Audio technology
(radio, pod casts, microphones, tapes etc) is considered a rather archaic
knowledge compared with the outstanding possibilities and popularity of video
technology (television, you tube, cameras, 3D visualization etc). Nevertheless,
audio recordings still continue to constitute a practical and cheap method of
collecting data with many advantages, such as the easy placement of a tape
recorder among people and the capturing of any conversation within the range of
the recorder. But, on the other hand with the audio recordings significant
data- related to the visual information- may be lost, while with a camera, both
moving images and sounds can be recorded.).
Audio Recording
|
Video Recording
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O
Records only sounds
|
O+N
Records sounds+ moving images=
audiovisual
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Consequently,
audio recordings don’t capture any detail about the spatial environment, like
the arrangement of the furniture, the lighting and spaciousness of the interior
space, the location of the entrance, and the length of the corridors, which in
many cases constitute important information for a deep and profound
understanding of a unique school case.
Audio recordings don’t provide information about the
spatial environment
|
So, since the
microphone can’t record anything visual, all the silent human activities remain
absolutely unknown for the researchers. Thus, a microphone can’t capture for
example a specific skilfulness or a manual dexterity, like the swimming skill,
the motor skills, the cutting, sticking, writing etc.
Audio recordings don’t provide information about the
skill’s learning
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Skills,
like the cutting skill or the skill to assembly the toy parts can’t be
captured by a typical audio recording apparatus.
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Moreover, audio recordings
lack of the significant feature to give any information about any unspoken form
of human expression and communication like the facial expressions, the body
language, the movements and gestures of the hands, the nervousness, the
friendly smiles, the mood, etc. Furthermore, microphones don’t record the
external, physical characteristics and appearance of the people, like the color
of race, the physical disability, the extreme stylistic choices, etc, which in
some cases constitute an essential detail.
Audio recordings don’t provide information about the
unspoken expressions
|
Audio
recordings can’t record the expression of the face, which is a mode of
nonverbal communication among people.
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