O Audacity é um ótimo programa para gravar e editar sons.
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Créditos das Aulas: Luiz França
Aula 01
https://www.youtube.com/watch?v=4Oap6D8x5JU
Aula 02
https://www.youtube.com/watch?v=08KsMJzNDdc&feature=related
Aula 03
https://www.youtube.com/watch?v=FMFl7gWurLE&feature=related
Aula 04
https://www.youtube.com/watch?v=-4MEJAYZj8w&feature=related
Aula 05
https://www.youtube.com/watch?v=d_u7E_p8Wzg&feature=related
Aula 06
https://www.youtube.com/watch?v=3jlg6p_0w4Q&feature=related
Aula 07
https://www.youtube.com/watch?v=Vz6T-Ah5PaI&feature=related