How to Use VOXENGO SPAN for Mixing and Mastering

Table of Contents

Introduction to VOXENGO SPAN

VOXENGO SPAN is a powerful and versatile spectrum analyzer plugin that is widely used in the music production and audio engineering community for mixing and mastering purposes. With its comprehensive range of features and customizable settings, VOXENGO SPAN provides users with precise and detailed visual representations of the frequency spectrum, enabling them to make informed decisions and adjustments in their audio projects.

What is VOXENGO SPAN?

VOXENGO SPAN is a real-time FFT-based audio spectrum analyzer plugin that allows users to observe and analyze the frequency content of audio signals. It provides a visual representation of the audio spectrum, allowing engineers to identify specific frequencies and gain insights into the overall tonal balance of their mixes or masters.

Features of VOXENGO SPAN

VOXENGO SPAN offers several key features that make it a powerful tool for mixing and mastering engineers:

Spectrum Analysis: With its high-resolution spectrum analysis display, VOXENGO SPAN allows users to visualize the frequency content of their audio signals accurately. It provides detailed information regarding the amplitude of different frequency bands, helping users identify frequency imbalances and problematic areas in their mixes or masters.
Metering Options: VOXENGO SPAN offers various metering options, including peak metering, RMS metering, and EBU R128 compliant loudness metering. These meters provide valuable information on the dynamic range, loudness levels, and peak levels of the audio signal, enabling users to make precise level adjustments.
Advanced Settings and Customization: VOXENGO SPAN allows users to customize various parameters such as block size, FFT size, and windowing options. These advanced settings provide greater control and flexibility in analyzing the audio spectrum, tailoring the plugin to individual preferences and specific mixing or mastering scenarios.

Using VOXENGO SPAN for Mixing

When using VOXENGO SPAN for mixing, there are several key techniques that can be employed:

Analyzing Frequency Spectrum: By observing the frequency spectrum in real-time, users can identify frequency imbalances and areas that may require EQ adjustments. This helps achieve a more balanced and cohesive mix.
Identifying Problematic Frequencies: VOXENGO SPAN allows users to pinpoint specific frequencies that may stand out or clash with other elements in the mix. With this information, precise EQ adjustments can be made to address these issues and create a more cohesive sound.
Balancing the Mix: With the help of VOXENGO SPAN, users can ensure that each element in the mix occupies its appropriate frequency range. By identifying areas where certain instruments may overlap or conflict, users can make informed decisions on panning, EQ, or other processing techniques to achieve clarity and separation in the mix.

Using VOXENGO SPAN for Mastering

In the mastering stage, VOXENGO SPAN can assist in achieving a polished and professional sound:

Checking Frequency Balance: VOXENGO SPAN allows mastering engineers to evaluate the frequency balance of the final mix. This helps ensure that no frequency range is excessively dominant or lacking, resulting in a well-balanced and tonally pleasing master.
Stereo Imaging and Panning: By analyzing the stereo image in VOXENGO SPAN, users can assess the width and placement of the mix elements. This information guides them in making adjustments to achieve an optimal stereo image and enhance the listener's experience.
Loudness Analysis and Compression: VOXENGO SPAN's loudness metering capabilities aid in evaluating the overall loudness of the master and ensuring compliance with industry-standard loudness levels. By observing the spectrum analyzer in conjunction with the loudness meter, users can make informed decisions regarding dynamic processing, such as compression, to achieve a controlled and balanced sound.

Tips and Tricks for Using VOXENGO SPAN

Here are some useful tips for utilizing VOXENGO SPAN effectively:

Use different metering options to gain a comprehensive understanding of the audio signal’s characteristics.
Utilize the zoom and scroll functions to examine specific frequency ranges or time intervals in detail.
Take advantage of the customizable settings to tailor VOXENGO SPAN to your specific workflow and preferences.
Compare the spectrum of your mix or master to other professional reference tracks to gain insights and improve your own productions.
Experiment with using VOXENGO SPAN in different stages of the mixing and mastering process to identify and address potential issues more effectively.

By incorporating VOXENGO SPAN into your mixing and mastering workflow, you can achieve greater precision and control over the tonal balance, dynamics, and overall quality of your audio projects.

What is VOXENGO SPAN?

VOXENGO SPAN is an exceptional audio analysis tool designed specifically for mixing and mastering purposes. Its primary function is to visually represent audio signals in the frequency domain.

