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Real-Time Long FIR Convolution on STM32F769I Discovery Board

Started by MJL 1 month ago3 replieslatest reply 1 month ago87 views
I want to convolve a long FIR (at least 800 samples) with real-time analogue stereo audio data on a STM32F769I-Discovery board.  I have posted questions about this...

Estimating correct sampling rate for 802.11-like signal (for timing adjustment)

Started by robkjn99 2 months ago7 replieslatest reply 1 month ago78 views
Hi,I am sorry if my question might look trivial to you, but I have several books and papers scattered on my desk and still I cannot find a good answer to it (possibly...

Few questions on wireless and LTE

Started by Sharan123 2 months ago7 replieslatest reply 2 months ago88 views
Hello,I have a few questions related to wireless and I will use LTE standard to put these questions.1) if we look at the sub-carriers frequency plot, we see sub-carriers...

FFT sub-band Analysis Pros / Cons

Started by Samp17 2 months ago4 replieslatest reply 2 months ago131 views
I am looking at different ways to implement frequency analysis of various speaker sytstems.  I can take a log sine sweep and extract an impulse response, and perform...

Fractional rate asynchronous conversion for highly oversampled data

Started by deba 2 months ago11 replieslatest reply 2 months ago122 views
Hi All,The general method used for fractional rate conversion is to use a polynomial based filtering of the input data like a Farrow structure. This structures are...

What is this effect ?

Started by El_barto 2 months ago6 replieslatest reply 2 months ago134 views
Hi everyone,I am currently trying to regenerate piano sounds using machine learning techniques. Here are some of the results ; as you can hear, it needs improvement....

CMSIS DSP ARM Complex FFT output arrangement

Started by lorecn1 2 months ago10 replieslatest reply 2 months ago113 views
I'm trying a snippet of code, based on CMSIS DSP Library, that take 2 quadrature (I & Q) signals and do complex fft. (pseudo code)FFT_SIZE = 128I signal [128]Q...

Designing an IIR comb (peak) filter

Started by bobby_k 2 months ago9 replieslatest reply 2 months ago110 views
Hi there,I'm trying to design an IIR comb filter to keep only 10 Hz harmonics in a noisy signal which is periodic at 10 Hz for noise rejection.  The comb filter...

DSP RTL Library (DRL): An Open Source Verilog/SystemVerilog Approach

Started by ahmedshahein 2 months ago2 replieslatest reply 2 months ago119 views
I am delighted to share with my passion in DSP by releasing the DSP-RTL-Library or (DRL) on GitHub. The library provides various standard DSP components such as;...

DAC dithering for low frequency signal measurement

Started by herrmattoon 3 months ago9 replieslatest reply 3 months ago104 views
Hi everybody,I want to use the output of an 125MHz DAC to generate dither on the input of my ADC (Redpitaya). I have many questions but first, the background :I...

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