Elliot Kim
Sound cards and DACs (digital-to-analog converters) are both used to improve the sound quality of computers, but they have different advantages and use cases. Sound cards are internal expansion cards that plug into a computer's PCIe slot on the motherboard, while external DACs sit outside the computer case and can be connected via USB. While sound cards used to be popular, they have lost favour due to the inconvenience of installation and potential electrical noise issues. External DACs, on the other hand, offer improved sound quality by reducing electrical interference from the motherboard and are more accessible and versatile. However, some argue that modern motherboards have improved sound quality, reducing the need for additional sound equipment. This comparison raises the question: are computer sound cards DAC-compatible, and if so, which option is preferable for specific use cases?
| Characteristics | Values |
|---|---|
| Sound Cards | Internal sound cards that plug into a computer's PCIe slot on the motherboard |
| DAC | External devices that sit outside the computer case and don't use PCIe lanes on the motherboard |
| Sound Card Advantages | More hardware/software features like surround sound (Dolby, THX, etc.); good option if you don't want another device taking up a USB port |
| DAC Advantages | Less electrical noise/interference, improving audio quality; more convenient and accessible; more versatile and portable |
| Sound Card Disadvantages | Risk of electrical noise/interference; less accessible; less versatile and portable |
| DAC Disadvantages | May introduce hissing from hardware if not properly engineered; may not provide noticeable improvement with modern motherboards |
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What You'll Learn
Sound cards have built-in DACs
Sound cards are marketed towards gamers, and they often come with hardware and software features like surround sound (Dolby, THX, etc.). They are also useful if you want to connect multiple devices, like a headset and speakers, and easily switch between them.
While sound cards have built-in DACs, some people opt for external DACs to improve sound quality by reducing electrical noise and interference from the motherboard. External DACs are more convenient as they can be placed on your desk, making it easier to plug in and unplug listening devices. They are also more versatile and portable than internal sound cards.
However, it's worth noting that modern motherboards have improved onboard audio quality, and some even have built-in amplifiers. As such, the need for external DACs or sound cards is not as prevalent as it once was. For most tasks, your computer's built-in sound should be sufficient.
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External DACs are more convenient
Another advantage of external DACs is that they have their own circuitry, which can receive digital audio information and convert it into an analogue signal away from the noisy environment of your motherboard. This results in a clearer and more detailed sound output. External DACs also support 32-bit audio processing, allowing for a greater dynamic range and a more detailed reproduction of your music, especially with high-resolution audio files. The sound quality is further enhanced by the multiple digital inputs that external DACs offer, such as USB, optical, and coaxial, which internal DACs may lack.
Additionally, connecting an external DAC to your PC is a simple process, usually done through a USB cable, and it automatically takes over the digital-to-analogue conversion, bypassing the lower-quality internal DAC. This setup can significantly reduce motherboard noise, resulting in cleaner audio output.
Overall, external DACs offer improved sound quality, versatility, and convenience, making them a preferred choice over internal sound cards.
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Internal sound cards are a good option if you don't want clutter
Sound cards are internal components that plug into your computer's PCIe slot on the motherboard. They were very popular in the early days of modern personal computers. However, they have lost some popularity due to the hassle of opening up your computer and unplugging everything from the motherboard.
If you don't want the clutter of external devices and adapters, an internal sound card is a good option. It won't take up space on your desk or occupy a USB port. However, it's important to note that internal sound cards may introduce electrical noise, and finding one that performs better than integrated audio without being too expensive can be challenging.
External DACs, on the other hand, are more convenient and accessible. They can simply be placed on your desk, and you can easily plug in and unplug your listening devices. They also eliminate the noisy electricity from your motherboard. While some external DACs can be bulky, many are tiny and portable, such as the Creative Sound BlasterX USB DAC, which can fit in your pocket.
