Author Archives: Tim

Review: Nuance Dragon Naturally Speaking 13

I have great admiration for Nuance Dragon Naturally Speaking, mainly because of its superb text recognition engine. New versions appear regularly and the recognition engine seems to improve a little each time. The recently released version 13 is no exception, and I am getting excellent results right now as I dictate into Word.

If you are still under the illusion that dictation is not viable unless you are unable to type, it may be that you have not tried Dragon recently. Another possibility is that you tried Dragon with a poor microphone. I recommend a high quality USB headset such as those from Plantronics or Jabra. USB is preferred since you are not dependent on the microphone preamplifier built into your PC, which is often poor.

At the same time, Dragon can be an intrusive application. The problem is that Dragon tries to accomplish two distinct tasks. One is to enable dictation and to some extent transcription of recordings, which is something anybody might want to take advantage of. For example, one of my uses is transcribing interviews, where I play my recording into a headset and read it back into the microphone. It is a lot quicker than the normal stop-start typing approach and even if it is a little less accurate the time-saving is worthwhile.

Incidentally, Dragon is nowhere near smart enough yet to transcribe an interview directly. Background noise combined with the variety of accents used make this generally a hopeless task. In principle though, there is no reason why software should not be able to accomplish this as both processing power and algorithms improve so watch this space.

The other task for which people use Dragon is as an assistive technology. Those unable to use mouse and keyboard need to be able to navigate the operating system and its applications by other means, and Dragon installs the hooks necessary for this to work. This is where the intrusive aspect comes to the fore, and I wish Dragon had a stripped down install option for those who simply want dictation.

I had some issues with the Outlook add-in, which I do not use anyway. Outlook complained about the add-in and automatically disabled it, following which it was Dragon’s turn to sulk:

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That said, it is possible to configure it as you want. Because of this kind of annoyance, I tend to avoid Dragon’s add-ons for applications like Microsoft Outlook and Internet Explorer. If you are using Dragon as an assistive tool though, you probably need to get them working.

Dragon can be fiddly then, which is why users who dive in and expect excellent results quickly may well have a bad experience. Speech recognition and interaction with applications that were primarily designed for mouse and keyboard is a hard task; you will have to make some effort to get the best from it.

What’s new?

So what is new in version 13? The first thing you will notice is that the Dragon bar, which forms the main user interface, has been redesigned. The old one is docked right across the top of the screen by default and has traditional drop-down menus. You can also have it floating like this:

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The new bar has modern touch-friendly icons, though these turn out to be drop-down menus in disguise:

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There is also an option to collapse the bar when not in use, in which case it goes tiny:

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Another user interface change is that the handy Dragon Sidebar, a help panel which shows what commands you can use in the current application and which changes dynamically according to context, has been revamped as the Learning Center. Here it is in Word, for example:

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I like the Learning Center, which is a genuine help until you are familiar with all the commands.

The changes to the Dragon  user interface are mostly cosmetic, but not entirely. One innovation is that the Dragon Bar now works in Store apps in Windows 8. Here I am dictating into Code Writer, a Store app:

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It works, but this seems to be work in progress. Dragon is really a desktop application, and I found that some commands would mysteriously bounce me back to the desktop, and others just did not work. For example, the Bar prompted me to open the Dictation Box for an unsupported application, and moments later informed me that it could not be used here.

Another issue is that the Bar sits over the full-screen app, obstructing some of the text. You can workaround this by shunting it to the right. My guess though is that you will have a frustrating time trying to use Dragon with Store apps; but it is good to see Nuance making the effort.

What else is new? Well, Nuance has made it easier to get started, and no longer forces you to complete a training exercise (training Dragon to understand you, not you to understand Dragon) before you can use a profile. It is not really a big change, since you should do this anyway in order to get good results.

There is also better support for web browsers other than Internet Explorer. In particular, there are extensions for Chrome and Firefox which Nuance says gives “full text control”.

Worth upgrading?

If you want or need speech to text, Dragon is the best option out there, much better in my experience than what is built into Windows, and better on Windows than on a Mac. In that respect, I recommend it; though with the caveat that you should work with a high quality microphone and be willing to invest time and effort in training its recognition engine and learning to use it.

If you have an earlier version, even as far back as 11, is 13 worth the upgrade? That is hard to say. The user interface changes are mostly cosmetic; but if you use the latest Microsoft Office then getting the latest Dragon is worth it for best compatibility.

The other factor is the gradually improving speech recognition. Comparing the accuracy of, say, version 11 with version 13 would be a valuable exercise but sadly I have not found time to do it. I can report my impression that it makes fewer errors than ever in this version, but that is subjective.

Frankly, if you use dictation a lot, get the latest version anyway; even small improvements add up to more productivity and less frustration.

Foobar2000 goes mobile: funding secured for iOS, Android and Windows Phone versions

Popular free music player foobar2000 is coming to mobile platforms, following a successful community fundraising campaign.

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Curiously this is not a Kickstarter campaign even though it looks similar.

The project is the outcome of collaboration between Steve Elkins (known as “Spoon”) who is the creator of dBpoweramp, an excellent audio converter and CD ripper for Windows, and foobar2000’s originator Peter Pawlowski.

The mobile version of foobar2000 will run on iOS 6 or later, on iPhone, iPod and iPad; Android v4 or later on phones and tablets; and Windows Phone 8 and Windows 8.1 tablets, ARM and Intel.

There will be both free and “fully featured premium” versions.

Additional projects for cloud synchronization and backup, and for social interaction built into foobar2000, have not yet received enough funding to proceed, and look unlikely to do so.

Foobar2000 is loved for its speed and efficiency, easy extensibility with plug-ins, and advanced functionality. Its user interface is functional rather than beautiful, though it is also easily customised. I use foobar2000 with a large collection, mostly Flac files ripped from CD, and foobar2000 manages the database transparently and with instant results.

Exactly what features mobile foobar2000 will have is not clear. The best source of public information I can find is this thread which includes input from Spoon. There may or may not be ads in the free versions; the cost of the premium versions is unannounced.

Review: Kingston Predator 1TB USB stick, huge capacity but at a price

You can never have too much storage. Cloud storage has solved some problems – for example, it is probably what you now use to show images to a friend or customer – but there are still plenty of cases when you want your stuff with you. Videos, large engineering drawings, backups, virtual hard drives, high resolution audio files; the list goes on.

The advent of tablets and ultrabooks with SSDs in place of hard drives also means that on-board storage has actually reduced, compared to that laptop you used to carry with you.

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Enter Kingston, with the HyperX Predator 1TB USB 3.0 flash drive (there is also a 512GB version). Open the tin box and there it is, complete with key ring and USB cable.

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It’s small compared to a hard drive, but large for a USB stick, measuring 72mm x 26.94mm x 21mm. However, the chunky size and zinc alloy case do give you the sense that Kingston means business.

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The pen does not come with the drive; I have included it in the picture above to give you an idea of the size; it is not really that large. Note too that the zinc alloy sleeve pulls out to protect the the USB connection; it slides open and shut a little too easily for my liking. Still, it is a smart design.

What about the performance? Kingston specifies 240 MB/s read and 160 MB/s write. On my Core i5 PC with USB 3.0 I get that or slightly better copying a file:

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There are some caveats though. Initially I tried using the supplied USB cable, but the drive did not work properly. If I tried to copy a 1.5GB file the drive dismounted itself and the copy failed. I plugged the drive directly into the USB 3.0 port and it then worked perfectly.

I then tried the drive on a laptop that which has a USB 3.0 port. It worked fine with or without the cable. I am not sure what to conclude from this other than USB can be finicky.

