AudioScience ASI6722

PCI-E 2 record, 4/6 play/2 out, Analog&Digital, MPEG Layer2/3/PCMBSW PART: ASI6722

The ASI6722 is a professional low profile PCI-Express sound card designed for use in radio broadcast automation. Providing up to 6 play streams that are mixed to 2 balanced stereo outputs and 4 record streams fed from 2 balanced stereo inputs, the ASI6722 feature AudioScience’s unique “anything to anywhere” mixing and routing. The ASI6722 provides both balanced analog and AES/EBU inputs and outputs. The maximum analog input and output level is +24dBu. A choice of uncompressed PCM, MPEG layer 2 and MP3 is available for both recording and playback. All compression is handled by an on-board floating point DSP, allowing the host computer to focus on other tasks. Functionality includes MRX multi-rate mixing technology which allows streams of different sample-rates and formats to be mixed digitally. TSX time scaling allows compression/expansion of any or all playback streams in real time with no change in pitch. For emerging surround sound applications, SSX2 mode allows multichannel streams of up to 8 channels to be played, recorded and mixed.

 

Main Features:

* 4 or 6 stereo/mono streams of playback into 2 stereo outputs

* 4 stereo or 8 mono streams of record from 2 stereo inputs

* PCM, MPEG-L2 and MP3 formats with sample rates to 96kHz

* MRX technology supports mixing of multiple formats and rates

* TSX time scaling by up to +/-20%

* SSX2 mode for multichannel record, playback and mixing

* Balanced stereo analog I/O with levels to +24dBu

* 24bit ADC and DAC with 110dB DNR and 0.0015% THD+N

* AES/EBU I/O with sample rate converters on all inputs

* Dedicated AES/EBU and Word clock Sync input

* Low profile short length PCI card format (6.6 inches/168mm)

* Up to 8 cards in one system

* Windows and Linux software drivers available

 

Specifications:

ANALOG INPUT/OUTPUT:

* Type: Balanced

* Connector: 68pin VHDCI

* Input Level: -10 to +24dBu in 0.5dBu steps

* Input Impedance: 10K ohms

* A/D converter: 24bit Over sampling

* Output Level: -10 to +24dBu in 0.5dBu steps

* D/A converter: 24bit Over sampling

* Output Impedance: 50ohms

* Load Impedance: 600ohms or greater

* Dynamic Range: >=110dB (record or play)

* THD+N: =<-96dB (0.0015%) (record or play)

* Frequency Response: 20Hz to 20kHz +0/-0.1dB and 20Hz to 40kHz +0/-3dB

* Inter-channel Phase: <0.1 degrees (record or play)

* Inter-channel Crosstalk: >110dB (record or play)

DIGITAL INPUT/OUTPUT:

* Type: AES/EBU (EIAJ CP-340 Type I / IEC-958 Professional)

* Input/Output Impedance: 110 ohms

* Connector: 68pin VHDCI

* Sample Rates: 32, 44.1, 48, 88.2, and 96kHz with sample rate converters on inputs

SAMPLE RATE CLOCK:

* Internal (Adapter): 32, 44.1, 48, 88.2, and 96kHz

* AES/EBU Sync In: 32, 44.1, 48, 88.2, and 96kHz on dedicated AES/EBU input

* Word In/Out: 32, 44.1, 48, 88.2, and 96kHz

SIGNAL PROCESSING:

* DSP: Texas Instruments TMS320DM8147 floating point DSP @ 600MHz

* Memory: 64MB

Audio Formats:

 * 8 bit unsigned PCM

 * 16 bit signed PCM

 * 32 bit floating point PCM

 * MPEG-1 Layer 2

 * MPEG-1 Layer 3 (MP3) (MPEG Layer-3 audio coding technology licensed from Fraunhofer IIS and THOMSON multimedia)

GPIO OPTO-ISOLATED INPUTS:

* Isolation: 2000VRMS

* Input Drive: 4mA typical with internal 5V supply and internal 1K current limiting resistor

GPIO RELAY OUTPUTS:

* Isolation: 1500VRMS between relay contacts and coil

* Contact Rating: Up to 220VDC/250VAC and 2A, 60W maximum

GENERAL:

* Bus: X1 PCI-Express.

* Dimensions: PCI half-height form factor – 5.4" x 2.75" x 0.6" (138mm x 70mm x 15mm)

* Weight: 8 oz (227g) max

* Operating Temperature: 0C to 70C

* Power Requirements: [email protected] +12V @ 300mA

CABLES:

* Analog: CBL4022 (XLR) or CBL4004 (Centronics)

* AES/EBU+GPIO: CBL4122 (XLR) or CBL4104 (Centronics)

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