Loudspeaker Processing Interchange Format (LPIF)

LPIF is a vendor independent method for documenting and transferring loudspeaker processing data; from IIR or FIR information only to complete loudspeaker presets. LPIF is suitable for both file and network transfer. For more details, download the LPIF specification.

FIR Designer M, FIR Designer and FIR Creator EX all support LPIF (JSON) file export. Products & brands that load LPIF (JSON) are noted below.

FIR Capable Products

Products that allow users to load FIR filters for loudspeaker tuning & system tuning

Pro Audio Products & OEM DSPs:

Lake logo Software: Lake Controller

Requires the Lake FIR 3-way V2 module + FIR Designer Lake Controller plugin

Export File Format: use Direct-To-Processor* functionality

Lake Controller Loading Instructions (via DTP)
Software: Powersoft Armonia

Amplifiers: X, Ottocanali, Quatrrocanali, DueCanali

Export File Format: “Text file (Powersoft Armonia)” OR use Direct-To-Processor* functionality

Armonia loading Instructions (via DTP or text file)
Software: Intelli-Ware

Processors: Apex Intelli series

Export File Format: “Text file (Column, decimal)”

Intelli-Ware loading instructions
Ashly logo Software: Protea

Devices: Protea series DSP processors

Export File Format: CSV or FIR

FIR Filter file format notes on Ashly website

Ashley Protea loading instructions

biamp logo Processors/Software: Tesira

Export File Format: “CSV file (row, decimal)”

Biamp Tesira loading instructions
BSS logo

Crown logo

Software: HiQnet Audio Architect

Devices: Soundweb London, Crown Amplifiers

Export file format: “CSV file (column, decimal)”

Crown I-Tech HD loading instructions
DFM Logo Software: DFM NetControl

Export File Formats:

  • “FIT file (DFM, text)”
  • “F32 file (DFM 32 bit, float)”
  • “FIR file (DFM 64 bit, float)”

LPIF: FIR only

DFM NetControl loading instructions
DSP concepts logo Software: Audio Weaver Designer

Use on any brand processor with an active AWE Core license

Export File Format: “CSV file (column, decimal)”

Electro-Voice Logo

Dynacord logo

Software: IRIS-Net

Export File Format: “GFK file (EV, Dynacord)”

IRIS-Net loading instructions and product FIR filter length list
Linea Research logo Software: System Engineer

Export File Format: “SFI file (Linea Research)”

System Engineer Loading Instructions
MiniDSP logo OpenDRC series, miniSHARK kit, 2×4 HD, PWR-ICE 125 & PWR-ICE 250

Export file Format: “BIN file, 32 bit float”

Load using the MiniDSP plugin specific to each product
QSC Logo Software: QSC Q-Sys Designer

Export file formats (for FIR filters): CSV or WAV

Load CSV, WAV files into the FIR Custom Filter block in Q-Sys Designer.

Use the IIR Custom Filter block in QSC Q-Sys to load IIR filter coefficients generated and saved from FIR Designer’s IIR tab.

Rane commercial logo Software: Halogen

Processor: RANE Hal3S

Export File Formats: CSV or TXT

Symetrix Software: Composer

Export File Format: “CSV file (column, decimal)”

xta logo Software: Library Manager

Export file format: “CSV file (column, decimal)”

Loading Instructions for 4-series processors

Contact XTA for FIR loading instructions for other XTA amplifiers & processors

Xilica Logo


Software: Xilica Designer

Export File Formats: “CSV file (column, decimal)” or “CSV file (row, decimal)”

*Direct-To-Processor functionality is available in FIR Designer M, FIR Designer & FIR Creator EX


Media Managers, Players and Plugins:​

JRiver Media Center Logo Export File Format: “WAV file”

A single-channel FIR filter file can be used across all output channels.

(It is not necessary to create a multi-channel WAV filter file.)

Media Center Download

Media Center DSP settings

Media Center DSP Convolution plugin

Export File Format: “WAV file” Accessing the DSP Engine

Loading instructions

Signalyst Logo Export File Format: “WAV file” HQPlayer Consumer

HQPlayer Professional

Load WAV filter files in the Matrix menu under Convolution Setup


Know another product that allows users to load FIR filters? Please tell us.

Not sure which software to choose? See our Filter Software Comparison Table.