The design of the device means that you may not be able to push the USB connection fully home, or that the device may protrude below the base of your laptop or tablet. In these cases you do need the cable.

At this price I would like to see integrated encryption, though users can use Windows Bitlocker or similar to protect their data if it is sensitive.

Despite these niggles, the device is gorgeous and amazing, in terms of the capacity you can now put in your pocket.

Is it good value? It depends what you pay of course. Right now, this thing costs £679.98 on Amazon.co.uk, supposedly a 42% saving on an RRP of £1,169.99. But you could save some money by getting one of those portable USB 3.0 cases and sticking a 1TB SSD inside; currently a Samsung 1TB SSD costs £285.75 on Amazon as well as boasting better performance: 540 MB/s read and 520 MB/s write, though even USB 3.0 will slow it down a bit.

What you would end up with though is a portable drive that is bulkier and for which a cable is unavoidable. You cannot hang it on a keyring. It is less convenient.

So there it is: if you want a handy USB stick with 1TB capacity now you can have it, but at a price.

Specification

  • USB 3.0 backward compatible with USB 2.0
  • File format: exFAT
  • Speed1 USB 3.0: 240MB/s read and 160MB/s write. USB 2.0: 30MB/s read and 30MB/s write
  • Dimensions without key ring: 72mm x 26.94mm x 21mm

 

The Microsoft Screen Sharing for Lumia Phones HD10: silly name, nice product

How many committees does it take to come up with a name like Microsoft Screen Sharing for Lumia Phones HD10? Who knows, but the product is a nice one. It lets you project from your phone to any TV with an HDMI input, using the Miracast standard.

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Data is transferred to the device via Wi-Fi. You make the connection by tapping your phone on the separate coaster-like plate, which triggers the connection using NFC (Near Field Communication). The coaster talks to the device using Bluetooth.

The neat thing about this arrangement is that the main HD10 device will be close to your TV; it might even plug in at the back, out of sight. The coaster on the other hand can be on a table near your sitting position. You can come into the room, tap the coaster, and then view your photos and videos on the big screen in 1080p HD video quality.

At least, that is the idea as I understand it. Usability is key with this type of gadget, otherwise they do not get used, and this might just have it right.

The coaster thing can also be stacked on the main device as you can see from my blurry picture:

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Concerning the name, all your worst fears about Microsoft taking over Nokia have been confirmed. Concerning the device though, all is well. I suppose that is the right way round, but it is really so hard?

Price is $79 / 79€ with availability promised for later this month.

Microsoft’s glowing Lumia wireless charge pad can show alerts, but we get too many

Today Microsoft/Nokia made a number of announcements alongside the IFA show in Berlin, including a new wireless charging pad for its Lumia phones. Here is the new Lumia 830 while wireless charging.

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The new pad glows, with the cool feature being that the phone can send alerts to the pad which cause it to flash. This means that if your phone is charging on a table at home, you can see when there is an alert and pick up the phone to check it out.

What can send an alert? I was told that anything which can appear in the slide-down notification area in Windows Phone 8.1 can also send an alert to the pad, though the user can customise which ones are enabled.

The concept is good, but the difficulty is that we receive so many alerts (most of little real importance) that the pad will be constantly flashing, unless you manage to filter it down things that actually matter; maybe missed calls, voice messages and texts?

Future of music: files are over says WME music boss (or, why Apple bought Beats)

In February at the music industry conference Midem in Cannes, Marc Geiger of  WME (William Morris Endeavor), which represents artists across all media platforms, gave a keynote about the future of music. Geiger is head of the music department.

It is from six months ago but only just caught my ear.

Gieger argues that the streaming model – as found in Spotify, YouTube, Pandora and so on – is the future business model of music distribution. File download – as found in Apple iTunes, Amazon MP3, Google Play and elsewhere – is complex for the user to manage, limits selection, and full of annoyances like format incompatibilities or device memory filling up.

