OpenAI has been rapidly developing its ChatGPT generative AI chatbot and Sora AI video creator over the last year, and it's now got a new artificial intelligence tool to show off: Voice Generation, which can create synthetic voices from just 15 seconds of audio.
In a blog post (via The Verge), OpenAI says it's been running “a small-scale preview” of Voice Engine, which has been in development since late 2022. It's actually already being used in the Read Aloud feature in the ChatGPT app, which (as the name suggests) reads out answers to you.
Once you've trained the voice from a 15-second sample, you can then get it to read out any text you like, in an “emotive and realistic” way. OpenAI says it could be used for educational purposes, for translating podcasts into new languages, for reaching remote communities, and for supporting people who are non-verbal.
This isn't something everyone can use right now, but you can go and listen to the samples created by Voice Engine. The clips OpenAI has published sound pretty impressive, though there is a slight robotic and stilted edge to them.
Safety first
Voice Engine is already used in ChatGPT’s Read Aloud feature (Image credit: OpenAI)
Worries about misuse are the main reason Voice Engine is only in a limited preview for now: OpenAI says it wants to do more research into how it can protect tools like this from being used to spread misinformation and copy voices without consent.
“We hope to start a dialogue on the responsible deployment of synthetic voices, and how society can adapt to these new capabilities,” says OpenAI. “Based on these conversations and the results of these small scale tests, we will make a more informed decision about whether and how to deploy this technology at scale.”
With major elections due in both the US and UK this year, and generative AI tools getting more advanced all the time, it's a concern across every type of AI content – audio, text, and video – and it's getting increasingly difficult to know what to trust.
As OpenAI itself points out, this has the potential to cause problems with voice authentication measures, and scams where you might not know who you're talking to over the phone, or who's left you a voicemail. These aren't easy issues to solve – but we're going to have to find ways to deal with them.
OpenAI’s Chief Technology Officer Mira Murati recently sat down with The Wall Street Journal to reveal interesting details about their upcoming text-to-video generator Sora.
The interview covers a wide array of topics from the type of content the AI engine will produce to the security measures being put into place. Combating misinformation is a sticking point for the company. Murati states Sora will have multiple safety guardrails to ensure the technology isn’t misused. She says the team wouldn’t feel comfortable releasing something that “might affect global elections”. According to the article, Sora will follow the same prompt policies as Dall-E meaning it’ll refuse to create “images of public figures” such as the President of the United States.
Watermarks are going to be added too. A transparent OpenAI logo can be found in the lower right-hand corner indicating that it's AI footage. Murati adds that they may also adopt content provenance as another indicator. This uses metadata to give information on the origins of digital media. That's all well and good, but it may not be enough. Last year, a group of researchers managed to break “current image watermarking protections”, including those belonging to OpenAI. Hopefully, they come up with something tougher.
Generative features
Things get interesting when they begin to talk about Sora's future. First off, the developers have plans to “eventually” add sound to videos to make them more realistic. Editing tools are on the itinerary as well, giving online creators a way to fix the AI’s many mistakes.
As advanced as Sora is, it makes a lot of errors. One of the prominent examples in the piece revolves around a video prompt asking the engine to generate a video where a robot steals a woman’s camera. Instead, the clip shows the woman partially becoming a robot. Murati admits there is room for improvement stating the AI is “quite good at continuity, [but] it’s not perfect”.
Nudity is not off the table. Murati says OpenAI is working with “artists… to figure out” what kind of nude content will be allowed. It seems the team would be okay with allowing “artistic” nudity while banning things like non-consensual deep fakes. Naturally, OpenAI would like to avoid being the center of a potential controversy although they want their product to be seen as a platform fostering creativity.
Ongoing tests
When asked about the data used to train Sora, Murati was a little evasive.
She started off by claiming she didn’t know what was used to teach the AI other than it was either “publically available or license data”. What’s more, Murati wasn’t sure if videos from YouTube, Facebook, or Instagram were a part of the training. However she later admitted that media from Shutterstock was indeed used. The two companies, if you’re not aware, have a partnership which could explain why Murati was willing to confirm it as a source.
