Digigram ALP222e-MIC handleiding
Handleiding
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User Manual – ALP222e
4- GENERAL CHARACTERISTICS
ALP222e is a PCI EXPRESS
TM
x1 audio card. It can be inserted into and therefore operate in PCIe® x1,
x2, x4, x8 or x16 slots.
4.1 Main hardware characteristics
● 2 balanced analog inputs (can be used unbalanced) with software-adjustable analog gain
and a maximum input level of +24 dBu.
● 2 electronically balanced analog outputs, with a maximum output level of +24 dBu.
(Electronically balanced outputs can process either balanced or unbalanced lines without
loss of level).
● 1 stereo AES3 digital input, 32 kHz to 192 kHz, with high quality hardware sample rate
converter (SRC).
● 1 AES11 synchronisation input (up to 192 kHz)
● 1 AES3 digital stereo output (up to 192 kHz)
● 1 mini jack stereo headphone output, which replicates the analog outputs.
● 1 word clock input/output (up to 192 kHz)
● 2 GPI dry contacts and 2 GPO relays
● Inter-card synchronisation
4.2 Main software characteristics
● Low latency multi-card drivers
● Wasapi/DirectSound and ASIO application programming interfaces under Windows, and Alsa
and libgpio for Linux
● Simultaneous acquisition and playback in PCM (8, 16 and 24 bit), Float IEEE754
● On-board mixing of physical audio inputs and software "playback" devices to physical audio
outputs and software recording devices.
● "ALP-X Manager" application installed with the driver, to control the card settings:
- clock source
- frequency of the fallback internal clock
- input and output gains, RMS VU-meters with peak-meters
- routing of inputs to outputs
● API for implementing the management of the card settings in a software application.
4.3 Routing audio streams in the card
The ALP card incorporates an on-board mixer in an FPGA component. This is a mixer with 8 mono
inputs (4 stereo) and 8 mono outputs (4 stereo).
The mixer captures the 4 physical input channels of the card (2 analog channels and 2 AES3
channels) and the 4 channels of the playback devices.
The mixer restores 8 audio channels, respectively to the 4 physical outputs of the card (2 analog
channels and 2 AES3 channels) and the 4 recording device channels.
The mixer can therefore be configured to perform the mixing and the routing of the 8 input
channels to the 8 output channels (8 mix sums).
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Productinformatie
| Merk | Digigram |
| Model | ALP222e-MIC |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 9528 MB |
