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Professors Embrace Lecture Capture

Over 70% on Oregon State campus want to use the tech-

nology, survey says.

Lecture capture is increasingly in demand on college

campuses.

For example, roughly 70% of faculty members who responded

to a recent survey at Oregon State University (OSU) said they

would like to use the technology to record their classes and

offer the recordings for review by students.

Don DeMello, Coordinator of Classroom Technologies, whose

department conducted the survey in May, says he believes

acceptance is so high because the university has made it very

clear that its instructors own their lecture material and make

the final decisions on how the recordings are used.

OSU takes a conservative approach to other aspects of the

program as well. “We don’t envision capture as a lecture

replacement or archive, nor do we intend to replace the

classroom experience,” DeMello explains. “We see it as a

way for students to review materials and, when necessary,

catch up when they are forced to miss a class.” Capture can

be especially helpful to student athletes, who often must

miss Thursday and Friday classes when they travel to away

games.

Oregon State University

Corvallis, Oregon

Education

855.263.8754 | crestron.com

inside story

executive summary

Education

Oregon State University

units Crestron produced, installing them in pilot classrooms in

January and March of 2012. He and the OSU faculty liked what

they saw, and by May he had ordered 19 more systems.

“The Crestron Capture system gives us a much better quality

image at a price that’s lower than our in-house system,”

DeMello explains. “If we’re recording images from PowerPoint

or from a document camera, the difference is night and

day–the images are so much sharper and more readable.”

DeMello says, too that the new system was easy to implement

and very easy for the instructors to use (see sidebar).

Automating lecture capture

According to Raul Burriel, an Information Technology

Consultant at OSU, the goal of the implementation is a capture

system that’s almost 100% automated.

By the end of the summer, instructors will go to a web page

that’s tied into Crestron RoomView, where they can schedule

the classes they want recorded. On the day and times specified,

the system will begin and end recording automatically, without

any additional input needed from the instructor. The touch

screen installed in each classroom shows a visual confirmation

that the system is recording, but the instructor does not have

to change his or her routine in any way.

After class, the Crestron system automatically uploads the file

to the Kaltura server and triggers a script, written by OSU’s

Paul Lieberman, that identifies the recording and assigns the

content to the corresponding instructor. “The Capture unit

records the date, time and classroom location in the file name,

and the script compares the file name to a database we build

It’s also true that OSU faculty have had more than four years

to learn about the technology, since a capturing device has

been on the university’s main campus in Corvallis, Oregon

since 2008. Earlier this year, university administrators made

the decision to make capture a campus standard. Moving

forward, nearly every new or remodeled classroom at OSU will

include a Crestron Capture HD™ High-Definition Capture

Recorder.

Capture systems at OSU

The Media Services group at OSU began experimenting with

lecture capture long before the Crestron system was available.

During the summer of 2008 they equipped two classrooms

with the leading “rich media” systems offered at that time.

“We realized, however, that we could provide a better captured

image for far less money using a system of our own design.”

Media Service began equipping classrooms with a standard-

definition system based on a TV One scaler, a Canopus analog

to digital capture device and Apple Podcast Producer, which

uploaded the videos to OSU’s Blackboard™ server.

In 2010, they began using Kaltura MediaSpace, which pro-

vides enhanced video management and stores all captured

material in the cloud on a Kaltura server. By the fall of 2011

they had equipped 18 classrooms in this way.

In addition, OSU installed a Cisco Content Server, which can

record class material from several distance learning classrooms,

and they tied this system into the Kaltura server.

Yet when Crestron announced their Capture HD product last

year, DeMello was very interested. He ordered two of the first

855.263.8754 | crestron.com

inside story

executive summary

Education

Oregon State University

audio/visual materials they show, whether from PowerPoint,

a Blu-Ray Disc®player, a document camera or perhaps a

specialized computer or video source set up for a specific

class or department. Yet with the addition of a pan-tilt-zoom

camera the system is capable of capturing the instructor’s

image as well, either full screen or as a picture-in-picture or

picture-by-picture insert.

The Crestron Capture system is also able to give instructors

the ability to start and stop recording when they choose from

the Crestron control panel installed in each classroom. Most

professors at OSU, however, schedule an entire semester’s

worth of recording at once.