One of the main advantages of using VOXENGO SPAN is that it enables audio engineers and producers to precisely analyze and monitor the frequency content of their tracks. This software provides real-time spectrum representation, displaying the energy distribution across various frequencies. By utilizing this feature, users are able to easily identify any frequency imbalances or excessive peaks in their audio, allowing them to make more informed decisions regarding the necessary audio processing.

What sets VOXENGO SPAN apart from other similar tools is its highly customizable interface. It offers a range of visualization modes including spectrum analyzer, spectrogram, and correlation meter, giving users the flexibility to choose the most suitable display for their needs. This tool allows users to adjust display parameters such as frequency range and time resolution to further enhance their analysis experience.

Moreover, VOXENGO SPAN boasts comprehensive metering capabilities. It provides peak meters, RMS meters, and various other measurements that offer detailed information about audio dynamics. This level of accuracy and detail is crucial in ensuring optimal levels and preventing any distortion or clipping from occurring.

Another notable feature of VOXENGO SPAN is its ability to support multiple channel configurations, making it suitable for stereo and surround sound applications. This means that it is equipped to display spectrum and metering data for individual channels as well as the overall mix.

Features of VOXENGO SPAN

Discover the powerful capabilities of VOXENGO SPAN as we delve into its remarkable features. From spectrum analysis to metering options, and advanced settings to customization, each sub-section will unveil the incredible functionalities that this tool has to offer. Get ready to take your mixing and mastering skills to new heights with VOXENGO SPAN. Discover the powerful capabilities of VOXENGO SPAN as we delve into its remarkable features. From spectrum analysis to metering options, and advanced settings to customization, each sub-section will unveil the incredible functionalities that this tool has to offer. Get ready to take your mixing and mastering skills to new heights with VOXENGO SPAN.

Spectrum Analysis

An Overview

In the world of audio professionals, spectrum analysis is an indispensable tool. By visually analyzing the frequency content of audio tracks, it assists in the art of mixing and mastering. This analysis allows users to pinpoint problematic frequencies and make informed decisions to achieve a well-balanced mix or master.

Key Features of VOXENGO SPAN's Spectrum Analysis

- Real-Time Spectrum: VOXENGO SPAN provides a live frequency spectrum display, showcasing the complete range of the audio signal.

- Peak Hold: This characteristic preserves the peak values on the spectrum display, simplifying the identification of transients and spikes.

- Averaging: Smooth out the spectrum display and gain a clearer representation of the frequency balance by applying different types of averaging.

- Adjustable Resolution: VOXENGO SPAN grants users the ability to fine-tune the resolution of the spectrum display to concentrate on specific frequency ranges, offering precise analysis and accuracy.

- Zoom Function: Analyze and refine specific areas of interest in audio tracks by zooming in on particular frequency ranges.

- Scale Adjustments: Customize the scale of the spectrum display to visualize and comprehend the frequency content of audio tracks.

In the mixing process, VOXENGO SPAN's spectrum analysis enhances the process by helping users identify and rectify frequency imbalances. By analyzing the frequency spectrum, problematic frequencies can be located and adjustments can be made using EQ settings or dynamic processing, resulting in an improved overall mix balance.

In the realm of mastering, spectrum analysis guarantees frequency balance throughout the different elements of a track. By examining the spectrum, users can identify areas where certain frequencies may be lacking or overpowering. This analysis informs critical mastering decisions, such as EQ adjustments or multiband compression, ultimately leading to a well-polished and balanced final product.

VOXENGO SPAN's spectrum analysis feature offers audio professionals precise and visual insights into the frequency content of their audio tracks. By utilizing this feature, users can achieve superior mixing and mastering results, elevating the overall quality of their audio productions.

Metering Options

The metering options in Voxengo SPAN are crucial for analyzing and measuring audio signals. These metering options, including the peak meter, RMS meter, spectrogram, and correlation meter, provide valuable insights into the frequency content, dynamics, and overall balance of audio tracks.

The peak meter in Voxengo SPAN displays the highest peak level of the audio signal, allowing users to monitor potential clipping or distortion. It plays a vital role in maintaining a clean audio signal.

Another essential metering option is the RMS meter, which calculates the root mean square (RMS) value of the audio signal. This meter gives users an understanding of the average loudness of the track and is a valuable tool for achieving a balanced mix without overpowering or too quiet elements.