Murati states Sora will “definitely” launch by the end of the year. She didn’t give an exact date although it could happen within the coming months. For now, the developers are safety testing the engine looking for any “vulnerabilities, biases, and other harmful results”.
If you're thinking of one day trying out Sora, we suggest learning how to use editing software. Remember, it makes many errors and might continue to do so at launch. For recommendations, check out TechRadar's best video editing software for 2024.
2023 has felt like a year dedicated to artificial intelligence and its ever-expanding capabilities, but the era of pure text output is already losing steam. The AI scene might be dominated by giants like ChatGPT and Google Bard, but a new large language model (LLM), NExT-GPT, is here to shake things up – offering the full bounty of text, image, audio, and video output.
NExT-GPT is the brainchild of researchers from the National University of Singapore and Tsinghua University. Pitched as an ‘any-to-any’ system, NExT-GPT can accept inputs in different formats and deliver responses according to the desired output in video, audio, image, and text responses. This means that you can put in a text prompt and NExT-GPT can process that prompt into a video, or you can give it an image and have that converted to an audio output.
ChatGPT has only just announced the capability to ‘see, hear and speak’ which is similar to what NExT-GPT is offering – but ChatGPT is going for a more mobile-friendly version of this kind of feature, and is yet to introduce video capabilities.
We’ve seen a lot of ChatGPT alternatives and rivals pop up over the past year, but NExT-GPT is one of the few LLMs we’ve seen so far that can match the text-based output of ChatGPT but also provide outputs beyond what OpenAI’s popular chatbot can currently do. You can head over to the GitHub page or the demo page to try it out for yourself.
So, what is it like?
I’ve fiddled around with NExT-GPT on the demo site and I have to say I’m impressed, but not blown away. Of course, this is not a polished product that has the advantages of public feedback, multiple updates, and so on – but it is still very good.
I asked it to turn a photo of my cat Miso into an image of him as a librarian, and I was pretty happy with the result. It may not be at the same level of quality as established image generators like Midjourney or Stable Diffusion, but it was still an undeniably very cute picture.
This is probably one of the least cursed images I’ve personally generated using AI. (Image credit: Future VIA NExT-GPT)
I also tested out the video and audio features, but that didn't go quite as well as the image generation. The videos that were generated were again not awful, but did have the very obvious ‘made by AI’ look that comes with a lot of generated images and videos, with everything looking a little distorted and wonky. It was uncanny.
Overall, there’s a lot of potential for this LLM to fill the audio and video gaps within big AI names like OpenAI and Google. I do hope that as NExT-GPT gets better and better, we’ll be able to see a higher quality of outputs and make some excellent home movies out of our cats seamlessly in no time.
In order to get users to spend more time on its professional social network, LinkedIn is preparing to launch a new virtual events platform for both audio and video.
As reported by TechCrunch, the company's new events platform will allow creators and organizations to list, host and market interactive virtual events.
LinkedIn actually began looking into events before the pandemic began with the launch of its Events hub back in 2019. However, as more people started working from home, the company added online polls and video events to provide remote workers with access to events.
Now though with its new virtual events platform, LinkedIn will start out with an audio-only product similar to Clubhouse that will launch in beta this month followed by a video version that will be available in the spring.
Audio and video events
When LinkedIn's new events platform launches in beta later this month, organizers won't have to rely on other third-party software as it will include all of the tools needed to run interactive content from end-to-end.
Hosts will be able to record and run their events straight from LinkedIn as the new platform will include tools for online attendees and hosts to have live conversations and moderate discussions. However, attendees will also be able to communicate with one another both during and after an event has ended. Promoting these events will be a cinch as well as organizers can do so on LinkedIn.
The platform will start off by targeting individual creators who already rely on the professional social network to connect with a wider audience and cover topics such as career development and recruitment.
Product manager at LinkedIn, Jake Poses provided further details on the company's philosophy when it comes to its new virtual event platform for audio and video in an interview with TechCrunch, saying:
“Our philosophy is to put the organizers in control. We want to make it easier to host virtual round tables, fireside chats, and more. Some may want the event to be more formal, or less formal. Some might want to communicate with their audience, to open up to the floor. We’re giving professionals interactivity and support.”
