[ PICTOGRAM CASE HISTORY ]

Material Symbols Speed 2x Icon (Outlined). Usable with support.

Visible referent: speed 2x. Intended message: The icon must communicate Speed 2x in a digital interface.. The report separates observed asset evidence, submitted context, and public evidence signals.

0.65

PCS

0.44

CLL

0.60

NTR

[ FEATURED PICTOGRAM ]

Pictogram contrast preview
Paper
Ink

pictoclarity / material-symbols-speed-2x-outlined

Output - Material Symbols Speed 2x Icon (Outlined)

Assessing the communicative effectiveness of the Speed 2x icon

This reviewed catalog report estimates clarity for Speed 2x in default interface contexts. Scores are screening estimates and do not replace user testing.

Mobile appWeb appDesktop app

0.65

PCS

PictoClarity Score

0.44

CLL

Convention Learning Load

0.60

NTR

Neurocognitive Transfer Risk

Read Evidence

[ HOW THE CASE READS ]

From Input To Public Evidence.

The application stores structured evidence. The public page turns it into a readable pictogram case history.

01

Submitted Context

Framework output for the Material Symbols Speed 2x icon in the outlined style.

02

Primary Finding

Primary referent: speed 2x.

03

Metric Reading

Implied function: The icon must communicate Speed 2x in a digital interface..

04

Public Recommendation

Conduct user testing focusing on neurodivergent and diverse cognitive styles to evaluate object-to-action transfer and improve neurocognitive convergence.

[ EVIDENCE SCREENING ]

What The Estimate Surfaces.

Semantic Transparency Score

Input

Expected

Estimated

0.60

Confusion Risk Index

Input

Possible

Estimated

0.55

Readability Test Score

Input

Visual

Estimated

0.75

PictoClarity Score

Input

Estimated

Estimated

0.65

Usable with support 0.65

The pictogram works, but labels or testing remain important. The estimate applies to this pictogram, this meaning, and this public context.

Last Reviewed

Jun 23, 2026

[ SCORE SCALE ]

The Public Verdict Has A Range.

The level explains the estimated context. It is not a certification.

0.80-1.00

Strong clarity

The pictogram communicates well in this context.

Use it, then keep testing with real users.

0.65-0.79

Usable with support

Current report

The pictogram works with labels or context.

Pair it with text and monitor interpretation.

0.50-0.64

Needs intervention

The pictogram carries meaningful clarity risk.

Improve the symbol before relying on it.

0.00-0.49

Not reliable

The pictogram does not communicate enough alone.

Replace it or add strong alternative support.

[ CONVERGENCE PROFILE ]

Where Meaning Converges.

The profile compares visual evidence, semantic extraction, cultural recognition, time, and cognitive context. It describes estimated convergence, not universal validity.

Convergent meaning profile

The radar shows where meaning converges. It does not certify universal validity.

Area

0.34

Balance

0.84

Perceptual

0.75

Semantic

0.60

Functional

0.61

Cultural

0.53

Temporal

0.55

Neurocognitive

0.46

Context Independence

0.62

Collective Resonance

0.54

Weakest Axis

Neurocognitive Convergence

How strongly the symbol follows AAC pictogram reading: transparent referent, concrete action, low convention load, and support.

Strongest Axis

Perceptual Convergence

How strongly visual form survives size, blur, contrast, and detail loss.

Convergent meaning profile
AxisScoreDescription
Perceptual Convergence0.75How strongly visual form survives size, blur, contrast, and detail loss.
Semantic Convergence0.60How strongly extracted meaning converges on one interpretation.
Functional Convergence0.61How strongly the symbol maps to the intended function.
Cultural Convergence0.53How strongly recognition holds across cultural evidence and assumptions.
Temporal Convergence0.55How strongly meaning persists over time without semantic decay.
Neurocognitive Convergence0.46How strongly the symbol follows AAC pictogram reading: transparent referent, concrete action, low convention load, and support.
Context Independence0.62How strongly meaning survives without external labels or placement cues.
Collective Resonance0.54How strongly public evidence supports shared recognition and persistence.

Evidence Notes.

8 Findings Published

Evidence

Primary referent: speed 2x.

Evidence

Implied function: The icon must communicate Speed 2x in a digital interface..

Evidence

Metaphor type: functional.

Evidence

The icon's primary referent is 'Speed 2x', intended to communicate double playback speed in digital interfaces.

Evidence

Visual form is strong with a perceptual convergence score of 0.75, indicating good resilience to size, blur, and contrast loss.

Evidence

Semantic and functional convergence scores are moderate (0.6 and 0.61 respectively), showing the icon generally conveys its intended meaning and function but with some ambiguity.

Evidence

Cultural convergence is lower (0.53), reflecting moderate recognition and association across diverse user groups.

Evidence

Neurocognitive convergence is the weakest axis at 0.46, indicating challenges in transparent pictogram reading and higher reliance on learned conventions.

[ TRANSFER / METRIC CHART ]

Public evidence trend

The chart shows public evidence buckets by evidence year. Cohort breakpoints appear only when an aging referent is active.

Public evidence trend

Evidence year: 2026

Evaluation

Reference point.

