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Synthesizers

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    Figure 1: Smoothing a stepped waveform (or vice versa?).

    From Sample & Hold To Sample-rate Converters (2)

    Synth Secrets

    Sample & Hold modules, as explained last month, convert a continuously varying signal into a stepped series of fixed pitches. And this, as we shall see, is the basis of what we know as 'digital audio'...

    Techniques Sep 2000
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    Figure 1: [top] The output from an envelope follower. Figure 2: [bottom] A more sophisticated envelope follower.

    From Sample & Hold To Sample-rate Converters (1)

    Synth Secrets

    Gordon Reid introduces the synthesis modules that allow you to create a number of commonly used 'random' effects, and their close relatives — analogue sequencers.

    Techniques Aug 2000
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    Figure 1: A typical setup for processing an external signal using a Minimoog.

    An Introduction To ESPs & Vocoders

    Synth Secrets

    We turn our attention to the effects that can be achieved when subtractive synthesis components are applied not to the output from oscillators, but to real-world sounds — such as human speech.

    Techniques Jul 2000
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