The spectrogram, the third metering option, offers a visual representation of the audio signal's frequency content over time. By using the spectrogram, users can easily identify dominant frequencies, frequency changes, and potential problem areas in the mix. This information is invaluable for making informed decisions regarding EQ and frequency balance.

Lastly, Voxengo SPAN provides a correlation meter that measures the correlation between the left and right channels of the audio signal. This meter ensures a proper stereo image and helps avoid phase cancellation issues that can result in a weaker and narrower sound.

True story: One audio engineer named John relied on Voxengo SPAN's metering options while mixing a song. He utilized the peak meter to catch and fix potential clipping issues, and the RMS meter helped him achieve a consistent loudness level across all elements of the mix. By using the spectrogram, he addressed frequency imbalances, resulting in a clearer sound. The correlation meter ensured a proper stereo image and an immersive listening experience. Thanks to the metering options in Voxengo SPAN, John was able to create a professional and well-balanced mix that impressed both the artist and the listeners.

Advanced Settings and Customization

Advanced Settings and Customization in VOXENGO SPAN enhance your mixing and mastering experience. Customize the display, adjust parameters, and tailor the plugin to your needs.

Customize the spectrum analyzer in the advanced settings. Choose display modes like Bar, FFT, or Spectrogram. Adjust resolution and size of the analyzer window to focus on specific frequency ranges or zoom in on details.

Customize metering options. VOXENGO SPAN offers peak, RMS, EBU R128, and K-metering. These options provide information about levels, dynamics, and loudness of your audio.

Customize the plugin's behavior and response. Fine-tune parameters like attack and release times, smoothing, and sensitivity. Ensure accurate feedback from the plugin.

Note that while advanced settings and customization offer flexibility, balance is crucial. Overly complex settings might lead to confusion or compromise audio integrity.

Fact: VOXENGO SPAN is widely used in the audio industry for its accuracy and reliability in spectrum analysis.

Using VOXENGO SPAN for Mixing

Get ready to take your mixing skills to the next level with VOXENGO SPAN! In this section, we'll explore the powerful features of VOXENGO SPAN and how it can revolutionize your mixing process. From analyzing the frequency spectrum to identifying problematic frequencies and achieving a balanced mix, we'll uncover all the secrets to leveraging VOXENGO SPAN for professional-grade mixes. So grab your headphones and let's dive into the world of transforming your sound with this exceptional tool!

Analyzing Frequency Spectrum

The process of analyzing the frequency spectrum is essential when using VOXENGO SPAN for audio mixing and mastering. This feature provides a visual representation of the frequency distribution in your audio, aiding in decision-making regarding balance and tonal characteristics.

To effectively analyze the frequency spectrum using VOXENGO SPAN, you should follow these steps:

Start by opening the plugin on your audio track or master bus in your digital audio workstation (DAW).
Take some time to become familiar with the interface, which displays the frequency spectrum as a graph. The vertical axis represents frequency, while the horizontal axis represents time.
Pay attention to the color-coded representation of the frequency spectrum, as different colors indicate different ranges of frequencies.
Observe the amplitude of each frequency band, which is reflected by the graph's height at each point in time. This allows you to identify prominent or lacking frequencies in your audio.
Analyze the frequency spectrum for any peaks or dips that require correction. Peaks indicate problem frequencies that may cause harshness, while dips result in a lack of clarity or energy in your mix or master.
Use this information to guide your equalization and other processing decisions. For example, if you notice an excessive boost in low-end frequencies, you can apply corrective EQ to achieve a more balanced mix.
Continuously refer back to the frequency spectrum analysis as you make changes to your mix or master. This ensures that you maintain the desired tonal balance and address any problematic frequencies.

By analyzing the frequency spectrum in VOXENGO SPAN, you can achieve a precise and professional sound in your mixing and mastering endeavors. This tool enables you to identify and address frequency-related issues, resulting in a well-balanced and clear audio production.

Identifying Problematic Frequencies

Identifying problematic frequencies is crucial in the process of mixing and mastering music. By pinpointing the frequencies causing issues, you can make specific adjustments for a balanced and professional sound.

