Voxengo CurveEQ 3.1 Tutorial: How to Use the Freeform EQ Curve Drawing Mode and CSV File Import/Export
Voxengo CurveEQ 3.1: A Spline Equalizer Plugin for Professional Audio Production
If you are looking for a powerful and flexible equalizer plugin that can help you shape the sound of your tracks and achieve a balanced frequency spectrum, you may want to check out Voxengo CurveEQ 3.1. This plugin is a spline equalizer that allows you to design your own filter response by means of a smooth curvy line. It also displays the spectrum of the input and output signals, so you can easily see what the EQ is doing with the sound. Voxengo CurveEQ 3.1 is suitable for mastering and mixing applications, as it offers linear- and minimum-phase filtering modes, spectrum matching technology, freeform EQ curve drawing mode, CSV file import/export, real-time FFT spectrum analyzer, and more.
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In this article, we will review Voxengo CurveEQ 3.1 and show you how to use it in your audio production workflow. We will also discuss the benefits and drawbacks of this plugin, and answer some frequently asked questions about it.
What is Voxengo CurveEQ 3.1 and what can it do?
Voxengo CurveEQ 3.1 is a spline equalizer plugin that was released in January 2022 by Voxengo, a company that specializes in professional audio plugins for music and sound production applications. Voxengo CurveEQ 3.1 is available for Windows and Mac OS X platforms, in VST, VST3, AU, and AAX plugin formats. You can download a free trial version of Voxengo CurveEQ 3.1 from the official website, or purchase the full version for $89.95 USD.
Voxengo CurveEQ 3.1 is a spline equalizer that shows you the actual filter response you are designing by means of a smooth curvy line. Unlike conventional parametric equalizers, where you have to adjust the gain, frequency, and bandwidth of each band separately, Voxengo CurveEQ 3.1 lets you draw the desired EQ curve with your mouse or use the preset curves provided by the plugin. You can also edit the curve points manually, or use the keyboard shortcuts to fine-tune the curve shape.
But Voxengo CurveEQ 3.1 is not just a spline equalizer. It also has some unique and innovative features that make it stand out from other EQ plugins. Here are some of them:
A spectrum matching technology that allows you to transfer frequency balance of one recording to another
One of the most impressive features of Voxengo CurveEQ 3.1 is its spectrum matching technology, which allows you to transfer the frequency balance of one recording to another. This can be useful for mastering purposes, when you want to make your track sound similar to a reference track, or for mixing purposes, when you want to achieve a consistent and balanced frequency spectrum across different tracks or recordings.
To use the spectrum matching feature of Voxengo CurveEQ 3.1, you need to load two instances of the plugin in your audio host application: one on the source track (the track that has the desired frequency balance) and one on the target track (the track that needs to be adjusted). Then, you need to enable the spectrum capture mode on both instances, and play back both tracks simultaneously. Voxengo CurveEQ 3.1 will analyze the frequency spectra of both tracks and display them on the plugin interface.
Next, you need to select the source track as the reference spectrum and the target track as the matching spectrum in Voxengo CurveEQ 3.1. You can also adjust the amount of matching and smoothing applied to the target track using the sliders on the plugin interface. Finally, you need to disable the spectrum capture mode on both instances and enable the spectrum matching mode on the target track instance. Voxengo CurveEQ 3.1 will apply a spline equalizer curve to the target track that matches its frequency spectrum to that of the source track.
A linear- and minimum-phase filtering modes for different applications
Voxengo CurveEQ 3.1 offers two filtering modes: linear-phase and minimum-phase. Linear-phase filtering mode preserves the phase relationships between different frequencies, which means that it does not introduce any phase distortion or pre-ringing artifacts to the sound. However, it also introduces some latency and CPU load, which may not be desirable for some applications.
Minimum-phase filtering mode does not preserve the phase relationships between different frequencies, which means that it may introduce some phase distortion or pre-ringing artifacts to the sound. However, it also reduces latency and CPU load, which may be preferable for some applications.
You can switch between linear-phase and minimum-phase filtering modes in Voxengo CurveEQ 3.1 using the buttons on the plugin interface. You can also adjust the latency compensation and oversampling settings for each mode using the drop-down menus on the plugin interface.
