OGG (Audio Ogg Vorbis)
OGG e um formato de audio livre e de codigo aberto que utiliza o codec Vorbis para compressao com perda. Oferece melhor qualidade que MP3 em taxas de bits semelhantes e e suportado pela maioria dos navegadores e media players.
Tipo MIME
audio/ogg
Tipo
Binário
Compressão
Com perdas
Vantagens
- + Completely open source and royalty-free
- + Generally better quality than MP3 at the same bitrate
- + Strong support in games, Firefox, Chrome, and Android
Desvantagens
- − Less universal hardware support than MP3 (some car stereos, iPods)
- − Largely superseded by Opus for new projects
- − Smaller ecosystem of tools compared to MP3
Quando usar .OGG
Use OGG Vorbis para audio de jogos, streaming de codigo aberto e quando precisar de audio livre de royalties com boa qualidade. Para audio moderno livre, considere Opus.
Detalhes técnicos
O OGG Vorbis utiliza MDCT com comprimentos de janela flexiveis, codificacao residual e codebooks treinados. Suporta taxas de bits de 45 a 500 kbps (VBR), taxas de amostragem ate 192 kHz e ate 255 canais.
Histórico
Chris Montgomery e a Xiph.Org Foundation desenvolveram o Vorbis como uma alternativa livre de patentes ao MP3. O Vorbis 1.0 foi lancado em 2002 e tem sido amplamente adotado em jogos, streaming e aplicacoes de codigo aberto.
Converter de .OGG
Converter para .OGG
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Termos relacionados
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