Archive for March 19, 2009

20+ Free Digital Audio Editors

Digital audio editors are used to edit and manipulate digital audio. It is an import part of digital audio work stations. Though there are many commercially available digital audio editors, here is the list of 20 free audio editing software:

1. Ardour

Ardour is a digital audio workstation that an be used to record, edit and mix multi-track audio. It can also be used to produce your own CDs, mix video soundtracks, or just experiment with new ideas about music and sound.

ardour-2_5

It contains all the features striving to meet the needs of professional users. Ardour capabilities include: multichannel recording, non-destructive editing with unlimited undo/redo, full automation support, a powerful mixer, unlimited tracks/busses/plugins, timecode synchronization, and hardware control from surfaces like the Mackie Control Universal. If you’ve been looking for a tool similar to ProTools, Nuendo, Pyramix, or Sequoia, you might have found it.

2. Audacity

Audacity® is free, open source software for recording and editing sounds. It is available for Mac OS X, Microsoft Windows, GNU/Linux, and other operating systems.

audacity-windows

Audacity can be used to:

  • Record live audio.
  • Convert tapes and records into digital recordings or CDs.
  • Edit Ogg Vorbis, MP3, WAV or AIFF sound files.
  • Cut, copy, splice or mix sounds together.
  • Change the speed or pitch of a recording.

3. Power Sound Editor

Power Sound Editor Free is a visual audio editing and recording software solution, which supports many advanced and powerful operations with audio data.

Power_Sound_editor
You can use Power Sound Editor Free to record your own music, voice, or other audio files, edit it, mix it with other audio or musical parts, add effects like Reverb, Chorus, and Echo, and burn it on a CD, post it on the World Wide Web or e-mail

4. mp3DirectCut

mp3DirectCut is a fast and extensive audio editor and recorder for compressed mp3. You can directly cut, copy, paste or change the volume with no need to decompress your files for audio editing. This saves encoding time and preserves the original quality, because nothing will be re-encoded. The built in recorder creates mp3 on the fly from your audio input. Using Cue sheets, pause detection or Auto cue you can easily divide long files

mp3dcscr1

Features

  • Non-destructive cut, copy, paste
  • Volume change, fade, normalize, pause detection
  • mp3 recording with ACM or Lame encoder
  • Fast mp3 visualisation and easy navigation
  • Supports Layer 2 (dvd/dvb audio)
  • ID3v1.1 tag editor · ID3v2 tag keeping
  • Cue Sheet support
  • Auto cue (track dividing by time values)
  • Track splitting with filename and tag creation
  • Trim · Crop · Fast play · Loop play
  • VU meter, bitrate visualisation
  • High speed recorder · Command line usage

5. Music Editor Free

Music Editor Free (MEF) is a multi-award winning music editor software tool. MEF helps you to record and edit music and sounds:

Music_editor

  • Sound editing functions include cut, copy, paste, delete, insert, silence, trim and more.
  • Audio effects include, amplify, normalize, equalizer, envelope, reverb, echo, reverse, sample rate conversion and much more.
  • Includes its own CD ripper/Burner

6. Ecasound

Ecasound is a software package designed for multitrack audio processing. It can be used for simple tasks like audio playback, recording and format conversions, as well as for multitrack effect processing, mixing, recording and signal recycling. Ecasound supports a wide range of audio inputs, outputs and effect algorithms. Effects and audio objects can be combined in various ways, and their parameters can be controlled by operator objects like oscillators and MIDI-CCs

ecamegapedal-0_3dev0_cvs

7. Wavosaur

Wavosaur is a free sound editor, audio editor, wav editor software for editing, processing and recording sounds, wav and mp3 files. Wavosaur has all the features to edit audio (cut, copy, paste, etc.) produce music loops, analyze, record, batch convert.

wavosaur-free-audio-editor

Wavosaur supports VST plugins, ASIO driver, multichannel wav files, real time effect processing.
The program has no installer and doesn’t write in the registry. Use it as a free mp3 editor, for mastering, sound design. The Wavosaur freeware audio editor works on Windows 98, Windows XP and Windows Vista.

8. Traverso DAW

Traverso DAW is a GPL licensed, cross platform multitrack audio recording and editing suite, with an innovative and easy to master User Interface. It’s suited for both the professional and home user, who needs a robust and solid DAW.

Traverso_DAW

Traverso is a complete solution from recording to CD Mastering. By supplying many common tools in one package, you don’t have to learn how to use lots of applications with different user interfaces. This considerably lowers the learning curve, letting you get your audio processing work done faster!

