void prepareToPlay(double sampleRate, int samplesPerBlock) override;
void releaseResources() override;
void processBlock(juce::AudioBuffer<float>&, juce::MidiBuffer&) override;

void getStateInformation(juce::MemoryBlock& destData) override;
void setStateInformation(const void* data, int sizeInBytes) override;

• getStateInformation & setStateInformation - for parameters saving / loading

double getTailLengthSeconds()

• used for delays, reverbs, … to have tail after the end (to avoid cut)

juce::AudioProcessor

• Audio
• Real-Time Thread

juce::AudioProcessorEditor

• GUI
• Message Thread

noDenormals - floating point usin denormalization

Changing slider design

• override the method paint() on the compotnent