Overview The Digitorc 4 is a professional-quality AES3 (formerly AES/EBU) audio input-output card designed and manufactured in Australia by Innes Corporation, providing full sound card functionality under Windows XP, Server 2003, Vista, Server 2008, Windows 7, Server 2008-R2, Windows 8 and Server 2012.
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Notes Regarding Windows Version Differences Windows XP and Server 2003 are the only current versions of Windows that provide complete support for WDM audio drivers. The following limitations apply when using the Digitorc 4 with other versions of Windows. • Windows Vista / 7 / 8 virtualise the mixer API to each application, providing only a mute and volume control on each input and output.
At the completion of the installation process, a loudspeaker symbol should appear in the toolbar at the bottom of the screen. Your Digitorc 4 is now fully operational. On Windows XP and Server 2003, if the speaker does not appear, it may be necessary to reboot your PC. This typically happens if there has been no sound card previously installed in the PC.
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Configuration There are two configuration settings for the Digitorc 4, these being Output Sampling Rate and Synchronisation Source. The output sampling rate can be set to 32kHz, 44.1kHz, 48kHz, 88.2kHz or 96kHz. Note that this sets only the physical output sampling rate – the card can play audio files recorded at any sampling rate as rate-conversion is automatically inserted by Windows when required.
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The Mono Mix endpoints should be used for communications applications such as Skype which open a mono capture stream. Sonifex Pty Ltd T/A Innes Corporation 12/6 Leighton Pl Hornsby, NSW 2077, Australia...
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Windows itself operates the card’s selector to route the chosen source to the input stream. In the case of the Digitorc 4, each of the physical line inputs is represented by an endpoint device, and as the hardware has separate AES3 transceivers for each one, they can be used simultaneously.
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With its WDM driver, the Digitorc 4 can play MIDI files and audio CD's, in addition to Wave files. The kernel mixer allows multiple sounds from the same or different applications to be played simultaneously, while the kernel splitter automatically splits an input source to multiple applications.
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Some audio editing applications, such as Syntrillium’s Cooledit 2000 and Adobe Audition, support extended bit depth audio and work well with the Digitorc 4 using 24 or 32 bit recording. Sonifex Pty Ltd T/A Innes Corporation 12/6 Leighton Pl...
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