dCS Verona User Manual | Manual for Software Issue 1.0x |
dCS Ltd | September 2004 |
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INDEXES AND SOFTWARE VERSION NUMBERS
Software History
This manual is for Verona software version 1.0x.
Definitions and Abbreviations
ADC | Analogue to Digital Converter, sometimes referred |
AES3 | to as an A/D Converter. |
A standard professional stereo digital audio format | |
| consisting of one serial PCM data line. It uses a |
| balanced cable to extend transmission distance |
DAC | and includes a comprehensive messaging system. |
Digital to Analogue Converter, sometimes referred | |
dB | to as a D/A Converter. |
A relative signal level or ratio in decibels. The | |
dB0 | context may indicate the reference level. |
Level in decibels, referred to a full scale sine wave | |
dBu | in a sampled system. So, 0dB0 is full scale. |
A signal level relative to 0.775V rms, making no | |
DDC | allowance for external loading. |
Digital to Digital Converter, sometimes referred to | |
DSD | as a D/D Converter. |
Direct Stream Digital - a single bit digital audio | |
kS/s | format, sampled at 2.822MS/s. |
Sample rate in | |
| replaces kHz, which is technically incorrect when |
| referring to sample rates. |
Sony Digital InterFace – a stereo digital audio | |
| format consisting of 2 serial PCM or DSD data |
SPDIF | lines. Usually used with a Word Clock. |
Sony / Philips Digital InterFace – a stereo digital | |
| audio format for consumer equipment, consisting |
| of one serial PCM data line. Similar to AES3, but |
Word Clock | unbalanced and with different messaging. |
A synchronisation signal consisting of a square- | |
| wave, the frequency of which is the sample rate. |
| Usually transmitted through |
| BNC connectors. |
Manual filename: Verona Manual v1.0x.doc | Page 40 | email: more@dcsltd.co.uk |
English version |
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