X axis: Evidence year

Public evidence trend
Evidence yearSemantic TransparencyCultural Evidence
19960.750.73
19970.750.74
19980.770.75
19990.780.76
20000.760.73
20010.740.73
20020.750.73
20030.760.74
20040.760.73
20050.750.74
20060.750.73
20070.740.73
20080.750.74
20090.750.73
20100.760.74
20110.750.73
20120.750.74
20130.750.74
20140.750.74
20150.750.74
20160.740.74
20170.740.74
20180.740.74
20190.740.74
20200.750.75
20210.750.74
20220.750.73
20230.440.61
20240.440.61
20250.450.61
20260.430.59
Cohort transfer is inactive for this published report. The chart above uses evidence-year or metric data instead.

asset source

Material Symbols speed_2x SVG

Material Symbols by Google

Unofficial clarity analysis. PictoClarity is not affiliated with, endorsed by, or sponsored by Google. Material Symbols are provided by Google under their published license.

Open source

public evidence

Putting icons in context : the influence of contextual information on the usability of icons

OpenAlex / 1995-1995

Evidence query: speed 2x icon comprehension.

Open source

public evidence

Interactively skimming recorded speech

OpenAlex / 1994-1994

Evidence query: speed 2x icon comprehension.

Open source

public evidence

Windows into Sensory Integration and Rates in Language Processing: Insights from Signed and Spoken Languages.

OpenAlex / 2011-2011

Evidence query: speed 2x icon comprehension.

Open source

public evidence

Iconic Gestures for Robot Avatars, Recognition and Integration with Speech

OpenAlex / 2016-2016

Evidence query: playback speed control icon recognition.

Open source

public evidence

Scope of attention, control of attention, and intelligence in children and adults

OpenAlex / 2006-2006

Evidence query: playback speed control icon recognition.

Open source

public evidence

A Metaverse: Taxonomy, Components, Applications, and Open Challenges

OpenAlex / 2022-2022

Evidence query: playback speed control icon recognition.

Open source

public evidence

Generating Audio Using Recurrent Neural Networks

OpenAlex / 2018-2018

Evidence query: audio video speed multiplier meaning.

Open source

historical evidence

Google Books Ngram annual buckets: speed 2x

Google Books Ngram / 1996-2026

Annual extraction returned 3904819 records across 23 active years.

Open source

historical evidence

OpenAlex annual buckets: speed 2x icon comprehension

OpenAlex / 1996-2026

Annual extraction returned 125 records across 27 active years.

Open source

historical evidence

Google Books Ngram annual buckets: playback speed

Google Books Ngram / 1996-2026

Annual extraction returned 17293948 records across 27 active years.

Open source

historical evidence

OpenAlex annual buckets: playback speed control icon recognition

OpenAlex / 1996-2026

Annual extraction returned 1468 records across 31 active years.

Open source

historical evidence

OpenAlex annual buckets: speed 2x

OpenAlex / 1996-2026

Annual extraction returned 127639 records across 31 active years.

Open source

[ TECHNICAL SCORECARD ]

The Metrics Behind The Case.

PCS

0.65

PictoClarity Score

STS

0.60

Semantic Transparency Score

CRI

0.55

Confusion Risk Index

VRS

0.73

Visual Readability Score

PCH

1.00

Perceptual Cohesion

RTS

0.75

Readability Test Score

SRS

0.70

Scale Robustness Score

BRS

0.84

Blur Robustness Score

TCS

0.78

Target Contrast Stability

SDS

0.74

Stroke Durability Score

SFS

0.66

Silhouette Fidelity Score

NDS

1.00

Negative Detail Score

BBS

0.03

Bounding Box Balance

CPS

1.00

Compression Preservation

PDS

1.00

Pixel Density Suitability

ORS

0.65

Orientation Robustness

CAS

0.60

Color Accessibility Score

RRS

0.59

Referent Recognition Score

FAS

0.69

Functional Association Score

SOS

0.31

Semantic Obsolescence Score

CSS

0.57

Cultural Saturation Score

ERS

0.53

Evidence Reliability Score

MTS

0.47

Metaphor Transfer Score

TDS

0.48

Temporal Decay Score

GDS

0.23

Generational Divide Score

CLL

0.44

Convention Learning Load

NTR

0.60

Neurocognitive Transfer Risk

SPS

0.49

Symbol Persistence Score

OBS

0.19

Obsolescence Signal

CTS

0.00

Cohort Transfer Slope

[ RECOMMENDED NEXT ACTIONS ]

What Improves This Pictogram.

Action

Conduct user testing focusing on neurodivergent and diverse cognitive styles to evaluate object-to-action transfer and improve neurocognitive convergence.

Action

Maintain visible text labels or tooltips alongside the icon until semantic transparency and functional clarity are empirically confirmed.

Action

Ensure strong contextual cues such as placement and labeling in interfaces to reduce confusion with neighboring controls or similar icons.

Action

Consider design refinements to improve silhouette fidelity and bounding box balance to enhance perceptual clarity further.

Action

Monitor cultural and temporal evidence trends to detect any semantic obsolescence or generational divides that may affect long-term icon usability.

[ Private testing / Admin invite ]

Request an invite for pictogram clarity screening.

Access stays invite-only during private testing.

Requests feed the admin invite queue.

Useful context helps select early pilots.