We'll likely hear more from LinkedIn once the audio-only portion of its new virtual events platform begins rolling out in beta later this month.
If you're looking for the best headphones to buy in 2020 you've come to the right place.
A good pair of headphones are a necessity for many of us – aside from breathing new life into our favorite songs, they keep us entertained with music, podcasts, and audio books when we're working out, commuting, or just trying to disconnect from the world around us.
We spend a lot of time with our headphones – and if you're looking for some new cans, you're going to want a pair of the best headphones you can find that your budget allows.
It's our mission to hook you up with the perfect headphones for your needs – and your budget.
We encourage you to take a look at all the headphone lists here on TechRadar – however, if you're in a hurry and just want to find the best headphones your money can buy, check out our top picks below.
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The Sony WH-1000XM3 Wireless Headphones are the best headphones you can buy in 2020 – for now, anyway.
They're pretty consistent with what Sony has released in the last two years in the form of the Sony WH-1000XM2 and Sony MDR-1000X, improving on some already fantastic models.
A dominant noise-cancelling pair of headphones, the Sony WH-1000XM3 can beat anything Bose has with ease.
That’s because, while Bose has done a tremendous job working out its noise cancellation algorithm over the years, Sony has spent that time perfecting audio playback while simultaneously creating an adaptable algorithm that doesn’t just create a single sterile sound barrier, but multiple kinds that can tailor itself to whatever situation you’re in.
Beyond being exceptional at keeping external noises at bay, these impressive Sony headphones are Hi-Res Audio-ready, sporting aptX, aptX HD and LDAC codecs, and offer the smarts of Google Assistant right on-board. If you need a pair of headphones that can live up to any challenge and excel in any environment, these are the pair for you.
After spending a few weeks with both the 1MORE Triple Driver in-ear headphones, we were blown away by the great value for money they represent.
For $ 100 / £100 (about AU$ 168), it’s hard to think of a better-sounding and more well-built pair of earphones than the 1MORE Triple Drivers. (That said, if you want just that little extra refinement and luxury materials, the 1MORE Quad Drivers are still a bargain at twice the price.)
There’s very little we can fault the Triple Drivers for. Sure, the inbuilt remote feels a little cheap, but that's more than made up for by the lush sound quality offered by these luxe-looking earbud.
For the price, it’s impossible to do better than 1MORE's Triple Driver in-ear headphones.
If you have a tendency to lose or break headphones, but you still value sound quality, it’s hard to think of a better value pair of earbuds than the RHA S500u.
These in-ear headphones have no business sounding so good for $ 40 / £30 / AU$ 52, sporting a balanced soundstage with a slight mid-bass bump to power you through your workouts and make your music sound great.
Bass is slightly emphasized but not egregiously and features good impact while maintaining good control – and highs, while sibilant at times, makes music sound more exciting. In short, these are the best earphones you can buy if you're on a strict budget.
For your money, you can't do any better than Grado's SR60e. The third-generation of the Brooklyn, NY-based company's Prestige Series are its best and most refined yet.
The SR60e in particular are a smart choice if you're looking for an entry-level pair of headphones that sound far more expensive than they really are.
Their open-backed earcup design makes them feel more breathable than most on-ear headphones, delivering a wide, natural soundstage. In a few words, they're our gold-standard when it comes to on-ears.
(Our review is for the SR60i, but the newer SR60e headphones are largely similar in design and performance.)
While the original Plattan headphones were just fine for a pair of on-ear headphones, Urbanears wasn’t satisfied with being mediocre. The company took customer feedback to heart and addressed many complaints about comfort, sound quality and isolation.
For the most part, Urbanears succeeded, making the Plattan II a worthy sequel to the company’s most popular headphone.
In short, these are basic headphones without a ton of features. But, because they're feature-light, you get a good-sounding pair of wired headphones for significantly less than you would otherwise.
While Beyerdynamic may not be as well known as its German brother, Sennheiser, the audio company has a history of creating some of the best sounding audio gear on the market – the company’s DT770, DT880 and DT990 were renowned for their excellent build and sound quality.
