bulenat написал(а):
подскажите, что делаю не так, поключил к FF400 через оптический выход, ресивер старенький обычный, но с оптическим входом. Получил шипение в колонках а не звук. Чем вызвано ?
Из мануала:
12.2 DVD-Playback (AC-3/DTS)
AC-3 / DTS
When using popular DVD software players like WinDVD and PowerDVD, their audio data
stream can be sent to any AC-3/DTS capable receiver using the Fireface's SPDIF output. For
this to work, the WDM SPDIF device of the Fireface 400 has to be selected in >Control Panel/
Sounds and Multimedia/ Audio<. Also check 'use preferred device only'.
The DVD software's audio properties now show the options 'SPDIF Out', 'Use SPDIF' or 'activate
SPDIF output'. When selecting these, the software will transfer the non-decoded digital
multichannel data stream to the Fireface.
This 'SPDIF' signal sounds like chopped noise at highest level. Therefore the Fireface 400
automatically sets the non-audio bit within the digital data stream, to prevent most SPDIF receivers
from accepting the signal, and to prevent any attached equipment from being damaged.
Multichannel
PowerDVD and WinDVD can also operate as software decoder, sending a DVD's multichannel
data stream directly to the analog outputs of the Fireface. All modes are supported, from 2 to 8
channels, at 16 bit resolution and up to 192 kHz sample rate. Up to 48 kHz, playback is also
possible via the ADAT outputs of the Fireface.
For this to work the option Interleaved has to be activated in the Settings dialog, a WDM output
device of the Fireface has to be selected in >Control Panel/ Sounds and Audio Devices/ Audio<,
and 'Use only default devices' has to be checked. Additionally the loudspeaker setup,
found under >Volume/ Speaker Settings/ Advanced< has to be changed from Stereo to 5.1
Surround.
PowerDVD's and WinDVD's audio properties now list several multichannel modes. If one of
these is selected, the software sends the decoded analog multichannel data to the Fireface.
The device selected as Default Sound playback device defines the first playback channel. Note
that this device can not be chosen freely. An interleaved playback with more than 2 channels
can only be done in blocks of eight channels:
- Fireface Analog (1+2): Up to 192 kHz, playback on the analog outputs 1-8
- Fireface ADAT (1+2): Up to 48 kHz, playback on channels 11-18
Thanks to TotalMix, the software's playback channels can be routed to any hardware outputs.
Therefore a playback at 96 kHz using the analog outputs can also be done via both ADAT
ports.
The typical channel assignment for surround playback is:
1 - Left
2 - Right
3 - Center
4 - LFE (Low Frequency Effects)
5 - SL (Surround Left)
6 - SR (Surround Right)
Note 1: Selecting the Fireface to be used as system playback device is against our recommendations
on system optimization, as professional cards are not specialized to play back system
sounds, and shouldn't be disturbed by system events. To prevent this, be sure to re-assign the
selection after usage, or to disable any system sounds (tab Sounds, scheme 'No audio').
Note 2: The DVD player will be synced backwards from the Fireface. This means when using
AutoSync and/or word clock, the playback speed and pitch follows the incoming clock signal.