With unusual optimism, Gieger says that a subscription-based future will enable a boom in music industry revenue. The music server provider model “will dwarf old music industry numbers”, he says.

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Who will win the streaming wars? Although it is smaller players like Spotify and MOG that have disrupted the file download model, Gieger says that giant platforms with over 500 million customers will dominate the next decade. He mentions Facebook, YouTube, Amazon, Netflix, Google, Yahoo, Pandora, Apple iTunes, Baidu, Android (note that Google appears three times in this list).

Why will revenue increase? Subscriptions start cheap and go up, says Gieger. “Once people have the subscription needle in the arm, it’s very hard to get out, and prices go up.” He envisages premium subscriptions offering offline mode, better quality, extra amounts per family member, access to different mixes and live recordings.

The implication for the music industry, he says, is that it is necessary to get 100% behind the streaming model. It is where consumers are going, he says, and if you are not there you will miss out. “We’ve got to get out of the way, we’ve got to support it.” Just as with the introduction of CDs, it enables the business to sell its back catalogue yet again.

A further implication is that metadata is a big deal. In a streaming world, just as in in any other form of music distribution, enabling discovery is critical to success. Labels should be working hard on metadata clean-up.

Gieger does see some future for physical media such as CD and DVD, if there is a strong value-add in the form of books and artwork.

You can see this happening as increasing numbers of expensive super-deluxe packages turn up, complete with books and other paraphernalia. For example, Pink Floyd’s back catalogue was reissued in “Immersion” boxes at high prices; the Wish you were Here package includes 9 coasters, a scarf and three marbles.

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This sort of thing becomes more difficult though as consumers lose the disc habit. If I want to play a VHS video I have to get the machine down from the loft; CD, DVD and Blu-Ray are likely to go the same way.

Geiger’s analysis makes a lot of sense, though his projected future revenues seem to me over-optimistic. People love free, and there is plenty of free out there now, so converting those accustomed to playing what they want from YouTube to a subscription will not be easy.

That is a business argument though. From a technical perspective, the growth of streaming and decline of file download does seem inevitable to me (and has done for a while).

Listen to the talk, and it seems obvious that this is why Apple purchased Beats in May 2014. Beats offers a streaming music subscription service, unlike iTunes which uses a download model.

Why Apple needed to spend out on Beats rather than developing its own streaming technology as an evolution of iTunes remains puzzling though.

Finally, Gieger notes the need to “put out great music. After we all have access to all the music in the world, the quality bar goes up.” That is one statement that is not controversial.

Here is the complete video:

Review: Vibe FLI Over headphones with “Extreme bass”

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Can you get true bass from headphones? Arguably not quite, since you can feel real bass in your chest, whereas with headphones the air simply is not moving. You can still get the sound right, and that is the promise of Vibe’s Fli-over headphones with “extreme bass”.

This promise caught my interest, since bass quality (or its lack) is one of the biggest differentiators between live and recorded music. I dislike bloated, mushy bass; but I do want to hear the full frequencies, whether it is the tuneful plucking of a double bass in a jazz group, or the pounding drum sounds in rock or rap. Listening at home you often miss out, partly because of lower volume levels, and partly because most systems do not do bass well.

But do the Fli-overs deliver?

I put on the Fli-overs with some trepidation. Was I going to hear pumped-up bass that wrecks the musical balance? Fortunately I did not. The sound is slightly warm and tilted a little towards the low-end, but it is also sweet and tuneful. Where is the extreme bass though?

The answer is that it depends what you play. I happened to put on “No more I love you’s” by Annie Lennox and heard for the first time the deep bass in the slow beat in the opening part of the song. Hmm, I thought, perhaps there is something in the claims.

I sought out some rap and electronica that shows off bass performance, by artists like Psyph Morrison, The Dream, and Bassotronic. If this kind of music is your bag, and you don’t want your headphones to make the bass toned-down and polite, you will find the Fli-overs do a better job than most.

