When dealing with true surround source material, the choice of configu- ration is simple--choose the 4-in or 5-in version. The algorithms are all designed to treat the inputs uniquely. If the algorithm is a reverberator or room, then each input will propagate into the space from the direction of its virtual source. If the algorithm is a delay or effect, each input will be treated by itself, and then possibly propagated into shared feedback paths.

But when dealing with stereo source material (the more typical case), some thought must be given to the choice of configuration. The 4-in or 5-in con- figuration may still be used of course, and the source material will be more obviously placed in the front of the virtual space. In the case of a delay or effects algorithm, not all voices will be activated. When the 2-in/multi-out configuration is chosen, the input signals are also propagated to the surround inputs (post level, post pan). This will sound different. A reverb may sound more full. It will still be surround of course, but will not maintain the same frontward localization. Delay and effects algorithms will now have all voices activated and may be considerably more complex. There may be a small dif- ference in gain for the same presets in the 2-in or multi-in configuration.

There’s no right or wrong in this choice. It’s up to the user which of these configurations to use. But it is important to know how the sound will change based on this choice.

All the DSP configurations are described below.

Single Stereo (Mono In)

A mono signal is split into a stereo signal.

Single Stereo

The left and right inputs are sent through a single virtual machine.

Dual Stereo (Mono In)

The left signal travels through one virtual machine, and the right signal travels through a separate second virtual machine.

Dual Stereo

Two stereo signals are processed independently by two virtual machines.

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Lexicon PCM96 manual Mono signal is split into a stereo signal
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PCM96 specifications

The Lexicon PCM96 is a high-end digital effects processor renowned for its versatility, high-quality sound, and advanced signal processing capabilities. Tailored for both professional studio environments and live sound applications, the PCM96 delivers an impressive range of features that appeal to audio engineers, musicians, and producers alike.

At the core of the PCM96 lies Lexicon’s proprietary algorithm technology, which has been honed over decades of developing industry-leading reverb and effects processors. With its dual-engine architecture, the PCM96 allows users to access a wide variety of effects simultaneously. This dual-engine approach means that the processor can handle complex audio signals with unmatched clarity and precision.

One of the standout features of the PCM96 is its extensive library of reverb algorithms. From lush concert hall environments to tight and intimate spaces, the PCM96 captures the nuances of acoustic realism. Additionally, it provides advanced options for customizing reverb tails, predelay, and diffusion, allowing users to create unique soundscapes tailored to their specific needs.

Beyond reverb, the PCM96 boasts a rich selection of modulation effects, including chorus, flanging, and delay. These effects can be combined with the reverb algorithms for intricate sound design possibilities. The processor supports up to 96 kHz sample rates, ensuring high fidelity and compatibility with professional digital audio workstations (DAWs).

Another key characteristic of the PCM96 is its intuitive user interface. The front panel features a bright LCD display and straightforward controls, making it easy for users to navigate through presets and tweak parameters on the fly. Additionally, the PCM96 can be integrated seamlessly into various digital audio environments via its comprehensive connectivity options, including AES/EBU, S/PDIF, and MIDI.

The PCM96 also supports remote control and automation via MIDI, enabling users to synchronize effects with musical performances or recording sessions. This feature is particularly beneficial for live sound applications where quick adjustments can significantly impact the performance dynamics.

In summary, the Lexicon PCM96 stands out as a premier effects processor that brings together high-quality sound, innovative technologies, and user-friendly design. Its robust set of features, combined with the legendary Lexicon sound, makes it an indispensable tool for audio professionals seeking to elevate their creative possibilities in sound design and music production.
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