![]() Puretones are useful for calibration, assuming their own calibration is accurate, but they don’t really test the tuner’s handling of a real guitar string. I’ve found that using it for both setting intonation and routine tuning does make a big difference compared to other tuners. The IStroboSoft app does a great job of presenting the unfiltered data in a way your eyes can handle. Others track it well, but it’s difficult to visually filter the information. Some tuners use hysteresis to damp that, but you can’t really tell what they are ignoring. The pitch of a plucked string starts sharp, drifts flat, and fluctuates continuously. eg here the Snark clip on (using mic) does not fare as well as the D'Addario on that test (using a signal generator). Īs well as accuracy, you would want to test sensitivity, ie how far off frequency you need to go before the indicator changes to show that you're off. For tuners/apps based on microphone input (or you could probably connect your PC speaker out to a pedal / desktop tuner's input jack) you can check your tuner(s) yourself. Instead we're supposed to take them basically on faith. You'd think testing tuners against a universal standard would be more common, with manufacturers advertising their verification against a NIST or similar standard. Anecdotally, people reporting small disagreements between tuners seems to be quite common. ![]() Information - Concerts, News,FAQs, Archives. Organs - Electronic (B3 etc.), Pipe, Theatre. Who's Who - Professional Pianists on Piano World Member Recordings - Non Classical Pianist CornerĮVENTS! Piano Concerts, Recitals, Competitions.įun Stuff! - Parties, Tours, Projects & More.įorum Members Parties, Tours, Cruises, & M. MY NEW PIANO or KEYBOARD! - Share Your Story! So no, in my opinion, the Peterson line of tuning gear isn't really appropriate for high-quality piano tuning.ĭigital Pianos - Electronic Pianos - Synths &a. We are currently at the point where there are a few apps that measure most of the notes of the piano and then try to work from the middle out - comparing those partial ladders (based sometimes on tech input, and sometimes not!) to use all of that data to create a slightly jagged 's' curve to better match the piano. At first, it was dismissed as tuning error on the aural tech, but then the next generation of tuning gear re-thought the process of calculating the tuning curve. ![]() There might be little bumps going up and down. there was some research that indicated that a really fine tech that was responsive to the piano didn't tune an exactly smooth curve. These would make assumptions of the 'ladders' of all the other notes based on a few samples.īut. These newer tuners and apps started with measuring one note, but then as decades went along, developers added 3 or more notes to further modify and direct the calcuation of that smooth gentle 's' curve, sometimes linking the stringing break between bass and treble bridges to alter the rules used to create the tuning. You see, the problem is that the partial 'ladders' in an actual piano don't exactly match what we would expect to see from the theory. The template tuners did better, but it wasn't until some of the gear started measuring data for the partial 'ladders' that we got tuning calculations that much better fit the piano. So the reason for the stretch is that each note sounds a partial "ladder" - and to tune notes on the piano, we'd like those partial 'ladders' to sound decent together at some level we are at the mercy of the scale designer for the piano. Think of the calculation as a smooth gentle 's' curve, lower in the bass and higher in the treble. Some even will have common piano models built-in as kindof a generic approach to what may be found in those pianos. Better than above, but still not reflective of what is going on in any particular piano. The next step that happened was to come up with 'templates' - that is, offsets from the basic tuning that stretch going up and down from the middle. In fact, to use one of these, tune an Eb-Eb temperament, because that area isn't stretched very much anyway. It is possible to use these, but without any stretch, things go awry going up and down from the middle. Basic tuning apps are similar to the strobes without any stretch - they try to target the fundamental of any pitch, which often isn't the strongest partial going down from the midrange in a piano. This is probably more than you were asking for. I’m just looking for any insights from the group on tuning references and uses. There are also sweetened/stretched tunings available for specific piano models. With it being a highly accurate chromatic tuner, I figure it could cover enough of the range to be highly useful. I’ve used Peterson apps for years with great results doing guitar repairs and maintenance.
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