Multimedia Adult English Learner
Corpus (MAELC) features
- Maintain persistent links between transcribed/coded
data and original audio-video recordings
- Support
use of multiple projects & coding frameworks
with the same recordings
- Enable
sophisticated indexing & searching of media-linked
transcription and coding data
- Allow
media to be selected and streamed across the web
for remote viewing of clips together with corresponding
transcript and activity code data
- Applicable
to non-classroom originated materials (e.g. in-home interviews and student writing samples)
External use of Learner Corpus
and Software
- The
multimedia corpus will be available to a small group
of ESOL scholars and practitioners for research
& professional development
- Access
will be granted through an application process
- Users
are required to abide by the Lab School confidentiality,
image permission and data sharing policies
- Software
will be distributed to view media and associated
data
ClassAction: System Components
- Media & database servers
& tools
- Coding and transcription
tool
- Media review & annotation
tool
ClassAction: Recording System
- Supports up to 6 simultaneous
cameras and 12 microphones
- Lab School classrooms
each recorded with 6 cameras: 4 fixed cameras
in corners and 2 remotely controlled cameras for close-ups
- Lab School each classroom
recorded with 5 microphones: ceiling mounted and
3 wireless microphones worn by students and teacher
- Works with a variety
of digital media formats
- Lab School recorded
in streamable Windows Media format
ClassAction Toolbox: Media Review and Annotation Tool
- Allows rapid browsing
through large, complex video archives
- Supports switching among
multiple cameras & microphones "on the
fly"
- Permits clips of interest
to be marked and annotated into topic playlists
ClassAction Query: A
search tool
- Searches database of transcribed
and coded data
- Searches can be based
on speaker, speaker characteristics, time points,
classroom codes, language items, etc.
- Returns a playlist of
media clips and associated data for use in Toolbox
or Viewer
ClassAction Viewer
- Displays a playlist of
media clips and associated data
- Playlists shown can be
manually using ClassAction Toolbox or queried from
the database of transcribed or coded data
- Works across web connections
- Can be embeddded into
multimedia publications
- For a demonstration of
the class video, please click on the following link:
[class
video demonstration]
Shared
use of and additions to corpus data will facilitate
a community of scholarship on adult second language
acquisition and teaching.
