Last week I attended lca.conf.au 2013, my sixth LCA. It was a very well organised and enjoyable conference for me. After a few days back I miss it. I have made some good friends at LCA over the years, and catching up with them is as important for me as the conference talks. It . . . → Read More: linux.conf.au (LCA) 2013
My 14 year old son William likes animals and his favourite is the North American Bison. He recently had to prepare a story for school. I showed him how he could use HTML to write the story, pull in images from the Internet, and put options on each page for “what do you want . . . → Read More: HTML Bison Adventure
Well, it’s that time of year again – my annual geek-week at linux.conf.au. Every day there were many interesting talks to attend and many I had to miss. I am currently catching the ones I missed by watching the LCA 2012 videos.
Keynotes and Open Source DSP
The Bruce Perens keynote had many good points on . . . → Read More: linux.conf.au (LCA) 2012
Well this is a bit embarrasing. I make and sell embedded Asterisk boxes. My IP04 has been hacked! Some one made a bunch of calls to Guyana, among other places:
Algeria – Mobile Orascom
Algeria – Mobile Wataniya
Australia – 13/1300
Australia – Adelaide
Australia – Mobile
Cape Verde – Mobile
Cayman Is – Mobile C&W
Guyana – Mobile
Ireland – . . . → Read More: My IP04 hacked and SIP ALG
It’s been a long time since I last blogged. I have been dealing with some big personal problems since March and haven’t had time for technical work or the will to blog on anything. I have however been doing a lot of private writing or journalling. So I would like to talk a little . . . → Read More: Writing as Therapy
Every time I attend lca.conf.au (LCA) I am reminded that it has a couple of really unique features:
It’s a really friendly, genuine, relaxed conference. So different to trade shows or academic conferences. No one is there to sell you anything or to advance their list of publications. People attend because they are interested in . . . → Read More: linux.conf.au (LCA) 2011
In this post I talk about the Codec 2 alpha release, problems with DSP algorithms, some bugs in the voicing estimator, and why speech codec development is tough.
V0.1 Alpha Release
About a month ago I released V0.1 of Codec 2. The response has been amazing. An early release wasn’t my idea – I was tempted to . . . → Read More: Codec 2 – Alpha Release and Voicing
Well, it was quite a walk, but we made it to Indrahar Pass at 4300m!
At this altitude we were above most of the clouds! It was like a view from a light plane at 13,000 feet.
The walk was staged over several days to give us a chance to acclimatise to the altitude. . . . → Read More: ExtremeCom 2010 Part 2
As I write I am sitting in the AirJaldi office in upper Dharamsala, Northern India. I am here to attend Extreme Com 2010. This is communications conference with a twist – early tomorrow morning we head up into the Himalayas for a 4 day trek, peaking at a height of 4400m! I am . . . → Read More: ExtremeCom 2010 Part 1
While I was watching the Air Stream guys clamber over my roof I was thinking about Wifi and the the Village Telco.
My Wifi experience is steadily growing. I have now been involved in a couple of long distance links with directional antennas and several mesh networks. Some patterns are emerging:
Long distance Wifi is an . . . → Read More: Wifi is Hard