Tone generator Windows Forms app made around 2010. Default frequency is 440 Hz which is A4, and buttons increment the frequency up or down by one semitone. Play up to 6 tones at once Play continuous ...

PTPPing is a passive-measurement toolkit that pinpoints how much each network hop adds to real-time audio latency. Instead of synthetic ICMP pings, we ship actual audio (short 440 Hz bursts) through ...