DSP Dimension Releases Dirac 3.5 – Introduces DiracFx API
Mainz, Germany, September 13th, 2011 – The DSP Dimension today announces the immediate availability of version 3.5 of its award winning cross-platform time stretching and pitch shifting library DIRAC. Version 3.5 is a free update for licensed users and adds new features to the Dirac core and the DiracRetune API, such as key mapping and automation callbacks. It also introduces “DiracFx”, a new API that offers transient-aware time stretching and pitch shifting for polyphonic music at unprecedented speed and unbelievable quality. DiracFx is the world’s first time stretching algorithm that does its DSP magic without using trigonometric functions, resulting in dramatically increased performance over traditional FFT based methods.
The free DiracLE library has also been updated and now contains a free DiracFx AudioUnit pitch shifting plug-in for MacOS X 10.5 and higher (32 and 64bit Universal), that can be used with all AudioUnit aware host applications on any MacOS X system. Plenty of example projects for Linux, MacOS X, iOS and Windows are included with DiracLE, which can be downloaded for free from http://dirac.dspdimension.com
Dirac Time Stretch v3.2.5 Adds Realtime Examples and iOS 4.3/Xcode 4 Compatibility
Mainz, Germany, April 6th, 2011 — The DSP Dimension announces the immediate availability of version 3.2.5 of its critically acclaimed time stretching and pitch shifting technology Dirac. This new version improves stability on all platforms and adds new realtime processing example projects for iOS and MacOS X. This version also adds full compatibility with Apple’s new Xcode 4.
DiracLE and PRO evaluation have already been updated with the other versions to follow later this week.
Dirac 3.2 Now Available For Download
Mainz, Germany, November 30th, 2010 — The DSP Dimension announces the immediate availability of version 3.2 of its critically acclaimed time stretching and pitch shifting technology Dirac. Version 3.2 is available to all licensing partners and also to the general public via the free DiracLE version for MacOS X, Windows, Linux and the iPhone, which can be downloaded from http://dirac.dspdimension.com
New in version 3.2:
- [MacOS X][iOS]: Improved performance of vectorized code for kDiracLambdaPreview and kDiracLambdaTranscribe
- [iOS]: Compiled against latest iOS 4.2 SDK
- [iOS]: Removed unsupported UNIX symbol that caused the linker to fail when compiling for simulator target
- Improved speed of formant correction, up to 2.4x on vector-enabled platforms
- kDiracPropertyUseConstantCpuPitchShift in combination with kDiracLambdaTranscribe could cause unexpected results
- fixed crash with kDiracLambdaTranscribe and sample rates other than 22.05kHz and 44.1kHz
- fixed gain change when using kDiracLambdaTranscribe
- Removed cache warning messages
- Fixed formatting error in parameter output when using DiracPrintSettings()
- Optimized memory footprint when using kDiracLambdaTranscribe
- Introduced kDiracPropertyCacheMaxSizeFrames and kDiracPropertyCacheNumFramesLeftInCache property constants
- Added cross platform time measurement utilities, DiracStartClock() and DiracClockTimeSeconds() to keep the example projects more readable
- Added CPU usage measurement tools (DiracPeakCpuUsagePercent())
DIRAC Version 2.2 Available
December 8th, 2009 – The DSP Dimension is proud to present version 2.2 of its critically acclaimed DIRAC2 time stretching and pitch shifting software that enables developers to include the ability to change the speed and pitch of voice, instruments and music in their applications. Version 2.2 fixes the following issues and is a recommended for all users of the software on all platforms:
v2.2.0 [0912080900]
- Fixed volume offset for certain quality/lambda settings
- Fixed excessive bass and DC response for frequencies < 20Hz
- Fixed bug that caused the formant scaling to be always reciprocal to pitch in STUDIO
- Optimized kDiracLambda1 (voice mode)
The new version of the free LE variant is available from the DSP Dimension download page at http://www.dspdimension.com/download/
The DSP Dimension Releases DIRAC2 on Windows, MacOS X, Linux and iPhone
Mainz, Germany, October 23rd, 2009 — The DSP Dimension is proud to announce the release of version 2 of its much anticipated DIRAC2 Time Stretching and Pitch Shifting object library now available for Windows, MacOS X, Linux and the Apple iPhone. DIRAC2 is available as both a commercial object library offering unlimited sample rates and phase locked multichannel support and as a free single channel, 44.1/48kHz LE version.
Our free DIRAC2 LE project offers the full audio quality of the commercial version, is fully documented and easy to understand, and compiles and works right out of the box. Think of the potential that you can unleash in your app (and the added value) by writing just half a page worth of additional code without even investing a single dollar.
About DIRAC2
DIRAC2 redefines the limits of what todays’ technology can do for your application if you want to change the speed and pitch of music independently without sacrificing quality. Used by leading hi-end audio processing applications and custom built solutions in studios around the world, DIRAC2 is the improved successor to our critically acclaimed DIRAC time stretching and pitch shifting technology that works with both musically monophonic and polyphonic signals with equal ease and success. Its straightforward API makes this an ideal tool for any software project that requires time stretching and pitch shifting.
From Creativity to Hi-End Mastering
DIRAC2 can be used wherever speed and pitch of audio need to be changed independently of each other: for NTSC/PAL frame rate conversion, for adjusting the length of an ad to fit into a predefined time frame, for changing speed and pitch of audio tracks for remixing. It does all these tasks without making your music sound unnatural or altering the stereo image and instrument localization.
Check out DIRAC2 today on http://www.dspdimension.com
DIRAC v2 Public Beta for the iPhone Available
Mainz, Germany, October 5th, 2009 — We are happy to announce the first public beta of the new DIRAC version 2 for the iPhone. Over the past few weeks, we have received numerous requests for an iPhone version of our DIRAC time stretch/pitch shift technology, since Apple is not providing their AUTimePitch AudioUnit for the iPhone. Until now, iPhone developers had to use their own methods to change pitch and speed of audio signals independently, as no commercial grade solution was available.
As of today, DIRAC v2 for the iPhone is in public beta test and we expect to release support for its full range of platforms this week. The LE version will continue to be free and all versions will be available for Windows, MacOS X, Linux and the iPhone. Upgrades for existing 1.x licenses will also be available.
For general information on the product please visit our DIRAC page at http://www.dspdimension.com/technology-licensing/dirac2/ which will also be updated to version 2 soon. Version 2 offers increased speed, a better preview mode, better formant correction, iPhone support, 64bit support and is now ANSI C callable.
If you want to participate in the beta test and download a fully functional beta version of the free LE version right now you can do so from http://beta.dspdimension.com/iPhoneTest.zip (please see the license agreement that comes with the archive). Please contact us with any questions or problems that you might have via our contact form.