The Double String Unison
Tuning Technique (DSU)

• The Double String Unison (DSU) Tuning Technique is a way of tuning piano notes that allows the technician to make much smaller and precise changes in pitch.
• It forces the technician to improve their ability to quickly set solid unisons, and once they have mastered that, the technique becomes very efficient, allowing technicians to make small and precise pitch changes to two strings at once.
• Below are the lessons that will show you how the technique works and will allow you to practice the technique using recordings of actual piano strings.

Introduction (Pending)

DSU Lesson #1a - Test Your Pitch Sensitivity

DSU Lesson #1b - Hearing Pitch Change Demonstration (Pending)

DSU Lesson #2a - Train Your Ear to Hear Different Out of Tune DSU

DSU Lesson #2b - DSU Ear Training Demonstration (Pending)

DSU Lesson #3a - DSU Practice

DSU Lesson #3b - DSU Demonstration (Pending)

DSU Lesson #4a - Beat Matching (Pending)

DSU Lesson #4b - Beat Matching Practice (Pending)

DSU Lesson #4c - Beat Matching Example

Documents:

DSU Procedure