Here is a list of all documented files with brief descriptions:

build
Audaspace.h	The main header file of the library defining the namespace and basic data types
coreaudio
CoreAudioDevice.h	The CoreAudioDevice class
devices
DeviceManager.h	The DeviceManager class
I3DDevice.h	Defines the I3DDevice interface as well as the different distance models
I3DHandle.h	The I3DHandle interface
ICaptureDeviceFactory.h	The ICaptureDeviceFactory interface
IDevice.h	The IDevice interface
IDeviceFactory.h	The IDeviceFactory interface
IHandle.h	Defines the IHandle interface as well as possible states of the handle
MixingThreadDevice.h	The MixingThreadDevice class
NULLDevice.h	The NULLDevice class
ReadDevice.h	The ReadDevice class
SoftwareDevice.h	The SoftwareDevice class
ThreadedDevice.h	The ThreadedDevice class
ffmpeg
FFMPEG.h	The FFMPEG class
FFMPEGReader.h	The FFMPEGReader class
FFMPEGWriter.h	The FFMPEGWriter class
file
File.h	The File class
FileInfo.h	The FileInfo data structures
FileManager.h	The FileManager class
FileWriter.h	The FileWriter class
IFileInput.h	The IFileInput interface
IFileOutput.h	The IFileOutput interface
IWriter.h	Defines the IWriter interface as well as Container and Codec types
fx
Accumulator.h	The Accumulator class
ADSR.h	The ADSR class
ADSRReader.h	The ADSRReader class
AnimateableTimeStretchPitchScale.h	The AnimateableTimeStretchPitchScale class
AnimateableTimeStretchPitchScaleReader.h	The AnimateableTimeStretchPitchScaleReader class
BaseIIRFilterReader.h	The BaseIIRFilterReader class
BinauralReader.h	The BinauralReader class
BinauralSound.h	The BinauralSound class
Butterworth.h	The Butterworth class
ButterworthCalculator.h	The ButterworthCalculator class
CallbackIIRFilterReader.h	The CallbackIIRFilterReader class
Convolver.h	The Convolver class
ConvolverReader.h	The ConvolverReader class
ConvolverSound.h	The ConvolverSound class
Delay.h	The Delay class
DelayReader.h	The DelayReader class
DynamicIIRFilter.h	The DynamicIIRFilter class
DynamicIIRFilterReader.h	The DynamicIIRFilterReader class
DynamicMusic.h	The DynamicMusic class
Echo.h	The Echo class
EchoReader.h	The EchoReader class
Effect.h	The Effect class
EffectReader.h	The EffectReader class
Envelope.h	The Envelope class
Equalizer.h	The Equalizer class
Fader.h	The Fader class
FaderReader.h	Defines the FaderReader class as well as the two fading types
FFTConvolver.h	The FFTConvolver class
Highpass.h	The Highpass class
HighpassCalculator.h	The HighpassCalculator class
HRTF.h	The HRTF class
HRTFLoader.h	The HRTFLoader class
IDynamicIIRFilterCalculator.h	The IDynamicIIRFilterCalculator interface
IIRFilter.h	The IIRFilter class
IIRFilterReader.h	The IIRFilterReader class
ImpulseResponse.h	The ImpulseResponse class
Limiter.h	The Limiter class
LimiterReader.h	The LimiterReader class
Loop.h	The Loop class
LoopReader.h	The LoopReader class
Lowpass.h	The Lowpass class
LowpassCalculator.h	The LowpassCalculator class
Modulator.h	The Modulator class
ModulatorReader.h	The ModulatorReader class
MutableReader.h	The MutableReader class
MutableSound.h	The MutableSound class
Pitch.h	The Pitch class
PitchReader.h	The PitchReader class
PlaybackCategory.h	The PlaybackCategory class
PlaybackManager.h	The PlaybackManager class
Reverse.h	The Reverse class
ReverseReader.h	The ReverseReader class
SoundList.h	The SoundList class
Source.h	The Source class
Sum.h	The Sum class
Threshold.h	The Threshold class
TimeStretchPitchScale.h	The TimeStretchPitchScale class
TimeStretchPitchScaleReader.h	The TimeStretchPitchScaleReader class
Volume.h	The Volume class
VolumeReader.h	The VolumeReader class
VolumeSound.h	The VolumeSound class
VolumeStorage.h	The VolumeStorage class
generator
Sawtooth.h	The Sawtooth class
SawtoothReader.h	The SawtoothReader class
Silence.h	The Silence class
SilenceReader.h	The SilenceReader class
Sine.h	The Sine class
SineReader.h	The SineReader class
Square.h	The Square class
SquareReader.h	The SquareReader class
Triangle.h	The Triangle class
TriangleReader.h	The TriangleReader class
jack
JackDevice.h	The JackDevice class
JackLibrary.h
JackSymbols.h
libsndfile
SndFile.h	The SndFile class
SndFileReader.h	The SndFileReader class
SndFileWriter.h	The SndFileWriter class
openal
OpenALDevice.h	The OpenALDevice class
OpenALReader.h	The OpenALReader class
pipewire
PipeWireDevice.h	The PipeWireDevice class
PipeWireLibrary.h
PipeWireSymbols.h
plugin
PluginManager.h	The PluginManager class
pulseaudio
PulseAudioDevice.h	The PulseAudioDevice class
PulseAudioLibrary.h
PulseAudioSymbols.h
respec
ChannelMapper.h	The ChannelMapper class
ChannelMapperReader.h	The ChannelMapperReader class
Converter.h	The Converter class
ConverterFunctions.h	Defines several conversion functions between different sample formats
ConverterReader.h	The ConverterReader class
JOSResample.h	The JOSResample class
JOSResampleReader.h	The JOSResampleReader class
LinearResample.h	The LinearResample class
LinearResampleReader.h	The LinearResampleReader class
Mixer.h	The Mixer class
ResampleReader.h	The ResampleReader class
Specification.h	Defines all important macros and basic data structures for stream format descriptions
SpecsChanger.h	The SpecsChanger class
sdl
SDLDevice.h	The SDLDevice class
sequence
AnimateableProperty.h	Defines the AnimateableProperty class as well as existing property types
Double.h	The Double class
DoubleReader.h	The DoubleReader class
PingPong.h	The PingPong class
Sequence.h	The Sequence class
SequenceData.h	The SequenceData class
SequenceEntry.h	The SequenceEntry class
SequenceReader.h	The SequenceReader class
Superpose.h	The Superpose class
SuperposeReader.h	The SuperposeReader class
util
Barrier.h	The Barrier class
Buffer.h	The Buffer class
BufferReader.h	The BufferReader class
FFTPlan.h	The FFTPlan class
ILockable.h	The ILockable interface
Math3D.h	Defines the Vector3 and Quaternion classes
RingBuffer.h	The RingBuffer class
StreamBuffer.h	The StreamBuffer class
ThreadPool.h	The ThreadPool class
wasapi
WASAPIDevice.h	The WASAPIDevice class
Exception.h	Defines the Exception class as well as the AUD_THROW macro for easy throwing
IReader.h	The IReader interface
ISound.h	The ISound interface