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Apple iPhone 16 is now banned in THIS country due to...

The ban on the iPhone 16 in Indonesia comes after Apple CEO Tim Cook's visit to Jakarta in April, where he spoke with President Joko Widodo about potential manufacturing plans.




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Flipkart Big Diwali Sale 2024: Best deals on iPhone 16 Pro Max, others; buy Apple iPad 9th Gen for just Rs...

The iPhone 16 series made its debut in India in September, with the flagship iPhone 16 Pro Max starting at Rs. 1,44,900 for the 256GB variant.




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Data on how smartphones driving enterprise mobility in India




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The phones that light up your instagram

Camera phones that will help you take your Instagram game up a notch this festival season




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Smartphone industry seeks tariff reduction

On January 31st the Centre cut import duties on certain mechanical components such as battery covers, camera lenses, back covers to zero, from the earlier 7 per cent import duty on these components.




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Relay Wants Your Phone to be a Wallet and Twitter a Shop | WIRED Retail | WIRED

When you see a product you like on Twitter Stripe wants you to be able to select it, see what other colours and styles are available, then buy it -- all the while staying just a couple of clicks away from your feed. With card and shipping details saved on your phone or within the app you'll never have to go through multiple "pay now" screens again. Subscribe to WIRED ►► http://po.st/SubscribeWired This is Relay and it allows apps to handle anonymous payment information, the latest part of Stripe's plan to create a mobile space for retail. Retailers currently using the technology include Warby Parker, Best Buy and Adidas. Currently, less than five percent of all transactions take place online, and only 15 percent of those go through mobile, James Allgrove, head of UK growth at e-commerce business Stripe, told WIRED Retail. That's in spite of 60 percent of all browsing taking place on mobile devices. READ MORE: http://wired.uk/UepWbA WIRED Retail is our annual exploration of the ever-changing world of commerce, featuring leading technologists, entrepreneurs and creatives innovating in sectors as diverse as robotics, virtual reality and the future of home delivery. For all our coverage from the event, head over to our WIRED Retail hub. http://www.wired.co.uk/wired-retail-2015 CONNECT WITH WIRED Web: http://po.st/VideoWired Twitter: http://po.st/TwitterWired Facebook: http://po.st/FacebookWired Google+: http://po.st/GoogleWired Instagram: http://po.st/InstagramWired Magazine: http://po.st/MagazineWired Newsletter: http://po.st/NewslettersWired ABOUT WIRED WIRED brings you the future as it happens - the people, the trends, the big ideas that will change our lives. An award-winning printed monthly and online publication. WIRED is an agenda-setting magazine offering brain food on a wide range of topics, from science, technology and business to pop-culture and politics. Relay wants your phone to be a wallet and Twitter a shop | WIRED Retail | WIRED https://www.youtube.com/wireduk




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Review: Apple iPhone 12 Pro

Part of Apple's Fall 2020 iPhone lineup, the iPhone 12 Pro is the middle child—great camera and size, but lacking specs from the 12 Pro Max and not that much better than the regular iPhone 12.




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Review: Samsung Galaxy S21 and S21 Ultra Phones

Julian Chokkattu takes Samsung's new phones, the Galaxy S21 and S21 Ultra, for a spin.




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Review: Asus ROG 5 Phone

Asus' new smartphone, the ROG Phone 5, makes mobile gaming more tactile and fun. Two built-in touch-sensitive buttons on the side of the phone improve the experience, as does helpful software that makes physical controllers compatible with any game—and custom accessories, like a clip-on fan to keep things cool.




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Review: Apple iPhone 13 Pro and Pro Max

The iPhone 13 Pro and iPhone 13 Pro Max come with the A15 Bionic chip, a bigger battery, and Apple's sensor-shift camera stabilization technology, which allows for sharper low-light photos. Reviews Editor Julian Chokkattu gives up the rundown of both, and why you might want to stick with the non-pro version.




