Bluetooth A2DP
E486617
Bluetooth A2DP is a wireless audio streaming profile that enables high-quality stereo sound transmission over Bluetooth connections from a source device to headphones, speakers, or other audio receivers.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Bluetooth A2DP canonical | 2 |
| Bluetooth A2DP profile | 2 |
| A2DP | 1 |
| AVDTP | 1 |
| Bluetooth A2DP specification | 1 |
| Bluetooth audio profile | 1 |
| Bluetooth telephony profile | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5015661 — 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: Bluetooth A2DP Context triple: [SBC, usedIn, Bluetooth A2DP]
-
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.
Bluetooth
Bluetooth is a short-range wireless communication technology standard used to connect and exchange data between devices such as phones, computers, headphones, and peripherals.
-
C.
BLE
BLE is the abbreviation for the German Federal Agency for Agriculture and Food, a government authority responsible for implementing agricultural, food, and rural development policies.
-
D.
Bluez Brothers
Bluez Brothers is a hip-hop production duo best known for their work on The Notorious B.I.G.’s landmark debut album "Ready to Die."
-
E.
Pixel Buds
Pixel Buds are Google’s wireless earbuds designed to integrate tightly with Android and Google Assistant, offering features like real-time translation and hands-free voice control.
- 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: Bluetooth A2DP Target entity description: Bluetooth A2DP is a wireless audio streaming profile that enables high-quality stereo sound transmission over Bluetooth connections from a source device to headphones, speakers, or other audio receivers.
-
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.
Bluetooth
Bluetooth is a short-range wireless communication technology standard used to connect and exchange data between devices such as phones, computers, headphones, and peripherals.
-
C.
BLE
BLE is the abbreviation for the German Federal Agency for Agriculture and Food, a government authority responsible for implementing agricultural, food, and rural development policies.
-
D.
Bluez Brothers
Bluez Brothers is a hip-hop production duo best known for their work on The Notorious B.I.G.’s landmark debut album "Ready to Die."
-
E.
Pixel Buds
Pixel Buds are Google’s wireless earbuds designed to integrate tightly with Android and Google Assistant, offering features like real-time translation and hands-free voice control.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Bluetooth profile
ⓘ
wireless audio streaming technology ⓘ |
| abbreviation |
A2DP
ⓘ
linked to:
Bluetooth A2DP
|
| audioDirection | unidirectional ⓘ |
| category |
Bluetooth audio profile
ⓘ
linked to:
Bluetooth A2DP
wireless audio ⓘ |
| commonlyImplementedIn |
Bluetooth speakers
ⓘ
laptops ⓘ smartphones ⓘ tablets ⓘ wireless headphones ⓘ |
| definedBy |
Bluetooth SIG
ⓘ
linked to:
Bluetooth Special Interest Group
|
| enables | listening to device audio without cables ⓘ |
| fullName | Advanced Audio Distribution Profile ⓘ |
| hasLimitation |
latency compared to wired audio
ⓘ
quality dependent on codec and bitrate ⓘ |
| introducedBy | Bluetooth Core Specification 1.2 era ⓘ |
| layer | application layer ⓘ |
| notDesignedFor | voice call audio ⓘ |
| operatesOver |
Bluetooth BR/EDR
ⓘ
linked to:
Bluetooth
|
| optimisedFor | music and media playback ⓘ |
| relatedProfile |
Bluetooth AVRCP
ⓘ
Bluetooth HFP ⓘ
linked to:
HFP
|
| requires |
Bluetooth pairing
ⓘ
codec negotiation between devices ⓘ |
| role |
sink
ⓘ
source ⓘ |
| supports |
high-quality audio streaming
ⓘ
one-way audio streaming ⓘ stereo audio transmission ⓘ |
| supportsCodec |
AAC
ⓘ
ATRAC ⓘ LDAC ⓘ MP3 ⓘ SBC ⓘ aptX ⓘ aptX HD ⓘ |
| transmissionType | packet-based digital audio ⓘ |
| transmitsFrom | audio source device ⓘ |
| transmitsTo |
Bluetooth audio receiver
ⓘ
Bluetooth headphones ⓘ Bluetooth speakers ⓘ |
| typicalUseCase |
streaming audio from computer to Bluetooth speakers
ⓘ
streaming audio from smartphone to wireless headphones ⓘ |
| usedFor |
wireless audio streaming
ⓘ
wireless music playback ⓘ |
| uses |
A2DP sink role on receiving device
ⓘ
A2DP source role on transmitting device ⓘ |
| usesStandard | Bluetooth ⓘ |
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: Bluetooth A2DP Description of subject: Bluetooth A2DP is a wireless audio streaming profile that enables high-quality stereo sound transmission over Bluetooth connections from a source device to headphones, speakers, or other audio receivers.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Bluetooth A2DP
linked to: Bluetooth A2DP
linked to: Bluetooth A2DP
linked to: Bluetooth A2DP
linked to: Bluetooth A2DP
linked to: Bluetooth A2DP