Surround Sound Via Bluetooth? Not So Fast…

Surround Sound Via Bluetooth? Not So Fast…

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There was plenty of big tech news to come out of IFA this past September – from voice AI alliances, to the unveiling of Sony’s venture into the smart speaker realm – the end of 2017 has given us a glimpse into what innovations we can look forward to in 2018. A popular trend we noticed at IFA was the expansion of wireless technologies – from headphones, to speakers and smart phones – wireless capabilities are evolving from a simple point-to-point connection (Bluetooth) to more complex multi-room, multi-channel streaming over standard Wi-Fi. We found that the war between Bluetooth and Wi-Fi for wireless connectivity is still being fought, but some concessions have been made (for example, new Marshall Headphones Bluetooth speakers have added Wi-Fi for multi-room capabilities, signaling an acknowledgement of the limitations of Bluetooth.)

 

One headline in particular caught our eye during IFA regarding the Bluetooth capabilities in the new Moto X4 smart phone, which allows users to link the phone with up to four devices simultaneously. According to CNET, “[t]his is the first phone that lets you broadcast your music to multiple different Bluetooth devices at once. You can connect the phone to four different speakers or headphones — of any kind, as long as they have an A2DO profile — and play the music in sync across all four.” This technology is being lent to Motorola by French startup, Tempow, who specialize in multi-Bluetooth audio and hope to see their version of Bluetooth embedded into smart TVs in the near future to achieve “surround sound-like capabilities” in the living room.

 

The truth is, even with the added ability to connect to more than one device, Bluetooth still has too many drawbacks as a wireless standard to fuel the smart home of the future. For example, you’ll experience interruptions in your music if you get a call or text while using your phone as a source device; there are severe range limitations (around 30 feet), and it produces low quality sound (Bluetooth uses “lossy data compression,” which means that it encodes its data in inexact approximations and partial data discarding to represent its content. This creates a more garbled sound quality and makes Bluetooth audio devices more vulnerable to dropouts.)

 

Wi-Fi, on the other hand, has a much longer range than Bluetooth (roughly 100 feet inside, and up to 300 feet outside) so you can use one system throughout the entire home and extend it into your backyard if you place your router in a central location. Not only can Wi-Fi connect to more than four speakers at a time to create a real 5.1 surround sound system, it can support multi-room systems and multiple channels, which Bluetooth can not. This means that within your wireless home entertainment system, you can actually create a system of speakers, such as “left,” “right,” “center,” and “stereo.” You can also choose to play one speaker, multiple speakers, or all of your speakers at any given time, without always having to reconfigure the devices. Wi-Fi systems also tend to support superior sound quality because they have a wider bandwidth than Bluetooth and it uses a lossless codec, which Bluetooth does not. Therefore, Wi-Fi can support high resolution and lossless audio without significant lag. So for true surround sound in your living room, or anywhere else in your home, Wi-Fi is the best and only wireless standard option. For more information about the differences between Bluetooth and Wi-Fi, check out this blog post.

 

Tempow’s multi-Bluetooth technology in the new Moto X4 smart phone has gotten some people excited, especially when it comes to situations where Wi-Fi isn’t available, like at a park or the beach. But in the home, the overall limitations of Bluetooth as a wireless standard prevents it from achieving what Wi-Fi already does. Need we say more?

WiFi vs. Bluetooth

WiFi vs. Bluetooth

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Bluetooth. Developed in 1994 by telecommunications vendor, Ericsson, Bluetooth has a transmission range of about 30 feet, so it’s best used with systems in close proximity. Therefore, wireless audio and entertainment systems that use Bluetooth won’t be able to cover more than one room at a time, let alone your entire home.

Bluetooth does not connect to any network, but rather, connects directly to your laptop, smartphone, or tablet (basically any music playing device). This isn’t too closed off a system, because most devices have Bluetooth capability. However, if you are using your smartphone as a source for your music, it must remain within 30 feet of your Bluetooth speakers. Additionally, if you happen to receive a call or text while your phone is connected to your Bluetooth speakers, your music will be interrupted and the speakers will amplify the text alert or ringing.

Bluetooth uses something called “lossy data compression,” which means that it encodes its data in inexact approximations and partial data discarding to represent its content. This can create poor sound quality and makes Bluetooth audio devices more vulnerable to dropouts.

On the plus side, Bluetooth is very easy to use: just turn on the Bluetooth receiver in your Bluetooth enabled devices (such as a speaker and your smartphone) and they should discover each other almost instantaneously.