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Review: Apple iPhone 13

The iPhone 13 has impressive cameras, 128 gigabytes of base storage, and longer battery life. And the A15 Bionic processor is also giving the performance a big jumpstart. But is this the upgrade you’ve been waiting for? Senior Writer Lauren Goode breaks down the iPhone 13.




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First Look: Apple iPhone SE 2022

The iPhone SE has been updated for 2022! It boasts the A15 Bionic chip for fast processing, a 4.7-inch screen, and camera upgrades. Reviews editor Julian Chokkattu gives us a first-hand look at what the SE is all about.




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Why Smartphone Night Photos Are So Good Now

Taking photos at night on your phone used to look terrible, but recent phones have much improved capabilities. Julian Chokkattu, reviews editor at WIRED, explains how smartphone camera technology has gotten so much better.




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The Truth About Your Phone: 17+ Phone Myths Answered

We all have plenty of questions about our phones. Is our phone always listening to us? Is it safe to use while pumping gas? Does closing apps help our phone perform better? Former Apple store tech David Payette is here to set the record straight. Director: Trevor Locke Director of Photography: Rahil Ashruff Editor: Louis Lalire Host: David Payette Coordinating Producer: Kevyn Fairchild Line Producer: Joseph Buscemi Associate Producer: Shelby Bomah Production Manager: Eric Martinez Production Coordinator: Fernando Davila Casting Producer: Thomas Giglio Talent Booker: Nicole Ford Camera Operator: Cloud Audio: Gabe Quiroga Gaffer: Cody Blevins Production Assistant: Caleb, Clark Lea Donenberg Post Production Supervisor: Alexa Deutsch Post Production Coordinator: Ian Bryant Supervising Editor: Doug Larsen Assistant Editor: Andy Morell Graphics Supervisor: Ross Rackin Designer: Samuel Fuller 00:00 - Tech Truths with David Payette 00:21 - Is my phone listening to me? 02:03 - Are our phones watching us? 02:59 - Do our phones track us even when they are off? 04:20 - Does your phone get better service depending on how you hold it? 04:27 - Does your phone ruin credit cards or hotel room keys? 04:48 - Will a magnet wipe your phone? 04:57 - Do phones attract lightning? 05:07 - Is it safe to hold your phone when pumping gas? 05:15 - Can your phone be hacked on public WiFi or random USB chargers? 06:23 - Is Airplane Mode really necessary? 07:32 - Does dark mode help your eyesight? 08:20 - Is planned obsolescence real? 09:28 - How waterproof are our phones? 10:33 - Does closing apps enhance your phone’s performance? 11:43 - What’s the deal with exploding phone batteries? 12:40 - What’s the best way to charge our phones? 13:48 - How often do you need to clean your phone’s screen?




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Reed­er 4 vs Feed­ly: Which RSS Read­er Is Bet­ter on iPhone

Today, we have several modes and tools for consuming news. Browsers such as Opera, Chrome, and Microsoft Edge offer news integration right on their respective home screens. News providers are reaching more readers via social channels, which can get overwhelming at times. If you are an RSS feeds lover, like many others on the GT team, there are a few worthy RSS Feed reader apps for iPhone. Feedly and Reeder 4, which was launched last year, are two of the best RSS readers on iOS.




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Asian Chat Room Discover Scorching Asian Girls Round Me Iphone App

So, if you choose doing every little thing through your mobile units, Asian chat apps are what you want. The chatter rooms are appropriate for younger individuals, teenagers, and middle-aged customers. Asian teen chat room helps teenagers to do away with their complexes, for instance. While using chat room you can also take heed to […]




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Smartphones and quicker deliveries to drive India’s e-commerce

However, in terms of e-commerce penetration, India lags behind global peers




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Cell Phones and Cancer Risk

A fact sheet that outlines the available evidence regarding use of cellular/mobile telephones and cancer risk.




