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Summing is the process of combining several separate audio tracks into a single stereo channel, typically using a humming mixer. This creates a single stereo mix that can be played on a speaker or headphones and provides a wider and more spacious sound experience.

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API “The Box” II

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Tube-Tech SSA 2B

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Dangerous Music 2 bus+

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Dangerous Music D-Box +


Humming is important

Humming is important in sound production because it allows different sounds from different sound sources to work together as a whole. By combining separate audio tracks, such as vocals, drums and bass, into a single stereo mix, producers and engineers can create a cohesive and balanced sound.

Humming can also help create a wider and more spacious sound experience, as sounds from different positions in the stereo field are combined. This can lead to a more dynamic and exciting listening experience for the listener.

It is important to note that a poorly executed hum can have negative consequences for the sound quality, such as phase problems or noise. Therefore, it is important to have a good understanding of the summing process and to use quality equipment to achieve a good result.

How to use Summing

Summing is typically used in studio recordings of music, where several separate audio tracks must be combined into a single stereo mix.

Humming can be used by musicians in various genres, from pop and rock to jazz and classical music. This is especially important for musicians working with multiple audio sources at the same time, such as a band recording where there are separate audio tracks for drums, bass, guitar and vocals.

Humming can be done in several ways, depending on the equipment and the desired sound. Traditionally, humming is done in a humming mixer, which takes input from several separate audio sources and mixes them together into a single stereo channel. Summing can also be done digitally using DAW software that has built-in summing functions.

Ultimately, the goal of humming is to create a coherent and balanced stereo mix that represents the sound of all the separate sound sources in the best possible way. It requires a certain degree of technical expertise and a good understanding of the various sound sources, but humming is an important part of music production that can have a big impact on the final result.

What type of Summing equipment should I use?

The choice of humming equipment depends on several factors, including budget, needs and personal preference. There are several different types of humming equipment available, and the choice depends on the desired sound and functionality.

A traditional humming mixer is a hardware device that takes input from several separate audio sources and mixes them together into a single stereo mix. This can be a good solution for musicians and producers who want an analog sound and feel more comfortable working with physical devices. A good humming mixer can be an expensive investment, but can provide a high quality sound and flexibility to adjust the sound as needed.

A digital summing solution can also be a good option, especially for those who already work with a DAW software. Many DAWs have built-in summing functions that allow the user to mix separate audio tracks together and export a stereo mix. This can be a more cost-effective solution, but it can be less flexible than a physical humming mixer.

Another option is to use a hybrid solution that combines both analogue and digital technology. This can provide a more versatile and flexible solution that can be adapted as needed.

Generally speaking, it is important to consider the specific needs and wants when choosing humming equipment, and there is no "one-size-fits-all" solution. It is always a good idea to research and test different options to find the best solution.

The most popular Summing equipment

There are many different humming devices on the market, and the most popular device depends on the specific use and personal preference. Some of the most popular humming equipment are:

API “The Box” II: The new version of The Box now has eight input channels, eight 500 Series slots and LED meters for each of the 24 humming channels. 

Dangerous Music 2-BUS+: This humming mixer is known for its sound quality and ease of use. It has a simple and intuitive layout, and can accommodate up to 16 separate sound sources.

Rupert Neve 5057 Orbit: Rupert Neve has more than six decades of experience designing mixing desks, and with the 5057 Orbit you get the legendary tone, power and wide soundstage that only Rupert Neve's class-A analog humming can deliver.

Burl B32 VANCOUVER: Based on BURL AUDIO's acclaimed discrete analog Class-A circuitry, the B32 Mix Bus utilizes both the transparency of the B26 ORCA and the switchable tonality of the new BURL AUDIO BX5 output transformer.

Tube-Tech SSA 2B: Summing amp with 10 stereo inputs (the first 2 can also be 4 mono inputs) and 23-step output gain control with gold-plated contacts.

It is important to remember that these are just some of the most popular humming devices and that there are many other options available on the market. It is always a good idea to research and test different options before deciding on the best solution for your needs and budget.

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