**CIGAL Reference Manual, Chapter 6 (RealTime): r_tone** ===== r_tone -- Generate a tone sound ===== **usage: r_tone opflg eflag ltime Duration Freq Amplitude Timbre Chan** R_TONE is a REALTIME operator that generates an auditory output sound of specified duration, frequency, and amplitude. The duration is specified in milliseconds, the frequency in Hertz, and the amplitude in relative units. **See Also:**\\ [[jvs:cigal|CIGAL Home]], [[jvs:cigal:manual|CIGAL Manual]], [[jvs:cigal:manual:chapter6|RealTime List]], [[jvs:cigal:manual:help|Manual Help]]