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Archivo del Autor: Belen De Leon

This Is How Porn Ended Up on Ninja’s Zombie Twitch Channel

Maybe it’s time to pay more attention to how the biggest gaming platform in the world is moderated.
Source: Wired

Google details AI work behind Project Euphonia’s more inclusive speech recognition

As part of new efforts towards accessibility, Google announced Project Euphonia at I/O in May: An attempt to make speech recognition capable of understanding people with non-standard speaking voices or impediments. The company has just published a post and its paper explaining some of the AI work enabling the new capability.

The problem is simple to observe: The speaking voices of those with motor impairments, such as those produced by degenerative diseases like amyotrophic lateral sclerosis (ALS), simply are not understood by existing natural language processing systems.

You can see it in action in the following video of Google research scientist Dimitri Kanevsky, who himself has impaired speech, attempting to interact with one of the company’s own products (and eventually doing so with the help of related work Parrotron):

The research team describes it as following:

ASR [automatic speech recognition] systems are most often trained from ‘typical’ speech, which means that underrepresented groups, such as those with speech impairments or heavy accents, don’t experience the same degree of utility.

…Current state-of-the-art ASR models can yield high word error rates (WER) for speakers with only a moderate speech impairment from ALS, effectively barring access to ASR reliant technologies.

It’s notable that they at least partly blame the training set. That’s one of those implicit biases we find in AI models that can lead to high error rates in other places, like facial recognition or even noticing that a person is present. While failing to include major groups like people with dark skin isn’t a mistake comparable in scale to building a system not inclusive of those with impacted speech, they can both be addressed by more inclusive source data.

For Google’s researchers, that meant collecting dozens of hours of spoken audio from people with ALS. As you might expect, each person is affected differently by their condition, so accommodating the effects of the disease is not the same process as accommodating, say, a merely uncommon accent.

A standard voice-recognition model was used as a baseline, then tweaked in a few experimental ways, training it on the new audio. This alone reduced word error rates drastically, and did so with relatively little change to the original model, meaning there’s less need for heavy computation when adjusting to a new voice.

The researchers found that the model, when it is still confused by a given phoneme (that’s an individual speech sound like an e or f), has two kinds of errors. First, there’s the fact that it doesn’t recognize the phoneme for what was intended, and thus not recognizing the word. And second, the model has to guess at what phoneme the speaker did intend, and might choose the wrong one in cases where two or more words sound roughly similar.

The second error in particular is one that can be handled intelligently. Perhaps you say “I’m going back inside the house,” and the system fails to recognize the “b” in back and the “h” in house; it’s not equally likely that you intended to say “I’m going tack inside the mouse.” The AI system may be able to use what it knows of human language — and of your own voice or the contest in which you’re speaking — to fill in the gaps intelligently.

But that’s left to future research. For now you can read the team’s work so far in the paper “Personalizing ASR for Dysarthric and Accented Speech with Limited Data,” due to be presented at the Interspeech conference in Austria next month.


Source: TechCrunch

CBS, Viacom to reunite in merger that creates roughly $30B company – CNET

The combo will speed up efforts in streaming, the companies say.
Source: CNET

Google's Hellish 3 Years, Trump's Tariff Delay, and More News

Catch up on the most important news from today in two minutes or less.
Source: Wired

Tesla's Model 3 is now on sale in South Korea and it's cheaper than you'd think – Roadshow

Thanks to aggressive government subsidies for the purchase of electric vehicles, a Model 3 in South Korea is even more reasonably priced than it would be in the US.
Source: CNET

Cray to build El Capitan supercomputer for nuclear security apps – CNET

The $600 million supercomputer will be the world’s fastest.
Source: CNET

See the Perseid meteor shower make a celestial scene worldwide – CNET

The best time of year to see shooting stars doesn’t disappoint, despite a bright moon.
Source: CNET

Twitter is testing a way to let you follow topics – CNET

It’s starting with sports.
Source: CNET

Twitter tests ways for users to follow and snooze specific topics

You may soon be able to organize Twitter’s web of hashtags and handles in a smarter way — that is, if the company can pull off its ambitious new rethinking of the app’s timelines.

The company isn’t getting rid of the process of following users, but at a press event in SF, company execs announced they are planning to push users to start following “topics” that bring in well-engaged tweets from a variety of accounts that the user might not necessarily follow. Twitter is currently testing the feature on Android with topics focused around sports, “from MMA to Formula 1” to specific professional franchises.

The company plans to greatly expand the scope of these topics so that fans will be able to have timelines devoted to BTS and skincare routines. The feature is focused on helping users find new accounts and communities into which they can dive deeper.

The company is curating the overall topics manually, but Twitter will be relying on machine learning to intelligently populate the topics themselves so that the tweets can stay up to date. The company is also testing the ability to not only follow topics in your central timeline, but create your own secondary timelines into which you can bring multiple topics, accounts and hashtags.

A feature that Twitter says it is also starting to experiment with is the ability to temporarily unfollow a topic so you can keep certain tweets out of your timeline, like tweets chronicling an ongoing finale of a TV show or a football game. You can currently mute specific words and accounts indefinitely or for a finite amount of time.


Source: TechCrunch

La dudosa ética de las empresas éticas de etiquetado de datos de IA

En un sector dominado por empleos precarios, un pequeño grupo de compañías como CloudFactory, iMerit y Samasource promete que sus trabajadores están bien remunerados y atendidos. Pero, a falta de regulación, es imposible saber si realmente lo están haciendo
Source: MIT

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