Above them all, however, stand the Beyerdynamic DT 1990 Pro, an open-back version of the Beyerdynamic DT 1770 Pro, which won our Editor’s Choice for its imaging, design and value for the money. Both headphones are priced the same ($ 599 / £589 / AU$ 1,159), so you won’t find a deal picking up one over the other. The difference here comes down to sound.
As they’re open-back, the DT 1990 Pro are meant to be used at home or in the studio for serious analytical listening. Sound is able to get in and out, but the good news is that the open-back design gives the DT 1990 Pro a great sense of space. The soundstage is quite wide, too, allowing even the most lackadaisical listener to pinpoint the exact location of where each instrument is playing.
If you've been searching for a pair of high fidelity cans that are used by some of the world's leading audio engineers, these are the best headphones for you.
In the past, audiophiles typically shunned wireless headphones because of poor sound quality. However, Bluetooth audio has improved tremendously over the years, and there are now plenty of wireless headphones that can please the music enthusiast, with Hi-Res Audio support being more and more prevalent.
Enter the Audio-Technica ATH-SR5BT, which boast outstanding sound quality for a pair of headphones under $ 200 / £150 – wired or wireless.
These over-ear headphones play well with all music genres and offer a near-flat response curve. Plus, they're extremely comfortable for long listening sessions and are well built.
Battery life is equally impressive with nearly 40 hours of playback from a single charge, and while they lack some features of more expensive wireless headphones like active noise cancelation and multi-device pairing, these are tradeoffs worth making for phenomenal sound.
If the Sony WH-1000XM3s are the true king of noise-cancelling headphones, the Bose Noise Cancelling Headphones 700 are next in line for the throne – and for the sake of offering an alternative, we've included them in this list.
Traditionally, noise-cancelling headphones have been designed to block out the environmental sounds around you, so that you can hear your music more clearly (or catch some shut-eye on a noisy flight).
This can be really effective if you’re listening to music. If you’re making a phone call however, the person you’re speaking to can still hear everything that’s happening around you, whether you’re standing on a busy street or trying to speak on a rumbling train.
The Bose Noise Cancelling Headphones 700 seek to remedy this, by applying noise-cancelation to phone calls as well as music. The sound quality is undeniably good, with a vibrant, lively character and well-balanced soundstage.
If you’re trying to decide between buying the Sony WH-1000XM3s and the Bose Noise Cancelling Headphones 700, we’d recommend going for the former because of that lower price and better battery life. That being said, you wouldn’t be making a mistake if you opted for the Bose cans instead (and we wouldn’t blame you if you did) – they sound great, look stunning, and the noise cancellation is out of this world.
At $ 200 / £180 / AU$ 250, the JBL Live 650BTNC punch above their weight in terms of sound quality, build, and features.
They offer a choice of either Google Assistant or Amazon's Alexa voice assistant, and sport an adjustable EQ thanks to the JBL Headphones app. Battery life is rated at 20 hours with ANC and wireless enabled, while wired listening will get you upwards of 30 hours from a single charge.
If you don’t want to splurge on the Bose QC35 II or Sony WH-1000XM3, you’ll be satisfied with the JBL Live 650BTNC knowing that you’re getting 80% of the performance at 50% of the price tag.
Again, the Sony WH-1000XM3 are our true winners in this category, but if you want an alternative, the Jabra Elite 85h are a fantastic choice.
Offering class-leading battery life, stylish design, and plenty of personalization when it comes to sound profiles, the Elite 85h are easy to recommend. That said, purists will bemoan the lack of high-end codec support and there are punchier headphones on the market at this price point.
When you consider that Jabra’s Elite 85h headphones are the company’s first attempt at premium wireless ANC headphones, the result is quite commendable. We can’t wait to see what the company’s next premium ANC headphones will accomplish.
For a lot less ($ 150 / £140 / AU$ 240), Plantronics now sells the brilliant BackBeat Go 810, which use less premium materials but sound nearly identical to its more expensive predecessor – and sport an equally chic design.
With that in mind, the BackBeat Go 810 are an affordable pair of ANC headphones that will please travelers and commuters who don’t want to spend too much money on headphones.
