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# Octave Naming and Pitch Notation

To differentiate a low C note from a high C note, different notations are used.

## Scientific pitch notation

The Scientific Pitch Notation (SPN) is also known as American Standard Pitch Notation (ASPN). Numbers are added to the note names to identify the pitch's octave.

Here is the Scientific pitch notation:

## Helmholtz pitch notation

The Helmholtz Pitch Notation is another notation to identify the pitch's octave, and prime symbol ( ′ ), double prime symbol ( ″ ), triple prime symbol ( ‴ ), are added to the note names to identify the pitch's octave.

Here is the Helmholtz pitch notation:

## English pitch notation

The English Pitch Notation is another notation that repeat note's letters to identify the pitch's octave.

Here is the English pitch notation:

## French pitch notation

The French Pitch Notation is another notation that use numbers to identify the pitch's octave.

Here is the French pitch notation:

## Comparative of pitch notations

Here is a comparative of pitch notations:

1 - https://en.wikipedia.org/wiki/Scientific_pitch_notation
2 - https://www.dolmetsch.com/musictheory1.htm#uspitch

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