Acoustic Magic Voice Tracker III Anweisungen - Seite 2
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Combining Two or More Voice Trackers
Voice Trackers can be combined using 3.5mm Ys or
Mixers. Often 3.5mm extension cables can be used to
obtain physical separation of the Voice Trackers for
better room coverage. If the room has electrical noise,
converting the output from the Voice Tracker from
unbalanced to balanced might be required. An XLR
adapter can accomplish this.
Where to position the Voice Tracker III
The Voice Tracker III pickup with a 360 degree field
of view, but it is more sensitive from the front. The
best location for the VT III is on the front wall (using
the wall mounting bracket) or on the ceiling facing
toward the rear of the room. If placed on a table or
podium, it is best placed near the front of the room,
facing toward the rear.
Using the Voice Tracker for Speech Recognition
Since the Voice Tracker
types of microphones or audio input devices, you should
retrain your speech recognition system after connecting
the array and adjusting the soundcard gain level. This
will allow you to more effectively utilize the improved
sound quality produced by the Voice Tracker
will improve the overall performance of your speech
recognition software. Be sure to select mic in during the
"New User" setup. Personalized vocabulary can usually
be transferred to the retrained "User".
Adjusting Your Soundcard or USB adapter
On your Windows PC:
1. Right click on the speaker ICON and select "sounds"
2. Click on the "Recording" Tab.
3. Select the soundcard as the default device if
connected through the mic in jack or select the USB
adapter as the default device if you are using an
adapter.
4. Highlight the default device and select "properties"
5. Click on "levels" and adjust the mic level. If using the
soundcard, be sure to add 30dB or more of "boost"
6. Go to "listen" tab and make sure the "listen to this
device" box in not checked.
7. Go to the "Enhancements" Tab and make sure AGC
is not checked
8. Macs will have similar controls
Trouble shooting
:
No audio.
Check whether green lights track the talker. If so, the
problem is probably in the computer. Make sure the
computer is looking for recording input where the Voice
Tracker is connected (mic in or USB).
TM
operates differently from other
TM
If all the LEDs are blinking, repower the unit to reset the
SW.
Low Audio
Adjust the level in your soundcard or USB adapter.
Because of the Voice Tracker's good signal to noise
ratio, the gain can be turned up.
Underwater Artifact in Audio
The Voice Tracker III has background noise reduction. If
the unit is placed too close to a fan or A/C duct, the
algorithms can cause artifact that makes the audio
sound "underwater". Just move the Voice Tracker away
from the stationary noise source; the Voice Tracker's
long pickup range will still capture the talker throughout
the room.
FCC & CE Mark Compliance
This equipment has been tested and found to comply the
limits for a Class A digital device, pursuant to part 15 of
the FCC rules as well as the CE Mark rules. These limits
are designed to provide reasonable protection against
interference when the equipment is operated in a
commercial environment. This unit generates, uses and
III and
can radiate radio frequency energy, and if not installed
and used in accordance with the instruction manual, may
cause harmful interference with radio communications.
Changes or modifications not expressly approved by
Acoustic Magic could void the user's authority to operate
the equipment.
This digital apparatus does not exceed the Class A limits
for radio noise emissions from digital apparatus as set
out in the Radio Interference Regulations of the
Canadian Department of Communications.
If
you
Or call 978 440 9384.
have
further
questions,
ACOUSTIC MAGIC, INC.
35 Peakham Road
Sudbury, MA 01776
www.ACOUSTICMAGIC.com
e-mail
us
at