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Lecture Capture with Garageband, a Blue Snowball, and Moodle (LMS)
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Lecture Capture with Garageband, a Blue Snowball, and Moodle (LMS)

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  • 1. Lecture Capture with Garageband and a USB Microphone! Department of Educational Technology Engineering 006 • (718) 399 4531 • edtech@pratt.edu
  • 2. Equipment  Se,ngs:  Blue  Snowball   The  Microphone  has  3  separate  se,ngs  based  on   the  recording  condi=ons.       Use  the  switch  on  the  back  of  the  microphone  to   select  the  op=mal  se,ng  for  your  subject(s)  and   recording  environment.  
  • 3. GarageBand:  Project  Setup   •  1.  Open  GarageBand  from  the  applica=ons  folder  on  the  mac   •  2.  On  the  opening  screen,  select  “Voice”  to  start  a  new  file  that  will   contain  your  recorded  audio  lecture.     •  3.  Label  your  file  descrip=vely  –  with  date  and  relevant  course  info  in  the   =tle,  save  it  to  the  User  Work  folder  (if  you’re  working  in  the  labs)   •  4.  Open  GarageBand’s  preferences  dialogue  (GarageBand>Preferences)   from  the  header  menu  op=ons,  select  the  “Midi/Audio”  tab  and  select  the   “Blue  Microphone”  op=on  under  the  “Input  Devices”  tab.  Close  the   dialogue  and  return  to  the  main  screen.   •  5.  Check  to  see  the  microphone  is  recording,  if  it’s  ac=ve  you’ll  see  a  red   LED  light  up  on  the  front  of  the  mic.  
  • 4. Garageband:  Recording  to  Track   Layers   •  6.  In  the  “Tracks”  area  on  the  le_  side  of  the  screen,  there  are  two  audio   tracks  labeled  Male  and  Female.  Record  to  either  by  clicking  on  the   silhoueaed  icon.  The  ac=ve  track  will  be  highlighted  in  blue.   •  7.  At  the  boaom  of  the  screen,  there  are  track  controls,  similar  to  analog   recording  devices.  Use  the  record  buaon  to  start  recording  to  a  track  layer.     •  8.  The  level  meter  on  the  track  layer  should  rise  and  fall  as  you  speak  into   the  microphone,  and  the  play-­‐head,  the  thin  red  line  and  white  triangle,  will   move  across  the  =meline,  crea=ng  an  expanding  block  of  audio  as  you   record  your  lecture.    
  • 5. Garageband:  Recording  to  Track   Layers   •  9.  Click  on  the  note  icon  in  the  LED  display  to  change  the   meter  across  the  top  to  reflect  =me  rather  than  measures.   This  way  you  can  see  the  length  of  your  recording  across   the  top  of  the  screen  in  minutes  rather  than  measures.       •  10.  The  recording  stops  and  starts  at  the  loca=on  of  the   play-­‐head,  so  if  you  need  to  re-­‐record  a  segment,  use  the   play-­‐head  to  locate  your  start  and  stop  points  as  you   proceed  to  record  audio.  
  • 6. GarageBand:  Trimming  Recorded   Audio   •  11.  Once  your  audio  segment  is  recorded,  you  may  need  to   trim  the  beginning  of  the  segment  so  that  the  file  playback   begins  at  the  start  of  your  lecture.  Move  the  play-­‐head  to   the  start  of  the  recorded  audio  and  press  the  play  buaon  to   preview  the  recording.     •  12.  When  the  play-­‐head  arrives  at  the  point  you  want  the   audio  file  to  start,  go  to  the  header  menu  item  Edit>Trim.   This  will  split  the  clip  at  the  play-­‐head.     •  13.  You  can  click  on  the  part  you  want  to  delete,  it  will   change  shade  when  selected,  and  use  the  delete  key  to   remove  it.  Use  Edit>Undo  in  case  of  errors.    
  • 7. Compa=ble  Audio  Formats  for  the  LMS   •  Moodle  will  accept  the  following  audio  file   formats.  If  you  want  your  sound  file  to  play  in   its  own  player  (embedded)  on  a  page  then   choose  mp3  format.     –  .mp3     –  .aac     –  .wma  (Windows  Media  Audio)     –  .ra  (Real  Media)    
  • 8. Pu,ng  the  Audio  on  the  LMS   •  In  GarageBand,  find  the  “Share”  op=on  at  the  top  of  the  screen.   •  Select  “Export  to  disk”   •  In  the  dialogue  box  that  appears,  check  “Compress”  and  use  the  AAC   encoder  at  low  or  medium  quality.  Click  the  export  buaon  to  make  an  audio   file  that  can  be  uploaded  to  the  LMS.  
  • 9. Pu,ng  the  Audio  on  the  LMS   •  Open  your  LMS  course  page  and  turn  turn  edi=ng  on.   •  Locate  the  exported  GarageBand  file  you  just  created,  and  place  it  on  your   course  page.  If  you  are  using  Firefox  or  Chrome  you  can  drag  and  drop  the   file  from  the  desktop  right  onto  your  course  page.  If  you’re  using  Safari  or   Explorer,  you’ll  select  the  “add  a  resource”  op=on  to  get  the  file  picker  to   browse,  find  and  add  your  file  manually.   •  Test  the  audio  file  by  turning  edi=ng  off  and  clicking  on  the  =tle.  It  should   play  back  right  from  the  browser.