 

Wi-Fi. Although researched and developed throughout the 1980’s and 90’s, Wi-Fi was officially released in 1997 and has been universally adopted into homes, offices, coffee shops, trains – basically everywhere you go. Wi-Fi has a much longer range than Bluetooth, roughly 100 feet inside, and up to 300 feet outside, so you can use one system throughout the entire home, extending into your backyard if you place your router in a central location. Not only can Wi-Fi connect to multiple speakers (which Bluetooth can not), it can also support multiple channels. This means that within your wireless home entertainment system, you can actually create a system of speakers, such as “left,” “right,” “center,” and “stereo.” You can also choose to play one speaker, multiple speakers, or all of your speakers at any given time, without reconfiguration.

The initial configuration of Wi-Fi enabled home entertainment systems are much more complex than Bluetooth, but unlike Bluetooth, your Wi-Fi systems will always remember your devices (if you are logged into the same Wi-Fi network.) Therefore, with Wi-Fi, you’ll never have to worry about pairing your devices before each use.

Audiophiles tend to prefer Wi-Fi systems due to its superior sound quality; Wi-Fi systems have a wider bandwidth than Bluetooth and uses a lossless codec, which Bluetooth does not. With this in play, Wi-Fi can support high resolution, lossless audio without significant lag.

 

While Bluetooth speakers are great in compact, portable form, Wi-Fi produces better sound quality, longer range, and has multi speaker/channel capability.

 

The Future is Wireless

The Future is Wireless

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It’s hard to imagine a world without wires, but that’s precisely where we may find ourselves in the next few years, with 2018 serving as an especially pivotal moment in wireless adoption and breakthroughs. For years, manufacturers have promised an end to “wirey, tangled-mess woes,” but it’s looking as if they are now making good on their promise. With the prevalence of Wi-Fi in homes, cafes, airports, and basically anywhere else you may find yourself needing internet, the need for physical network cables, like ethernet cables, have pretty much become obsolete. And speaking of cafes and airports: many of them now offer free wireless charging stations.

 

Since Apple unveiled their commitment to the Qi wireless charging standard in their latest iPhones this past fall, the wireless charging industry, which had been plagued by a lack of standardization, seems to be siding with Qi from here on out. Soon after the big Apple announcement, Powermat, who provide wireless charging mats at Starbucks, said that they will add Qi compatibility to their product. But Apple isn’t the only company who has sided with Qi: Samsung (Galaxy S8, Note 8), IKEA, and a plethora of automobile manufacturers have began to support Qi wireless charging. Who else will begin to support this standard in 2018? We expect a lot more manufacturers to follow suite. However, this sort of charging isn’t technically wireless (the charging mat still needs to be plugged into an outlet). But there are a few companies who are creating charging options that are truly wireless, such as Energous, Ossia, and Wi-Charge. (To learn more about these companies, check out this blog post).

 

To the irritation of many users, smartphones are doing away with the 3.5mm audio jack, paving the way for the exclusive use of Bluetooth wireless headphones (unless you use a dongle to plug your wired headphones into your phone’s Lightning port or USB-C port). But companies like Apple and Google would rather you spend $150+ on a pair of their wireless AirPods or Pixel Buds. And unfortunately for all us audio-enthusiasts out there: the audio quality produced by Bluetooth headphones is worse than a wired headset because audio is re-compressed over Bluetooth. So, the extinction of the audio jack on the smartphone may solve the problem of having to untangle your headphones before each use, but it significantly cheapens the user’s listening experience.  

 

But there are many things to look forward to in the years ahead: there’s the expansion of wireless charging for laptops and 5G wireless services, just to name a few. And we’re sure to see many more innovations down the road, because wireless technology is essential to the smart home of the future. But one thing we know for sure: with Blackfire technology embedded into a smartspeaker, smart TV, set top box, smartphone and more, the whole home can be wirelessly connected. Combining individual entertainment systems to work together, creating a truly connected smart home is non trivial – it requires precise synchronization, low latency for lip sync, and a general reliability over standard Wi-Fi (the best and most commonly used communication protocol for the home.) Something like this has not been done before – until now.

Blackfire provides the industry’s only wireless and entertainment-centric infrastructure software framework built from the ground up to both overcome the limitations of Wi-Fi when used for media applications, and meet the needs of wireless entertainment-related consumer applications and products. It’s not enough to merely have Wi-Fi connectivity between consumer products. Real-time exchanges of entertainment content require a common framework that can work reliably over Wi-Fi, and has a rich set of features for a broad spectrum of entertainment products. Blackfire technology also supports low latency and multi-channel, which other wireless solutions do not.

