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Oscilloscopes are used to observe the change of electrical signal over time.

Tuning fork was invented by lute musician.

Nowadays there are many kinds of spectrum analyzers: stationary, portable, handhled and networked.

Highest note define the position of chord.

There are two type of chords- consonant chords and disonant chords.

Osciloscopes are used not only in the audio (music) industry, but also science laboratories, hospitals and clinics.

Laryngologists use tuning forks in 432Hz becouse that's the frequency human body transcribes the best.

Tuning fork is a tool used to pitch musical instruments.

Use of spectrum analyzer provides a plot and trace of signal amplitude in the frequency domain.

Chord consists of minimum three diffrent notes.

Chords contain tierces (thirds).

Key attributes of networked spectrum analyzers include the ability of synchronize data captures and effortless free acces.

In 1897 german physicist K.F.Braun engineered the first oscilloscope.

Since 1939 binding sound for pitching musical instruments is in 440Hz frequency. Formerly it was 432Hz.

The first of real time computer games was made for oscilloscope. "Tennis for two" was programmed by William Higinbotham in 1958....

There are two types of spectrum analyzers: swept-tuned and time-sequence.