MiniDisc
E215019
MiniDisc is a magneto-optical disc-based digital audio format introduced by Sony in the early 1990s, known for its portable, rewritable, and durable design as an alternative to cassette tapes and CDs.
All labels observed (3)
| Label | Occurrences |
|---|---|
| MiniDisc canonical | 1 |
| MiniDisc Walkman | 1 |
| recordable MD (MD-REC) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1934285 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MiniDisc Context triple: [Walkman, mediaFormatSupported, MiniDisc]
-
A.
CD+G
CD+G is a compact disc format that stores low-resolution graphics alongside audio, commonly used for karaoke and simple visual displays.
-
B.
Walkman
Walkman is Sony's iconic line of portable music players that revolutionized personal audio listening starting in the late 1970s.
-
C.
Red Book
The Red Book was an earlier Federal Reserve report that provided periodic summaries of regional economic conditions in the United States before being replaced by the Beige Book.
-
D.
Blu-ray Disc format
The Blu-ray Disc format is a high-definition optical disc technology used for storing and playing back HD and Ultra HD video and large amounts of digital data.
-
E.
Sega CD
The Sega CD is an add-on for the Sega Genesis console that introduced CD-based gaming with enhanced audio, full-motion video, and expanded storage for more complex games.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MiniDisc Target entity description: MiniDisc is a magneto-optical disc-based digital audio format introduced by Sony in the early 1990s, known for its portable, rewritable, and durable design as an alternative to cassette tapes and CDs.
-
A.
CD+G
CD+G is a compact disc format that stores low-resolution graphics alongside audio, commonly used for karaoke and simple visual displays.
-
B.
Walkman
Walkman is Sony's iconic line of portable music players that revolutionized personal audio listening starting in the late 1970s.
-
C.
Red Book
The Red Book was an earlier Federal Reserve report that provided periodic summaries of regional economic conditions in the United States before being replaced by the Beige Book.
-
D.
Blu-ray Disc format
The Blu-ray Disc format is a high-definition optical disc technology used for storing and playing back HD and Ultra HD video and large amounts of digital data.
-
E.
Sega CD
The Sega CD is an add-on for the Sega Genesis console that introduced CD-based gaming with enhanced audio, full-motion video, and expanded storage for more complex games.
- F. None of above. chosen
Statements (56)
| Predicate | Object |
|---|---|
| instanceOf |
digital audio format
ⓘ
magneto-optical disc format ⓘ removable storage medium ⓘ |
| announcedInYear | 1991 ⓘ |
| audioCompressionFormat | ATRAC ⓘ |
| audioEncoding | lossy compression ⓘ |
| audioRecordingTime |
74 minutes
ⓘ
80 minutes ⓘ |
| bitDepth | 16-bit (PCM before compression) ⓘ |
| cartridgeMaterial | plastic ⓘ |
| channelConfiguration | stereo ⓘ |
| competesWith |
CD
ⓘ
surface form:
Compact Disc
Digital Compact Cassette ⓘ analog cassette tape ⓘ |
| dataStorageCapacity | about 140 MB ⓘ |
| declineReason |
competition from file-based digital audio players
ⓘ
rise of recordable CDs ⓘ |
| designedAs |
alternative to Compact Disc
ⓘ
alternative to compact cassette ⓘ |
| developer | Sony ⓘ |
| discDiameter | 64 mm ⓘ |
| discShape | round disc in square cartridge ⓘ |
| firstPortablePlayerModel | Sony MZ-1 ⓘ |
| introducedBy |
Sony
ⓘ
surface form:
Sony Corporation
|
| introducedInYear | 1992 ⓘ |
| laterCompetedWith |
flash memory audio players
ⓘ
hard disk-based audio players ⓘ solid-state MP3 players ⓘ |
| lessPopularInRegion |
United States of America
ⓘ
surface form:
United States
|
| manufacturer | Sony ⓘ |
| marketedAs | portable digital audio format ⓘ |
| notableFeature |
durability
ⓘ
fast track access ⓘ reusability ⓘ shock resistance ⓘ small physical size ⓘ |
| physicalProtection | enclosed in protective cartridge ⓘ |
| powerSourceForPortablePlayers | batteries ⓘ |
| primaryUse |
digital audio playback
ⓘ
digital audio recording ⓘ |
| recordingTechnology | magneto-optical ⓘ |
| recordingType | rewritable ⓘ |
| regionOfStrongAdoption |
Europe
ⓘ
Japan ⓘ |
| samplingRate | 44.1 kHz ⓘ |
| storageMediumType | magneto-optical disc ⓘ |
| successorFormat | Hi-MD ⓘ |
| supports |
non-destructive editing
ⓘ
random access ⓘ track editing ⓘ track reordering ⓘ track titling ⓘ |
| supportsCopyProtection | SCMS ⓘ |
| supportsMode |
pre-recorded MD (MD-Pre)
ⓘ
MiniDisc self-linksurface differs ⓘ
surface form:
recordable MD (MD-REC)
|
| typicalUsePeriod | 1990s to early 2000s ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: MiniDisc Description of subject: MiniDisc is a magneto-optical disc-based digital audio format introduced by Sony in the early 1990s, known for its portable, rewritable, and durable design as an alternative to cassette tapes and CDs.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
recordable MD (MD-REC)