9. Qtractor

Qtractor is an Audio/MIDI multi-track sequencer application written in C++ with the Qt4 framework. Target platform is Linux, where the Jack Audio Connection Kit (JACK) for audio, and the Advanced Linux Sound Architecture (ALSA) for MIDI, are the main infrastructures to evolve as a fairly-featured Linux desktop audio workstation GUI, specially dedicated to the personal home-studio.

qtractor-screenshot7

Qtractor is free, open-source software, distributed under the terms of the GNU General Public License (GPL) version 2 or later

10. Rosegarden

Rosegarden is a well-rounded audio and MIDI sequencer, score editor, and general-purpose music composition and editing environment.

Rosegarden

Rosegarden is an easy-to-learn, attractive application that runs on Linux, ideal for composers, musicians, music students, and small studio or home recording environments

11. Hydrogen

Hydrogen is an advanced drum machine for GNU/Linux. It’s main goal is to bring professional yet simple and intuitive pattern-based drum programming

hydrogen-0_9_2

It is very user-friendly, modular, fast and intuitive graphical interface based on QT 3. Sample-based stereo audio engine, with import of sound samples in .wav, .au and .aiff formats. Also it supports samples in compressed FLAC file.

12.WavePad Sound Editor

WavePad Sound Editor software is a full featured professional audio editor for Windows or Mac. It lets you make and edit music, voice and other audio recordings. When editing audio files you can cut, copy and paste parts of recordings and, if required, add effects like echo, amplification and noise reduction. WavePad works as a wav editor or mp3 editor but it also supports a number of other file formats including vox, gsm, real audio, au, aif, flac, ogg and more.

WavePad

This sound editing software is a full featured professional audio editor for Windows or Mac. It lets you make and edit music, voice and other audio recordings. When editing audio files you can cut, copy and paste parts of recordings and, if required, add effects like echo, amplification and noise reduction. WavePad works as a wav editor or mp3 editor but it also supports a number of other file formats including vox, gsm, real audio, au, aif, flac, ogg and more.

13.Sound Engine

SoundEngine is the best tool for personal use, because it enables you to easily edit a wave data while it has many functions required for a mastering process.

soundengine

14. Jokosher

Jokosher is a simple yet powerful multi-track studio. With it you can create and record music, podcasts and more, all from an integrated simple environment

jokosher-0-11-full

15. Expstudio Audio Editor

Expstudio Audio Editor is a visual music file editor that has many different options and a multiple functionality to edit your music files like editing text files. With a given audio data it can perform many different operations such as displaying a waveform image of an audio file, filtering, applying various audio effects, format conversion and more.

audioeditor

16. DJ Audio Editor

DJ Audio Editor is easy-to-use and well-organized audio application which allows you to perform various operations with audio data. You can create and edit audio files professionally, by having ability to apply dozens of amazing effects to audio files such as Amplify, Flanger, Chorus, Reverb, Invert and Reverse.

DJ

The widely covered output and input audio formats and a set of amazing filters allow you to add endless innovation to music creating and design, and also displaying a waveform or spectral image of audio file makes your work faster.

17. Sweep

Sweep is an audio editor and live playback tool for GNU/Linux, BSD and compatible systems. It supports many music and voice formats including WAV, AIFF, Ogg Vorbis, Speex and MP3, with multichannel editing and LADSPA effects plugins.

It is Free Software, available under the GNU General Public Licence.

Sweep

18. Eisenkraut

Eisenkraut is a cross-platform audio file editor. It requires Java 1.4+ and SuperCollider 3. It supports multi-channel and multi-mono files and floating-point encoding. An OSC scripting interface and experimental sonagramme functionality are provided.

Eisenkraunt1

19. FREE WAVE MP3 Editor

Free Wave MP3 Editor is a sound editor program for Windows. This software lets you make and edit voice and other audio recordings. You can cut, copy and paste parts of recording and, if required, add effects like echo, amplification and noise reduction.

free_wave_mp3_editor

20. Kangas Sound Editor

Its a fun Kangaroo-themed program that allows the user to create music and sound effects. It uses a system of frequency ratios for pitch control, rather than conventional music notation and equal temperament. It allows instruments, both musical and percussion, to be created.

Kangas_Sound

There are others like Ecawave, Audiobook CutterLMMS, Mp3Splt, Wavesurfer etc.