According to DeMello, the switch to Capture HD has dramatically

improved the quality of the video recorded, capturing a 1080p,

24 frames-per-second signal, yet the new system installs

faster with fewer components and less cabling, lower power

consumption and a lower cost. “Our in-house system required

a Soundweb DSP, an amplifier, and a Crestron AV2 control

system in addition to the scaler and analog to digital converter.

We can replace all of that with just two units: the Capture HD

and a Crestron DMPS-300-C,” which combines a control

processor with a matrix switcher and sound system.

from our course catalog,” Burriel explains. “It’s very simple.

Essentially we know that if the video was recorded at this time

and in this place, it must be this class and it must belong to

this professor.”

The professor then decides what he or she wants to do with

the link. Most post it to the Blackboard page for that class only,

but they can delete it, archive it, or post it publically on OSU’s

MediaSpace website, which acts as a kind of YouTube for

university videos. DeMello notes that some have experimented

with more creative uses. For example, Media Services has set

up a way for OSU’s Veterinary Medicine department to

download the videos, which they are editing in Final Cut Pro for

future use.

“ The Crestron system is perfect for us, really

a game changer in terms of quality, simplicity

and affordability.”

Raul Burriel, Information Technology Consultant at OSU

The Crestron Capture system actually has more capabilities

than OSU needs. Because they intend the systems mainly for

lecture review, they capture only the instructor’s voice and the

855.263.8754 | crestron.com

Especificaciones del producto

Marca:	Crestron
Categoría:	No categorizado
Modelo:	SW-FUSION-RV
Colocación del dispositivo:	Vrijstaand
Tipo de operación:	Touch
Color del producto:	Roestvrijstaal
Bisagras de puerta:	Rechts
Pantalla incorporada:	Ja
Peso.:	74200 g
Ancho:	600 mm
Profundidad:	650 mm
Altura:	2010 mm
Impuesto neto:	90 W
Longitud del cable:	2.4 m
Nivel de ruido:	38 dB
Clase-de-eficiencia-energética:	C
Consumo-anual-de-energía:	149 kWu
Peso del embalaje:	80300 g
Ancho del embalaje:	670 mm
Empaquetadura en profundidad:	770 mm
Altura del embalaje:	2100 mm
Capacidad bruta del congelador:	95 l
Capacidad neta del congelador:	94 l
Capacidad de congelación:	14 kg/24u
Dirección de apertura de puerta intercambiable.:	Ja
Adecuado para ajuste de panel:	Nee
Capacidad neta del frigorífico:	249 l
Frigorífico de capacidad bruta:	252 l
Iluminación interior del frigorífico:	Ja
tipo-de-lámpara:	LED
Sistema multivía aérea (refrigerador):	Nee
Número de estantes en el refrigerador.:	5
Número-de-cajones-para-verduras:	2
Posición del congelador:	Onder
Sin escarcha (congelador):	Nee
Tiempo de retención en caso de corte de energía:	35 uur
Función de congelación rápida:	Nee
Número de estantes del congelador:	3
numero de estrellas:	4*
Función de vacaciones:	Ja
Capacidad neta total:	343 l
Alarma de temperatura:	Ja
rejilla para huevos:	Ja
Botellero:	Ja
Descongelación automática (frigorífico):	Ja
Capacidad bruta total:	347 l
Material del estante:	Gehard glas
Función súper genial:	Nee
Bolsillos en las puertas del refrigerador:	4
Al área del compartimento:	Ja
Alarma de puerta abierta:	Ja
Actual:	10 A
Número de compresores:	1
Número de placas extraíbles:	2
Temperatura mínima de funcionamiento:	10 °C
Temperatura máxima (en funcionamiento):	43 °C
Clase-climática:	SN-T
Clase de emisión de ruido:	C
Pies ajustables:	Ja
Grifo de agua para descongelar:	Ja
Ancho con la puerta abierta:	600 mm
Profundidad cuando la puerta está abierta.:	1200 mm
Certificación:	CE, VDE
Mensaje de error:	Ja
Número de niveles para huevos.:	3
Capacidad neta del compartimento de la zona fresca:	22 l
voltaje-de-entrada-de-CA:	220 - 240 V
Frecuencia-de-entrada-de-CA:	50 Hz
Escala de eficiencia energética:	A tot G