Tag Archives: Nokia

Dot’s Easy

Little DotI was looking into examples of movies shot using a smartphone, when I came across this little gem.

What I found truly amazing was how much work it took! Creativity is 10% inspiration and 90% perspiration certainly applies here.

 

Behind the scenes
Professor Fletcher’s invention of the CellScope, which is a Nokia smartphone with a microscope attachment, was the inspiration for a teeny-tiny film created by Sumo Science at Aardman. It stars a 9mm girl called Dot as she struggles through a microscopic world. All the minuscule detail was shot using CellScope technology and a Nokia N8, with its 12 megapixel camera and Carl Zeiss optics

Here’s a little film that takes you behind the scenes at Aardman. It reveals what went in to making the world’s smallest character animated film and how it was shot using a Nokia N8.

What can I say—wow, thanks guys!

For more information about Aardman Animations…

Sound Reasons

A HAAC Microphone
A HAAC Microphone

When I bought my Lumia 620 I discovered that although it was a budget phone it had HAAC microphones and rich sound recording. I had absolutely no idea what that meant but it sounded good…

In this post I will discuss the audio technology of Lumia phones and why it is another sound reason to consider a Lumia phone.

The HAAC Microphone
Traditional microphones start distorting the sound when the level or amplitude becomes too loud. Nokia developed the patented HAAC (high amplitude audio capture) microphone. Basically there are two channels for the sound, one for regular sound levels, and one for very loud levels.

The software in the phone combines the channels intelligently. The result is that the phone is able to capture a very wide range of sound levels without distortion. (Links to a more technical description is given at the end of the post).

Rich Sound Recording
Sounds are captured and processed using 32bit software algorithms – that is high performance! This allows the software to improve the quality of the sound by providing wind noise reduction, microphone self-noise reduction, microphone equalizers (to fit product acoustics to frequency response requirements), camera autofocus noise reduction and automatic gain control.

On basic phones, like my Lumia 620, there are two microphones, one at the top and one at the bottom edge of the phone (or left and right edges when holding the phone horizontally).

When speaking on the phone, the lower microphone picks up your voice, while the top microphone captures ambient sound (mostly noise). The software uses the sound from the top mic to subtract the noise from your voice signal.

When capturing video, rich recording kicks in in a different way. Your phone is now held horizontally (or should be). The two microphones are now used to capture rich stereoscopic sound.

Once the sound from the two microphones have been cleaned up, they are combined with the information from the video camera into an mpeg container file (.mp4) and stored on your phone.

The diagram below shows the various components involved in rich sound recording.

blockdiagram

Multiple Microphones
HAAC microphones are inherently omnidirectional which means it picks up sound equally from all directions. When you are videotaping a performance or a person speaking at a podium, you would ideally want the microphones to be directional, i.e. recording what you are interested in, and ignoring all other sounds. This is illustrated in the diagram below:

directional recording

The more expensive Lumias (not my 620 I am afraid) have four microphones: two facing in the direction of the camera and two on the back. This allows the software algorithms to filter out the unwanted sounds from behind the person shooting the video, thus giving one excellent directional recording ability.

The Lumia 830, which is the phone I covet, has only one microphone at the back so the directional effect is not as perfect as on the 930 but it is still pretty good and gives excellent surround sound recordings for your videos. This I think is a reasonable compromise for an “affordable flagship” phone.

If you are technically inclined you can view these Nokia white papers.

In the next post I will discuss how to use the audio side of your phone in your business.

Lumia For Video

The Lumia smartphone is the ideal device for business people. It is easy to learn as it runs windows and you use Office on the go to read and edit your documents and spreadsheets. But the Lumias are also known for their excellent cameras.

Microsoft has a regular monthly contest to showcase the photography/videography capabilities. The winner of the recent social media contest really caught my eye – probably because I have a weakness for cats. Have a look at the winning entry:

You can read the article about how Mia Mullarky made the video on the Nokia site

Windows on my Phone

nokia 620I tried Windows 8 and I hated it.

And now I have Windows 8 on my phone! That’s right, I have replaced my Samsung with a Nokia Lumia 620.

I never really mastered the Android interface but lately I have been playing with a Surface tablet to see if it could be a good platform for teaching computers (see my previous post). In the process I found Windows 8 being more likeable the more I used it.

So then the penny dropped. I now also know how to use a Windows phone. Not only that, I get the same access to Skydrive, the Office Applications, and more. As a strategy Windows 8 started to make sense to me.

As my budget is tight, I bought the phone through Amazon. It is not the top of the range of Windows phones but it suited my purposes. Oh my, then I discovered I had to assemble, install the SIM card, and activate the phone myself. It was a learning curve but only took about a half hour to do. I am quite proud of myself.

I certainly plan on putting online courses together for both the Surface and the Windows phone, and how one can use them together. This appears to be rather tricky as one operates the devices by touch. So I am planning a setup where I will have a video camera pointing to the devices. Hmmm, more on that later too.