If you want to avoid the clutter of external devices, an internal sound card is a viable option. However, it's worth noting that they may introduce electrical noise, and the installation process involves opening up your computer and accessing the motherboard. Additionally, internal sound cards might not offer a significant upgrade in audio quality compared to integrated audio.
Overall, if you're seeking a clutter-free solution and are willing to accept the potential drawbacks of electrical noise and installation challenges, an internal sound card can be a suitable choice for your audio needs.
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Electrical interference can impact sound quality
Sound cards often contain a DAC (digital-to-analog converter), but the term "sound card" usually refers to internal sound cards that plug into a computer's PCIe slot on the motherboard. These internal sound cards can be a source of electrical noise, which can negatively impact sound quality.
Radio frequency interference (RFI) and electromagnetic interference (EMI) are the most common types of electrical interference. RFI operates at high frequencies and often originates from wireless technologies like cell phones and Wi-Fi routers. EMI, on the other hand, can induce unwanted currents in cables and equipment, creating a slight hum or a pervasive buzz. Ground loops are another source of interference, where multiple grounding connections create unintended current paths, acting as antennas that pick up ambient noise.
To mitigate electrical interference, proper cable management and the use of high-quality cables are essential. Ferrite beads, for instance, are small capsules that can be clipped onto power and audio cables to reduce electrical noise interference. Isolation transformers and shielding techniques, such as Faraday cages, can also help block external electromagnetic fields and radiated EMI from disrupting audio signals.
Additionally, choosing an external DAC over an internal sound card can reduce the risk of electrical interference. External DACs are more accessible and convenient, as they can sit outside the computer case, avoiding the electrical noise issues associated with internal sound cards. They are also more versatile and portable, making them a preferred choice for audio enthusiasts seeking an interference-free listening experience.
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Sound cards and external DACs are popular with gamers
Sound cards and external DACs (Digital-to-Analog Converters) are popular with gamers, but there are some key differences between the two. Sound cards are internal, plugging into the PCIe slot on your motherboard, while external DACs sit outside your computer case and don't use PCIe lanes.
Sound cards used to be incredibly popular, but have fallen out of favour due to the inconvenience of installation and the superior convenience of external DACs. Sound cards are marketed to gamers, often bundled with "gamer" targeted USB "mixamps" from companies like Astro. However, many modern motherboards have onboard audio that is as good as, or better than, dedicated sound cards.
External DACs are more convenient than sound cards as they can sit on your desk, making it easy to plug in and unplug listening devices. They are also versatile and portable, especially compared to internal DACs that slot into a PCIe slot. Additionally, USB DACs are isolated from the rest of your computer, avoiding interference from other components.
However, sound cards do have their advantages. They can provide 3D positional audio, which is beneficial for gaming. They also tend to come with more bundled software, including HRTF-based virtualization solutions that can accurately reproduce the 3D nature of sound. For gamers who require positional audio, a high-grade sound card may be preferable to an external DAC.
Ultimately, the choice between a sound card and an external DAC depends on the specific needs and preferences of the gamer. While external DACs offer convenience and versatility, sound cards can provide features tailored to gaming, such as 3D positional audio.
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Frequently asked questions
DAC stands for digital-to-analog converter.
A sound card is a DAC amp that is installed inside a computer, whereas a DAC is an external device that sits outside of the computer case and does not use PCIe lanes on the motherboard.
It depends. If you are experiencing interference or "noise" with your current setup, then a DAC can help improve your sound quality by reducing this interference. However, modern motherboards have built-in amplifiers, so an external DAC may not be necessary for most users.
Sound cards provide a range of hardware and software features, such as surround sound capabilities (Dolby, THX, etc.), that may not be available with a DAC. Sound cards are also more convenient for desktop computer setups as they do not require an additional device or USB port.
Recommended DACs include the FiiO E10K, Schiit Modi DAC, and Schiit Fulla 2. Suggested sound cards include the Creative Sound BlasterX USB DAC and the Sound Blaster Recon3D PCIe.