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Charge your cell phone while riding your bike



  • Solutions & Co

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Former BRS MLA ‘skips’ police questioning in phone tapping case




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Technology Adoption and Access to Credit via Mobile Phones [electronic journal].




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Ex-centric Narratives: Journal of Anglophone Literature, Culture and Media [electronic journal].




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Kremlin denies Putin and Trump spoke on phone

Kremlin spokesman Dmitry Peskov told journalists that the Washington Post report was "simply false information", denying any phone call took place




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A portable fluorescence detection device based on a smartphone employing carbon nanodots for Mn2+ sensing

Anal. Methods, 2024, 16,2101-2110
DOI: 10.1039/D4AY00027G, Paper
Pijika Mool-am-kha, Samuch Phetduang, Kessarin Ngamdee, Chayada Surawanitkun, Xiang-Kui Ren, Wittaya Ngeontae
A low-cost, portable, and low-energy consumption fluorescence reader-based smartphone device employing carbon nanodots for detection of Mn2+.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Sodium alginate hydrogelation mediated paper-based POCT sensor for visual distance reading and smartphone-assisted colorimetric dual-signal determination of L-lactate

Anal. Methods, 2024, 16,2077-2084
DOI: 10.1039/D4AY00041B, Paper
Wenjuan Wang, Danrong Chen, Yujiao Cai, Zijing Liu, Hongfen Yang, Hongbin Xie, Jinquan Liu, Shengyuan Yang
Here, we show a paper-based POCT sensor based on lactate dehydrogenase-mediated alginate gelation combined with visual distance reading and smartphone-assisted colorimetric dual-signal analysis to determine the concentration of L-lactate in yogurt samples.
The content of this RSS Feed (c) The Royal Society of Chemistry




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By 2021, India to have 810 m smartphone subscriptions




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‘India is a bright spot in global smartphone scene’




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Telephone cord blister formation in solvent swollen elastomer films

Soft Matter, 2024, Advance Article
DOI: 10.1039/D4SM01035C, Paper
Open Access
James S. Sharp, Nathaniel M. Roberts, Sam Walker
Telephone cord blister formation is studied in PDMS films swollen in four different solvents. Buckling and fracture mechanics theories are developed to interpret blister morphology and growth rates. A simple surface patterning method is introduced.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Building a Dictaphone Using Media Recorder and getUserMedia

Chris Mills brushes up his shorthand and shows how the MediaStream Recording API in modern browsers can be used to capture audio directly from the user’s device. Inching ever closer to the capabilities of native software, it truly is an exciting time to be a web developer.


The MediaStream Recording API makes it easy to record audio and/or video streams. When used with MediaDevices.getUserMedia(), it provides an easy way to record media from the user’s input devices and instantly use the result in web apps. This article shows how to use these technologies to create a fun dictaphone app.

A sample application: Web Dictaphone

To demonstrate basic usage of the MediaRecorder API, we have built a web-based dictaphone. It allows you to record snippets of audio and then play them back. It even gives you a visualisation of your device’s sound input, using the Web Audio API. We’ll just concentrate on the recording and playback functionality in this article, for brevity’s sake.

You can see this demo running live, or grab the source code on GitHub. This has pretty good support on modern desktop browsers, but pretty patchy support on mobile browsers currently.

Basic app setup

To grab the media stream we want to capture, we use getUserMedia(). We then use the MediaRecorder API to record the stream, and output each recorded snippet into the source of a generated <audio> element so it can be played back.

