to bounce around. When the room size is small, the “walls” of this space are closer together and the resultant reflection density increases. When the room size is large, that density decreases. The most natural reverbs use room sizes that vary from about 24 meters to 45 meters or so, but there are many useful reverbs that are outside of this range.

There is a relationship between this parameter and the MidRT parameter. Please see the MidRT parameter for clarification.

RtHC Damping

The damping parameter is closely tied to the RTHC parameter. It controls the strength of the hi frequency absorption and has three values: Light, Normal, and Heavy. The normal value gives filter response identical to previ- ous Lexicon® reverbs. The other values should be self-descriptive.

Scale

This parameter is used to modify the overall time of the selected early impulse. It is a multiplier that goes from 0.5x to 2.0x. The actual time of the responses varies from response to response. The Early Scale parameter simply scales that amount of time. It’s fair to describe this a “rubber-banding” the impulse response.

Selected LFO

This parameter determines which of the available LFOs may be used to con- trol a voice. The voice may use the LFO output or the inverted LFO output.

Shape (Early Shape)

The Shape parameter is closely tied to the Spread parameter. Shape controls how energy is injected into the reverberator. A low value means that sound enters the reverb at the beginning of the spread window. A high value means that most sound moves into the reverb at the end of the spread window. A value somewhere in the middle means that sound enters the reverb evenly across the spread window.

Tip: Shape will not have this effect if spread is at its minimum value. But even then, it can make a difference. In this case, it affects reverb tim- bre and density. Higher values of shape will be both darker and denser, although the effect is subtle.

Shelf

This parameter effects all filter types. It allows a certain amount of unfiltered audio to be combined with the filtered audio. This effectively lowers the effect of the filter. Another way of looking at it is that it lessens the normal filter slope of 12 dB per octave. Unlike the traditional biquad filter, the shelf is effective for all filter forms.

Signal Event Freq

Changes the rate of discreet signals from the signal generator. This only has an effect when the signal type is set to sweep tones or pink click.

Signal Frequency

Changes the frequency of the signal generator sine wave. This only has an effect when the signal type is set to sine wave.

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Lexicon PCM96 manual RtHC Damping, Scale, Selected LFO, Shape Early Shape, Shelf, Signal Event Freq, Signal Frequency
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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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