Impulse Responses (IRs)   What IRs does Helix support?   Helix supports nearly all IRs in .WAV format. However, the Helix Edit application may automatically change its attributes before sending it to the Helix hardware:   • Converts all .WAV IRs to 16-bit, 48kHz mono; when loading a stereo file, Helix Edit uses only the left side • Shortens (or lengthens) the IR to 2,048 samples. The user may choose a 1,024-sample version to save DSP, which fades out the