On the Miles Davis track So What, from Kind of Blue, you can follow the bass line easily, without it being overwhelming.

Overall the sound is above average for headphones at this price level. I find them enjoyable for any kind of music, though better for rock and jazz than for classical, where I find the sound a little closed-in and lacking in clarity and detail compared to the best I have heard, but still decent.

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I am not so sure about the comfort though. The earpads are soft but the earcups rather ungenerous in size for an over-ear design, making it hard to find a comfortable position (of course this kind of thing varies from person to person). The headband is lined with a firm rubbery material that feels somewhat hard. The grip of the headphones is tighter than most, though will likely looosen over time. If you wear glasses as I do, this again makes them less comfortable. They are not the worst I have worn, but if comfort is a priority I would suggest looking elsewhere, or at least trying them out before purchase.

The cable is just over 1.5m (though it says 1.0m on the box), enough for most environments, and is a flat style that is somewhat resistant to tangling. There is a microphone and call/answer button in the cord, so you can use these as a headset for a mobile phone, or for voice over IP calls on a tablet. I found this worked well on a Nexus Android tablet.

The headphones have a closed back and noise isolation is good in both directions. They also fold, though no bag is supplied, and would be quite suitable for use in flight.

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if you want to enjoy music where deep bass is central to the experience, these cans will deliver where most do not.

More information on the Vibe site here.

When Windows 8 will not boot: the Automatic Repair disaster

“My PC won’t boot” – never good news, but even worse when there is no backup.

The system was Windows 8. One day, the user restarted his PC and instead of rebooting, it went into Automatic Repair.

Automatic Repair would chug for a bit and then say:

Automatic Repair couldn’t repair your PC. Press “Advanced options” to try other options to repair your PC, or “Shut down” to turn off your PC.

Log file: D:\Windows\System32\Logfiles\Srt\SrtTrail.txt

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Advanced options includes the recovery console, a command-line for troubleshooting with a few useful commands and access to files. There is also an option to Refresh or reset your PC, and access to System Restore which lets you return to a configuration restore point.

System Restore can be a lifesaver but in this case had been mysteriously disabled. Advanced start-up options like Safe Mode simply triggered Automatic Repair again.

Choosing Exit and continue to Windows 8.1 triggers a reboot, and you can guess what happens next … Automatic Repair.

You also have options to Refresh or Reset your PC.

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Refresh your PC is largely a disaster. It preserves data but zaps applications and other settings. You will have to spend ages updating Windows to get it current, including the update to Windows 8.1 if you originally had Windows 8. You may need to find your installation media if you have any, in cases where there is no recovery partition. You then have the task of trying to get your applications reinstalled, which means finding setup files, convincing vendors that you should be allowed to re-activate and so on. At best it is time-consuming, at worst you will never get all your applications back.

Reset your PC is worse. It aims to restore your PC to factory settings. Your data will be zapped as well as the applications.

You can also reinstall Windows from setup media. Unfortunately Windows can no longer do a repair install, preserving settings, unless you start it from within the operating system you are repairing. If Windows will not boot, that is impossible.

Summary: it is much better to persuade Windows to boot one more time. However if every reboot simply cycles back to Automatic Repair and another failure, it is frustrating. What next?

The answer, it turned out in this case, was to look at the logfile. There was only one problem listed in SrtTrail.txt:

Root cause found:
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Boot critical file d:\windows\system32\drivers\vsock.sys is corrupt.

Repair action: File repair
Result: Failed. Error code =  0×2
Time taken = 12218 ms

I looked up vsock.sys. It is a VMware file, not even part of the operating system. How can this be so critical that Windows refuses to boot?

I deleted vsock.sys using the recovery console. Windows started perfectly, without even an error message, other than rolling back a failed Windows update.

Next, I uninstalled an old vmware player, using control panel. Everything was fine.