A freeform EQ curve drawing mode for custom filter design
Voxengo CurveEQ 3.1 also offers a freeform EQ curve drawing mode, which allows you to design your own custom filter response by drawing a curvy line with your mouse on the plugin interface. You can also edit the curve points manually, or use keyboard shortcuts to fine-tune the curve shape.
The freeform EQ curve drawing mode is useful when you want to create complex or unconventional filter shapes that are not possible with conventional parametric equalizers. For example, you can create notch filters, band-pass filters, shelf filters, resonant filters, etc., with any slope or shape you want.
A CSV file import/export for EQ curve data exchange
Voxengo CurveEQ 3.1 also supports CSV file import/export for EQ curve data exchange. This means that you can save your EQ curve settings as a CSV file on your computer, and load them later in another instance of Voxengo CurveEQ 3.1 or another audio host application that supports CSV file import/export.
This feature is useful when you want to share your EQ curve settings with other users or use them in different projects or applications. You can also use this feature to import EQ curve data from other sources, such as online databases, websites, or other plugins that provide EQ curve data in CSV format.
A real-time FFT spectrum analyzer for visual feedback
Voxengo CurveEQ 3.1 also features a real-time FFT spectrum analyzer that provides visual feedback on the frequency spectrum of the input and output signals. You can use the spectrum analyzer to monitor the effect of the EQ curve on the sound, and to compare the frequency balance of different tracks or recordings.
The spectrum analyzer can display up to 12 different spectra simultaneously, with different colors and opacity levels. You can also adjust the resolution, range, speed, and smoothing of the spectrum analyzer using the knobs on the plugin interface. You can also enable or disable the spectrum analyzer using the button on the plugin interface.
How to use Voxengo CurveEQ 3.1 in your audio production workflow?
Now that you know what Voxengo CurveEQ 3.1 can do, let's see how to use it in your audio production workflow. Here are some steps to follow:
How to install and activate Voxengo CurveEQ 3.1
To install Voxengo CurveEQ 3.1, you need to download the installer file from the official website, and run it on your computer. Follow the instructions on the screen to complete the installation process.
To activate Voxengo CurveEQ 3.1, you need to purchase a license key from the official website, and enter it in the plugin interface. You can also use the free trial version of Voxengo CurveEQ 3.1 for 14 days without a license key, but with some limitations.
How to load Voxengo CurveEQ 3.1 in your audio host application
To load Voxengo CurveEQ 3.1 in your audio host application, you need to locate it in your plugin list and insert it on the track or bus that you want to process with it. The exact procedure may vary depending on your audio host application, but generally, you need to follow these steps:
- Open your audio host application and create a new project or open an existing one. - Add a new track or bus, or select an existing one that you want to process with Voxengo CurveEQ 3.1. - Open the plugin list and find Voxengo CurveEQ 3.1 under the EQ category. - Drag and drop Voxengo CurveEQ 3.1 onto the track or bus, or double-click on it to insert it. - A new window will pop up with the plugin interface of Voxengo CurveEQ 3.1. How to adjust the basic parameters of Voxengo CurveEQ 3.1
To adjust the basic parameters of Voxengo CurveEQ 3.1, you need to use the controls on the plugin interface. Here are some of them:
