User Manual

User's Guide HDSPe RayDAT © RME

Output

Using the cable adapter XLR/phono described above, devices with coaxial SPDIF interface can

be connected to the AES output of the RayDAT as well. Note that most consumer equipment

with phono SPDIF inputs will only accept signals having a Channel Status ‘Consumer’ format. In

such cases the above adapter cable will therefore not work.

Besides the audio data, digital signals in SPDIF or AES/EBU format contain a channel status

coding, which is being used for transmitting further information. The output signal coding of the

HDSPe RayDAT has been implemented according to AES3-1992 Amendment 4:

• 32 / 44.1 / 48 kHz, 64 / 88.2 / 96 kHz, 176.4 / 192 kHz depending on the current sample rate

• Audio use

• No Copyright, Copy permitted

• Format Professional

• Category General, Generation not indicated

• 2-Channel, No Emphasis

• Aux Bits Audio use, 24 Bit

• Origin: HDSP

22.3 SPDIF

Input

The SPDIF input (optical/coaxial) is configured in the Settings dialog, available by a click on the

hammer symbol in the Task Bar's system tray. The HDSP system accepts all commonly used

digital sources as well as SPDIF and AES/EBU.

To receive signals in AES/EBU format, an adapter cable is required. Pins 2 and 3 of a female

XLR plug are connected individually to the two pins of a phono plug. The cable shielding is only

connected to pin 1 of the XLR - not to the phono plug (see chapter 22.2).

Output

In SPDIF mode, identical signals are available at both the optical and the coaxial output. An

obvious use for this would be to connect two devices, i.e. using the HDSP as a splitter (distribu-

tion 1 on 2).

Apart from the audio data itself, digital signals in SPDIF or AES/EBU format have a header con-

taining channel status information. The HDSP system ignores the received header and creates

a totally new one for its output signal.

Note that in record or monitor modes, a set emphasis bit will disappear.

The RayDAT’s SPDIF channel status has been implemented according to IEC60958:

• 32 / 44.1 / 48 kHz, 64 / 88.2 / 96 kHz, 176.4 / 192 kHz depending on the current sample rate

• Audio use, Non-Audio

• No Copyright, Copy Permitted

• Format Consumer or Professional

• Category General, Generation not indicated

• 2-channel, No Emphasis

• Aux bits Audio Use

Professional AES/EBU equipment can be connected to the HDSPe RayDAT thanks to the ‘Pro-

fessional’ format option with doubled output voltage. The required cable is the same as the one

for the input (see above), but with a male XLR plug instead of a female one.