The Focal Stellias are perhaps the best-sounding headphones on the planet. Their wide-open soundstage and detailed, accurate sound treatment means they make any genre of music sound brilliant.
If you listen to songs you think you know inside out, the Stellias' precise separation of the frequencies means that you will probably hear details you’ve never noticed before.
If you like to keep things minimal in the headphones department, you probably won’t like the showy, opulent design of the Focal Stellias, and they can feel a little chunky for wearing on the commute into work.
But if luxury is your thing, the full-grain leather cups, woven cables, brushed copper accents, and matching carrying case are likely to appeal.
That luxury feel is translated right down to the presentation of the user manuals in a neat little leather-style wallet – and you may well expect to find this level of detail in exchange for parting with $ 3,000. Ouch.
The NuForce BE Sport4 wireless earbuds are a rare find: earbuds that are grear for basically all situations, whether you're looking to take them out on a run or just wear them around town.
They're ideal for exercise, although any urbanite will also find their lightweight functionality and impressive sound isolation highly appealing when traveling on crowded trains or navigating busy streets.
If you want proof that wireless earphones can now compete with the best wired earphones, look no further.
Considering it's still rare to get noise-cancelation in wired earbuds at all, the fact that Sony has managed to pack it into a pair that are not only wireless, but true wireless is very impressive indeed.
The Sony WF-1000X manage to offer a level of noise-cancelation that's very good for a pair of earbuds – they won't offer the same isolation as a pair of over-ear cans, but if you're after a sleek form factor then the compromise is worth it.
That being said, in spite of a few minor problems we feel that Sony has knocked the ball out of the park with the WF-1000XM3: not only are these hands-down the best-looking true wireless earbuds out there, but they also combine serious noise cancelling tech with fist-pumping musicality.
If you don’t want the inconvenience of carrying full-size cans, they’re a persuasive and smart alternative.
Choosing the right headphones for you can be an agonizing decision – but it doesn't have to be if you look for a few key features.
Above all, sound quality is the most important thing to look for. That doesn't mean you have to buy the most expensive audiophile headphones on the market; it just means that you should have an idea of what kind of sound you like.
How you define good sound quality depends on your personal taste. Do you like a warm, well-rounded sound, or do you prefer ultra high-fidelity that allows you to hear every single detail of your music? Are you a dedicated bass head or a classical music junkie?
If you're all about that bass, you'll want to look out for dynamic drivers that displace lots of air, leading to a bassy soundstage. If detail is everything, look for large frequency ranges – 20Hz to 20 kHz is the standard, so anything larger than this may allow for more detail in the highs and lows.
It's also important to consider the soundstage as a whole; if you love a wide, open sound, try a pair of open-back headphones. Worried about sound-leakage when you're in the company of others? Try a pair of closed-back cans with a secure fit to stop your tunes bothering the people around you.
You also need to consider the design of your new headphones. Do you want the freedom of true wireless earbuds or the security of a pair of sturdy over-ear headphones?
Wireless or wired is also an important consideration. A few short years ago, we may have tried to dissuade you from buying a pair of wireless headphones (the technology had issues with wireless connectivity over Bluetooth and sound quality took a dive as a result).
Nowadays however, advances in Bluetooth technology means that wireless headphones can sound fantastic and rarely experience annoying dropouts. If you're going for wireless headphones, make sure the battery life is decent, too.
You should also think about what you'll be using your new headphones for; if you need to soundtrack your workout, you'll want to look at headphones specifically designed for running or swimming.
Lastly, you need to consider price. You don't have to break the bank when your buying a pair of headphones, as evidenced by our guide to the best cheap headphones of 2020
Press on to page two to see how to pick out a good pair of headphones along more of our recommendations.
Check out our videos below for a roundup of the best headphones available.
There's usually more to a set of headphone than meets the eye. As such, we've provided a breakdown of what you can expect to find in each kind of headphone.
Not only will learning more about headphones help you make a more informed purchase, but you'll know when you're really getting your money's worth.
What headphones should you buy? Check out our video below for everything you need to know.
