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Author Topic: PSP Neon  (Read 329 times)

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Online chrisNova777

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PSP Neon
« on: August 04, 2019, 12:52:51 AM »
https://web.archive.org/web/20150608191347/http://www.soundonsound.com/sos/feb07/articles/pspneon.htm
https://www.soundonsound.com/reviews/psp-neon

Linear Phase Equaliser Plug-ins [Mac OS X & Windows XP]

Quote
PSP's new linear phase equaliser plug-ins offer mastering quality at a project-studio price.
Martin Walker
PSP Neon HR
The High Resolution version of Neon offers numerous additional features over the Standard version.
Back in SOS June 2004, I reviewed the first EQ in PSP's range of high-quality plug-ins. I was very impressed by Master Q's smooth sound, which compared very favourably with Waves' Renaissance EQ, among others, and its versatile selection of seven soft-clipping algorithms, which provided extra warmth and thickness.

Now PSP have a second pair of EQ plug-ins to add to their range, but these are rather different. Most digital EQ algorithms, including those used in Master Q, employ Infinite Impulse Response filters, which have low CPU overheads but a non-linear phase response; some frequencies are delayed more than others, which can lead to a loss of depth and clarity. By contrast, Neon and Neon HR are 'linear phase' designs based on an analogue prototype, where each frequency is delayed by exactly the same number of samples. Although this design results in significant higher latency, transients and harmonics in particular can emerge from such an EQ with much greater transparency and detail.

Linear phase designs are a lot more difficult to get right, and can 'ring' and suffer from 'pre-echo' on transients, but PSP have gone to great efforts to minimise such artifacts. If you want to hear the difference, you can switch between their linear phase and more traditional phase-warping IIR filtering modes to hear the difference.

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Neon Lights
The Neon graphic interface is PSP's most impressive to date, with its brushed aluminium and wood finish, and also manages to be clear and easy to use. There are eight EQ bands that can be individually enabled or disabled, each offering identical options over the full frequency range of 20Hz to 20kHz. You can choose from seven filter types: low-cut or high-cut with either a 12dB/octave or 24dB/octave slope, low or high shelving with variable Q at the cutoff point, or variable Q peaking.

The shelving and peaking EQs can have their gain varied by up to ±24dB in 0.04dB increments, and the overall frequency response is displayed in the EQ graph above the controls. If you hover over any band's control knobs, the response for that band alone is overlaid on the graph, while its current settings appear across the bottom of the display. This is perhaps not as useful as having the values appear below each control, as they do in Master Q, but you can double-click any control to enter a precise value, or directly click and drag each band's values in the EQ graph.

The right-hand side hosts a clutch of extra controls, including a large zoom wheel that controls the EQ graph's vertical resolution, a Linear Phase on/off switch, output gain control with ±12dB range, and bypass button.

http://web.archive.org/web/20070505082753/http://www.pspaudioware.com/