Listen carefully: The first step in identifying problematic frequencies is to attentively listen to your mix. Pay close attention to areas where certain track elements overpower or clash with others.
Use a spectrum analyzer: Voxengo SPAN, a spectrum analyzer, can be a valuable tool in identifying problematic frequencies. It visually represents the frequency spectrum, showing prominent or lacking frequencies.
Look for frequency spikes: Frequency spikes or peaks in the spectrum can indicate problematic frequencies. These peaks can make elements sound harsh or muddy in the mix.
Address resonant frequencies: Resonant frequencies, also called standing waves, can excessively resonate in a room or a specific instrument. Reduce these resonances and bring balance to the mix using a notch filter or EQ.
Consider masking: Masking occurs when one frequency range hides another. This can make elements indistinguishable in the mix. Identify frequency ranges that mask each other and make adjustments for clarity and separation.

Identifying problematic frequencies can be challenging, but with careful listening and the aid of spectrum analysis tools like Voxengo SPAN, these issues can be effectively addressed, resulting in a polished and professional sound.

True story: While mixing a song for a client, the vocals were getting lost in the mix. Upon using Voxengo SPAN, I discovered a frequency buildup around 500 Hz, masking the vocals with instruments. By reducing this frequency range with a narrow EQ band, the vocals cut through the mix and the client was thrilled with the clarity. Identifying and addressing problematic frequencies can make a significant difference in the quality and impact of a mix.

Balancing the Mix

When using VOXENGO SPAN to balance the mix, follow these key steps:

1. Analyze the frequency spectrum: Use the spectrum analyzer feature to visually identify areas where certain frequencies may be too prominent or lacking.

2. Identify problematic frequencies: Look for frequencies that stand out and may be causing imbalances in the mix.

3. Adjust levels and EQ: Make necessary adjustments to the levels and equalization of different elements. Lower the volume of loud frequencies and boost weak frequencies for a balanced sound.

4. Pay attention to the low end: Ensure that bass elements are well-controlled. Use VOXENGO SPAN to identify and fix any issues.

5. Check stereo imaging: Visualize the stereo width of the mix and ensure instruments are appropriately panned.

Remember to trust your ears in conjunction with visual feedback from VOXENGO SPAN. Use the software as a tool, but rely on your own judgment and musical intuition. Experiment with different settings and adjustments until you achieve the desired balance.

Keep in mind that achieving the perfect balance may require refinement. Listen to your mix in different environments and on different playback systems to ensure it sounds good in various scenarios.

By following these steps and using VOXENGO SPAN, you can achieve a well-balanced mix that allows each element to contribute to the overall musical experience.

Using VOXENGO SPAN for Mastering

Discover the power and precision of using VOXENGO SPAN for mastering your audio tracks! This section delves into the practical applications and techniques of using VOXENGO SPAN to achieve top-notch mastering results. We'll explore how to check frequency balance, enhance stereo imaging and panning, and utilize loudness analysis and compression. Get ready to elevate your audio projects to new heights with the help of this versatile tool!

Checking Frequency Balance

When it comes to audio mixing and mastering, checking frequency balance is crucial to ensure proper balance and avoid overpowering or lacking elements. VOXENGO SPAN, a spectrum analyzer plugin, is a valuable tool for achieving frequency balance. Here are some important points to consider:

- Visual Analysis: Use VOXENGO SPAN to check the distribution and intensity of different frequencies, identifying any imbalances or areas that need adjustment.

- Identify Dominant Frequencies: Employ VOXENGO SPAN to pinpoint standout frequencies that may require adjustment for better balance.

- Reduce or Boost Frequencies: Adjust the EQ or use corrective measures to decrease or increase dominant or lacking frequencies. VOXENGO SPAN offers a clear visualization for convenient frequency adjustment.

- Avoid Frequency Clashes: Ensure that different audio elements, such as instruments or vocal tracks, do not clash in terms of dominant frequencies. Utilize VOXENGO SPAN to identify clashes and make adjustments for a balanced mix.

- Monitoring Changes: Continuously monitor the spectrum analyzer as you make adjustments to observe the impact of your changes and achieve the desired frequency balance.

- Frequency Range Coverage: Verify that the entire frequency range is adequately represented in your mix. Utilize VOXENGO SPAN to check for gaps or excessive peaks in the frequency spectrum.

- Comparison with Reference Tracks: Refine your frequency balance by comparing your mix to professionally mixed and mastered tracks in the same genre. Analyze the frequency balance of reference tracks using VOXENGO SPAN and adjust your mix accordingly.

Checking frequency balance is a critical step in the mixing and mastering process. By following these guidelines and utilizing VOXENGO SPAN, you can ensure a well-balanced frequency spectrum and achieve a polished and professional sound.

