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Photosounder SplineEQ Equalizer Plugin

Photosounder SplineEQ Equalizer Plugin

$29.00

4.5 (12)

1 Critic Review

3 Reviews

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Page last updated Jun 21, 2026

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Description

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Unleash your creativity with the Photosounder SplineEQ Equalizer Plugin, a sophisticated tool that combines simplicity with flexibility to elevate your sound design. This linear phase equalizer stands out by using intuitive Bézier splines for filter design, offering unparalleled control over your audio's frequency profile. Gone are the days of choosing from rigid filter types; with SplineEQ, you sculpt your sound with precision and ease.

What truly sets this plugin apart is its up to 60-band capability, allowing you to tailor your audio with a finesse that few other equalizers can match. Whether you need to subtly enhance the midrange or completely silence unwanted frequencies, SplineEQ provides the tools to do so seamlessly. Its logarithmic gain range from -infinite dB to +60 dB ensures you have the power to boost or attenuate any part of the spectrum with remarkable clarity.

The real-time frequency analyser offers a visual treat, displaying frequencies before and after filtering with vibrant colors, making it easier than ever to achieve the perfect mix. With smooth transitions and adjustable resolution, latency, and CPU usage, SplineEQ promises both high performance and superior sound quality. Compatible across various platforms and supporting all sampling rates, this plugin is a must-have in any musician's toolkit.

Key Features:

Linear Phase Equalizer for pristine sound quality
Bézier Spline-Based Filter Design for flexible sound shaping
Up to 60 Bands for comprehensive audio control
Logarithmic Gain Range from -infinite dB to +60 dB
Real-time Frequency Analyser with intuitive visuals
Smooth parameter transitions with no audio artefacts
Adjustable resolution, latency, and CPU usage
Supports all sampling rates, available in VST and AU formats

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Plugin Boutique

Top 5 Friday | The Best Digital EQ VST Plugins

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How to use SplineEQ

Photosounder

REVIEW du SPLINE EQ (Photosounder)

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Reviews

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PROS

Exceedingly smooth sound with unique "spline" node methodology
Transparent equalizer, surpassing even FabFilter's Pro-Q
Super-useful built-in spectrum visualizer for enhanced frequency analysis
Innovative shift EQ curve by frequency and curve percentage options
Built-in limiter effectively manages erratic peaks
Equally adept at smooth boosts and precise surgical work
More affordable than many comparable EQs with practical features

CONS

High CPU usage and latency for precise low-frequency sculpting
Lacks a functional "Undo" feature for step revisions

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Photosounder SplineEQ Equalizer Plugin.

Features and functionality

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SplineEQ offers unique asymmetric curves, providing precision that traditional parametric EQs can't achieve, especially useful for isolating and enhancing specific frequencies.
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Use cases and applications

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SplineEQ is particularly effective for reducing hi-hat bleed in snare mics, thanks to its ability to create complex, custom curve shapes for precise frequency control.
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SplineEQ is noted for transforming noisy guitar recordings by smoothing out excessive high-end spikes, which dynamic EQs and multiband compressors can't address effectively.
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User experience

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Users caution that while SplineEQ offers sharp frequency control, it may introduce pre-ringing in linear phase mode, affecting the natural sound quality.
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Software and compatibility

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The plugin's resemblance to vector graphic tools like Illustrator allows users to draw complex filter shapes directly, appealing to those familiar with such interfaces.
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Comparisons

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Users compare SplineEQ's precision to broad-stroke parametric EQs like Pro-Q3, noting that while both can be surgical, SplineEQ excels in creating custom filter shapes.
Source

Critic Reviews

Photosounder SplineEQ review | MusicRadar

musicradar.com

Photosounder SplineEQ is an impressively powerful and intuitive EQ plugin, praised for its creative Curve Effects and effective visualization feedback. Its affordability is highlighted, with reviewers noting it would be a worthy purchase even at a higher price. The plugin's unique ability to modify the entire EQ curve with ease is a standout feature, enabling users to craft complex soundscapes. However, its massive gain potential requires careful handling, and users may find it fiddly, with accidental band deactivation being a minor issue. Overall, SplineEQ is a highly recommended, affordable tool for musicians seeking innovative sound design capabilities.

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4.5 out of 5

Based on 3 Reviews and 12 Ratings

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a_invi

122

over 10 years ago

Yes.

Unique EQ with an exceedingly smooth sound and extremely useful features. 1. linear phase. Use it for transparent mastering applications. 2. super-useful spectrum visualizer built in. I sometimes use it just for this even if not using it to EQ. 3. innovative "spline" node methodology with near-infinite fine-tuneability for ridiculously precise sculpting while maintaining a natural sound. 4. Very nifty shift EQ curve by frequency and curve percentage (including down to negative) options. 5. pricing.... much more affordable than many more expensive but not as practical EQs. 6. it even has a built-in limiter which is quite good for curtailing occasional erratic peaks. 7. equally adept with smooth, gradual, shelf-like boosts or cuts as it is with tiny surgical work. The "spline" nature means that ideal smoothness occurs with every slope without having to stress out about what the perfect "Q" setting is for each band.

Cons? uses a good bit of CPU and latency if you want precise low-frequency sculpting. "Undo" doesn't work to undo steps, so set your settings carefully and back up your project because if you accidentally dislodge an established node, you'll have to remember where it was and re-set it manually..

thatlkjguy

4735

over 8 years ago

Great on master bus

Such a transparent equalizer (even more transparent than FabFilter's Pro-Q, which is obviously saying something). Great for placing on the master bus for shaping the mix (and doing extremely steep cuts - e.g. below 20-30hz).

Roles:

Composer Music Producer DJ

Genres:

Electronic Techno Progressive house

lexplexus

180

over 10 years ago

Super great!

I love this thing. Realtime graphical frequency content display, scale knob... very useable.

Artist usage

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Fox Stevenson

Music Producer

Verified via Instagram

In this Instagram video clip, Fox Stevenson plays back a bit of a project. In his DAW session, the SplineEQ linear phase equalizer plugin can be seen in use (Instagram posted April 2014).