On Wed, Oct 17, 2001 at 06:03:58PM +1000, Roman Black wrote: > Byron A Jeff wrote: > > > > I'm interested in sound generation right at the moment. The specific task is > > building a metronome that has a decent sounding, high volume "TOCK" sound. > > But I figure since there are quite a few issues in terms of generating audio, > > > 5) And finally the metronome question: Any pointers on how to generate a > > quality TOCK sound? > > > Ever attached a 555 timer with a square wave > output to a speaker?? You get a real good tock > sound. :o) I took 2 minutes to test dumping a cap into a small speaker. I wasn't real impressed. > > If you output a single square wave pulse, driven > by one transistor, to the speaker through a 0.1uF > capacitor you will get a decent loud tock. Then you > can simply adjust the length of the pulse and this > will adjust the volume of the tock, over a pretty > good range too if I remember right. I'll test it. Thanks, BAJ -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body