ST AUDIO DSP3000 M-Port (DSP24 + ADC&DAC3000)
the channels 5~8 are assigned to channels 1~4 of the GSIF driver. This assignment is needed,
because the DSP24 driver simulates a normal audiocard interface in the different driver models for
the applications. This prevents compatibility issues with certain audio applications.
It is not recommended to change this setup often, as the different applications will also save the
channel assignments internally. If you change the settings in the DeviceMixing section, it is wise
to double-check the soundcard setup inside the audio apps you are using after that. These options
have been invented because of the demand from the users to be able to use GigaSampler/Studio
simultanously to famous Audio-/MIDI-Sequencer software. We strongly recommend to use at
least v1.64 of GigaSampler or v2.2 of GigaStudio in order to use the multiclient support. The
performance may not be as good when using earlier versions of the software. GigaStudio 2.2 and
above will give you best performance. For Windows 2000/XP, you need at least version 2.5 of
GigaStudio. GigaSampler is not supported under Windows 2000/XP.
Etc. section
Under the Etc. tab, the option Multi Channel
Device Support allows you to playback audio
signals on multiple audio channels
simultaneously over one wave device (a
possibility that is used by DVD player
applications such as WinDVD or PowerDVD
for example). Unless you are using a software that plays multiple audio channels via one MME
audio device, you don't need to enable this option.
Internal Mixer
Clicking on Call Internal Mixer in the File menu inside External Links will launch the Windows
Mixer (SNDVOL32.EXE) to control the Internal Mixer section of the card.
The Internal Mixer on the DSP24 PCI-card represents basically an additional soundcard which
has been 'added' to the audiocard functions. You can use this section to play Windows sounds, or
the metronome from a sequencer. You can also use it for consumer applications such as games, or
for internet phone usage. Since the Internal Mixer even supports DirectSound, you can use it also
for some conventional software synthesizer applications. The Windows Mixer is used to control
these functions. These functions are represented by an AC-97 codec chip that is on your DSP24
PCI-card. AC-97 has been defined as standard by Intel for consumer audio applications on modern
PCs. The AC-97 codec ST Audio is using works with a 18bit ADC, a 18bit DAC and an analog
mixer. The output signal of the Internal Mixer is audible via the 1/8" line-out on the PCI-card.
Note: The Internal Mixer output signal is not audible via the outputs of the external box.
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