In-ear headphones
1More Triple Driver In-Ear Headphones
This type of headphone, more commonly referred to as an earbud or earphone, is usually the cheapest and easiest way to pump audio into your ears. If you've purchased an MP3 player, or more recently, the new iPod touch (7th generation), it's likely that a set was included with the purchase.
Earphones rest in or just outside the ear canal, creating a tight seal to keep air out and sound in. Compared to other types of headphones, these are the most discreet ones you'll find. Their small form-factor also makes them the king/queen of portability and the prime choice for athletes.
You're not likely to find strong performers at the low-end of the price spectrum. Their sound delivery is generally muddled, lacking bass and overcompensating for that with harsh mids and highs. That said, it won't cost you much money at all to find a value-packed option complete with inline controls and a microphone.
While similar to over-ear headphones in appearance, they fit to your head a little differently. Instead of enveloping your ears with a soft cushion, on-ear headphones create a light, breathable seal around your ear. Thus, the noise isolation is much less effective than in-ear or over-ear options. This might be a dealbreaker for some, but there are big benefits to consider here.
On-ear headphones are usually more portable than their over-ear brethren, and as such they appeal to travellers and the fitness crowd. Taking a walk or a jog around town is also safer, as you can hear traffic go by and be aware of potential hazards.
This ear-muff style of headphone generally provides greater richness and depth of sound, which allows listeners to pick apart the instruments and sounds much easier. Additionally, over-ear, or circum-aural headphones, go around the ear and offer a generous amount of padding.
The price range for a set of on-ear headphones begins around $ 100 and from there, the sky's the limit. For example, the Oppo PM-1, while excellent, are priced exorbitantly at $ 1,099. It's definitely not necessary to spend that much. That said, you tend to get what you pay for.
If your headphone budget is in the $ 2-300, you'll start getting into options that have excellent build quality, premium materials and amazing sound and features like ANC (active noise cancellation.)
Wireless headphones can be split into three different categories: wireless earphones connected via a neckband, wireless on-ear headphones, and wireless over-ear headphones – all are battery-powered and use Bluetooth to connect to your smartphone, laptop, portable music player, or even your turntable.
For wireless over-ear and on-ear models, you simply lose the wire connecting them to your device – otherwise, they look pretty much the same as your regular pair of wired cans, and give you the noise-isolating prowess of over-ears without the need for cumbersome wires to connect to your device.
Wireless in-ear models, earphones, or earbuds (depending on your preferred vernacular), have a neckband connecting each earbud, making them ideal for runners who want the freedom of a wireless connection with the security of a wire keeping their earbuds firmly around their neck.
Opting to go wireless will cost you a premium of anywhere between $ 50-100 over the price of wired cans. Going futuristic isn't cheap. One important thing to consider is that your music player must support the Bluetooth wireless protocol, as it's required to use this type of headphone.
Speaking of Bluetooth, it has become exponentially more reliable over time, but it's always susceptible to disturbances in the force.
True wireless earbuds
True wireless earbuds on the other hand, have no cord whatsoever; no wires to get caught in your zipper, and nothing to keep each bud connected to each other. For some, this means true freedom; for others, untethered true wireless means constant danger of losing their expensive audio kit down the drain – or terrible connections.
The latter, at least, has changed now – thanks to advances in Bluetooth technology like aptX HD, the best wireless headphones have never sounded better.
Looking for true wireless earbuds or a neckband for running? Here are the best wireless headphones
Noise-canceling headphones
Bose’s QuietComfort 35 II headphones
This category, like wireless headphones, isn't limited to a form factor. You can find this clever mix of technologies integrated into the ear pieces of in-ear and over-ear headphones alike.
Many companies falsely claim to offer true noise cancelation with just the padding included around the ear cups. Don't believe it. This is PNC (passive noise cancelation), and it doesn't amount to much. You can even replicate this effect by cupping your hands around your ears, so why shell out the big bucks for it?
On the other hand, ANC (active noise cancelation) is the real deal. This technique employs a set of external microphones, which detect the decibel level outside. Once it has an idea of the incoming noise level, the headphone speakers inside transmit a noise generated to dampen the racket. The end result is an effect that hushes the outside noise, allowing you to focus.
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