Basic Digital Synthesis – Audio DJ Effects and Music Synths

Playing around with Fm synthesis or the standard approaches is fantastic, but there’re much more that could be done with the sound synthesis.

There are boundaries as to what can be easily performed with the latest methods of synthesis basically due to the fact that they are computer based. The full concept of digital synthesis is set on trying to duplicate acoustic as well as analogue sounds. Theres always some other ideas and techniques being used, and the success is set on how precise is the audible reproduction.

Four primary methods are recommended.

Method one : Frequency Domain – Spectral Modeling Say we took the Hartmann Neuron synthesizer as an instance, you would find it being a spectral model. Its well applied in additive synthesis and also re-synthesis. This’s referring to the frequency domain.

Method 2 : Physical Modeling Physical sounds such as spring simulations and also mass simulations could be really closely reproduced by physical modeling. This is because this type of modeling reckons on mathematical models gained from the acoustical basis of instruments and also components. If you truly want to attain those plucked sounds, then this is attained from the Karplus Strong synthesis, via physical modeling.

Method three : No Model Sound Attempt This is name as loose modeling. This is the method to be utilized to AM, Walsh, FM along with Wavetable synthesis.

Method four : Time Domain For granular synthesis, waveform composition and also wave set distortion you would want to use time-based modeling.

Walsh synthesis is capable of making new wave forms by using a couple of square waveforms, plus it is totally digital. Theres one problem with this technique though, and that’s the difficulty with being able to adjust the frequency spectrum. For a non complete digital or analogue, you would want to try Digital FM synthesis. In respect to compound modulation, it is extremely more adjustable.

Various try to apply LFO-type modulation or Yamahass operator concept. For instance this is what FM synthesis is based on. However, it does not achieve big success with trying to be like analogue subtractive synthesis. The PPG Wave and Waldorfs Microwave series can take the credit for making Wavetable synthesis so popular. Fragmented pieces of sampled sounds are simply played back and looped just like a sampler. To make this yet less challenging, you can take advantage of filters, envelopes and LFOs which are all the common features.

It must be kept in mind that the 4 major methods we outlined are still capable of using the analogue components, provided its inside their signal chain. Yet they’re still digitally-based.