
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 — …
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 …
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 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 …
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 …
FFT to spectrum in decibel - Signal Processing Stack Exchange
Jul 11, 2016 · Question: how to have an absolute, canonical dB d B values from a FFT, that makes that a pure 0 dBFS 0 dBFS sinewave has a peak of 0 dB 0 dB in the spectrum display ? More generally, …
How to convert digital value from MEMS mic to dB
Jan 24, 2024 · This will give you dBFS values. To convert to dBSPL, refer to the specs: An acoustic input signal of a 1 kHz sine wave at 94 dB SPL applied to the ICS-52000 results in an output signal …
Why do we have negative sign dB in spectrum in audacity?
Aug 8, 2023 · The dBFS scale is a logarithmic scale (hence the dB) with its maximum reaching out to 0, with it being the maximum peak attainable value of the digital system. Thus, all values but the …