Category: Software Development

Relating to software development and computer science.

SBCL fink build for PPC

September 23, 2009 Off

I’ve just posted an updated 1.0.31 install file for SBCL (Steel Bank Common Lisp) to build on PowerPC Macintoshes using the fink package manager. This should eventually appear as part of the unstable section of fink for MacOS 10.5. MacOS 10.5.X is the end of the road for PPC Mac’s (and I’m still running a…

By leigh

MusicKit V5.6.0 now available

July 5, 2009 Off

After a period that is much longer than I had hoped for, a new release V5.6.0 of the MusicKit is now available. The change log is huge, but the highlights are: Documentation on building the MusicKit has been improved. Now builds on MacOS 10.5.X Intel or PPC and GNUstep. No longer requires external libraries to…

By leigh

Redirection

December 22, 2008 Off

I’ve now moved to a drupal based web site and so this is the last message on this feed. From now on, all new messages will be from http://www.leighsmith.com/rss.xml, or just visit www.leighsmith.com for the link.

By leigh

Software Projects

December 20, 2008 Off

Some open source projects I have started, maintained or contributed to, which are hosted on GitHub and/or Sourceforge, in addition to my commercial projects (described in my biography), include: MultiresRhythm A Common Lisp library of the Multiresolution Rhythm model of rhythm, syncopation and expectation representation as produced during the EmCAP project. See my Research Page…

By leigh

Welcome to my new website

December 20, 2008 Off

It’s well past the time for a major rethink of my site. I’ve decided to use drupal which Jill and I have successfully been using over at jillandleigh.net, and version 6 looks to be quite a nice upgrade from version 5. Eventually most of the content will be converted over to the new site and…

By leigh

Research

December 20, 2008 Off

My research concerns modelling the task of emergent musical rhythm perception. This includes models of syncopation, rhythmic complexity, rhythmic expectancy, similarity, beat tracking, downbeat determination and the use of continuous wavelet transforms for time-frequency representations of musical rhythm.

By leigh

Biography

December 20, 2008 Off

I have worked in commercial systems analysis, software engineering, project management, personnel training, technical writing, system and network administration. Application experience includes music information retrieval systems, audio DSP applications, music composition systems, bank cryptography, EFTPOS, smartcards, language design and compiler construction, embedded systems, communications, computer graphics, geographic/land information systems, GPS based aerial photography positioning systems.

By leigh