Difference between revisions of "Phone Recording Setup - Mixing Bench"

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<pdf width="800" height="500">File:Ccpflow.pdf</pdf>
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==== Intro ====
Phone Interview Cheat Sheet:
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* The Audio Mixing Benches have a phone hybrid that can be used to record phone calls.
 
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* Long distance calls can not be made on the phones. Caller would need to call in.
# Set up using a microphone. Recording into your DAW with caller and receiver on separate tracks.
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# Plug mic into channel 1 of the mixer, set trim, turn up fader, hard pan left, turn aux 1 to noon,
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# Make sure aux one master is at noon.
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# Patch phone hybrid out C 15 into mic/line input 2 B 16
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# Patch phone hybrid in D15 into aux send 1 into A 21
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# On mixer, Set Channel 2 trim to +4 line level 9 o'clock, hard pan right, push fader up
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# Put Main Mix Faders up to unity
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# Patch Mixer Main L and R OUT into MBOX IN 1 and 2 to record to separate channels in Protools.
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# Open DAW and set track 1 input to 1 mono, Set track 2 input to 2 mono.
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# JK Audio Inline patch settings:
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a. FROM PHONE; TURN DOWN ALL THE WAY
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B. SEPERATION: TURN UP ALL THE WAY
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C. FROM LINE: NOON
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D. SEND: UP ALL THE WAY
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E. SET TOGGLE TO OFF-HOOK MODE
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MAKE THE CALL, AFTER THEY ANSWER, HANG UP THE PHONE AND USE THE MIC AND HEADPHONES.
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TURN DOWN THE ROOM MONITORS.
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Open Peak (peak may crash), or Protools (requires patching mix out L into PT, mix out R into PT), or Audacity, or Logic and record. Use Fader to adjust volume in Peak.  
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==== Patching ====
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# Patch '''Hybrid Out (C15''') to '''Mic/Line CH2 (B16''').
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# Patch '''Aux Send 1 (A21)''' to '''Hybrid In (D15)'''.
  
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==== Mixer ====
  
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===== Set up =====
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* Plug your mic into the XLR input of channel 1 of the mixer.
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* The phone hybrid output  is on channel 2.
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* Turn the '''Aux 1''' Master to 12 o’clock.
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* In the '''Source''' section select '''Main Mix'''.
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* Plug the headphones into the mixer headphone jack.
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* Adjust headphone levels as needed on the mixer.
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* Pan channel 1 to the left and chanel 2 to the right.
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* Turn down the volume on the volume box.
  
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===== Setting Levels =====
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# Talk into the mic and turn up the '''Trim''' knob on channel 1.
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# When the the '''clip''' light turns red turn the gain down.
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# Turn up '''Aux 1''' up ONLY on Mic/Line CH1.
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# Use the '''Channel 1 Aux 1''' knob and the '''Aux 1''' Master knob to set the levels on the phone hybrid.
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# Set the Channel 1 and 2 faders to '''0''' and the main faders to '''0'''.
  
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==== Phone Call ====
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# For campus-wide calls, you may initiate the call yourself.  '''For calls that go outside of the campus,''' '''the caller will need to call you.''' 
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# Press the '''Speaker*''' button to have the phone hybrid take the call. (*The topmost button)
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# Hang up the phone.
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# Set levels for the phone on channel 2 of the mixer. 
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# To end the call press the '''End Call*''' button. (*The bottom button)
  
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==== Recording ====
  
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===== Audacity =====
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# Open Audacity.
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# On the Mixer, the Main Mix faders are "normalled" (no patching necessary) to the MOTU interface inputs 3 & 4.
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# In Audacity, MOTU inputs 3 & 4 show up as channels 5 & 6 (not confusing at all...), so you will want to set the "Recording Channels" drop-down to "6."
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#* The first 6 inputs will be recorded, but you will probably only want the last 2; one is your voice, the other is the caller's voice.  You may delete the extra tracks after recording.
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# ''KEEP VOLUME KNOB DOWN ALL THE WAY WHILE RECORDING'' -- this will avoid feedback or bleed into your recording.
 
[[Category:Audio Mixing Benches]]
 
[[Category:Audio Mixing Benches]]

Latest revision as of 11:52, 15 May 2018

Intro

  • The Audio Mixing Benches have a phone hybrid that can be used to record phone calls.
  • Long distance calls can not be made on the phones. Caller would need to call in.

Patching

  1. Patch Hybrid Out (C15) to Mic/Line CH2 (B16).
  2. Patch Aux Send 1 (A21) to Hybrid In (D15).

Mixer

Set up
  • Plug your mic into the XLR input of channel 1 of the mixer.
  • The phone hybrid output is on channel 2.
  • Turn the Aux 1 Master to 12 o’clock.
  • In the Source section select Main Mix.
  • Plug the headphones into the mixer headphone jack.
  • Adjust headphone levels as needed on the mixer.
  • Pan channel 1 to the left and chanel 2 to the right.
  • Turn down the volume on the volume box.
Setting Levels
  1. Talk into the mic and turn up the Trim knob on channel 1.
  2. When the the clip light turns red turn the gain down.
  3. Turn up Aux 1 up ONLY on Mic/Line CH1.
  4. Use the Channel 1 Aux 1 knob and the Aux 1 Master knob to set the levels on the phone hybrid.
  5. Set the Channel 1 and 2 faders to 0 and the main faders to 0.

Phone Call

  1. For campus-wide calls, you may initiate the call yourself. For calls that go outside of the campus, the caller will need to call you.
  2. Press the Speaker* button to have the phone hybrid take the call. (*The topmost button)
  3. Hang up the phone.
  4. Set levels for the phone on channel 2 of the mixer.
  5. To end the call press the End Call* button. (*The bottom button)

Recording

Audacity
  1. Open Audacity.
  2. On the Mixer, the Main Mix faders are "normalled" (no patching necessary) to the MOTU interface inputs 3 & 4.
  3. In Audacity, MOTU inputs 3 & 4 show up as channels 5 & 6 (not confusing at all...), so you will want to set the "Recording Channels" drop-down to "6."
    • The first 6 inputs will be recorded, but you will probably only want the last 2; one is your voice, the other is the caller's voice. You may delete the extra tracks after recording.
  4. KEEP VOLUME KNOB DOWN ALL THE WAY WHILE RECORDING -- this will avoid feedback or bleed into your recording.