well being a telecommunications / media conglomerate it does make financial sense to come up with something to protect the flow of encoded content and related metadata, be it through 5G or streaming or whatever delivery option the customer has paid for, but from pure engineering standpoint there doesn't appear to be anything new there
On Wed, Sep 1, 2021 at 9:19 PM Yujia Yan <[email protected]> wrote: > I also think It’s patenting the file format. However, it’s unclear for me > if it is actually patentable. All advantages stated in the patent make no > sense in 2021. > I think at least this patent counts as 1 when Verizon fights with some guy > on thousands of patents simultaneously. > > On Wed, Sep 1, 2021 at 21:05 Brian Willoughby <[email protected]> > wrote: > >> The 'T' in "FFT" stands for Transform. This patent is not about the >> transform, but about the encoding of the frequency data. FFT libraries, >> whether open source or closed, do not encode the raw frequency data. FFT >> libraries store frequency domain data in an array of complex numbers, >> without any meta data or other encoding. >> >> This would be equivalent to the difference between RAW audio sample files >> with no headers, versus AIFF, RIFF/WAV, CAF, or other encodings of the >> audio samples. It's far easier to share audio using standard file format >> encodings. >> >> The patent even cites graphics file formats as an example. Raw pixel data >> is difficult to process without standard formats to encode the data and >> metadata. >> >> Caveat: The language of patents is often distinct from the terms used in >> engineering. So, it's possible that I misinterpreted this patent. >> >> Brian Willoughby >> >> >> On Sep 1, 2021, at 14:39, Zhiguang Zhang <[email protected]> wrote: >> > >> > Hey music-dsp list >> > >> > >> > Any idea why someone would want to patent essentially what an open >> source FFT library (and I can name several) does? >> > >> > https://patents.google.com/patent/US11024322B2 >> <https://urldefense.proofpoint.com/v2/url?u=https-3A__patents.google.com_patent_US11024322B2&d=DwMFaQ&c=slrrB7dE8n7gBJbeO0g-IQ&r=w_CiiFx8eb9uUtrPcg7_DA&m=3OaaP-SCV_-ZrGo13HnUxkVVD9ZlGJHxY-rwAN1QC-Y&s=_XGRlsIVQzaSw8LpsVyGQ_e8WIrSzHuJx2tEBtBiOug&e=> >> > >> > Disclaimer: this US patent is from a previous employer >> > >> > >> > -ez >> > >> >
