roundtrip
Performous 0.3.1
A free Linux karaoke game more>>
Performous 0.3.1 is created to be a karaoke program that can both display the lyrics, notes but also display how well you actually hit the notes. Unlike in many other games in this genre, you will also see the pitch that you are singing, so that you can see what you are doing wrong and easily (well, everything is relative) correct your pitch.
Most of the songs available also contain the original vocals and actual karaoke versions are rare.How it works? The game records your voice via a microphone, attached to your computer. The audio is recorded and realtime FFT analysis is done on it. This analysis reveals which frequency bands contain audio (peaks).
Further analysis is used to find out the exact audio frequencies inside each band, and to combine base frequencies and their harmonics into single tones. Finally, some temporal (over time) filtering is applied to the detected tones to smooth out the output. It doesn't matter if you didn't take university courses on acoustics and mathematics, and none of that makes any sense: you will get a wave on screen, displaying your singing pitch.
Scoring and note types
- Regular notes: displayed in light blue (1x points)
- Golden notes: displayed in gold (2x points)
- Freestyle notes: displayed in green, pitch does not matter (1x points)
The singing octave does not matter, so as long as you get the right note in any octave, you will get full points. Singing near the correct note also gives some points, but the amount of points per second decreases as you get farther from the right tone. Singing within the right semitone always gives full points, so you may actually be off by a quarter tone and still get the points.
The maximum number of points is always 10000, but it is practically unreachable in real songs, usual scores being in the range of 2000-9000, depending mostly on the skills of the singer, but also on the song: even though the maximum is the same, slower songs are generally easier to sing.
Oh, and in case you were wondering: you will not get full points by placing the microphone near a speaker, because it will also pick up other instruments, which usually have incorrect pitch. Expect to get about 3000 points with this method.
Major Features :
- Should work on almost any platform
- Primary platform is Linux (where the development is done)
- OS X is known to work well
- Windows should be possible by just compiling the program from source (please let us know if you try)
- Playstation 3 works but is unplayable (needs OpenGL acceleration)
- Very accurate singing pitch detection
- Noisy environments are not an issue
- Multiple simultaneous tones can be detected and separated properly
- OpenGL-based graphics rendering
- Music videos as backgrounds
- Based on ffmpeg (supports almost all formats)
Enhancements:
- Multiplayer with Singstar mics or any other stereo input
- Dramatically improved performance, runs fine on very slow machines now
- Fully OpenGL-based (some kind of 3D acceleration is now mandatory, but even Intel works fine)
- Heavily pimped graphics in singing screen
- Automatically zooming notelines in singing screen
- Real widescreen support (adaptive layout instead of stretching or cropping)
- Song folders are now scanned recursively, in the background without blocking the UI
- Ingame and preview volume may be controlled
- Audio roundtrip latency and audio/video sync controls added
- New score window (still no highscores)
- New menu theme song
- Separate game engine thread, so that slow graphics rendering should no longer affect pitch detection
- Our own audio library libda, supporting ALSA, Pulseaudio, JACK and others
- FFMPEG-based video and audio decoding (together with libda replaces Xine and GStreamer)
- CMake-based build (Autotools are gone for good)
Requirements:
- Graphics chip with OpenGL acceleration (e.g. GF2 MX400)
- Pentium III 700 MHz or comparable CPU
- A microphone
WWW::Yahoo::DrivingDirections 0.08
WWW::Yahoo::DrivingDirections is a Perl module to generate driving directions for multiple-stop trips in the United States. more>>
ABSTRACT
Object-oriented interface to the maps.yahoo.com driving directions.
SYNOPSIS
use WWW::Yahoo::DrivingDirections;
my $yd = WWW::Yahoo::DrivingDirections->new ();
$yd->add_stops ( @ARGV );
$yd->get_maps();
or
use WWW::Yahoo::DrivingDirections;
my $yd = WWW::Yahoo::DrivingDirections->new (
{
roundtrip => 1,
return_html => 1,
save_html => 0,
save_format => output_%d.html,
},
atlanta, ga,
123 fake st, boston, ma,
0 church st, cambridge, ma,
LAX,
);
$yd->add_stops ( paris, tx, 1 main st, springfield, IL );
$yd->roundtrip ( 1 );
$html_array_ref = $yd->get_maps();
WWW::Yahoo::DrivingDirections provides a simple means of generating driving directions for trips with more stops than a start and a finish. Driving from LAX airport to 1 Main St, Portland, OR to Denver, CO? Just do this:
use WWW::Yahoo::DrivingDirections;
my $yd = WWW::Yahoo::DrivingDirections->new (
LAX, 1 Main St, Portland, OR, Denver, CO
);
$yd->get_maps();
and the directions will be saved in trip_leg_1.html and trip_leg_2.html.
Translate 0.9
Translate are tools for Mozilla, OpenOffice, and Gettext PO translation. more>>
This makes it possible to stay in one format across all your localisation. Tools to help process and validate localizations, etc.
