Archive
Archive for the ‘audiovisual’ Category
Canon ZR-200 LLC Camera Basics
2009/12/01
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The camera can store only about 30 [check, might be 100 or more, recording size is 5MB per 1 min video] minutes on its SD card
Currently we are using my personal SD card, bring your own to extend the recording time (by swapping the cards. You can move video clips onto classroom computers’ network shares if the classroom computer is in MS-Active Directory (which most should be) and if the classroom computer has an SD card reader (which most will NOT have).
Video–clips (internal access only) showing how to operate the camera are here:
camera-canon-zr200-Inserting&Removing_Memory_Card_Starting&Stopping&Filming.avi
camera-canon-zr200-Inserting_Memory_Card_into_Card_Reader_on_Assistant-Computer.AVI
camera-canon-zr200-moving_video_from_memory_card_to_H-Drive.avi
For base documentation, see these graphics:
You can change the audio modes:
Optimum video mode with card is 320*240.
All in all: Quick and dirty recording and archiving for basic assessments…
Interpreting Suite: How to avoid audio feedback
2009/08/17
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- symptom: loud squealing noise over the classroom speakers
- context: left lectern microphone is turned on; Creston / main room /
[Elmo room] camera is chose (e.g. to display the speaker on the projector; may also be chosen for background recording purposes only)
- resolution: Creston / room controls / speaker: up/own, on/off, to turn the classroom speaker volume down or off entirely
- explanation: the Elmo camera works with the sound from the left lectern microphone (not from the right or DIS microphone); if the Elmo camera is room source, its sound is displayed over the classroom speakers; from where it feeds back into the microphone; etc (infinite loop, feedback).
How to Digital Audio Record: Olympus Voice Recorder
2009/08/04
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- Layout:
- To prepare
- Turn on by pressing “OK” (14) button on front
- No external microphone needed, but do not cove built-in microphone (2)
- Troubleshooting: If the device will not turn on/function, check the battery (compartment (23) on rear, uses AAA)
- Make sure
- the “hold” switch (21) is on unlocked
- the “mode” switch (22) on the left is not set to “music” , but “voice”
- Turn on by pressing “OK” (14) button on front
- To record: press record button (4) on right
- To pause, press “record”(4)
- To end, press “stop” (5) on right
- Advanced:
- Voice Activation mode: TBA
- Troubleshooting: if the device does not record and says “music mode”, change
- To saving recordings
- On rear, press release (24) button
- Slide the recorder out of the battery compartment to reveal the usb connector (8)
- Insert the usb connector into a pc of the booths, wait until windows recognizes the device, then move the (wma) files and store them on your home (x:) drive or email them to yourself.
- Loan policy:
- to borrow a digital voice recorder, leave your student or staff card in the plastic pocket of the recorder
- Students need to ask before they can borrow one. Tutors need to collect them back by the end of the session.
- You must return the recorder at the end of the lesson. Digital voice recorders must not leave the interpreting suite premises (MGB-36).
Whisper interpreting with radio transmitter/receiver (“bidule” by williamssound.com)
2009/02/24
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We have:
- 3 transmitters (larger antenna), with headset (with microphone) or collar microphone:
- 10 receivers with regular 3.5 mm headphones (without microphones):
Usage:
- Speaker speaks
- Interpreter
- listens to speaker in room
- wearing one of the transmitters, whisper interprets into target language channel 1,2or 3
- delegates
- wearing receiver and headphones, listens to one of the interpreter channels
Troubleshooting:
- If you cannot send/receive audio at all, check
-
Channel selector on top of unit: make sure you are on the right channel
-
Power indicator light is on? If not , adjust batteries in compartment at rear of unit
- If you cannot send/receive audio well, check
-
Transmitter:
- microphone adjustment wheel under rear panel door
- position yourself and the microphone so that there is no ambient noise going into your (sensitive) microphone, especially not from the speaker
-
Receiver: Volume wheel on top of unit
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