string
uint32_t samplingSteps_ = 1;
float phaseTracker_ = 0.0f;
float dx_ = L_ / static_cast<float>(segmentCount_);
float dt_ = 1.0f / sampleRate_;