Universal Chat clients increase user experience

A multiprotocol instant messaging application is a client software comprised of an IM application which can seamlessly connect to multiple IM networks (via Wikipedia). These IM clients can connect to AOL Instant Messenger, ICQ, Jabber (including Google Talk, Gizmo, and other Jabber-based networks), MSN Messenger, Yahoo! Messenger etc.

The major ad-supported, commercial IM networks have many times attempted to block multi-protocol clients through rapid small changes to their protocols. However, the relentless efforts by multi-protocol clients developers to restore the interoperability between these networks eventually made them realize that they could not oppose the development of multi-protocol clients anyway.

Main advantage of multiprotocol IM clients is that it provides an unified interface using witch one can login to multiple IM networks such as AOL IM, Yahoo Messenger, Gtalk etc

There are many such multi-protocol IM clients out there. Here are the best ones that you could try. We will keep updating this post for more IM clients like Adium, iChat and Proteus for Mac OS soon.

Multi-protocol IM clients

digsby_logo1

Digsby (for Windows, Linux and Mac OS) offers a lot of features;

  • Instant Messaging – Digsby is a multiprotocol IM client that lets you chat with all your friends on AIM, MSN, Yahoo, ICQ, Google Talk, and Jabber with one simple to manage buddy list.
  • E-mail notification – Digsby is an email notification tool that alerts you of new email and lets you perform actions such as ‘Delete’ or ‘Report Spam’ with just one click.
  • Social Networking – Digsby is a social networking tool that alerts you of events like new messages and gives you a live Newsfeed of what your friends are up to.

pidgin

Pidgin (for Windows and Linux), formerly known as Gaim, is a multi-platform instant messaging client. The software has support for many commonly used instant messaging protocols, allowing the user to log into various different services from one application. It is popular and had 3 million users in 2007.

Pidgin supports many protocols like, Bonjour (Apple’s implementation of Zeroconf), Gadu-Gadu, Internet Relay Chat, Lotus Sametime, MySpaceIM, Windows Live Messenger, Novell GroupWise, OSCAR (AIM/ICQ/.Mac), SIMPLE, SILC, XMPP (Jabber, Google Talk), Yahoo!, Zephyr

voxox

VoxOx (for Windows and Mac OS) is a next generation IM client where you get a comprehensive call functionalities with “One-Number Follow-Me” feature. You can have a single VoxOx number identity, you can make all your phone numbers ring when someone calls your VoxOx number, call forwarding to any PSTN phone is another advantage. VoxOx is sure to bring in all the features of Unified Communications in the coming releases. Besides this, It allows sending text messages to selected mobile operators in the US, integrates with major social networks, including Facebook and Twitter, and enables flexibility for integrating existing and future applications due to its open standards platform. Currently, AIM, MSN, Google Talk, Yahoo, ICQ and other XMPP based networks.

Kopete

Kopete (for Linux, Windows and Mac OS) is a multi-protocol, free software instant messaging client. Although it can run in numerous environments, it was designed for and integrates with the KDE desktop environment. Supports, .NET Messenger Service, AOL Instant Messenger, Bonjour, Gadu-Gadu (mostly broken in current releases), ICQ, Jabber (XMPP) with jingle for voice (same as Google Talk uses), Lotus Sametime via the Meanwhile plugin, Novell GroupWise, QQ, SMS, Skype (via Kopete Skype) (deprecated), Winpopup Windows’ legacy network messenger service, Yahoo! Messenger

gathera

Gathera (for windows) organizes and integrates Web applications and services into the browser sidebar and offers an easy user experience to you. Gathera is completely FREE for use. You can now seamlessly share, view, and respond to many types of social content across multiple online services.

Gathera integrates mulitple Internet, social network services and media services including Facebook, Twitter, Flickr, Gmail, Yahoo Mail, Digg, Flickr, LinkedIn, hi5 (website), etc

Miranda

Miranda IM is an open source multiprotocol instant messaging application that supports many protocols such as AIM, Bonjour, Battle.net, Fetion, Gadu-Gadu, Inter-Asterisk eXchange, ICQ, IRC, Jabber (& Google Talk), Lotus Sametime, NetSend, MySpace, .NET Messenger Service (MSN), Tencent QQ, SIP, Skype (requires Skype), Tlen.pl, Xfire and Yahoo! Messenger. It is customizable and plug-ins are available to do that.

trillian

Trillian is a proprietary multiprotocol instant messaging application for Windows created by Cerulean Studios that can connect to multiple IM services, such as AIM, ICQ, Windows Live Messenger, Yahoo! Messenger, IRC etc. Trillian Pro has support for Novell’s GroupWise messenger, Jabber etc. However, Trillian Pro costs 25$. Do check if you really need this becasue IMs like Pidgin, Miranda offer a lot for free!

