Dolby Digital Plus

E328119

audio codec multichannel audio format

Dolby Digital Plus is an advanced multichannel audio codec developed by Dolby Laboratories that offers higher efficiency, improved sound quality, and greater flexibility for modern broadcast, streaming, and disc-based media.

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All labels observed (2)

Label	Occurrences
Dolby Digital Plus canonical	7
Dolby Digital Plus (E-AC-3)	2

How this entity was disambiguated

This entity first appeared as the object of triple T3078601 — 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: Dolby Digital Plus
Context triple: [Dolby Digital, successor, Dolby Digital Plus]

A. Dolby Audio
Dolby Audio is a suite of advanced audio processing technologies designed to deliver clearer, more immersive, and dynamically optimized sound across consumer devices and media.
B. Dolby Digital
Dolby Digital is a multichannel digital audio encoding system widely used in cinema, home theater, and broadcast to deliver surround sound.
C. Dolby TrueHD
Dolby TrueHD is a lossless multichannel audio codec designed for high-definition home entertainment formats like Blu-ray to deliver studio-quality surround sound.
D. Dolby AC-4
Dolby AC-4 is an advanced audio codec designed for next-generation broadcast and streaming, offering high-efficiency compression, immersive and personalized sound, and support for modern formats like UHD and HDR video services.
E. Dolby Digital 5.1
Dolby Digital 5.1 is a surround sound audio format that delivers multichannel cinematic audio through five full-bandwidth speakers and one low-frequency effects channel.
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: Dolby Digital Plus
Target entity description: Dolby Digital Plus is an advanced multichannel audio codec developed by Dolby Laboratories that offers higher efficiency, improved sound quality, and greater flexibility for modern broadcast, streaming, and disc-based media.

A. Dolby Audio
Dolby Audio is a suite of advanced audio processing technologies designed to deliver clearer, more immersive, and dynamically optimized sound across consumer devices and media.
B. Dolby Digital
Dolby Digital is a multichannel digital audio encoding system widely used in cinema, home theater, and broadcast to deliver surround sound.
C. Dolby TrueHD
Dolby TrueHD is a lossless multichannel audio codec designed for high-definition home entertainment formats like Blu-ray to deliver studio-quality surround sound.
D. Dolby AC-4
Dolby AC-4 is an advanced audio codec designed for next-generation broadcast and streaming, offering high-efficiency compression, immersive and personalized sound, and support for modern formats like UHD and HDR video services.
E. Dolby Digital 5.1
Dolby Digital 5.1 is a surround sound audio format that delivers multichannel cinematic audio through five full-bandwidth speakers and one low-frequency effects channel.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	audio codec ⓘ multichannel audio format ⓘ
alsoKnownAs	Dolby Digital Plus ⓘ surface form: Dolby Digital Plus (E-AC-3) Enhanced AC-3 ⓘ
audioChannels	up to 7.1 channels ⓘ
basedOn	Dolby Digital ⓘ
canCarry	Dolby Atmos metadata ⓘ
compatibleWith	HDMI audio transport ⓘ optical S/PDIF via transcoding to Dolby Digital ⓘ
developer	Dolby Laboratories ⓘ
feature	backward compatibility with Dolby Digital in some workflows ⓘ error resilience for broadcast environments ⓘ flexible bit-rate options ⓘ higher coding efficiency than Dolby Digital ⓘ improved sound quality compared to Dolby Digital ⓘ support for advanced metadata ⓘ support for descriptive audio services ⓘ support for secondary audio streams ⓘ
optimizedFor	broadcast applications ⓘ disc-based media ⓘ internet streaming ⓘ
partOf	Dolby Audio ⓘ surface form: Dolby audio technologies
standardizedIn	ATSC A/52 ⓘ surface form: ATSC A/52B DVB broadcasting standards ⓘ surface form: DVB audio specifications ETSI TS 102 366 ⓘ
successorOf	Dolby Digital ⓘ
supports	5.1-channel audio ⓘ 7.1-channel audio ⓘ dialog normalization metadata ⓘ downmix metadata ⓘ dynamic range control metadata ⓘ multichannel audio ⓘ multiple program configurations ⓘ streaming-optimized bitrates ⓘ surround sound ⓘ
usedBy	Amazon Prime Video ⓘ Disney+ (for many devices) ⓘ Netflix ⓘ
usedIn	AV receivers ⓘ Blu-ray Disc format ⓘ surface form: Blu-ray Disc HD DVD ⓘ IPTV services ⓘ broadcast television ⓘ game consoles ⓘ mobile video streaming ⓘ over-the-top (OTT) video services ⓘ set-top boxes ⓘ smart TVs ⓘ streaming media services ⓘ

How these facts were elicited

Referenced by (9)

Full triples — surface form annotated when it differs from this entity's canonical label.

Dolby Digital → successor → Dolby Digital Plus ⓘ

DVB-T2 → supportsAudioCodec → Dolby Digital Plus ⓘ

Dolby Atmos → compatibleWith → Dolby Digital Plus ⓘ

Lost in Space (2018 TV series) → audioFormat → Dolby Digital Plus ⓘ

DD 5.1 → successor → Dolby Digital Plus ⓘ

Dolby Audio → relatedTo → Dolby Digital Plus ⓘ

Dolby AC-4 → follows → Dolby Digital Plus ⓘ

AC-3 → successor → Dolby Digital Plus ⓘ

this entity surface form: Dolby Digital Plus (E-AC-3)

Dolby Digital Plus → alsoKnownAs → Dolby Digital Plus ⓘ