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Guide to High-fidelity Computer Audio

How to get better sound from your PC

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Hi-fi 2.0

As an audio component, your computer offers a lot of advantages. With all your music in one place, you can easily find what you want to hear. You can create playlists to suit any mood or occasion. Or, if you get bored with the music stored on your own hard drive, you can tune in Internet radio or a subscription service, such as Rhapsody®. Your computer can also work as a super-convenient multi-room music source — imagine being able to access and play all your music from any room in your home.

But what about sound quality?

If you listen to your music files only on the small plastic speakers that came with your computer or through your iPod's stock earbuds, then you haven't heard how good computer audio can sound. All the hours you spend with your computer can be much more enjoyable if you follow these two easy steps:

  1. Learn how to create high-quality music files (or where to buy them).
  2. Connect your computer to a good audio system (or use a good set of headphones).

 

iPod Touch
If you'd like to go lossless, remember that these files will take up more room on your iPod than smaller, more compressed computer audio files.

Step 1: Start with high-quality music files

There are several good music management programs out there. Far and away the most popular is iTunes. If you use the iTunes default settings to import or "rip" CDs, you get compressed music files that can sound dull and lifeless when played on a good audio system.

Making iTunes sound better is easy

The 256 kilobytes per second compression of the iTunes default setting keeps the file size relatively small, so you can fit lots of songs on an iPod or hard drive. But hard drive space is so inexpensive these days; tiny file size isn't nearly as important as it once was for computer audio listening at home. When choosing your file format (codec) and "bit rate" or resolution, remember that the higher the bit rate, the better the sound. For the highest fidelity, choose a lossless format.

If you have a low-capacity iPod, file size is still an important factor. A 4GB iPod, for example, only holds about 150 songs in the Apple Lossless format. But you don't have to go all the way to lossless to get better fidelity. Try bumping the bit rate up to 320 kbps, and see if you can hear the difference.

The Apple Lossless format takes about half of the disc space as the uncompressed WAV or AIFF formats. Apple does not support album art with the WAV format. Apple Lossless files will play on most newer iPods. (Lossless files will play on iPod Classic models that can handle photos; they won't play on iPod shuffles or iPod minis.)

To learn how to change the import settings in iTunes 10.2, consult Apple's instructions for Mac and for Windows. Other music management programs, such as Windows Media Player, have similar controls for changing the file format and bit rate of your rips.


FLAC
FLAC (the Free Lossless Audio Codec) isn't an option for iTunes, but claims to be "the fastest and most widely supported lossless audio codec." It's supported by many music management programs, including Windows Media Player, and plays on a variety of wireless music players, including Sonos™ and Logitech Squeezebox™.

What about downloaded music?

There are many places on the web to download music files, but few that have high-resolution files. Most sites are limited to 128-256kbps files, but even those files can sound OK when played on a good hi-fi system. Choose the highest available bit rate in the format that works for all of your playback devices.

There are a few sites that specialize in high-quality downloads, such as HD Tracks and iTrax. Several labels and artists such as the Eagles, Dave Mathews Band, The Grateful Dead, Phish and Pearl Jam, distribute music in FLAC. You will also find online communities that share legal audience recordings of live shows in the FLAC format. See the FLAC site for links to these sites.


Step 2: You've got high-quality files — now what?

Your next step is to choose an alternative to the cheap speakers that came with (or were built into) your computer. The simplest way to upgrade is to buy a better set of powered computer speakers. You might even try a powered soundbar, such as the Polk Instant Home Theater. For higher fidelity, you'll want to connect the computer to a home audio system.

Connecting to an audio system using an analog cable

The simplest way to make the connection is to run an audio patch cable from your computer's audio output to an auxiliary input on your A/V receiver. In most cases, you'll need a patch cord with a stereo mini-plug on one end and RCA plugs on the other end. Or you could use a regular stereo patch cord and a stereo mini-to-RCA adapter. The big disadvantage here is that you'll be using the digital-to-analog converter (DAC) inside your computer. Unless you upgraded your sound card when you purchased your computer, it's likely your computer's DAC won't do justice to your high-quality music files.

Peachtree Nova The Peachtree Nova integrated amplifier connects to your computer with a USB cable. Peachtree systems contain a high-grade DAC, a tube preamp section, and a great-sounding high-current amplifier. Hook up a pair of good speakers, and you've transformed your computer audio from ho-hum to hi-fi.

Connecting via a USB or digital audio cable

If your computer has a digital audio output and your receiver has a matching digital audio input, you'll probably get better sound quality by using this connection. Unless your computer has an ultra-premium sound card, the DAC inside your receiver is likely to be superior to the one in your computer.

If your computer does not have a digital audio output, don't despair. One option is to upgrade your sound card, but more and more high-grade outboard DACs are now coming with USB inputs, and some stereo components, such as the Wadia 151 PowerDAC mini, and the Peachtree Audio systems, come with audiophile-grade DACs built-in.

Playing music around your home

If you want to enjoy your computer audio in more rooms than just your den or office, you're in luck. A lot of electronics can connect to your home network — in the same way that a computer does — and play the music that's stored on your home computers. This is a really convenient option when you want to listen to your favorite tunes through your best speakers, but you don't want to move your computer to the same room and you don't want to run cables through the wall. An increasing number of components give you this capability: A/V receivers, TVs, gaming systems, and wireless music players. To learn more, check out our articles on wireless music players and playing music on gaming systems.

Sonos S5
A wireless music player like the Sonos S5 lets you play music from your computer in other rooms of your home.

Something else to keep in mind if you're planning to go lossless: When choosing a wireless music system, remember to pay close attention to the file format handling capabilities of the devices you're considering. If you've gone to the trouble to rip or download hundreds of lossless files, you'll be sorely disappointed if your networked components can't play them. Some devices may be able to "transcode" them to another compatible format, though it may well be a lower-fidelity format.

File storage and backup

If you're planning to rip a large music collection, especially if you're using a lossless format, you should strongly consider storing your music on an external drive. You may discover that you need to get the music files off of your computer to save space on its built-in hard drive. But even if you leave the music files on your computer's hard drive, an external drive can be used to back up the files. It's a small price to pay for the peace of mind the backup affords.

Networked storage drives provide another convenience, too. They can be set up to allow anyone on your network to access their files. That means you can listen to any song from any computer in your home, or from some compatible home audio components. They offer a great way to both safeguard and share your computer audio files.