fir filter

  1. Shefffield

    Introduction to forum: digital speaker DIY enthusiast

    Hello, Amir! Hello, Forum! I found my way to this website through Floyd Toole's book and Amir's excellent YouTube channel. I'm hoping to find a similarly grounded approach to our fascinating hobby here. Who am I? I guess my 'hifi career' has been fairly typical until roughly 12 years ago. The...
    • Shefffield
    • Thread
    • active loudspeaker digital crossover digital filter digital room correction directivity diy speaker fir filter
    • Replies: 16
    • Forum: DIY Audio Forum
  2. Saidera

    Evaluation of SBM Direct downconversion from DSD64 via 64 bit FIR filter 32k taps

    My primary interest is in DSP like SBM Direct because DSD to me is overkill. If the ‘best sounding’ PCM CD is made from DSD via SBM Direct, like Sony HK liked to assert, then I want to test that claim properly. So how'd one go about doing that? Like this perhaps...
    • Saidera
    • Thread
    • dsd dsd cd eiichi ohtaki fir filter glenn gould sbm direct sonoma sony music yo yo ma
    • Replies: 16
    • Forum: General Audio Discussions
  3. DavidGA

    Visualizing the Topping D50s FIR modes

    I bought a D50s which I'm very happy with, but I wanted to understand the difference between the FIR modes. I connected it to my (very old, analogue) oscilloscope and snapped some pictures of the waveform of a 980Hz square wave (sampled at 44100Hz) in the seven different FIR modes, and I...
  4. MichaelEA

    DSP basics and FIR Filtering

    I often see questions asking for more information about FIR filtering and the pros and cons. I've put together an article describing some DSP, FIR and IIR basics, and applications in audio. https://eclipseaudio.com/fir-filter-guide/ Let me know if you find this helpful, and/or if there's...
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