Main features:
- conversion between gettext po format and mozilla, openoffice, csv formats
- lots of others that I havent had time to describe yet...
Enhancements:
- Almost all storage classes have been migrated to the projects base class.
- The base class should make it easier to add new formats in the future.
- Major work was done to move escaping into the storage classes and to roundtrip escaping.
- Many many unit tests were added to check compliance.
- Many bugs were fixed.
- The DTD format is no longer escaped, and it follows the DTD spec correctly.
- .properties files are no longer used escaped Unicode, following the Mozilla convention.
- Duplicates are merged by default using the PO method of merging locations.
Stager 2.0.1 / 3.0 Beta 1
Stager is a system for aggregating and presenting network statistics. more>>
The backend collects data and stores reports in a database, automatically handling the aggregation of hourly statistics into days, weeks, and months.
The Web frontend presents data in tables, matrices, or plots. The reports are fully customizable, and their definitions are stored in the database.
Installation:
If you are upgrading from a previous version of Stager, see the UPGRADE file.
This version of Stager only support Netflow. Future releases will also support roundtrip measurements, SNMP and various passive monitoring measurements.
To run Stager you now need PHP4 CLI with SNMP support. Under debian you can just install php4-cli and php4-snmp
Backend:
1. Create a new Postgresql user that is allowed to create new databases
2. Create a new user that runs the Stager backend. The rest of the installation should be done as this user
3. /stager-install.pl --type=backend --backends=netflow --path=/installation/path/
4. Edit /installation/path/etc/netflow.cfg and /installation/path/etc/getRouterInfo.cfg
5. cd /installation/path/bin
6. ./db_install.pl --backend=netflow
7. Default access control is to give full access to admin user and limited access to guest users. Check /installation/path/lib/getRouterInfo.custom.php if you want to change this.
8. ./getRouterInfo.php -v -v -o
9. ./get-netflow.pl -v --no-missing --delete-old Check for error messages
10. Edit /installation/path/bin/getRouterInfo.sh
11. Edit crontab:
30 0-23/2 * * * $HOME/stager/bin/getRouterInfo.sh -v //How often you run this command depends on how dynamic your network is
45 * * * * $HOME/stager/bin/get-netflow.pl --delete-old
50 1 * * * $HOME/stager/bin/aggregate.pl --backend=netflow --interval=1 day --no-distributed --manual-mode
45 2 * * 1 $HOME/stager/bin/aggregate.pl --backend=netflow --interval=1 week --timeformat YYYY-IW --no-cap --no-distributed
50 2 1 * * $HOME/stager/bin/aggregate.pl --backend=netflow --interval=1 month --timeformat YYYY-MM --no-distributed
Frontend:
1. ./stager-install.pl --type=frontend --path=/installation/path
2. edit /installation/path/config/user.config.php
Whats New in 2.0.1 Stable Release:
- This release fixes several bugs in both the frontend and backend.
- The most important fix is that bookmarks with relative times are now working properly.
- This means that if you create a report that shows data, for example, for the last hour with available data, you can now create a bookmark that will always show data for the last hour with available data.
Whats New in 3.0 Beta 1 Development Release:
- The backend has been completely rewritten and is now implemented in PHP.
- The new backend is faster and more generic so that it is easier to add support for other types of statistics.
- The new backends are also more robust against database down time.
- In the web GUI, it is now possible to right click on most data to bring up a context menu where it is possible to add custom links.
EiffelStudio 6.0.6.9141
Eiffel Software offers development tools that make a concrete and immediate difference in how companies produce software. more>>
The companys flagship product, EiffelStudio, is available under Dual Licensing: choose between Open Source and commercial.
Main features:
- Coverage of the complete software life cycle within the product itself (from analysis and design through implementation and testing).
- Multiplatform availability (Windows, Windows on .NET, Unix, Linux, Linux PPC, VMS, embedded systems, and Mac OS X).
- Full .NET compliance.
- Cuts development costs by 50-80%, or more.
While Eiffel is widely regarded as the best language for creating fast, robust, scalable applications, EiffelStudioTM is the only tool for realizing the full power of the Eiffel Development FrameworkTM.
EiffelStudio is more than just an IDE.
Imagine being able to model your system as you think - capturing your requirements and your thought processes in Eiffel. Then, when you are ready to Design, you build upon the model you just created, still in Eiffel. And then you implement, in Eiffel. You never need to throw anything out and start over. You dont need extra tools to be able to go back and make changes in architecture safely. Roundtrip engineering? Its built in by design. Testing, metrics and productivity tools? Theyre built in.
And debugging? Eiffels native Design by ContractTM prevents 90% of the bugs from ever occurring in the first place - and what bugs remain are easily traced and repaired, typically within ten minutes.
If you have multiple platforms to consolidate, reconcile or communicate with, no problem. Eiffel runs on Windows, Unix, Linux, embedded, and even VMS systems. You can create an application in Eiffel (even importing your existing applications as a starting point), and then migrate it to any other platform Eiffel compiles to.
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