Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Yamaha YM2413: Companies, Variants & Overview

The YM2413, a.k.a. OPLL, is a 9-voice FM synthesis sound chip manufactured by Yamaha Corporation. It is related to Yamaha's OPL family of FM synthesis chips, being a cost-reduced version of the YM3812 (OPL2). It has nine concurrent FM channels with two operators per channel, and features a percussion mode (or rhythm mode) that turns the last three…

Language: English [EN]
Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.
100%
More settings
100% 100% 100% 100% 100%

Yamaha YM2413 topic overview

The analysis highlights Companies, Variants and Overview as prominent areas in the source structure around Yamaha YM2413.

Related topics
29
Source areas
3
Connected nodes
32
Extracted relationships
12
Concept neighborhoods
13
Bridge connections
32

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 16 topics
Variants · 7 topics
Description · 6 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Component type
sound chip
First produced
1986
Invention year
1 July 1986
Manufacturer
Yamaha

Suggested research paths

A focused starting point derived from the topic graph, ranked independently of the source article order.

Start with these areas

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Description

Variants

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Yamaha YM2413 connects Entity context

The extracted context around Yamaha YM2413 shows recurring relationship patterns in the source. For example, Yamaha YM2413 → Accessed, AGE Labs, Brychkov, FM-Pak, Luppes, Martin, Musicd'Osvualdo, SRAM Another extracted example is Yamaha YM2413 → sound chip. Use these groups to spot repeated connection types before inspecting the individual relationships.

Yamaha YM2413

Top relations

related to External links · 8
Yamaha YM2413 → Accessed, AGE Labs, Brychkov, FM-Pak, Luppes, Martin, Musicd'Osvualdo, SRAM
Component type · 1
Yamaha YM2413 → sound chip
First produced · 1
Yamaha YM2413 → 1986
Invention year · 1
Yamaha YM2413 → 1 July 1986
Manufacturer · 1
Yamaha YM2413 → Yamaha

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

ym2413 fm yamaha also different chip sound patches dac used built pinout um3567 two built-in game machines variants msx removed

Yamaha YM2413 relationships Subject–Predicate–Object triples

TTTA extracted 12 structured relationships around Yamaha YM2413. Examples in this analysis include Yamaha YM2413 → Component type → sound chip and Yamaha YM2413 → First produced → 1986. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Yamaha YM2413Component typesound chip1.00infobox
Yamaha YM2413First produced19861.00infobox
Yamaha YM2413Invention year1 July 19861.00infobox
Yamaha YM2413ManufacturerYamaha1.00infobox
Yamaha YM2413related to External linksMusicd'Osvualdo0.60section
Yamaha YM2413related to External linksLuppes0.60section
Yamaha YM2413related to External linksMartin0.60section
Yamaha YM2413related to External linksBrychkov0.60section
Yamaha YM2413related to External linksFM-Pak0.60section
Yamaha YM2413related to External linksSRAM0.60section
Yamaha YM2413related to External linksAGE Labs0.60section
Yamaha YM2413related to External linksAccessed0.60section

Related concept clusters Concept neighborhoods

The concept neighborhoods around Yamaha YM2413 bring nearby vocabulary together. In this analysis, examples include Different, Fm and Pinout. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Yamaha YM2413
    • Different
    • Fm
    • Pinout
    • Derivative
    • Yamaha
    • Ym2413
    • Patches
    • Set
    • Built
    • Later
    • Sound
    • Used
  • yamaha ym2413
    • Different
    • Fm
    • Pinout
    • Derivative
    • Yamaha
    • Ym2413
    • Patches
    • Set
    • Built
    • Later
    • Sound
    • Used
  • fm synthesis
    • Patches
    • Set
    • Built
    • Pinout
    • Opl
    • Different
    • Ym2413
    • Chips
    • Family
    • Synthesis
    • Channels
    • Sound
  • sound chip
    • Add-on
    • Games
    • Including
    • Produced
    • Sega
    • Yamaha
    • Game
    • Removed
    • Sound
    • Japanese
    • Msx
    • Msx-music
  • family computer
    • Arcade
    • Game
    • Machines
    • Used
    • Opl
    • Synthesis
    • Chips
    • Compatible
    • Derivative
    • Um3567
    • Also
    • Fm
  • sega master system
    • Games
    • Sound
    • Japanese
    • Msx
    • Produced
    • Arcade
    • Compatible
    • Built-in
    • Game
    • Used
    • Yamaha
    • Ym2413
  • atari games
    • Including
    • Sega
    • Sound
    • Japanese
    • Msx
    • Produced
    • Arcade
    • Built-in
    • Game
    • Used
    • Yamaha
    • Ym2413
  • dac
    • Removed
    • Two
    • Um3567
    • Different
    • Instead
    • Later
    • Using
    • Variants
    • Ym2413

Connections between topic areas Semantic bridges

For Yamaha YM2413, one of the stronger structural bridges in this analysis connects Yamaha YM2413 with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Yamaha YM2413 — Overview · splits 16 ⟂ 17
Yamaha YM2413 — Variants · splits 25 ⟂ 8
Yamaha YM2413 — Description · splits 26 ⟂ 7

Map overview Semantic statistics

Yamaha YM2413

Nodes33
Edges32
Triples12
Avg. degree1.94
Density0.060606
Components1

Source & methodology

TTTA analyzes the structure around Yamaha YM2413 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Companies, Variants & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Yamaha YM2413 · EN edition · Analysis: TopicsToTalkAbout

For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.