Behringer SRC2496 Manual - Page 8

8 ULTRAMATCH PRO SRC2496 User Manual Digital Audio Workstation DAT-Recorder Digital input/Sound card Digital outputs ULTRAMATCH PRO Microphone BEHRINGER XM1800S Analog inputs/L+R Subgroup outputs Tape Line outputs Analog inputs ULTRAMATCH PRO Digital output Digital input Channel input Digital Audio Workstation BEHRINGER EURORACK UB2222FX-PRO Fig. 3.1: Example: A/D conversion of a microphone signal Fig. 3.1 shows a typical setup for recording a signal source on a digital recording device (here: hard-disk recording system). If your HD recording system is equipped with a digital interface, you can use the ULTRAMATCH PRO to "circumvent" the A/D converter on the sound card and thus avoid interference signals generated by the computer. By taking the signals from the subgroup outputs on your mixing console, you can record several signal sources at the same time by assigning (routing) them to the corresponding subgroups. Fig. 3.2: Example: A/D conversion of tape recordings ◊ Since subgroup outputs on mixing consoles, as well as tape and line outputs on hi-fi amplifiers, usually provide unbalanced signals only, please note the corresponding instructions on how to connect the SRC2496 (chapter 5 "Installation"). 3.1.2 Converting digital to analog Using the ULTRAMATCH PRO as a digital-to-analog converter is interesting for all applications in which signals must be made audible again after digital processing, e.g. to "circumvent" D/A converters of inferior quality in equipment with a digital output (sound card). In practice, the ingenious design of the SRC2496 proves to be versatile to the point that you can also solve problems which are not directly related to a normal studio environment. For example, digital hi-fi recording equipment such as MD recorders (Mini Disc) have been met with widespread popularity in home systems. Unfortunately, however, such equipment cannot record with 32 kHz using their digital input. This can be useful if your sound card is not shielded from electromagnetic interference generated by power supplies or graphics cards for example. You can feed the audio signal from the digital interface of the sound card to one of the digital inputs on the SRC2496 and then take it from the analog outputs. The type of cable required for connecting the sound card to the ULTRAMATCH PRO depends on the output connector used. Thus, it is impossible to record digital broadcasting programs directly to digital; ◊ Detailed information on wiring setups can be found in D/A and A/D conversion steps are inevitable. chapter 5 "Installation". Not so with the ULTRAMATCH PRO, as it can convert the broadcast signal from 32 kHz to any other common sampling rate and also remove any form of copy protect information. A second wiring setup shows how to copy tape recordings for restoring and subsequent archiving purposes on digital media. 3.1.3 Parallel A/D and D/A conversion The SRC2496 offers you the possibility to simultaneously convert analog signals into digital, and vice versa. In A/D and D/A converter mode, you can only convert from digital to analog if the CLOCK switch in the output section has been set to DIG IN. In this case, the sampling rate will be determined by the digital signal applied. Otherwise, the ULTRAMATCH PRO can only be operated as an A/D converter, and the D/A converter function will be muted. In SRC mode the D/A converter is always active.