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Tech & Science Qualcomm made a USB-C DAC to show off its hi-fi audio tech

05:36  08 december  2017
05:36  08 december  2017 Source:   engadget.com

Apple accuses Qualcomm of patent infringement in countersuit

  Apple accuses Qualcomm of patent infringement in countersuit Apple has denied the claims that it violated Qualcomm's battery life patents and alleged that Qualcomm's patents were invalid, a common move in such cases. But on Wednesday, in a filing in U.S. District Court in San Diego, Apple revised its answer to Qualcomm's complaint with accusations of its own. Apple alleges it owns at least eight battery life patents that Qualcomm has violated.The Apple patents involve ensuring each part of a phone's processor draws only the minimum power needed, turning off parts of the processor when they are not needed and making sleep and wake functions work better.

At its Tech Summit today, the company announced its first dedicated Hi - Fi audio DAC , which has a very memorable name -- AQT1000. And to be clear, Qualcomm already makes DACs and audio codecs, but this is its first USB - C Hi - Fi DAC .

It has an integrated DAC ( digital -to- analog converter ) that supports native Direct-Stream Digital (DSD) and pulse-code modulation (PCM) Hi - Fi audio playback. Qualcomm Aqstic active-noise-cancellation technology now makes experiencing uninterrupted music and crystal-clear audio during

a screen shot of a computer © Provided by Engadget If you're familiar with the name Qualcomm at all, you may know them best as the maker of Snapdragon processors that power many, if not most, of the market's leading smartphones. But Qualcomm doesn't just makeCPUs and modems, and it can now add Hi-Fi DACs (or digital-to-analog converters) to its list of products. At its Tech Summit today, the company announced its first dedicated Hi-Fi audio DAC, which has a very memorable name -- AQT1000.

Of course, per Qualcomm's usual way of doing business, the company isn't selling these devices directly to consumers, but the DAC will be available to headphone makers "for 2018 products." And to be clear, Qualcomm already makes DACs and audio codecs, but this is its first USB-C Hi-Fi DAC.

Samsung has moved on to second-gen 10-nanometer chips

  Samsung has moved on to second-gen 10-nanometer chips The faster, lower-power chips could power next-gen Qualcomm processors.The new 10-nanometer LPP chips are reportedly manufactured in much the same way as Samsung's current LPE wafers, so little delay is expected for full volume production. Samsung has already qualified its 8-nanometer chips that, despite having smaller traces, are also manufactured in much the same way as its 10-nanometer processors.

In addition to unveiling the latest generation of its high -end mobile processor, Qualcomm also announced new Snapdragon-powered laptops from HP and ASUS, a new dedicated Hi - Fi audio DAC and a partnership with AMD.

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The AQT1000 looks to be a compact size for what it is. Typical headphone DACs tend to be bulky, and while the Apogee Groove (released in 2015) was relatively small for the category, it is expensive and not USB-C compatible (yet).

While the Groove can stream music at 24bit quality, the AQT1000 can do so at 32bit, allowing for richer, fuller sound. Qualcomm's external DAC also has a dynamic range of 123 decibels and comes with native DSD (direct stream digital).

Although this isn't really a consumer product yet, it looks like a decent accessory out of Qualcomm's Aqstic Hi-Fi arm, and could help audio manufacturers offer USB-C to analog audio jack dongles more easily.

Amazon adds support for Spotify with multiroom audio on Echo devices .
Amazon announced today that it’s adding support for Spotify and SiriusXM to the multiroom audio feature on Echo devices, letting users synchronize music across multiple rooms. Amazon launched the multiroom audio feature earlier this year, supporting Amazon Music Unlimited, TuneIn, iHeartRadio and Pandora. But now, as Amazon promised back in August, Spotify (and SiriusXM, if that was a deal-breaker for you) will work with multiroom playback, too. For now, Spotify is only available with multiroom audio on the Echo in the US, UK, Germany, Canada, and Ireland, while SiriusXM is only in the US.

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