Taller impartido por Chema Casanova, membro da coordinadora de Tecnoloxía de CUAC FM, na CAPTCHA Conference “Living Archives” organizada pola emisora comunitaria alemá Radio Corax.
CUAC FM, a radio comunitaria da Coruña fundada en 1996, fai streaming de audio a través de Internet desde 2006 para aumentar a cobertura pública para lugares onde a FM non pode alcanzar. CUAC FM utiliza Icecast proxecto de Software Libre para publicar os nosos fluxos de audio. En CUAC FM, en 2014 temos implantado ferramenta darkice para xestionar a captura do audio do mesturador estación de radio co servidor de streaming Icecast
Isto permitenos recodificar en moitos códecs diferentes e arquivos de audio (MP3, OGG e AAC) en diferentes tipos de bits con diferentes fluxos para clientes mobles e web CUAC FM. Darkice presenta opcións potentes que permiten lanzar en tempo real un arquivo de audio que foi procesado e cunha simple integración de tarefas programadas no sistema operativo GNU / Linux.
Agora podemos manter unha estrutura simple no ficheiro de 24 horas / 365 días da radiodifusión para efectos legais. Tamén serve como sistema de backup para recuperar fallos do noso sistema de gravación Broadcasting Live. Como complemento, temos desenvolvido scripts simple que xestionan o esquema de nomeamento dos concertos arquivar nunha organización mensual e actualiza a información dos concertos nos RDS e servizos internet streaming.
O uso de Network Time Protocol tamén axudou na sincronización da división dos arquivos evitando concertos gravados sendo cortado no inicio. A conversa vai amosar as posibilidades e como pode configurar-lo na súa radio comunitaria nun sistema GNU / Linux está dispoñible con ferramentas Open Source.
English version:
Workshop: “How to setup your internet streaming to record and archive your audio streams”
Jose M. Casanova, CUAC FM, A Coruña.
CUAC FM, the Community Radio of A Coruña founded in 1996, has been streaming audio through Internet since 2006 to increase audience coverage to places where the FM can not reach. CUAC FM uses Icecast Free Software project to publish our audio streams. At CUAC FM, in 2014 we have deployed darkice tool to manage the capture of the audio from the radio station mixer to the Icecast streaming server
It has allow us to re-encode it in many different codecs and audio containers (MP3, OGG and AAC) in different bitrates having different streams for mobile clients and CUAC FM website. Darkice features powerful options that allow you to dump in realtime to a file the audio that has been processed and with a simple integration of programmed tasks in the GNU/Linux operative system.
Now we can maintain a simple structure for the 24hours/365days archive of broadcasting for legal purposes. It also serves as backup system to recover failures from our Live Broadcasting recording system. As complement we have developed simple scripts that manage the naming scheme of the shows archive in a monthly organization and updates the information of the shows in the RDS and internet streaming services.
The use of Network Time Protocol has also helped in the synchronization of the split of the archives avoiding shows recorded being cut at the beginning. The talk will try to show the possibilities and how you can setup it in your community radio in a GNU/Linux system supported with Open Source tools.