If the convolver mode is enabled. See SynthConfig.convolverMode.
The audio context's time when the synthesizer was created, in seconds.
The options passed to the spessasynth_core SpessaSynthProcessor.
The sample rate of the audio context, in Hertz.
The initialization data for the BasicSynthesizerCore. For the WorkerSynthesizer, it is the data of the first message posted to the worker.