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This paper presents the implementation of an Eclipse plug-in for preserving and reloading debug session, in the domain of DSP application development. The plug-in has the ability to save the state of the currently active debug session and the ability to restore it if requested. This is done by saving the state of the integrated development environment, as well as the state of the target platform on...
Astract — This paper describes one solution for an implementation of the surround speaker virtualization module for digital signal processor in sound bar systems. The main problem in sound bar systems is complex audio processing execution in real-time. When the virtualization algorithm is executed on the embedded platform in real-time, it produces surround sound from the sound bar placed in front...
This paper depicts highlights of data flow CAD (Computer-aided design) tool used for firmware development at the highest level of abstraction, with the ability of source code profiling and power consumption estimation for heterogeneous multi-core hearing aids.
Wireless technology for audio transmitting has many aspects of use. This paper describes one solution of a wireless audio system based on G.722 codec. One of a major problem in wireless technology is an electromagnetic interferences which can corrupt transmitted data. To protect against that problem, FEC (Forward Error Correction) technique was developed. One implementation of FEC is described in...
Data model changes in software applications raise a reusability problem with files saved before the changes. This paper describes program support for data translation by using a software extension for an integrated development environment. The extension translates data from a binary file used by earlier versions of the tool to a set of XML files which correspond to the model of the new tool. Logic...
Smart Post-Processing (SPP) is a control algorithm for removing distortion in post-processing systems. Its most complex part is an audio quality improvement checkout routine. We have shown that even when using the simplest algorithm for this purpose results are satisfactory. On the other side it allows implementation of SPP on any commercial DSP platform, even with very restricted resources.
Starting from mathematical model, following electric guitar effects are implemented: delay, chorus and flanger. Implementation is done on a commercial fixed point single core DSP processor, which has total 24k words data memory, 2k program memory and processor speed of 150 MIPS.
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