What is Impedance? @ eCoustics

By Ian Bell May 7, 2005

“As you probably know if you’ve been shopping for cables, coax for most video applications is “75 ohm” coax–but what the heck does that mean, anyway? This article is a short, non-technical explanation of impedance, and its significance in video and other circuitry, for those who have always scratched their heads at this one.

Every signal input, and every output, has an impedance–this “impedance” represents the relationship between voltage and current which a device is capable of accepting or delivering. But it’s hard to talk about electrons flying around in wire, and volts and amps, without making the whole subject seem abstract and obscure. Let’s think about another situation with which we’re all familiar: an automobile and its transmission. “

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Audio / Video

What Fubo and others get wrong in their fight against new sports streamer

Fubo splash screen on a TV.

Representatives from a number of media companies — led by Fubo, Dish Network, DirecTV, and others — have sent a “final coalition letter” to congressional committees that calls for hearings to be held over the upcoming sports-focused streaming service that combines the rights held by Disney (which includes ABC and ESPN), Warner Bros. Discovery (WBD), and Fox. The letter cites issues that “raise serious competition concerns that call for Congress’ immediate oversight.”

The letter was sent to Sens. Maria Cantwell and Ted Cruz of the Senate Commerce Committee, Sens. Dick Durbin and Lindsey Graham of the Senate Judiciary Committee, Reps. Cathy McMorris Rodgers and Frank Pallone of the House Energy and Commerce Committee, and Rep. Jim Jordan and Jerry Nadler of the House Judiciary Committee. It was signed by FuboTV Inc., DirecTV, Dish Network, Newsmax, Inc., American Economic Liberties Project, Open Markets Institute, Sports Fan Coalition, and the Electronic Frontier Foundation.

Audio / Video

What is Qobuz? Music, features, and pricing explained

An iPhone 15 Pro showing Qobuz app.

Are you a music lover who craves the highest-quality sound possible, but can't quite afford the hefty price tag that comes with a top-of-the-line audio setup like turntables, integrated amplifiers, and hi-fi speakers? Fear not, my friend, for there is a solution -- Qobuz, the ultra-high-quality music streaming platform that will have you listening and singing to the tunes of your favorite artists in no time.

While some audiophiles may argue that physical media is the only way to achieve true sound quality, the convenience and affordability of Qobuz is hard be beat. So sit back, relax, and let us guide you through everything you need to know about this music streaming service. Just be sure to keep it on the down-low from your vinyl-collecting pals -- we wouldn't want to start a music war.
What is Qobuz?
Qobuz is a music-streaming platform with access to over 100 million songs, all of which are available in the hi-res FLAC (Free Lossless Audio Codec) format. As far as quality goes, it’s tough to beat the kind of clarity, dynamic range, and definition you’ll hear on a Qobuz track, with the catalog being available from CD-quality (16-bit at 44.1kHz) up to 24-bit at 192kHz.

Audio / Video

What is Deezer? Features, pricing, and music quality explained

Deezer app on an iPhone 15 Pro.

We're all familiar with music streaming platforms such as Spotify and Apple Music. While these streaming giants are widely used, there are other platforms you can choose from. However, we need to ask ourselves if any music streamer offers extra features for its listeners, particularly in terms of audio quality and personalized recommendations. One does, and it is called .

Deezer has been around for almost two decades and is a platform that prioritizes premium sound quality while still being affordable for most people. There is a lot to know about Deezer, so we have created this helpful guide to give you a solid idea of the platform.
What is Deezer?