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6-6
CONTROL API
Microsoft Windows Mixer Control API
the streamed commercial on the secondary playout system and executes
. When the streamed commercial ends, the secondary playout sys-
audio_insert.bat
tem executes
audio_norm.bat
In a related scenario, the digital input of OPTIMOD-PC can be used for digital stu-
dios. The .txt script file would be edited to switch the digital input. Because
OPTIMOD-PC has four inputs, one can imagine advanced scenarios where the auto-
mation switches up to four audio sources.
The file "audio_norm.bat" contains:
plink -telnet -P 11101 127.0.0.1 < audio_norm.txt
The file "audio_norm.txt" contains:
111111111 APIM Unmute
111111111 WPIM Mute
disconnect
The file "audio_insert.bat" contains:
plink -telnet 127.0.0.1 < audio_insert.txt
The file "audio_insert.txt" contains:
111111111 WPIM Unmute
111111111 APIM Mute
disconnect
The Optimod-PC driver appears to Windows as a standard Windows DirectSound
Device. It appears as two devices, Input/Recording and Output/Playback. The Opti-
mod-PC serial number is appended to the device names between parentheses, espe-
cially useful in systems with multiple cards.
Windows Driver Function
Sound Playback
Sound Recording
The Optimod-PC driver supports standard Microsoft Windows mixer controls under
Windows 2000 and XP only. This allows third-party software applications to control
the I/O of the Optimod-PC DSP Mixer directly using the Windows Mixer API. It also
presents a standard Windows Mixer Peak Meter Control that allows applications to
to restore the main program feed.
Windows Audio Device Name
Orban Optimod 1101 (SERIAL)
Orban Optimod 1101 (SERIAL)
Table 6-3: Windows Driver Enumeration
ORBAN MODEL 1101
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