The document Processing signal digital audio present the content: digital transmission systems, audio components at home, signal quantization, spectrum shaping of quantization, number representation, AD/DA conversion, delta-sigma modulation, ad converters, audio processing systems, digital signal processors, multi-processor systems, digital audio interfaces, equalizers, recursive audio filters, nonrecursive audio filters, room simulation, early reflections, subsequent reverberation, dynamic range control, dynamic behavior, realization aspects, sampling rate conversion, audio coding.