Audio example flowgraphs

5 examples you can open and run in the browser, with no GNU Radio installation.

• Audio Tone GeneratorA tone played through the computer's speakers, with live frequency and volume controls
• FM Receiver from RecordingBroadcast FM receiver - a hosted 250 kHz IQ recording demodulated to audio and played through the speakers, with a live volume control
• FM Receiver from RTL SDRBroadcast FM receiver using RTL SDR
• Microphone SpectrumLive spectrum and waveform of whatever the computer's microphone hears
• SamSonic Musical KeyboardPlay synth notes and chords on the SamSonic musical keyboard