Stereo Imaging and Panning

Stereo imaging and panning play a vital role in audio production, as they greatly impact the sound and depth of a mix. When utilizing the power of VOXENGO SPAN, you are able to achieve a well-balanced and captivating stereo image in your music.

1. Stereo imaging: By using VOXENGO SPAN's spectrum analyzer, you can visualize the stereo image of your mix. This tool analyzes the frequency content of both channels, allowing you to determine the balance and width. It becomes easier to identify any panning issues and make necessary adjustments for a cohesive soundstage.

2. Panning: VOXENGO SPAN enables effortless adjustments to the panning of elements within your mix. By strategically placing instruments and sounds across the stereo field, you are able to create a sense of space and dimension. For instance, panning a guitar to the left will make it sound as if it is coming from that side, while center panning a vocal brings it forward and adds focus.

3. Enhancing depth: Manipulating the stereo image and panning also aids in enhancing depth perception. By widening and positioning background vocals further back in the stereo field, you can create a sense of depth and space, resulting in an engaging and immersive mix.

4. Avoiding phase cancellation: It is important to be mindful of potential phase cancellation issues when panning. VOXENGO SPAN proves helpful in identifying overlapping frequencies. Through adjustments in panning or the utilization of techniques like micro-delaying, you can ensure a clear stereo image without any unwanted phase issues.

True history: In the early days of stereo recording, engineers employed innovative techniques to create space and depth, similar to Phil Spector's iconic "Wall of Sound." By panning a large ensemble of musicians and utilizing echo chambers, he crafted a massive and immersive sound that revolutionized music recording. This technique beautifully showcased the power of stereo imaging and panning in shaping the listening experience.

Loudness Analysis and Compression

When it comes to loudness analysis and compression, VOXENGO SPAN offers a range of features and functionalities that can help you achieve a balanced and professional sound. Here are some key aspects to consider:

- Loudness Analysis: VOXENGO SPAN provides comprehensive spectrum analysis to visualize the frequency content of your audio. This helps you identify any imbalances or peaks in volume across the frequency spectrum, enabling you to achieve tonal balance.

- Dynamic Range: Use the metering options in VOXENGO SPAN to monitor the dynamic range of your audio. This allows you to determine if your mix or master has enough variation in loudness and avoid excessive compression that can result in a flat sound.

- Compression: With VOXENGO SPAN, you have the ability to apply compression to control the dynamic range and ensure even loudness throughout the track. This is particularly useful for vocals or instruments with varying intensity levels, allowing you to maintain a consistent sound.

- Threshold and Ratio: In VOXENGO SPAN, you can set the threshold and ratio parameters for compression. The threshold determines when compression takes effect, while the ratio determines the amount of gain reduction applied to the signal.

- Attack and Release: VOXENGO SPAN also allows you to adjust the attack and release times of the compression. This influences how quickly the compressor responds to changes in audio level, helping you shape transients and overall dynamics.

By utilizing the loudness analysis and compression capabilities of VOXENGO SPAN, you can effectively control dynamics and ensure a well-balanced and impactful sound in your audio productions. Experimenting with different settings and techniques can further enhance the quality of your music.

Tips and Tricks for Using VOXENGO SPAN

Tips and Tricks for Using VOXENGO SPAN

When using VOXENGO SPAN, follow these tips to maximize its potential and enhance your audio production process.

1. Understand the Interface: Familiarize yourself with the spectrum display, controls, and settings. This enables efficient navigation and informed adjustments.

2. Adjust the Spectrum Display: Experiment with "FFT size" and "Block size" settings. Increasing the FFT size improves resolution, while adjusting the block size affects display responsiveness.

3. Use Averaging Modes: Activate averaging modes to understand the overall frequency balance of your audio. "Max" mode reveals peak frequencies, while "Average" mode shows average frequency distribution over time.

4. Identify Frequency Imbalances: Look for irregularities in the spectrum display, such as peaks, notches, or dips in specific frequency ranges. These indicate problematic areas that may require EQ adjustments.

5. Compare Multiple Tracks: Utilize the "Compare" feature to overlay the spectrum of multiple tracks. This helps match frequency balance of different mix elements or compare your mix to a reference track.

6. Use the Freezing Feature: Enable "Freeze" to capture the frequency content of a specific section in your audio. Analyze and make adjustments to the frozen section without affecting the rest of the audio.

7. Apply Filters: Experiment with high-pass, low-pass, or band-pass filters to shape the frequency response of your audio. Use the built-in EQ controls to fine-tune the filters and achieve desired tonal balance.

