Audio Analysis Resynthesis

Audio Analysis Resynthesis-60
To understand Organic Re Synthesis and how it differs from traditional forms of synthesis, think of any particular sound as defined by four core characteristics: All methods of synthesis rely on manipulating these characteristics.But to understand what makes Organic Re Synthesis unique, let’s first see how the most common synthesis method, subtractive synthesis, treats those four core elements, and then how Organic Re Synthesis does it.The basic model and implementation were developed by Xavier Serra as part of his Ph D thesis published 1989.

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The timbre of musical instruments can be considered in the light of Fourier theory to consist of multiple harmonic or inharmonic partials or overtones.

Each partial is a sine wave of different frequency and amplitude that swells and decays over time due to modulation from an ADSR envelope or low frequency oscillator.

Subtractive synthesis usually consists of the following components: Due to the way subtractive synthesis works, it is used primarily to create and design new sounds, but it is very limited in terms of manipulating an existing sound, or capturing specific characteristics of one sound and applying them to another.

This is why Waves has developed Organic Re Synthesis.

Various forms of audio synthesis have since been introduced, each with its advantages and limitations.

Audio Analysis Resynthesis

Organic Re Synthesis, which is the driving force behind several new Waves processors, goes beyond other forms of synthesis by combining several sound analysis and manipulation techniques to break any sound, any audio signal, into several core elements, each of which can then be controlled independently.Here are two examples: We call this process of resynthesis ‘organic,’ because it uses the inherent core characteristics of a real, actual signal, manipulates them, and then recombines them, retaining all of the original signal’s other natural characteristics.You can change almost any signal to behave exactly as you wish, yet still have it sound ‘organic.’ The combination and interactivity of all of these elements are what makes Organic Re Synthesis so powerful and exciting.Organic Re Synthesis-based plugins Organic Re Synthesis is not one product.It is an innovative technology used in already-released and future Waves plugins.This means that Organic Re Synthesis is fully modular: you can change only one aspect of a signal, such as its formant, without changing other aspects, such as the pitch.This is where Organic Re Synthesis diverges from other forms of synthesis such as subtractive synthesis or sample-based synthesis.Imagine a synthesizer that faithfully applies the precise envelope of a drum loop to a vocal track, or the precise pitch of a vocal performance to a drum track.Future Organic Re Synthesis plugins will let you take a core sound characteristic from ‘there,’ put it ‘here’, and make countless changes with little damage to the original signal. SMS Tools is a set of techniques and software implementations for the analysis, transformation, and synthesis of musical sounds based on various spectral modeling approaches.These techniques can be used for synthesis, processing and coding applications, while some of the intermediate results might also be applied to other music related problems, such as sound source separation, musical acoustics, music perception, or performance analysis.


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