
How to compute dBFS? - Signal Processing Stack Exchange
Apr 22, 2013 · I asked myself how to compute dBFS (dB full scale) from a value of sample between 1 and -1? and in general?
What additional inputs are required to convert dBFS to dB SPL?
Apr 13, 2023 · It is probably very well known that dBFS cannot be directly converted to dB SPL without knowing other information such as the technical specifications of the microphone. The questions are: …
Converting raw I/Q to dB - Signal Processing Stack Exchange
Dec 14, 2014 · If your hardware driver takes the usual floating-point convention of the absolute extreme sample values being from −1 to +1, then you can say that your dB power values are dBFS — …
What is the meaning of dbFS/LSB - Signal Processing Stack Exchange
Jan 7, 2022 · The resolution in dB/LSB can be thought of as a multiplicator. With 1dB/LSB (Least Significant Bit), the dBFS-Value can be directly obtainend by reading the register. So, an 8Bit …
Calculating dBFS for I/Q - Signal Processing Stack Exchange
0 I'm trying to figure out how to calculate the dBFS for a complex input. I have an AD9361 part which has a 16-bit A/D and I believe outputs I and Q samples. Now I know you can calculate the dBFS for a …
Units of 6.02*N + 1.76 as an FFT noise floor
Jan 9, 2023 · More details: Quantization noise is well approximated as a uniform white noise, from which we derive the equation for the total power due to quantization noise relative to the power of a full …
Calculating estimated ADC Noise Floor from given specifications
Aug 22, 2022 · As per my current understanding, the ADC datasheets for modern high speed ADCs give the noise level measurements in terms of Noise Spectral Density (NSD) in unit of dBFS/Hz. Now to …
dBFS scaling and spectrum - Signal Processing Stack Exchange
Spectrum scaling is tricky for a number of reasons, including sometimes-ambiguous definitions and inconsistent scaling factors that vary among FFT implementations. You should be able to work out …
FFT to spectrum in decibel - Signal Processing Stack Exchange
Jul 11, 2016 · Definitely you will have to calibrate your system. You need to know what is the relationship between dBFS (Decibel Full-Scale) and dB scale you want to measure. In case of digital …
Power Spectrum in dBFs - Signal Processing Stack Exchange
Apr 28, 2015 · I'm trying to get the spectrum of my signal in dBFS units. I'm not sure what is the refernce that I should devide by. I computed the power spectrum as follows: 1) FFT normalized to the number …