After discussing speakers and monitors, today at EUMES we want to explain everything you need to know before purchasing an audio interface.. Whether you are performing a sound course as if you are starting your own home studio, understanding which interface you need will help you make the best decision.
What is a sound card?
A sound card, also known as an audio interface, is an essential device that converts analog signals (such as those from a microphone, electric guitar or analog synthesizer) into digital signals so that you can work with them comfortably within your DAW (Ableton Live, Logic Pro, FL Studio, etc.).
The conversion quality will depend mainly on:
- Microphone preamps
- Analog-to-digital converters (A/D)
These elements determine the fidelity with which you will capture your recordings, and are usually directly related to the price of the interface.
Which interface should I buy?
The answer depends on the type of production you do. Before choosing, ask yourself these questions:
- Do you need to record vocals or instruments often?
- Do you have a band and want to record multiple instruments simultaneously?
- Does your studio have external hardware (synthesizers, compressors, processors)?
- Will you produce mainly electronic or acoustic music?
These answers will define the number of inputs and outputs you need.
What characteristics should I look for?
Inputs and outputs (I/O = inputs / outputs)
- 2In/2Out: Ideal for electronic music producers or people who only occasionally record vocals or instruments.
- 4In/4Out or higher: Recommended if you plan to expand your studio or record several instruments at the same time.
Microphone preamps
If you plan to record bands or acoustic instruments, prioritize cards with multiple quality preamps. If you’ll only be recording vocals, it may be worth investing in a dedicated, high-end external preamp.
Digital inputs and outputs
Cards with digital connectivity (such as ADAT or SPDIF) allow you to easily expand the inputs using external preamps, reaching up to 16 or more simultaneous inputs.
Connectivity
Currently, we recommend choosing cards with USB-C or Thunderbolt connections, as they provide more speed and compatibility with new computers.
Does the quality of the sound card influence exporting my music?
It is important to clarify that no, the card does not affect the quality of the audio exported directly from the DAW.. But it does affect:
- The quality of your initial recordings (analog to digital conversion).
- The precision and quality with which you hear your music during mixing and mastering (digital to analog conversion).
In short, a quality interface will significantly improve the accuracy with which you work in the studio.
Interfaces with DSP in real time: Are they worth it?
Interfaces with DSP (Digital Signal Processing) offer internal real-time processing. This means you can apply effects like EQ, compression or reverb without loading your computer, something very valuable both in the studio and live to monitor effects with minimal latency.
Cards with real-time DSP: Are they worth it?
Cards with DSP (Digital Signal Processing) offer real-time internal processing. This means you can apply effects like EQ, compression, or reverb without loading your computer, which is very valuable both in the studio and live for monitoring effects with minimal latency.
Examples of recommended DSP interfaces:
- Universal Audio Apollo (Twin, x4, x6, x8):
- Excellent quality of preamps and converters.
- Internal DSP for using UAD plugins in real time, both in recording and live.
- Antelope Audio Zen (Quadro, Tour):
- Very high conversion quality.
- Integrated DSP with ultra-low latency
These cards are perfect if you are looking for professional quality, stability and versatility in both the studio and live performances.
Recommendations by range
High-end
- Universal Audio Apollo
- RME Fireface
- Antelope Audio Zen
- Apogee Symphony
Mid-range
- MOTU UltraLite / M Series
- Focusrite Scarlett / Clarett
- Hearing iD14 / iD22
- Presonus Studio
Conclusion
If you are studying or want to delve deeper into these concepts, remember that at EUMES we have our sound course , especially focused on mixing, mastering and everything related to professional audio.
We hope this guide has cleared up any doubts you may have about choosing the most suitable audio interface for you.
Ready to become a music industry professional?
Arnau Sala
Arnau Sala is one of the co-founders of the EUMES school, where he also serves as academic coordinator.
As a music producer he has worked for years in the audiovisual world, always combining it with the creation of his electronic music themes and his DJ career
