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Matroska

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Matroska
Estensione.mkv, .mka, .mks, .mk3d
Tipo MIMEaudio/x-matroska, video/x-matroska
SviluppatoreThe Matroska Project
LicenzaPubblico dominio
1ª pubblicazione6 dicembre 2002; 21 anni fa
Ultima versionev1.5.0[1] (12 marzo 2019; 5 anni fa)
TipoFormato contenitore
Estensione diMCF, EBML
Formato aperto?Sì
Sito webmatroska.org
Modifica dati su Wikidata · Manuale

Matroska, le cui estensioni sono .mkv (acronimo di MatrosKa Video), .mka (acronimo di MatrosKa Audio), .mks (acronimo di MatrosKa Subtitles), .mk3d (acronimo di MatrosKa 3D), è un progetto volto a sviluppare un formato contenitore simile a QuickTime di Apple, Mp4 di MPEG o l'Advanced Systems Format di Microsoft. Il suo nome deriva dalle bambole matrioska.[2]

Il progetto è stato annunciato il 6 dicembre 2002[3] come fork del progetto Multimedia Container Format in seguito a disaccordi con il creatore del progetto circa l'utilizzo dell'EBML (Extensible Binary Meta Language) invece di un altro formato binario.

I fondatori del progetto Matroska credono che l'uso dell'EBML porti numerosi vantaggi, tra i quali alcune facilitazioni in una futura estensione del formato.

Obiettivi[4]

Gli obiettivi del progetto sono diversi:

  • creare un formato contenitore multimediale moderno, flessibile, estensibile e multipiattaforma che permetta lo streaming attraverso Internet, una ricerca rapida all'interno del file e menu tipo DVD.
  • sviluppare una serie di strumenti per la creazione e la modifica di file Matroska, da rilasciarsi sotto licenza GNU General Public License
  • sviluppare librerie che possano essere utilizzate dagli sviluppatori per avere il supporto Matroska alle loro applicazioni, da rilasciarsi sotto licenza GNU General Public License
  • lavorare in concerto con produttori di hardware per incorporare il supporto Matroska in dispositivi multimediali
  • fornire supporto nativo a Matroska per diversi sistemi operativi, tra cui:

Formati multimediali supportati[6]

Formati video supportati

Supporto
MPEG-1 No
MPEG-2 Sì
MPEG-4
WMV
RealVideo
Theora
Adobe Flash
H.264
VP8
H.265
VP9

Formati audio supportati

Supporto
PCM Sì
MP3
MP2
AAC
WMA
RealAudio
Vorbis
AC3
DTS
FLAC
Opus
ATRAC No

Formati sottotitoli integrati supportati

Supporto
Immagini (VobSubs, PGS) Sì
Ogg Writ
USF
SRT
ASS/SSA
WebVTT

Note

  1. ^ (EN) Matroska-Org/libmatroska, su GitHub. URL consultato il 5 aprile 2019.
  2. ^ (EN) Matroska FAQ | Matroska, su www.matroska.org. URL consultato il 10 giugno 2018 (archiviato dall'url originale l'8 aprile 2019).
  3. ^ (EN) Older Archives | Matroska, su www.matroska.org. URL consultato il 10 giugno 2018 (archiviato dall'url originale il 3 agosto 2017).
  4. ^ (EN) What is Matroska? | Matroska, su www.matroska.org. URL consultato il 10 giugno 2018 (archiviato dall'url originale il 12 giugno 2018).
  5. ^ Windows Playback | Matroska, su www.matroska.org. URL consultato il 20 agosto 2016 (archiviato dall'url originale il 28 agosto 2016).
  6. ^ Codec Specs | Matroska, su www.matroska.org. URL consultato il 20 agosto 2016.

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