We’ll first declare some variables for the record and stop buttons, and the <article> that will contain the generated audio players:

const record = document.querySelector('.record');
const stop = document.querySelector('.stop');
const soundClips = document.querySelector('.sound-clips');

Next, we set up the basic getUserMedia structure:

if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
   console.log('getUserMedia supported.');
   navigator.mediaDevices.getUserMedia (
      // constraints - only audio needed for this app
      {
         audio: true
      })

      // Success callback
      .then(function(stream) {

      })

      // Error callback
      .catch(function(err) {
         console.log('The following `getUserMedia` error occured: ' + err);
      }
   );
} else {
   console.log('getUserMedia not supported on your browser!');
}

The whole thing is wrapped in a test that checks whether getUserMedia is supported before running anything else. Next, we call getUserMedia() and inside it define:

  • The constraints: Only audio is to be captured for our dictaphone.
  • The success callback: This code is run once the getUserMedia call has been completed successfully.
  • The error/failure callback: The code is run if the getUserMedia call fails for whatever reason.

Note: All of the code below is found inside the getUserMedia success callback in the finished version.

Capturing the media stream

Once getUserMedia has created a media stream successfully, you create a new Media Recorder instance with the MediaRecorder() constructor and pass it the stream directly. This is your entry point into using the MediaRecorder API — the stream is now ready to be captured into a <Blob>, in the default encoding format of your browser.

const mediaRecorder = new MediaRecorder(stream);

There are a series of methods available in the MediaRecorder interface that allow you to control recording of the media stream; in Web Dictaphone we just make use of two, and listen to some events. First of all, MediaRecorder.start() is used to start recording the stream once the record button is pressed:

record.onclick = function() {
  mediaRecorder.start();
  console.log(mediaRecorder.state);
  console.log("recorder started");
  record.style.background = "red";
  record.style.color = "black";
}

When the MediaRecorder is recording, the MediaRecorder.state property will return a value of “recording”.

As recording progresses, we need to collect the audio data. We register an event handler to do this using mediaRecorder.ondataavailable:

let chunks = [];

mediaRecorder.ondataavailable = function(e) {
  chunks.push(e.data);
}

Last, we use the MediaRecorder.stop() method to stop the recording when the stop button is pressed, and finalize the Blob ready for use somewhere else in our application.

stop.onclick = function() {
  mediaRecorder.stop();
  console.log(mediaRecorder.state);
  console.log("recorder stopped");
  record.style.background = "";
  record.style.color = "";
}

Note that the recording may also stop naturally if the media stream ends (e.g. if you were grabbing a song track and the track ended, or the user stopped sharing their microphone).

Grabbing and using the blob

When recording has stopped, the state property returns a value of “inactive”, and a stop event is fired. We register an event handler for this using mediaRecorder.onstop, and construct our blob there from all the chunks we have received:

mediaRecorder.onstop = function(e) {
  console.log("recorder stopped");

  const clipName = prompt('Enter a name for your sound clip');

  const clipContainer = document.createElement('article');
  const clipLabel = document.createElement('p');
  const audio = document.createElement('audio');
  const deleteButton = document.createElement('button');

  clipContainer.classList.add('clip');
  audio.setAttribute('controls', '');
  deleteButton.innerHTML = "Delete";
  clipLabel.innerHTML = clipName;

  clipContainer.appendChild(audio);
  clipContainer.appendChild(clipLabel);
  clipContainer.appendChild(deleteButton);
  soundClips.appendChild(clipContainer);

  const blob = new Blob(chunks, { 'type' : 'audio/ogg; codecs=opus' });
  chunks = [];
  const audioURL = window.URL.createObjectURL(blob);
  audio.src = audioURL;

  deleteButton.onclick = function(e) {
    let evtTgt = e.target;
    evtTgt.parentNode.parentNode.removeChild(evtTgt.parentNode);
  }
}

Let’s go through the above code and look at what’s happening.

First, we display a prompt asking the user to name their clip.

Next, we create an HTML structure like the following, inserting it into our clip container, which is an <article> element.

<article class="clip">
  <audio controls></audio>
  <p>_your clip name_</p>
  <button>Delete</button>
</article>

After that, we create a combined Blob out of the recorded audio chunks, and create an object URL pointing to it, using window.URL.createObjectURL(blob). We then set the value of the <audio> element’s src attribute to the object URL, so that when the play button is pressed on the audio player, it will play the Blob.