- The Gain knob allows you to adjust the overall gain of the output signal. - The Bypass button allows you to bypass the plugin processing and compare the input and output signals. - The Preset menu allows you to select from a list of preset EQ curves for different instruments, genres, or applications. - The Mode buttons allow you to switch between linear-phase and minimum-phase filtering modes. - The Latency menu allows you to adjust the latency compensation for linear-phase filtering mode. - The Oversampling menu allows you to adjust the oversampling factor for minimum-phase filtering mode. - The Curve buttons allow you to switch between spline equalizer mode and freeform EQ curve drawing mode. - The Spectrum Capture button allows you to enable or disable the spectrum capture mode for spectrum matching feature. - The Spectrum Matching button allows you to enable or disable the spectrum matching mode for the target track instance. - The Reference and Matching menus allow you to select the source and target tracks for spectrum matching feature. - The Match and Smooth sliders allow you to adjust the amount of matching and smoothing applied to the target track for spectrum matching feature. - The CSV Import and CSV Export buttons allow you to import or export EQ curve data in CSV format. - The Spectrum Analyzer button allows you to enable or disable the real-time FFT spectrum analyzer. - The Resolution, Range, Speed, and Smooth knobs allow you to adjust the settings of the spectrum analyzer. - The Spectrum Selector menu allows you to select which spectra to display on the spectrum analyzer. - The Spectrum Color and Spectrum Opacity sliders allow you to adjust the color and opacity of each spectrum on the spectrum analyzer. How to use the spectrum matching feature of Voxengo CurveEQ 3.1
To use the spectrum matching feature of Voxengo CurveEQ 3.1, you need to follow these steps:
- Load two instances of Voxengo CurveEQ 3.1 in your audio host application: one on the source track (the track that has the desired frequency balance) and one on the target track (the track that needs to be adjusted). - Enable the spectrum capture mode on both instances by clicking on the Spectrum Capture button on the plugin interface. - Play back both tracks simultaneously, so that Voxengo CurveEQ 3.1 can analyze their frequency spectra and display them on the plugin interface. - Select the source track as the reference spectrum and the target track as the matching spectrum in Voxengo CurveEQ 3.1 using the Reference and Matching menus on the plugin interface. - Adjust the amount of matching and smoothing applied to the target track using the Match and Smooth sliders on the plugin interface. You can also use the preset curves provided by Voxengo CurveEQ 3.1 for different genres or applications. - Disable the spectrum capture mode on both instances by clicking on the Spectrum Capture button again on the plugin interface. - Enable the spectrum matching mode on the target track instance by clicking on the Spectrum Matching button on the plugin interface. Voxengo CurveEQ 3.1 will apply a spline equalizer curve to the target track that matches its frequency spectrum to that of the source track. How to use the freeform EQ curve drawing mode of Voxengo CurveEQ 3.1
To use the freeform EQ curve drawing mode of Voxengo CurveEQ 3.1, you need to follow these steps:
- Load an instance of Voxengo CurveEQ 3.1 in your audio host application and insert it on the track or bus that you want to process with it. - Switch to freeform EQ curve drawing mode by clicking on want to process with it. - To export your EQ curve settings as a CSV file on your computer, click on the CSV Export button on the plugin interface. A dialog box will appear, where you can choose the location and name of the CSV file. The CSV file will contain the frequency and gain values of each curve point, separated by commas. - To import EQ curve data from a CSV file on your computer, click on the CSV Import button on the plugin interface. A dialog box will appear, where you can select the CSV file that you want to load. The CSV file should have the same format as the one exported by Voxengo CurveEQ 3.1, with frequency and gain values of each curve point, separated by commas. Voxengo CurveEQ 3.1 will load the EQ curve data from the CSV file and display it on the plugin interface. What are the benefits and drawbacks of Voxengo CurveEQ 3.1?
