Classe Audio Sigma SSP Owner's Manual page 55

The SSP display will show the status of the audio stream, so when using AirPlay,
it will show the sampling frequency of the signal as well as its format (ALAC
is the format AirPlay streams use). You may adjust the volume in iTunes or if
using Apple's free Remote App, change volume and choose and manage music
files from your iOS device (iPad, iPhone, iPod touch). Volume changes happen
within the Sigma SSP, which uses a high-quality analog volume control to avoid
the loss of resolution associated with digital domain attenuation. If you press
pause or stop, the display will indicate AirPlay - Stopped.
Using an iOS device for AirPlay works the same way. Choose the Music App
icon, tap the AirPlay icon, select the Sigma SSP from the list of AirPlay speakers,
choose your music and play. Volume is likewise adjusted in the SSP by using the
volume control on the device.
DLNA
If you have chosen a Media Player other than iTunes and/or wish to stream
higher bit-rate files (up to 192 kHz), the Network connection will use the
DLNA protocol. As with AirPlay, simply setup a source button to use the
Network connection and enable Wake on LAN so DLNA streams will bring
the SSP out of Standby (see Network Setup). You can stream audio over this
connection whether DLNA or AirPlay, so you only need to enable a single
Network connection to have access to streaming audio from multiple sources.
DLNA is structured around three basic elements: a Media Player, a Renderer and
a File Server. The Media Player is your control interface. It is a program or App
that could reside on a smartphone, tablet or computer and its job is to allow you
to access your music files and control their playback. Examples of popular Media
Players include JRiver, Twonky and Media Monkey. A File Server is where your
audio data files are stored. Your Mac or PC could be the file server or it could
be an outboard storage device such as a NAS (Network Attached Storage) drive.
When called to be played, the data transit the Network from the file server,
through the Ethernet cable into the Sigma SSP, which is a Renderer. It decodes
the file, performs any DSP functions you require and converts the audio from
digital data to an analog waveform. It then sets the playback volume and outputs
the signal to your amplifier(s).
The setup of a system for using DLNA can become more complex than an
iTunes/AirPlay system and because of the nearly endless combinations of
hardware and software that may be involved, it is beyond the scope of this
manual. You will need to supply and configure the software for your chosen
DLNA Media Player and DLNA server(s). If you need assistance, your Classé
dealer should be able to help.
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