About Infinitas

Infinitas is a cost-effective USB Audio Class 2.0 solution for researchers and the do-it-yourself community. It is a bare circuit board that can be incorporated into your own projects. It comes with no housing. It is based on XMOS XE216-512-TQ128 together with additional expansion boards for audio i/o connectivity. It supports up to 32 input channels and up to 32 output channels. In the pictures above you can see the Infinitas board together with four AnlogIO-x8 expansion boards from the freeDSP project, giving 32 analog input channels and 32 analog output channels in total.

freeDSP Option

With the optional Analog Devices ADAU1452 DSP together with the free graphical development environment SigmaStudio the board becomes freeDSP-Infinitas. The programming model is function-block based – comparable to other graphical programming languages like PureData or Max/MSP. Many prebuilt blocks (e.g., filters, compressors, effects, or logic) can be placed in the signal path via drag and drop. If the included libraries do not have the functions needed, low-level blocks, such as multipliers and delays, can be wired together to create custom algorithms. For more information please refer to the Analog Devices website.

FreeDSP-Infintas and SigmaStudio offer a wide range of DSP processing options and interface controls with easy programmability. It can be used in various audio applications, e.g.:

Room compensation / system equalization Digital crossovers in active loudspeaker concepts Multiband dynamics processing Delay compensation / phase shift Bass enhancement Subwoofer integration Advanced instrument audio effect units Stereo image widening …