Voxengo CurveEQ 3.1 is a powerful and flexible equalizer plugin that can help you shape the sound of your tracks and achieve a balanced frequency spectrum. However, like any other plugin, it also has some benefits and drawbacks that you should be aware of before using it. Here are some of them:
The benefits of Voxengo CurveEQ 3.1
Some of the benefits of Voxengo CurveEQ 3.1 are:
- It allows you to design your own filter response by means of a smooth curvy line, which can give you more control and creativity over the sound. - It displays the spectrum of the input and output signals, so you can easily see what the EQ is doing with the sound, and compare the frequency balance of different tracks or recordings. - It offers linear- and minimum-phase filtering modes, suitable for mastering and mixing applications. Linear-phase filtering mode preserves the phase relationships between different frequencies, while minimum-phase filtering mode reduces latency and CPU load. - It implements spectrum matching technology, which can help you achieve a consistent and balanced frequency spectrum across different tracks or recordings. You can transfer the frequency balance of one recording to another, or use preset curves for different genres or applications. - It supports stereo and multi-channel processing, internal channel routing, channel grouping, mid/side processing, and undo/redo functionality, which can enhance your workflow and productivity. - It is compatible with other Voxengo plugins, such as Voxengo GlissEQ, Voxengo SPAN Plus, Voxengo BMS, Voxengo PrimeEQ, and others, which can expand your sonic possibilities and options. The drawbacks of Voxengo CurveEQ 3.1
Some of the drawbacks of Voxengo CurveEQ 3.1 are:
- It may require some learning curve and experimentation to get the best results from the spline equalizer and the spectrum matching features. You may need to adjust the curve shape, matching amount, smoothing level, latency compensation, oversampling factor, and other settings to suit your needs and preferences. - It may introduce some latency and CPU load depending on the settings and the host application. You may need to optimize your system performance and resources to avoid glitches or dropouts in your audio playback or recording. - It is not a free plugin, but it offers a free trial version and a 30-day money-back guarantee. You may need to invest some money to purchase the full version of Voxengo CurveEQ 3.1 if you want to use it without limitations or restrictions. Conclusion
Voxengo CurveEQ 3.1 is a spline equalizer plugin that allows you to design your own filter response by means of a smooth curvy line. It also displays the spectrum of the input and output signals, so you can easily see what the EQ is doing with the sound. Voxengo CurveEQ 3.1 is suitable for mastering and mixing applications, as it offers linear- and minimum-phase filtering modes, spectrum matching technology, freeform EQ curve drawing mode, CSV file import/export, real-time FFT spectrum analyzer, and more.
In this article, we have reviewed Voxengo CurveEQ 3.1 and showed you how to use it in your audio production workflow. We have also discussed the benefits and drawbacks of this plugin, and answered some frequently asked questions about it.
We hope that this article has been helpful and informative for you. If you want to try Voxengo CurveEQ 3.1 for yourself, you can download a free trial version from the official website, or purchase the full version for $89.95 USD.
FAQs
Here are some of the most common questions that users may have about Voxengo CurveEQ 3.1:
Q: What is the difference between Voxengo CurveEQ 3.1 and Voxengo GlissEQ?
A: Voxengo CurveEQ 3.1 and Voxengo GlissEQ are both spline equalizer plugins that allow you to design your own filter response by means of a smooth curvy line. However, they have some differences in their features and functionalities. Voxengo CurveEQ 3.1 focuses on spectrum matching technology, which allows you to transfer the frequency balance of one recording to another. Voxengo GlissEQ focuses on dynamic equalization, which allows you to adjust the gain of each band depending on the sound level in that frequency range.
Q: How can I get a keygen for Voxengo CurveEQ 3.1?
A: You cannot get a keygen for Voxengo CurveEQ 3.1, as it is illegal and unethical to do so. Voxengo CurveEQ 3.1 is a paid plugin that requires a license key to activate it. You can purchase a license key from the official website, or use the free trial version for 14 days without a license key, but with some limitations.
Q: How can I update Voxengo CurveEQ 3.1 to the latest version?
A: You can update Voxengo CurveEQ 3.1 to the latest version by downloading the installer file from the official website, and running it on your computer. The installer file will overwrite the previous version of Voxengo CurveEQ 3.1 with the latest one.
Q: How can I contact Voxengo for support or feedback?
A: You can contact Voxengo for support or feedback by using the contact form on their website, or by sending an email to support@voxengo.com. You can also visit their forum or their Facebook page to interact with other users and get tips and advice.
Q: What are some alternative plugins to Voxengo CurveEQ 3.1?
A: Some alternative plugins to Voxengo CurveEQ 3.1 are:
- FabFilter Pro-Q 3: A high-quality equalizer plugin that offers up to 24 bands, linear-phase and natural-phase modes, dynamic EQ, spectrum analyzer, spectrum grab, EQ match, mid/side processing, and more. - iZotope Ozone 9 EQ: A mastering equalizer plugin that offers up to eight bands, linear-phase and minimum-phase modes, dynamic EQ, spectral shaping, tonal balance control, mid/side processing, and more. - MeldaProduction MAutoDynamicEq: A dynamic equalizer plugin that offers up to six bands, linear-phase and minimum-phase modes, automatic gain compensation, spectrum analyzer, spectrum matching, freeform EQ curve dr