Finally, we set an onclick handler on the delete button to be a function that deletes the whole clip HTML structure.

So that’s basically it — we have a rough and ready dictaphone. Have fun recording those Christmas jingles! As a reminder, you can find the source code, and see it running live, on the MDN GitHub.


This article is based on Using the MediaStream Recording API by Mozilla Contributors, and is licensed under CC-BY-SA 2.5.


About the author

Chris Mills manages the MDN web docs writers’ team at Mozilla, which involves spreadsheets, meetings, writing docs and demos about open web technologies, and occasional tech talks at conferences and universities. He used to work for Opera and W3C, and enjoys playing heavy metal drums and drinking good beer.

More articles by Chris




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Putting the smartphone in its place

A mathematics teacher turned counsellor is on a mission to promote digital well-being across classrooms and homes




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Trump, Putin speak over phone, discuss ending war in Ukraine: Report

‘The two men discussed the goal of peace on the European continent’




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Police fail to confirm hacking of IAS officer’s phone in row over religious WhatsApp group

Opposition accuses CM of turning a blind eye to the infiltration of the IAS by fundamentalists




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How will you fund the iPhone X?

Prospective buyers tell us how they plan to go about it




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The Glyphs continue to glitter! Nothing Phone (2a) review

The rebel kid on the block brings its latest innovation home




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From vacuum cleaners to headphones, Dyson’s legacy of innovation continues

Mark Heard, engineering manager at Dyson on how and why the brand has journeyed from vacuum cleaners towards styling products and now headphones.




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iPhone 16 Pro - Unboxing




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iPhone 16 Plus Review: Bigger, bolder and raring to go!

Carrying over its earlier strengths, and marrying those with new hardware and software elements, make this more appealing than ever





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Apple’s new iPhone 14 to show India closing tech gap with China

Tech giant is seeking alternatives as Xi Jinping’s administration clashes with the US and imposes lockdowns across the country




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Will Reliance Jio’s affordable 5G smartphone disrupt the handset market?

5G enabled smartphones are presently priced above ₹15,000 and only 20 per cent of smartphones sold in India are 5G enabled




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Nokia launches eco-friendly smartphones, subscription service Circular

Nokia also introduced three smartphones and a tablet



  • Mobiles &amp; Tablets

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Apple maintains prices on new iPhones despite inflation

New iPhone14 models to boast better cameras, faster processors and a longer lasting battery




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Apple may move a quarter of iPhone production to India by 2025: JP Morgan

25 per cent of all Apple products, including Mac, iPad, Apple Watch and AirPods, to be manufactured outside China by 2025



  • Mobiles &amp; Tablets

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Apple drops plan to raise iPhone output on faltering demand

Demand for Apple’s higher-priced iPhone 14 Pro models is stronger than for entry-level versions: Sources



  • Mobiles &amp; Tablets

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Apple iPhone exports from India double in boon to PM’s plan

India-made iPhone exports are set to reach $2.5 billion in the 12 months through March 2023, as against $1.3 billion worth exported in the year through March 2022



  • Mobiles &amp; Tablets

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Apple iPhone 14 Review

With minimal upgrades, this one falls short of expectations




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Apple cuts production of iPhone 14 Plus: Report

The company is re-evaluating demand for the mid-range model, the report said




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Key iPhone supplier sees steady fall in smartphone demand

China downturn hurting smartphone sales, says Murata




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Union Minister speaks to Apple after reports of iPhone 14 Pro running out of stock

Apple is addressing the surge in demand and supply constraints, Rajeev Chandrasekhar tweeted 



  • Mobiles &amp; Tablets

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Govt warns of multiple iPhone, iPad vulnerabilities

CERT-In advised users to apply necessary software updates.



  • Mobiles &amp; Tablets