ATRAC
E772185
ATRAC is a family of proprietary audio compression codecs developed by Sony, best known for its use in MiniDisc and other Sony digital audio products.
All labels observed (1)
| Label | Occurrences |
|---|---|
| ATRAC canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9000129 — 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: ATRAC Context triple: [MiniDisc, audioCompressionFormat, ATRAC]
-
A.
MPEG-1 Audio Layer III
MPEG-1 Audio Layer III, commonly known as MP3, is a widely used digital audio encoding format that compresses sound data to significantly reduce file size while maintaining acceptable sound quality.
-
B.
MPEG-1 Layer II audio
MPEG-1 Layer II audio is a lossy audio compression format widely used in digital broadcasting and early digital media for efficient, good-quality stereo sound.
-
C.
ALAC
ALAC is the At-Large Advisory Committee within ICANN that represents the interests of individual Internet users in global domain name policy development.
-
D.
ALAC
ALAC (Apple Lossless Audio Codec) is Apple’s proprietary lossless audio compression format designed to reduce file size without sacrificing sound quality, commonly used in iTunes and Apple devices.
-
E.
MP3
MP3 is a widely used digital audio format that compresses sound data to significantly reduce file size while maintaining acceptable listening quality.
- 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: ATRAC Target entity description: ATRAC is a family of proprietary audio compression codecs developed by Sony, best known for its use in MiniDisc and other Sony digital audio products.
-
A.
MPEG-1 Audio Layer III
MPEG-1 Audio Layer III, commonly known as MP3, is a widely used digital audio encoding format that compresses sound data to significantly reduce file size while maintaining acceptable sound quality.
-
B.
MPEG-1 Layer II audio
MPEG-1 Layer II audio is a lossy audio compression format widely used in digital broadcasting and early digital media for efficient, good-quality stereo sound.
-
C.
ALAC
ALAC (Apple Lossless Audio Codec) is Apple’s proprietary lossless audio compression format designed to reduce file size without sacrificing sound quality, commonly used in iTunes and Apple devices.
-
D.
ALAC
ALAC is the At-Large Advisory Committee within ICANN that represents the interests of individual Internet users in global domain name policy development.
-
E.
MP3
MP3 is a widely used digital audio format that compresses sound data to significantly reduce file size while maintaining acceptable listening quality.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
audio compression codec
ⓘ
audio compression codec family ⓘ lossless audio codec ⓘ proprietary codec ⓘ |
| associatedWith |
OpenMG DRM
NERFINISHED
ⓘ
SonicStage software NERFINISHED ⓘ |
| bitrateOptions |
105 kbit/s
ⓘ
132 kbit/s ⓘ 192 kbit/s ⓘ 48 kbit/s ⓘ 64 kbit/s ⓘ 66 kbit/s ⓘ |
| bitrateRange | approximately 292 kbit/s ⓘ |
| compressionDomain | frequency domain ⓘ |
| compressionType | lossy audio compression ⓘ |
| countryOfOrigin | Japan ⓘ |
| developer | Sony NERFINISHED ⓘ |
| fileExtension |
.aa3
ⓘ
.oma ⓘ .omg ⓘ |
| fullName | Adaptive Transform Acoustic Coding NERFINISHED ⓘ |
| hasVersion |
ATRAC Advanced Lossless
NERFINISHED
ⓘ
ATRAC1 NERFINISHED ⓘ ATRAC3 NERFINISHED ⓘ ATRAC3plus NERFINISHED ⓘ |
| introduced | 1992 ⓘ |
| notableFor |
hardware implementation in portable players
ⓘ
low power consumption optimization ⓘ use in MiniDisc format ⓘ |
| primaryApplication |
consumer digital audio storage
ⓘ
portable audio devices ⓘ |
| replacedBy |
AAC
NERFINISHED
ⓘ
MP3 NERFINISHED ⓘ |
| standardizedBy | Sony NERFINISHED ⓘ |
| status | largely discontinued in consumer products ⓘ |
| supports | hybrid lossless-plus-lossy storage ⓘ |
| usedIn |
Hi-MD
NERFINISHED
ⓘ
Hi-MD NERFINISHED ⓘ Memory Stick audio devices NERFINISHED ⓘ MiniDisc NERFINISHED ⓘ MiniDisc LP2 ⓘ MiniDisc LP4 NERFINISHED ⓘ PlayStation Portable NERFINISHED ⓘ PlayStation Portable NERFINISHED ⓘ Sony Network Walkman NERFINISHED ⓘ Sony Network Walkman NERFINISHED ⓘ Sony digital audio players ⓘ original MiniDisc ⓘ |
| uses |
MDCT
NERFINISHED
ⓘ
psychoacoustic model ⓘ |
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: ATRAC Description of subject: ATRAC is a family of proprietary audio compression codecs developed by Sony, best known for its use in MiniDisc and other Sony digital audio products.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.