The Automatic Repair problem

If your PC is trapped in the Automatic Repair loop, and you have no working backup, you are in trouble. Why, then, is the wizard so limited? In this case, for example, the “boot critical file” was from a third-party; the wizard just needed to have some logic that says, maybe it is worth trying to boot without it, at least one time.

Finally, if this happens to you, I recommend looking at the logs. It is the only way to get real information about what it going wrong. In some cases you may need to boot into the recovery console from installation media, but if your hard drive is working at all, it should be possible to view those files.

Asus bets on everything with new UK product launches for Android, Google Chromebook and Microsoft Windows

Asus unveiled its Winter 2014 UK range at an event in London yesterday. It is an extensive range covering most bases, including Android tablets, Windows 8 hybrids, Google Chromebooks, and Android smartphones.

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Asus never fails to impress with its innovative ideas – like the Padfone, a phone which docks into a tablet – though not all the ideas win over the public, and we did not hear about any new Padfones yesterday.

The company’s other strength though is to crank out well-made products at a competitive price, and this aspect remains prominent. There was nothing cutting-edge on show last night, but plenty of designs that score favourably in terms of what you get for the money.

At a glance:

  • Chromebook C200 dual-proc Intel N2830 laptop 12″ display £199.99 and C300 13″ display £239.99
  • MeMO Pad Android tablets ME176C 7″ £119 and 8″ ME181 (with faster Z3580 2.3 GHz quad-core processor) £169
  • Transformer Pad TF103C Android tablet with mobile keyboard dock (ie a tear-off keyboard) £239
  • Two FonePad 7″ Android phablets: tablets with phone functionality, LTE in the ME372CL at £129.99  and 3G in the ME175CG at £199.99.
  • Three Zenfone 3G Android phones, 4″ at £99.99, 5″ at £149.99 and 6″ at £249.99.
  • Transformer Book T200 and T300 joining the T100 (10.1″ display) as Windows 8 hybrids with tear-off keyboards. The T200 has an 11.6″ display and the T300 a 13.3″ display and processors from Core i3 to Core i7 – no longer just a budget range. The T200 starts at £349.
  • Transformer Book Flip Windows 8.1 laptops with fold-back touch screens so you can use them as fat tablets. 13.3″ or 15.6″ screens, various prices according to configuration starting with a Core 13 at £449.
  • G750 gaming laptops from £999.99 to £1799.99 with Core i7 processors and NVIDIA GeForce GTX 800M GPUs.
  • G550JK Gaming Notebook with Core i7 and GTX 850M GPU from £899.99.

Unfortunately the press event was held in a darkened room useless for photography or close inspection of the devices. A few points to note though.

The T100 is, according to Asus, the world’s bestselling Windows hybrid. This does not surprise me since with 11 hr battery life and full Windows 8 with Office pre-installed it ticks a lot of boxes. I prefer the tear-off keyboard concept to complex flip designs that never make satisfactory tablets. The T100 now seems to be the base model in a full range of Windows hybrids.

On the phone side, it is odd that Asus did not announce any operator deals and seems to be focused on the sim-free market.

How good are the Zenfones? This is not a review, but I had a quick play with the models on display. They are not high-end devices, but nor do they feel cheap. IPS+ (in-plane switching) displays give a wide viewing angle. Gorilla Glass 3 protects the screen; the promo video talks about a 30m drop test which I do not believe for a moment*. The touch screens are meant to be responsive when wearing gloves. The camera has a five-element lens with F/2.0 aperture, a low-light mode, and “time rewind” which records images before you tap. A “Smart remove” feature removes moving objects from your picture. You also get “Zen UI” on top of Android; I generally prefer stock Android but the vendors want to differentiate and it seems not to get in the way too much.

Just another phone then; but looks good value.

As it happens, I saw another Asus display as I arrived in London, at St Pancras station.

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The stand, devoted mainly to the T100, was far from bustling. This might be related to the profile of Windows these days; or it might reflect the fact that the Asus brand, for all the company’s efforts, is associated more with good honest value than something you stop to look at on the way to work.

