--- In [email protected], Philip Pemberton <[EMAIL PROTECTED]> wrote: > > But surely it's better to feed a stronger signal into the A/D and use > as much of its conversion resolution (bits) as possible, rather than > feeding a tiny signal into (say) a 16-bit A/D and only getting 4 bits > (or so) of usable signal?
Analyzing the original file with Audition shows that the peak amplitude is at -40dB from full scale, giving a headroom of 40dB. The amplitude resolution of the sampling is 16 bits, i.e. about 96dB, which means 56dB below the peak amplitude. So it looks like that recording is placed correctly at mid way between the two extremes. Remember, that station (Voice od Croatia) was not particularly strong, less than S9 on the Winrad S-meter. Considering that local AM stations have a signal strength greater than S9+40dB, you may appreciate the need for an adequate headroom. 73 Alberto I2PHD