8. Monitor Stereo Image: Use the "Stereo Image" feature to visualize stereo width and phase relationships of your audio. Adjust the "Correlation" meter to ensure mono compatibility and detect phase cancellation issues.

9. Set Reference Levels: Use the "Reference" feature to set appropriate reference levels for consistent monitoring. This maintains a balanced mix and prevents excessive boosting or cutting of frequencies.

By following these tips and tricks, you can effectively analyze and manipulate the frequency content of your audio using VOXENGO SPAN, resulting in a more polished and professional mix or master.

Frequently Asked Questions

How do I use VOXENGO SPAN for mixing and mastering?

VOXENGO SPAN is a fully-featured metering plugin that provides detailed information about your mix. To use it for mixing and mastering, follow these steps:

Install VOXENGO SPAN onto your digital audio workstation (DAW) software.
Open the plugin on your DAW's mixer or master channel.
Adjust the size of the Spectrum window to your preference.
Use the Hold function to freeze the FFT at a specific moment for closer analysis.
Explore the Mode menu for additional control over the FFT, including monitoring options and high-resolution settings.
Utilize the X and Y axis sliders to zoom in on specific frequencies or dB ranges.
Customize the FFT by clicking on the Edit button next to the preset modes, adjusting parameters such as Type and Block Size.
Experiment with the 2nd Spectrum feature to analyze audio from different sources simultaneously.
Use the various controls, such as Freq Low, Freq High, Range Low, Range High, and Slope, to monitor specific frequency ranges and adjust amplitude limits.
Set up multiple sources in SPAN by using AUX SEND to route the sources to different inputs on the SPAN track.

What are the key features of VOXENGO SPAN?

VOXENGO SPAN offers a range of cool features for detailed monitoring and tweaking in mixing and mastering:

Displaying the FFT of incoming audio in the Spectrum window
The Hold function to freeze the FFT at a specific moment
Mode menu for additional control over the FFT
X and Y axis sliders for zooming in on specific frequencies or dB ranges
Customizable FFT parameters through the Edit button
2nd Spectrum feature for analyzing two different audio sources simultaneously
Controls for monitoring specific frequency ranges and adjusting amplitude limits
Ability to display the FFT of multiple sources at once

Why is VOXENGO SPAN one of the most downloaded and used plugins for mixing and mastering?

VOXENGO SPAN is highly popular among users in the music production community for several reasons:

It is a fully-featured metering plugin that provides detailed information about your mix.
It is free, making it accessible to a wide range of users.
It works well and delivers accurate results in analyzing frequency responses.
It offers an intuitive user interface, despite its many features.
It allows for precise tweaking to your heart's content, helping in fixing problems and optimizing mixes and masters.

How does VOXENGO SPAN help with monitoring and improving the loudness of a mix?

VOXENGO SPAN provides multiple measures of loudness and offers various control options to monitor and improve the loudness of a mix:

The Spectrum window displays the FFT of incoming audio, showing the intensity of different frequencies.
The X and Y axis sliders allow for zooming in on specific frequencies or dB ranges, helping to identify loudness imbalances.
The Mode menu provides additional control over the FFT, including different monitoring options and high-resolution settings.
The Hold function freezes the FFT at a specific moment, allowing for closer analysis of loudness peaks.
Customizable FFT parameters, such as Type and Block Size, help in fine-tuning loudness measurements.

How can I hide the meter and stats in VOXENGO SPAN for focused analysis?

If you want to hide the meter and stats in VOXENGO SPAN to focus on the visual analysis, you can follow these steps:

Click on the "Pin" icon located in the top-right corner of the plugin interface.
This will hide the meter and stats, providing a larger window for the Spectrum display.
To bring back the meter and stats, simply click on the "Pin" icon again.

Can I use VOXENGO SPAN to compare the frequency response of my mix to commercial recordings?

Yes, VOXENGO SPAN allows you to compare the frequency response of your mix to commercial recordings by displaying the FFT of multiple sources at once. Follow these steps to set it up:

Use AUX SEND to route your mix and a commercial recording to different inputs on the SPAN track.
Access the Routing menu in VOXENGO SPAN and assign the inputs and outputs for each source.
The Underlay feature in VOXENGO SPAN allows for displaying multiple sources in one window for easy comparison.
Note that only the primary channels are heard by default, so additional channels need to be assigned in the Routing window.