For more details see the Asus site or have a look in the likes of John Lewis or Currys/ PC World.

*On the drop test, Asus says: “This is a drop test for the Gorilla glass, and is dropping a metal ball on to a pane of it that is clamped down, not actually a drop of the phone itself.”

Do you need the new Raspberry Pi B+?

An updated Raspberry Pi board was released earlier this month, and the kind folk at Element 14 sent me one to review.

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The Raspberry Pi is a complete low-power computer which needs only a case, an SD card, and a standard USB power source to start doing real work. It is ideal for learning projects, home automation, practical applications like running a media server or client, or anything you can think of.

It is a little over two years since the first Pi was shipped in April 2012. The progress is a little confusing: the first model was the B, followed by the A in early 2013, a cut-down model with a single USB port and no Ethernet.

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The new model has the same Broadcom BCM2835 SoC as all the other Pi models. The CPU is a 700 MHz ARM 1176JZ-F.

So what is new? The highlights:

  • 4 USB 2.0 ports
  • The dedicated composite video port has been removed and is now shared with the audio jack, requiring an adaptor
  • The power draw is now 600 mA up to 1.8A at 5v, making it both lower power and higher power (when necessary) than the model B (750 mA up to 1.2A at 5v). The USB ports can supply a little more power, making most self-powered external hard drives usable, for example.
  • The SD card slot has been replaced by a micro SD card slot, a good move (all my SD cards are in fact micro SD cards with adaptors, which is common).
  • The GPIO (General Purpose Input Output) connector now has 40 pins rather than 26. The first 26 pins are the same as before, for compatibility.
  • The price is the same as for the B

There are a few other changes which I noticed. One is that the LEDs have been moved. On the B, there are 5 LEDs which are together on the bottom right corner of the board: ACT (SD card access), PWR, FDX (Duplex LAN), LNK (Activity LAN) and 100 (100Mbit LAN connected). The B+ has two LEDs in the opposite corner, ACT and PWR, and two more LEDs on the LAN port itself. Personally I prefer the old arrangement.

The audio output is improved, according to Pi inventor Eben Upton, thanks to a “dedicated low-noise power supply.” Raspberry Pi Engineer jdb adds that  “The output impedance and buffering for the audio port has been improved and the maximum output amplitude has been increased (~1.25V pk-pk).” However one blogger measured the output and considered no better (or slightly worse).

Since the layout of the board has changed, a B+ Pi will not fit in your old model B case. I bought a new case but I don’t recommend this one:

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This is a push-fit case and even thought the board is held down by tabs, it moves and rattles slightly. I also worry about the case tabs breaking if you open it repeatedly. The tab that you need to press to open the case is sited by the micro SD slot, and that is another mistake, since it presses against the board making it hard to reopen after the Pi is fitted. There is also too much space below card slot so you can easily post your card into the case rather than into the slot if you are careless. Finally, I don’t like the way the top of the case slopes down, reducing the space above the GPIO at its shallow point.

I wish I had seen this Cyntech case which looks miles better, for a similar low price, though I haven’t actually tried it. I do like the idea of an optional spacer which lets you increase the case height to fit add-on boards.

Finally, a few notes on operation. If you have existing micro SD cards running on the B, they might or might not work on the B+. I use piCorePlayer as a streaming audio client, for which it is excellent, but my existing image would not boot on the B+.  Following a tip elsewhere, I installed the latest piCorePlayer download on the B, updated it to version 1.16A using the web UI, and it then worked on the B+.

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I had no such problems with the standard Raspbian distro which worked fine on the B+.

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So do you need the B+? If you have not yet tried a Pi, give it a try, it is fabulous. If you already have a B, then you will find some nice improvements but nothing dramatic – though the extra USB ports in particular are most welcome.

More information is on the Element14 site or of course the official site.