Release notes (Version 4)

What’s changed

• One-click Arm CMSIS-DSP code generator, allowing for automatic code generation to M0, M3, M7, M23, M33 and M55 Arm cortex devices.
• Code generation for AI/ML applications via Helium Cortex-M55 code for Armv8.1-M architectures.
• Ability to delete imaginary filter coefficients without re-designing filter.
• Z-plane interactive mouse marker.
• Changed Biquad IIR BPF specification so that the order matches the number of sections. All existing designs will be automatically corrected.
• Added TKEO() math method – good for biomedical applications
• Signal analyser:
  • Added TKEO() math method – good for biomedical applications
  • Added Kurtosis() and ‘Feedthrough’ filter on H3 filter
• Updated Matlab, Python, Scilab frameworks to include new Math and filtering methods support.
• Deprecated Altair compose framework
• FilterScript 2.12:
  • Added fft(), arbmagphase() and peaking() functions
  • Added 3-band equaliser script example
  • Fixed data issue with abs(), angle(), real() and imag()
  • Updated importdata() function to support multiple column data