Why are digital converters the most important part of your studio?

Why are digital converters the most important part of your studio? · Source: RME

There is a wealth of information about digital converters available online, but only a small portion contains practical knowledge that you can use to your benefit. We’re going to take a closer look at AD/DA conversion and find out more about why it's so crucial in the recording process.

We’ll discuss some key aspects of conversion within the context of your audio workflow and include some resources for those who want to delve deeper into the theoretical background from the perspective of data encoding or electronics.

In high-end professional studios, engineers often make use of multiple converters for different tasks and workflows. In some cases, they might use a separate multichannel AD converter for tracking, another multichannel DA converter for mixing, a stereo DA converter for monitoring, and a further stereo AD converter for printing mixes.

However, most of us work almost entirely in the box and have only ever used conversion stages out of pure necessity. As great as the audio quality is of current DAWs and plug-ins, if you’re looking to incorporate outboard gear into your workflow then the quality of your AD/DA conversion stages matters.

Converter resolution determines the dynamic range of the signal being digitized. We refer to this in bits at the smallest incremental voltage that can be recognized from any changes in the output signal.

The sample rate of a digital system is the measurement of samples per second. If you’re using several digital devices with your DAW, one of these must act as the master clock to send sync to the rest of the chain and insure the sample rates are aligned.

Although most audio interfaces are equipped with internal clocking, you’ll require one with BNC and a digital port (see Digital formats and protocols) to expand your system with more channels.

Apogee converters were extremely popular in the 1990s.

While you can sync multiple devices to a single sample rate, only one can act as the master clock at any given time. Some devices offer more stable clocking than others, so use this to your advantage to get the best results.

Another aspect of digital clocking to consider with converters is Jitter. The higher the sample rate you’re working at, the more potential there is for sync errors to creep in between the devices in the clocking chain.

High-end converters offer extremely stable clocking solutions with ultra-low Jitter, enabling high-res conversion without the potential of the devices in the chain going out of sync.

Converters come in all shapes and sizes. From stereo to multichannel systems, they are designed for different purposes. Let's take a quick look a some of the available formats you’ll find and what they’re used for:

A tip to remember when researching AD/DA converters and audio interfaces is that the best options are generally produced by specialist manufacturers. Brands like Apogee, RME, Ferrofish, Metric Halo, Lynx, Antelope Audio, Benchmark, Lavry, Prism, and Burl are mostly known for producing quality AD/DA converters rather than other audio equipment.

That's not to say you can't get great solutions from Avid, SSL, Neve, Crane Song, Rupert Neve Designs, Universal Audio, or Focusrite. However, companies that specialize in converter technology generally offer better support, firmware/drivers, integration, and compatibility. This is because they have years of R&D and market experience behind them as opposed to those with recently diversified product ranges.

A high-end modular AD/DA rig at Haxton Road Studios

How do you use AD/DA conversion creatively in your workflow? Please let us know in the comments below!

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How do you like this post?

In a way they are… but it's also the component with the worst improvement per dollar in the entire studio.

Entry level converters are perfectly capable, and beginners/intermediate user shouldn't spend thousands of dollars on a new one. They just won't notice any difference

nice Article

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