WAV (Waveform Audio File Format)
WAV e um formato de audio sem compressao que armazena dados de onda de audio em qualidade total. E o formato padrao para edicao de audio profissional, producao musical e trabalho de audio de alta fidelidade.
Tipo MIME
audio/wav
Tipo
Binário
Compressão
Sem perdas
Vantagens
- + Bit-perfect uncompressed audio with zero quality loss
- + Universal support in all audio editors and DAWs
- + No decoding overhead — instant playback
- + Standard in professional audio production
Desvantagens
- − Very large files — about 10 MB per minute at CD quality
- − No built-in metadata tags (no standard title/artist/album fields)
- − 4 GB file size limit in standard RIFF format
Quando usar .WAV
Use WAV para edicao de audio profissional, producao musical e qualquer cenario onde a qualidade de audio sem perda e necessaria. Converta para MP3 ou AAC para distribuicao.
Detalhes técnicos
O WAV utiliza o container RIFF com dados de audio PCM (nao comprimido). Suporta taxas de amostragem ate 192 kHz, profundidades de bits de 8 a 32 bits (inteiro ou float) e multiplos canais. O tamanho de ficheiro e limitado a 4 GB (formato classico) ou ilimitado (RF64).
Histórico
A Microsoft e a IBM desenvolveram o WAV em 1991 como parte da especificacao multimidia do Windows 3.1. Utiliza o formato de ficheiro RIFF (Resource Interchange File Format) e tornou-se o padrao para audio sem compressao no Windows.
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