computer science

ROXi

ROXi is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand ROXi rather than just read about it. In short: ROXi ( ROCK-si) is a television-based music entertainment experience providing full catalogue music streaming, radio, karaoke, music games, sound machine and photo visuals via a TV user interface on pay TV and Smart TV platforms and via ROXi Music System; a dedicated digital media player. Technology ROXi products and services facilitate communal interaction with music, providing a shared experience for multiple user…

Key takeaways

ROXi belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect ROXi to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of ROXi from memory before moving on to harder problems.

Reference excerpt

ROXi ( ROCK-si) is a television-based music entertainment experience providing full catalogue music streaming, radio, karaoke, music games, sound machine and photo visuals via a TV user interface on pay TV and Smart TV platforms and via ROXi Music System; a dedicated digital media player.

Technology ROXi products and services facilitate communal interaction with music, providing a shared experience for multiple users via the TV, rather than individually to phones, computers or tablets. T3 describes ROXi as "a system designed to get friends and family together round the (TV) screen and remove them from isolated behaviour, such as wearing headphones, and instead enjoying the tunage together." ROXi Music System is a console or set top box that connects to a TV via HDMI and gets its data (the audio visual music stream) via a Wi-Fi or Ethernet connection from an Internet router.[1][2] The ROXi streaming device has a Wii-style gesture-based wireless controller with a built-in microphone for voice commands and voice search and singing Karaoke. ROXi Music System plays through a TV but can connect to a soundbar, soundbase, home theatre system or any other speaker via 3.5mm auxiliary or Bluetooth. The data is output to the TV is via a HDMI connector.

Features Unlimited Music Streaming: ROXi is licensed by major music rights holders Sony Music Entertainment, Universal Music Group and Warner Music Group and MERLIN providing a catalogue of 55 million songs to stream on ROXi. The music catalogue is automatically updated on a weekly basis with new releases from music rights holders. Karaoke: ROXi has 60,000 karaoke-style singalong songs. ROXi’s Sing With The Stars singalong feature provides the original artist recording along with scrolling on-screen lyrics. ROXi also features traditional Karaoke tracks without the lead vocal. ROXi Music System’s wireless controller has a built-in microphone for karaoke singalongs. T3 named ROXi one of its best karaoke gadgets when it launched in 2017.

Partnerships ROXi launched on Sky Q set top box in to millions of homes across the UK on 8 September 2020. This was the first time ROXi partnered with a third-party platform to make music entertainment experience available without dedicated ROXi hardware. Sky provide ROXi on Sky Q for free for 30 days followed by a monthly subscription of £6.99/month. Sky Q subscribers control ROXi using the Sky Q remote control and a ROXi iOS and Android mobile companion app. In the United States, ROXi partnered with Sinclair Broadcast Group to offer its services on its ATSC 3.0 lighthouse station to take advantage of the technology's features. While an internet connection is required to access ROXi from a DTV station, as such stations (as with all over-the-air television and radio stations) are regulated by the Federal Communications Commission, mild profanity is edited accordingly, with songs having excessive profanity not aired at all. American affiliates for ROXi via ATSC 3.0 (all airing on the .21 digital subchannel of a Sinclair station) include stations in Albany, New York, Baltimore, Maryland, Birmingham, Alabama, Buffalo, New York, Charleston, South Carolina, Cincinnati, Ohio, Columbus, Ohio, Dayton, Ohio, Des Moines, Iowa, El Paso, Texas, Flint, Michigan, Fresno, California, Green Bay, Wisconsin, Greensboro, North Carolina, Greenville, South Carolina, Las Vegas, Nevada, Minneapolis, Minnesota, Mobile, Alabama-Pensacola, Florida, Nashville, Tennessee, Omaha, Nebraska, Pittsburgh, Pennsylvania, Portland, Maine, Raleigh, North Carolina, Rochester, New York, Salt Lake City, Utah, San Antonio, Texas, Seattle, Washington, Syracuse, New York, Washington, D.C. (via PBS station WHUT-TV instead of Sinclair-owned WJLA-TV), Wes Palm Beach, Florida, and Wichita, Kansas.

Funding ROXi has raised over $15m investment with early backing from former Take That member Robbie Williams, Sheryl Crow, Alesha Dixon, Stephen Fry as well as former F1 and McLaren executive Ron Dennis. Dennis owns a 10% stake in the company alongside investors such as Henrik Holmark, (the former finance chief of jewelry chain Pandora), Nigel Wray (owner of Saracens rugby club), U2's former manager Paul McGuinness, and TomTom co-founder Mark Gretton. Pop star Kylie Minogue took a stake in the company in November 2020.

Criticism ROXi was criticised for announcing a planned IPO on the London Stock Exchange which would have allowed the public to buy shares, but then instead raised money privately from McLaren Group executive Ron Dennis and other investors. The reason given by ROXi at the time was that Brexit meant raising money privately was less risky and that Brexit had created turbulent market conditions.

Geographic availability ROXi is available in:

See also Comparison of on-demand streaming music services List of online music databases List of Internet radio stations Streaming media

References

Illustrations

Worked examples

Example 1 — a first encounter with ROXi

Start with the simplest possible case. Write down what ROXi claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to ROXi before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about ROXi ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of ROXi

In research: ROXi appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses ROXi in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: ROXi is common in secondary-school and first-year university syllabi. It links to neighbouring topics Android (operating system) software, Audio equipment manufacturers of the United Kingdom, British brands, so understanding it makes those chapters shorter.
In everyday life: Look for ROXi outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study ROXi in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what ROXi means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain ROXi out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is ROXi in simple terms?

Why does ROXi matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study ROXi?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on ROXi.