Brand new, user-friendly demos of all our DSP filter design software tools are now available for free download. Now you can try out any software in the FIR Designer range WITHOUT having to upload any measurements first. Skip the ‘Import’ tab & dive right into the workflow & customization options using the pre-loaded example project.

FIR Designer, FIR Creator & Creator EX demo versions all now include the same single-channel pre-loaded example project. In FIR Designer M, an entire multi-channel example system has been pre-loaded to enable experimentation across all channels.

Please note, the IIR Reference Editor , auditionDSP player+processor & other selected features (built into some of our tools) are only available within the licensed software versions (not the free demos).

For help choosing the right tool for your needs, check out the software feature comparison table.

In response to customer requests, the latest version of FIR Designer M includes a new polar ‘heatmap-style’ plot in the ‘Supplementary Responses‘ window.

The Supplementary Responses window displays the behavior of custom filtering & presets when applied to additional sets of uploaded measurements; either for a single loudspeaker or for each loudspeaker driver in a multi-way system. (See supported measurement file formats).

In FIR Designer M version 4, the processed measurement sets can now be optionally viewed as a polar heatmap-stype plot, making evaluation of directional behaviour (including on and off-axis) much easier. Where measurement sets only include one off-axis direction (due to loudspeaker symmetry), the Polar Map plot can be mirrored at either the top or bottom. Other plot customizations include vertical flipping, setable angle limits and the option to view either the combined loudspeaker response, or each channel individually.

As before, the Supplementary Responses window has controls for preparing the measurements sets, including optional time-alignment, level adjustment and level normalization.

Viewing supplementary responses is only possible in the full version of FIR Designer M (not the demo version).

*Demo version doesn’t include the Supplementary Responses window

‘auditionDSP’ is the digital signal processor & audio player built into the recently released FIR Designer M version 4. It allows users to LISTEN to their custom filters using either live audio or uploaded files, with live switching between up to three presets.

It’s perfect for auditioning, developing & perfecting custom loudspeaker filters and presets, without the need to export data to an external hardware processor for playback. Learn more about auditionDSP.

The free demo version of FIR Designer M doesn’t include auditionDSP, so we’ve just released a brand-new video to demonstrate how it works: