Reverberations: An 8-bit approach to J.S. Bach
&gt; If so, how come a church organ doesn&#x27;t sound like a chip tune, which is also built up from simple waveforms? Well, actually it will, if you remove the church.<p>That&#x27;s not true. In the real world an acoustic device will never generate a pure sound. An organ pipe will generate all sorts of artifact noises and its overall sonic behaviour will be affected by temperature, humidity, barometric pressure, and its physical promixity to other pipes (interference is a common problem in mixtures).<p>It is important to note that organ builders will graduate the different pipe dimensions within a single register in order to achieve a homogeneous sound from low to high notes, but that graduation does not necessarily follow physical laws but rather an approximation. Sometimes the graduation will involve jumps or repetition in order to create a register with a mixed character.<p>Finally, the voicing of individual pipes, done by hand, will (when done by a master voicer) balance character and homogeneity. Each register will have its own personality, but each note will sound slightly different.<p>&gt; You have to add movement, energy, and emphasis (which, on an organ, has to be implemented by varying the duration of the notes, and the pauses between them, because there&#x27;s no dynamic response).<p>On mechanical organs, a good player will also be able to adjust the opening and closing of individual pallets (valves) using their fingers, in order to control the attack and decay of individual notes.