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In graph Frontier
PsychoacousticsAcousticsEstablished

Phon

A unit of loudness level equal to the sound pressure level in decibels of an equally loud 1 kHz tone.

PhonLoudnessAmplitudeSoneMusical dynamicsEqual-loudness contourWaveSound waveSound intensity

At a glance

Type
information
Disciplines 2
PsychoacousticsAcoustics
Mental models 0
—
Role in the graph
Leaf concept

Key signals

Cross-disciplinary reach
Disciplines
2
  • Psychoacoustics
  • Acoustics
Evidence & development

Structural role & consequence

Interpreted from the current atlas graph — what the connections mean, not just how many there are.

  • 100% of its relationships cross field boundaries, reaching 3 other disciplines — unusual in a discipline where most concepts stay within their field.

    structural · Structural graph analysis — not a claim of importance, causation or history.

  • Currently dark in the atlas: no key date stored · 1 of 1 of its relations lack claim-level evidence.

    atlas representation · Describes the current Thinking OS representation, not the state of the world.

100%

cross-field
0 within-field, 1 cross-field

0 of 1 relations carry evidence · concept has a verified source

Strengths & constraints

Strengths

  • Cross-disciplinary connector — 100% of its relationships cross field boundaries. structural

Constraints

  • Evidence coverage currently thin in the atlas — few of its relationships carry claim-level evidence. atlas representation
  • No dated history stored — the atlas records no key date for this concept. atlas representation

Conditions

  • Read structurally — most of its relationships carry no external evidence yet, so claims here are graph-derived. structural

Seen through each discipline

How this concept sits in each of its fields — derived from its real connections in the graph, not asserted.

Psychoacoustics

Phon is studied in this field.

Phon through the Psychoacoustics lens →

Acoustics

Phon is studied in this field.

Phon through the Acoustics lens →

Concepts that look related but are not yet connected here — candidates for a connection to reason about, not established links.

This idea also appears in…

The same structure shows up in other disciplines. These are real recurrences drawn from the graph — a starting point for asking “what carries over, and what changes?”

Concepts

  • LoudnessPhysicsCognitive ScienceMusic

    crosses a discipline boundary

The scientific picture
  • Connects 1 other ideas across 2 disciplines.
  • Most of its connections are of the “Explains & models” kind.

Derived from the graph’s real structure — observations, not a score.

Sources