 

It may be hard to imagine a world without wires, but with Blackfire in your entertainment devices, cutting the cord has never felt more seamless.

The Smart Home: Where it Stands at Year’s End

The Smart Home: Where it Stands at Year’s End

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Up until recently, the notion of a smart home had been a sci-fi fantasy, with tech enthusiasts eagerly awaiting the day their kitchens or living rooms resemble the deck of the Starship Enterprise. To the joy of many, 2017 was labeled “The Year of the Smart Home,” when smart home products that had, up until this point, been popular with niche tech groups and the early adopter crowd would finally make it big in the mainstream market. The year began with an abundance of connected, “smart things” at CES in January – from washer/dryer units and refrigerators, to security cameras and thermostats – many of which incorporated built-in Amazon Alexa or Google Assistant voice control capabilities. But overall, how did smart home products live up to the hype in 2017?

 

It was the introduction of the Amazon Echo Smart Speaker back in 2014 that triggered interest in mainstream smart home gadgets. For the first time, the market had an inexpensive, easy-to-use, beneficial smart product everyone in the home could enjoy. Since then, tech companies and manufacturers have been playing “catch up,” some fairly successfully, like Google, and othersnot so much. With the introduction and influx of smart speakers, other connected products, like Philips Hue Smart Lighting, have gained popularity because they serve as perfect additions to the Echo connected things ecosystem. And, thanks to Amazon’s Echo, voice control has now become the key remote interface within the home.

 

Media research group, Kagan, reports that the number of smart homes in the U.S. grew to over 15 million by the end of last year, which equated to about 12.5% of all U.S. households. According to another report, 26.5% of all U.S. households in 2017 now have at least one smart home product.

 

However, in 2017, consumers are still skeptical about the security of these pricey gadgets. And in a year full of cyber-security disasters, homeowners are growing more anxious about the safety of these products, with a common fear amongst consumers being that intelligent alarm systems and locks can be easily hacked by intruders and that smart TVs and speakers will spy or eavesdrop on unsuspecting users. But according to Business Insider, 2017 smart home adoption problems don’t stem from security issues, but rather, from issues that have plagued these products since the get-go: “high prices, technological fragmentation, and consumers’ lack of a perceived benefit from the devices.”

 

Although prices are steadily dropping, there hasn’t been a strong enough demand for these products to justify the cost. Consumer awareness of the value of smart home products is helping somewhat, but there are plenty of challenges still facing these device brands and manufacturers, such as interoperability issues, security, and overall usability. In 2017, the connected living expanded significantly, and in 2018, it’s expected to continue to grow steadily in the U.S., driven by an expanding number of connected, smart devices in the market.

The Harman Kardon Invoke Smart Speaker

The Harman Kardon Invoke Smart Speaker

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Premium home audio manufacturer and Blackfire Research partner, Harman Kardon, has teamed up with Microsoft to take on Amazon, Google, and Apple in the smart speaker realm. The Harman Kardon Invoke is the newest smart speaker on the market. While Amazon’s Echo line of smart speakers have Alexa as it’s voice assistant, the Invoke’s voice AI is powered by Microsoft’s Cortana, which makes this an excellent smart speaker for Windows lovers. This is the first smart speaker to feature the Cortana voice assistant, which in the past has lived in Microsoft’s Xbox One and Windows 10 PCs.

 

The beautifully designed Invoke smart speaker is cylindrical in shape, with a narrow top and wide base (107 x 242mm), and comes in either pearl silver or graphite. The Invoke features 360-degree audio with three 45mm woofers, three 13mm dome tweeters, dual-band (2.4GHz/5Ghz) wireless connectivity, Bluetooth, and seven far-field microphones (which can be muted). Through voice commands, you can ask the Cortana powered smart speaker to stream music, set reminders, control paired smart devices, manage your Office 365 and/or Outlook calendar, ask questions, get the news, and make/receive hands-free calls via Skype to mobile phones, landlines and Skype-enabled devices. At the moment, the Invoke only works with three streaming services: Spotify, iHeartRadio, and TuneIn, but Microsoft has promised that Cortana will support Pandora sometime in the future.

 

And because the Invoke smart speaker is by Harman Kardon, you know the audio will sound great. In fact, according to Digital Trends, the Invoke’s audio performance beat out the Amazon Echo and The Google Home.

For more information on The Invoke, check out the Harman Kardon website, and the Microsoft website. The Harman Kardon Invoke retails for $199.00.