Public Member Functions | List of all members
dsp::Bias< FloatType > Class Template Reference

Adds a DC offset (voltage bias) to the audio samples. More...

Public Member Functions

 Bias () noexcept
 
void setBias (FloatType newBias) noexcept
 Sets the DC bias. More...
 
FloatType getBias () const noexcept
 Returns the DC bias. More...
 
void setRampDurationSeconds (double newDurationSeconds) noexcept
 Sets the length of the ramp used for smoothing gain changes. More...
 
double getRampDurationSeconds () const noexcept
 
void prepare (const ProcessSpec &spec) noexcept
 Called before processing starts. More...
 
void reset () noexcept
 
template<typename SampleType >
SampleType processSample (SampleType inputSample) const noexcept
 Returns the result of processing a single sample. More...
 
template<typename ProcessContext >
void process (const ProcessContext &context) noexcept
 Processes the input and output buffers supplied in the processing context. More...
 

Detailed Description

template<typename FloatType>
class dsp::Bias< FloatType >

Adds a DC offset (voltage bias) to the audio samples.

This is a useful preprocessor for asymmetric waveshaping when a waveshaper is bookended by a bias on input and a DC-offset removing high pass filter on output.

This is an extremely simple bias implementation that simply adds a value to a signal. More complicated bias behaviours exist in real circuits - for your homework ;).

Constructor & Destructor Documentation

◆ Bias()

template<typename FloatType >
dsp::Bias< FloatType >::Bias ( )
noexcept

Member Function Documentation

◆ setBias()

template<typename FloatType >
void dsp::Bias< FloatType >::setBias ( FloatType  newBias)
noexcept

Sets the DC bias.

Parameters
newBiasDC offset in range [-1, 1]

References jassert.

◆ getBias()

template<typename FloatType >
FloatType dsp::Bias< FloatType >::getBias ( ) const
noexcept

Returns the DC bias.

Returns
DC bias, which should be in the range [-1, 1]

◆ setRampDurationSeconds()

template<typename FloatType >
void dsp::Bias< FloatType >::setRampDurationSeconds ( double  newDurationSeconds)
noexcept

Sets the length of the ramp used for smoothing gain changes.

◆ getRampDurationSeconds()

template<typename FloatType >
double dsp::Bias< FloatType >::getRampDurationSeconds ( ) const
noexcept

◆ prepare()

template<typename FloatType >
void dsp::Bias< FloatType >::prepare ( const ProcessSpec spec)
noexcept

Called before processing starts.

◆ reset()

template<typename FloatType >
void dsp::Bias< FloatType >::reset ( )
noexcept

◆ processSample()

template<typename FloatType >
template<typename SampleType >
SampleType dsp::Bias< FloatType >::processSample ( SampleType  inputSample) const
noexcept

Returns the result of processing a single sample.

◆ process()

template<typename FloatType >
template<typename ProcessContext >
void dsp::Bias< FloatType >::process ( const ProcessContext &  context)
noexcept

Processes the input and output buffers supplied in the processing context.

References FloatVectorOperations::add(), and jassert.


The documentation for this class was generated from the following file: