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Guide to Using and Singing with Vocal Synthesizer

As technology continues to advance, so does the world of music. One of the most exciting developments in recent years has been the rise of vocal synthesizers. These powerful tools allow musicians and singers to create unique and dynamic sounds that were previously impossible to achieve. But what exactly is a vocal synthesizer? How does it work? And how can you use it to enhance your singing? In this guide, we will explore the world of vocal synthesizers and provide you with all the information you need to unlock their full potential.

What is a Vocal Synthesizer?

What is a Vocal Synthesizer?
What is a Vocal Synthesizer?

A vocal synthesizer, also known as a vocoder or voice synthesizer, is an electronic musical instrument that is designed to imitate the human voice. It works by analyzing and manipulating the input sound, which can be a human voice or any other audio source, and then generating a new sound based on that analysis. This allows for a wide range of vocal effects, from subtle harmonies to robotic and alien-like sounds.

Vocal synthesizers have been around since the 1930s, but they gained popularity in the 1970s with the release of the first commercially available model, the EMS Vocoder. Since then, they have become a staple in many music genres, from pop and electronic dance music to hip-hop and even heavy metal.

How Does a Vocal Synthesizer Work?

To understand how a vocal synthesizer works, we first need to look at its components. The main parts of a vocal synthesizer are the input device, the analysis section, the synthesis section, and the output device.

Input Device

The input device is where the sound is captured and sent to the synthesizer. This can be a microphone, a musical instrument, or any other audio source. The quality of the input device can greatly affect the final sound produced by the synthesizer.

Analysis Section

Once the sound is captured, it is sent to the analysis section of the synthesizer. This is where the sound is broken down into its components, such as pitch, amplitude, and frequency. The analysis section then sends this information to the synthesis section.

Synthesis Section

The synthesis section is where the magic happens. Based on the information received from the analysis section, the synthesizer generates a new sound that mimics the characteristics of the input sound. This can be done in various ways, such as using oscillators, filters, and modulators.

Output Device

Finally, the output device is where the synthesized sound is heard. This can be speakers, headphones, or any other audio output device. The quality of the output device can also have an impact on the final sound produced by the synthesizer.

What Genres is it Typically Used For?

What Genres is it Typically Used For?
What Genres is it Typically Used For?

Vocal synthesizers are incredibly versatile instruments and can be used in a wide range of music genres. However, they are most commonly associated with electronic music, particularly in the genres of pop, dance, and hip-hop. Artists like Daft Punk, Kraftwerk, and T-Pain have all used vocal synthesizers extensively in their music.

However, vocal synthesizers are not limited to just electronic music. They have also been used in rock, metal, and even classical music. Legendary rock band Queen famously used a vocal synthesizer in their hit song “Radio Ga Ga.”

How is the Synthesizer Used?

There are several ways to use a vocal synthesizer, depending on your needs and preferences. Here are some of the most common methods:

Standalone Mode

In standalone mode, the synthesizer is used as a standalone instrument, similar to a keyboard or guitar. This means that the sound is generated solely by the synthesizer, without any external input. In this mode, you can play the synthesizer using a keyboard or other input device and create unique vocal sounds.

Input Mode

In input mode, the synthesizer takes an external audio source, such as a microphone or instrument, and uses that as the input for generating the synthesized sound. This allows for real-time manipulation of the input sound, creating interesting and dynamic effects.


MIDI (Musical Instrument Digital Interface) is a protocol that allows electronic musical instruments to communicate with each other. In MIDI mode, the synthesizer can be controlled by an external MIDI controller, such as a keyboard or drum pad. This allows for more precise control over the sound generated by the synthesizer.

Fun Facts about Synthesizers

  • The first vocal synthesizer was invented in 1938 by Homer Dudley, an engineer at Bell Labs.
  • The vocoder, a type of vocal synthesizer, was originally developed for military use during World War II to encrypt voice communications.
  • The iconic “robot voice” effect in the song “Intergalactic” by the Beastie Boys was created using a vocal synthesizer.
  • The popular Auto-Tune effect, used to correct pitch in vocals, is a form of vocal synthesis.
  • The world’s largest vocal synthesizer, called the Vocaloid, is a virtual singer created by Yamaha Corporation.

Tips for Singing with a Synthesizer

Tips for Singing with a Synthesizer
Tips for Singing with a Synthesizer

Now that you know what a vocal synthesizer is and how it works, let’s look at some tips for singing with one:

Experiment with Different Settings

Vocal synthesizers offer a wide range of settings and parameters that can drastically change the sound produced. Don’t be afraid to experiment with different settings to find the sound that best suits your voice and style.

Practice Your Timing

Singing with a vocal synthesizer requires good timing, as the synthesizer will only produce sound when you are singing or making noise into the microphone. Practice your timing to ensure that your vocals and the synthesized sound are in sync.

Use Effects Sparingly

While it can be tempting to use every effect and setting available on a vocal synthesizer, sometimes less is more. Use effects sparingly to avoid overwhelming or distracting from your vocals.


Vocal synthesizers are powerful tools that can enhance your singing and add a unique touch to your music. Whether you are a professional musician or just starting, incorporating a vocal synthesizer into your music can open up a whole new world of possibilities. So go ahead and experiment with different settings, practice your timing, and have fun creating unique and dynamic sounds with your vocal synthesizer.



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