Image source: All logos have been taken from their respective official websites.

Enomaly’s Open Source Elastic Computing Platform

While the IT departments are worrying about the security, governance and other concerns related to Cloud computing, Enomaly makes it possible to create Cloud-like environments in corporate data enters.

Elastic_Computing_Cloud

Source: http://www.enomaly.com

Elastic Computing Platform 2.1 an open source project, provides the ability to meld on-premises and remote systems–including cloud services–in a single, secure infrastructure.

Elastic_computing

Elastic Computing Platform (ECP) is a programmable virtual loud infrastructure for businesses who are looking to design, deploy and manage virtual applications in cloud. The browser based dash board enables IT department top efficiently plan deployments, automate virtual machine scaling  and load balancing, and analyze the configuration, optimize cloud capacity in an easy-to-use utility.

As relying on cloud computing is becoming a drawback due to privacy, security, and reliability concerns, there interest for open-source cloud-computing tools is increasing as the source code is freely available. These tools could help companies to build and customize their own computing clouds to work alongside more powerful commercial solutions.

Some of the popular open-source cloud-computing software are

1. Eucalyptus

Eucalyptus

An open source software infrastructure project that imitates the experience of using EC2 but lets the user run program on their own resource and provides a detail view, what would have otherwise looked like a black box of cloud computing services.

2. Globus Nimbus

globus

Nimbus is a set of open source tools that together provide an “Infrastructure-as-a-Service” (IaaS) cloud computing solution. Nimbus allows a client to lease remote resources by deploying virtual machines (VMs) on those resources and configuring them to represent an environment desired by the user.

3. OpenNebula

open-nebula

OpenNebula is an open source virtual infrastructure engine that enables the dynamic deployment and re-placement of virtual machines on a pool of physical resources. OpenNebula extends the benefits of virtualization platforms from a single physical resource to a pool of resources, decoupling the server not only from the physical infrastructure but also from the physical location.

Architecture diagrams for open source projects

We had earlier posted an article on static code analysis done be Coverity Scan. Now, there is even more interesting stuff that they have for us!

Coverity Scan has recently released the Architecture Library – A collection of architecture data files, and directory and file relationship diagrams for over 2,500 open source software projects, all released under a Creative Commons Attribution license. Here is the Press Release text.

This is nice and will help the developer community to study the successful projects and learn from the architecture. For a beginner it is often difficult to understand the code layout and structure. Coverity’s architecture library will definitely be handy as it has clear component level details of most of the known projects.

Each of the architecture diagrams in the Library have been generated using Coverity Architecture Analyzer. The tool uses information gathered during the build of a codebase to create a comprehensive list of interdependencies in the code. These dependencies can be investigated interactively with the Architecture Analyzer desktop application. It can also be used to generate diagrams like the one shown on the right.

This diagram shows a version of the Apache webserver, displayed at the directory level, with all dependencies between files rolled up into the file’s directory. Some minor directories have been omitted to simplify the diagram.

apache-minimal

Source: Coverity Scan Site.

The full collection of diagrams for a wide variety of C and C++ open source projects can be browsed By Category or By Name.

Declining market for Internet Explorer

Firefox 3.0 is indeed grabbing the browser market share. StatCounter report clearly shows that the Firefox 3.0 has already captured the IE 6.0 market share and looks strong to get to IE 7.0 in the near future.

The open source browser, Firefox rose to 24 percent of users in February while IE6 dipped to just over 22.6 percent, making Firefox the second most popular browser by individual version. Internet Explorer 7 may still lead the show with 40.8 percent, But the Firefox usage increase narrows the gap as Microsoft’s browser has remained largely flat since at least July.

Browser Usage Statistics

Source: StatCounter

Report also shows that the individuals prefer to switch to Firefox 3.0 instead of IE 7.0. Mainly because IE 7.0 is for windows platform alone but Firefox rules over all platforms including Windows, its Free, faster and has a ton of Plug-in support.

Small players like Opera 9 is at about 1.9 percent share, while Safari 3 is at 1.6 percent. Opera too is slightly gaining the momentum and grabbed a small portion of the growing trend.

We have to wait and see if IE 8.0 helps MS to gain its browser market share once again!

via Electronista

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