RME Audio Multiface Guide de l'utilisateur télécharger pdf (Page 11)

User’s Guide HDSP System Multiface © RME

8.2 Playback

The HDSP system can play back audio data only in supported formats (sample rate, bit

resolution). Otherwise an error message appears (for example at 22 kHz and 8 bit).

In the audio application being used, HDSP must be selected as output device. This can often

be found in the Options, Preferences or Settings menus under Playback Device, Audio Devices,

Audio etc. We recommend using 24-bit resolution for playback, to make full use of the HDSP’s

potential.

We strongly recommend switching all system sounds off (via >Control Panel /Sounds<). Also

HDSP should not be the Preferred Device for playback, as this could cause loss of

synchronization and unwanted noises. If you feel you cannot do without system sounds, you

should consider buying a cheap Blaster clone and select this as Preferred Device in >Control

Panel /Multimedia /Audio<.

The RME Driver CD includes step by step instructions for configuring many popular audio

applications, found in the directory \rmeaudio.web\english\techinfo\conf.

The screenshot to the

right shows a typical

configuration dialog as

displayed by a (stereo)

wave editor. Audio

data is sent to either

an analog or digital

port, depending on

which has been

selected as playback

device.

Increasing the number

and/or size of audio

buffers may prevent

the audio signal from

breaking up, but also

increases latency i.e.

output is delayed. For

synchronized playback

of audio and MIDI (or similar), be sure to activate the checkbox ‘Get position from audio driver’.

The HDSP system’s ADAT optical interface allows sample rates of up to 96 kHz using a

standard ADAT recorder. Single-channel data at this frequency requires two ADAT channels,

achieved using the ‘Sample Split’ technique. This reduces the number of available ADAT

channels from 8 to 4. Under Windows MME, channels are routed to ADAT devices in double-

speed mode as follows:

• Only stereo pairs (1+2) and (3+4) of the ADAT port are available

• Channel 1 is routed to channels 1 and 2, channel 2 is routed to 3 and 4 etc.

Please refer to the diagram ‘ADAT Track Routing, MME 96 kHz’, section 25. Routing for record

and playback is identical.

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RME Audio Multiface Guide de l'utilisateur Page 11

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