WCCF Audio Recording Procedures at CBC:
Sanctuary Podium:
Position Podium at the center. Check microphone connection.
Sanctuary Sound board:
Key is kept in the front right hand side closet, which uses the Audio Room key.
Move all slider down. Mute all channels. Turn on power.
Podium microphone is on Channel 14. Un-mute it.
Slide Channel 14 to 1dB mark (Gray marking).
On the right hand side, slide Audio Feed 1 to 1dB.
Slide Master Volume to about 30dB.
Go to podium, and say something in normal voices to check PA volume.
CD is on Channel 1 & 2. Play something appropriate before the service.
Stop CD when pianist is ready.
Audio Room:
Unlock Audio Room.
Sound board should always be on.
Slide all channels down. The Green knob is the monitor volume.
Sanctuary audio feed is on Channel 1.
Slide Channel 1 to 1dB, Adjust Master Volume and Monitor volume to listen.
Turn on Cassette Tape recorder. Put in black master cassette on right hand side.
Turn on Record Mode. Set record mode to Continuous Loop.
Adjust Record Sound Level.
Turn off Record Mode. Rewind and reset Counter.
Turn on Record Mode, again. Wait a few seconds. Hit PAUSE.
When sermon begins, release Pause mode.
Stop when sermon is finished.
Take master copy to tape copier to make copy.
Black master copy is on the left. White give-away is on the right.
Check copy mode to copy both AB side. Hit start button.
Procedure for making Digital Audio Recording using Olympus DS-40:
Connect DS40 to Audio/Video Broadcast module using the 60dB cable.
Turn on DS40. Hit Record when service begins.
The recorded file will be in WMA format.
We’ll process later to select sermon for conversion to mp3.
When service is completed, hit stop button, and turn off DS40.
Transfer from DS40 WMA file to computer
On computer, plug in USB cable to connect DS40.
Olympus DSS program should start automatically. DS40 should come on too.
In DSS, open up File Folder A, all recorded files should be showing.
Look for the most recent file, e.g. ds40403.wma, which has today’s sermon.
On XP desktop, open up File Folder c:\...\WCCF_Audio\2007_sermons
Drag & drop the audio files ds40403.wma from DSS window to XP File folder.
The file transfer should start.
IMPORTANT!!! When complete, use “Safely Remove Hardware”
to disconnect DS40 from computer. DO NOT just unplug the DS40 USB cable.
Close DSS program when done
Rename the \2007_sermons\ds40403.wam to Speaker_Name_2007_mmdd.wma
Convert WMA format to WAV format
Start WMA to WAV conversion program. (e.g. Free Mp3 WMA Converter)
Drag & drop Speaker_Name_2007_mmdd.wma from XP file folder to
Converter window.
Check “save in File’s Directory”. Format is WAV.
Conversion setting is PCM 48KHz, 16bit, stereo.
Start convert.
When done, verify the new wav file is in the 2007_sermons dir.
It should be approximately 10 times bigger than the wma file.
Close WMA to WAV conversion program. (e.g. Free Mp3 WMA Converter)
Convert from WAV to MP3
Start Audacity (latest version is 1.3 Beta Unicode)
File -> Open, use Brows to find the WAV file
When read in, verify Project Rate is 48KHz
Track -> Stereo to Mono, to get a mono track
Use Tool-bar tools to cut away extraneous recordings.
Use Envelope tools to reduce overall maximum recording levels.
Listen to sample portions for quality and completeness.
When ready, prepare to make mps3 conversion.
File -> Open Meta data Editor, to put comments in the mp3 file
Title, Speaker, Genre, Date, etc.
Edit -> Preference, to verify MP3 export setting is at 16 (16 Kbps)
File -> Export As -> MP3, to export WAV as MP3.
Use Brows to select c:\...\WCCF_Audio\2007_sermons
In the XP File Browser window, look for the new mp3 file.
The new file is Speaker_Name_2007_mmdd.mp3, it should be 1/10th of WMA file.
Listen to it to verify for quality and completeness.
When satisfied, remove the WAV file, to save disk space.
Upload mp3 file to tapewccf.net
Set Web Browser to http://www.tapewccf.net/vdeck/ , Log in
host manager -> file manager -> public_html
wccf -> sermon -> 2007
Select upload, use brows to look for current mp3 file in local computer’s
WCCF_Audio\2007_Sermons\*.mp3
Upload this single mp3 files, up to ~18M
Use another browser session to test listen to the mp3 file.
File Folder naming convention (new):
Year_Sermons
Year_Events
Audio File naming convention (new):
SpeakerLastName_FirstName_Year_MMDD.wma, *.mp3
Event_Name_Year_MMDD.wma, *.mp3
*.wma: 44kHz, 16b, stereo, ~60MByte per hour
sound quality approximately to 128kbps mp3
wma to wav converter, intermediate
*.wav: 48kHz, 32b float, stereo, ~600MByte per hour
approximately CD quality
Audacity, wav to mp3
*.mp3: 32kbps, mono, ~16Mbyte per hour
*.mp3: 16kbps, mono, ~8Mbyte per hour
Chen PauChen was mostly using
*.wav: 32kbps, 4bit, mono, 8KHz IMA ADPCM
*.mp3: 160kbps, stereo, 44kHz (one time, that’s way too big)
*.mp3: 24kbps, stereo, 24KHz
Mid-Hudson Chinese Christian Church
*.mp3: 8kbps, mono, 8KHz
*.mp3: 32kbps, mono, 22kHz; ~14MB/hr
http://www.tapewccf.net/vdeck/
host manager -> file manager -> public_html
top level web page is index.htm,
calls welcome.htm; nagv.htm
wccf -> sermon -> 2007
upload single files, up to ~18M
To do large files, use ftp
In DOS session, ftp tapewccf.net
Login, to get regular ftp sessions
REMEMBER to use bin mode
ftp commands: mkdir, lcd all works, !local_commands