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*sc2mpd* implements a gateway for playing a Linn Songcast audio stream on
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*sc2mpd* implements a gateway for playing a Linn Songcast audio stream on
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Linux.
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Linux.
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It can work in two modes, either by forwarding the stream to MPD (using
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It can work in two modes, either by forwarding the stream to MPD (using
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HTTP), or using ALSA directly to play the stream. The latter method is
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HTTP), or using ALSA directly to play the stream. The latter method is
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preferred because it allows adjusting the sample rate to match the source.
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preferred because it allows lower latency and adjusting the sample rate
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to match the source, which both avoids glitches and allows good
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synchronization between multiple players.
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It is designed to work with
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*mpd2sc* is designed to be controlled from
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link:http://www.lesbonscomptes.com/upmpdcli[upmpdcli], with with it
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link:http://www.lesbonscomptes.com/upmpdcli[upmpdcli], with with it
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provides a Songcast _Receiver_ interface (hopefully) usable from any
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provides a Songcast _Receiver_ interface usable from any
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Songcast _Sender_ such as the Windows or Mac OS X Linn Songcast
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Songcast _Sender_ such as the Windows or Mac OS X Linn Songcast
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applications.
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applications.
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The end result is that you can broadcast audio captured on Windows or OS X
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to multiple *upmpdcli* instances, or to other Songcast Receivers, with excellent
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quality and synchronization. Of course the audio can be produced by any audio app,
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e.g. Spotify, Qobuz, Tidal, etc.
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== mpd2sc
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== mpd2sc
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*mpd2sc* implements a gateway for sending a Linux audio stream to Songcast.
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*mpd2sc* implements a gateway for sending a Linux audio stream to Songcast.
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This allows broadcasting sound from an *upmpdcli* instance
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to multiple Songcast Receivers, thus implementing synchronized multiroom audio.
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When this mode is enabled, the main *upmpdcli* instance also plays through
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a local Receiver, to ensure good synchronization with the other players.
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It can works in two slightly different modes, reading mpd output from a
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*mpd2sc* can work in two slightly different modes, either reading mpd output
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fido, or reading an ALSA input channel. In both cases, the interface is
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from a fifo (used for broadcasting the UPnP stream), or reading an ALSA input
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provided by *upmpdcli*.
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channel (used for broadcasting an analog source).
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The mode of operation is controlled by selecting an appropriate OpenHome Source in
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the *upmpdcli* OpenHome interface, which can be done from *upplay* or another
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OpenHome-capable Control Point such as Bubble DS.
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