LDAC
E486618
LDAC is a high-resolution Bluetooth audio codec developed by Sony that enables wireless transmission of higher-quality audio than standard codecs like SBC.
All labels observed (2)
| Label | Occurrences |
|---|---|
| LDAC canonical | 9 |
| LDAC codec | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5015693 — 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: LDAC Context triple: [SBC, hasSuccessorCodecs, LDAC]
-
A.
aptX
aptX is an audio codec designed to deliver higher-quality, low-latency wireless sound, commonly used over Bluetooth connections for music and media streaming.
-
B.
MQA
MQA (Master Quality Authenticated) is a proprietary audio codec and encoding technology designed to deliver high-resolution, studio-quality sound in relatively small file sizes for streaming and playback.
-
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.
HE-AAC v2
HE-AAC v2 is an advanced audio codec profile that combines AAC with spectral band replication and parametric stereo to deliver high-quality sound at very low bitrates, commonly used in streaming and broadcasting.
-
E.
Dolby Headphone
Dolby Headphone is an audio technology that simulates multi-channel surround sound over standard stereo headphones to create an immersive listening experience.
- 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: LDAC Target entity description: LDAC is a high-resolution Bluetooth audio codec developed by Sony that enables wireless transmission of higher-quality audio than standard codecs like SBC.
-
A.
aptX
aptX is an audio codec designed to deliver higher-quality, low-latency wireless sound, commonly used over Bluetooth connections for music and media streaming.
-
B.
MQA
MQA (Master Quality Authenticated) is a proprietary audio codec and encoding technology designed to deliver high-resolution, studio-quality sound in relatively small file sizes for streaming and playback.
-
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.
HE-AAC v2
HE-AAC v2 is an advanced audio codec profile that combines AAC with spectral band replication and parametric stereo to deliver high-quality sound at very low bitrates, commonly used in streaming and broadcasting.
-
E.
Dolby Headphone
Dolby Headphone is an audio technology that simulates multi-channel surround sound over standard stereo headphones to create an immersive listening experience.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
Bluetooth audio codec
ⓘ
audio codec ⓘ lossy audio codec ⓘ |
| canTransmit | up to 24-bit/96 kHz audio (with compression) ⓘ |
| comparedTo |
AAC
ⓘ
SBC ⓘ aptX ⓘ |
| compressionType | lossy compression ⓘ |
| developer |
Sony
ⓘ
Sony Corporation ⓘ
linked to:
Sony
|
| hasHigherQualityThan | SBC ⓘ |
| introducedBy | Sony in the mid-2010s ⓘ |
| isStandardCodecOn | many Sony audio devices ⓘ |
| marketedAs | high-resolution audio codec ⓘ |
| optimizedFor | Bluetooth wireless audio ⓘ |
| partOf |
Sony Hi-Res Audio ecosystem
ⓘ
linked to:
Sony audio technology
|
| recognizedBy | Japan Audio Society (for Hi-Res Audio logo on compatible devices) ⓘ |
| requires | LDAC support on both transmitter and receiver ⓘ |
| supportedBy | Android 8.0 and later (AOSP integration) ⓘ |
| supportsBitDepth |
16-bit
ⓘ
24-bit ⓘ |
| supportsBitrate |
330 kbps
ⓘ
660 kbps ⓘ 990 kbps ⓘ |
| supportsChannelConfiguration | stereo ⓘ |
| supportsContentType |
Hi-Res Audio
ⓘ
high-resolution audio ⓘ |
| supportsSampleRate |
44.1 kHz
ⓘ
48 kHz ⓘ 88.2 kHz ⓘ 96 kHz ⓘ |
| supportsTechnology | Bluetooth ⓘ |
| tradeoff | higher bitrate for improved audio quality ⓘ |
| transmissionMedium | wireless ⓘ |
| usedIn |
Android smartphones
ⓘ
Sony wireless headphones ⓘ Sony wireless speakers ⓘ |
| uses | adaptive bitrate modes ⓘ |
| usesTransport | Bluetooth A2DP ⓘ |
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: LDAC Description of subject: LDAC is a high-resolution Bluetooth audio codec developed by Sony that enables wireless transmission of higher-quality audio than standard codecs like SBC.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: LDAC