Cain, Joe

Head of Department, and
Professor of History and Philosophy of Biology

Prof Cain's research interests include the history of evolutionary studies (especially the synthesis period in evolutionary studies), Darwin and Darwinism, history of science in London, and history of natural history.

Publications via UCL's IRIS service (link)

0207 679 3041 (UK)
+442076793041 (intl)
J.Cain@ucl.ac.uk
Twitter: @profjoecain

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audio samples: microphones

Obama interview


Voices Project. This page presents the results of tests combining recorders and microphones in typical recording configurations.


microphones

 

int mic

internal microphone

set-up: sits on desk directly in front of reader, 24” from mouth.
R-1: is set at right angle to speaker, so right mic is closer. set back from line of voice by 6”.
PMD660: both mics on even line equidistant from mouth.

ext mic A

Audio-Technica ATR97
omni directional boundary mic

mic-atr97.jpg
set-up: directly connected to 3.5mm plug. Internal pre-amp on. Placed on table 26” from mouth. No extension cord.

ext mic B

Audio-Technica AT-841a
omni-directional boundary mic

mic-at841a.jpg
set-up: sits on desk 26” away, pre-amp power on.
Simulates interview setting.
R-1: 5m cable XLR-3.5mm plug.
PMD660: 5m cable XLR-XLR, phantom power is OFF, unless noted as ON.

ext mic C

Radio Shack 33-1070D Shure
omni-directional dynamic mic

set-up: on stand, 12” from mouth.
R-1: 5m cable XLR-3.5mm plug.
PMD660: 5m cable XLR-XLR, phantom power is ON or OFF.

ext mic D

Audio-Technica AT-831b
cardioid condenser lavaliere mic

mic-at831b.jpg
set-up: on lapel, 10” from mouth, pre-amp power on.
R-1: 5m cable XLR-3.5mm plug.
PMD660: 5m cable XLR-XLR, phantom power is ON or OFF.

ext mic E

Audio-Technica ATM10a
omni directional condenser mic

mic-atm10a.jpg
set-up: on stand 12” from mouth, battery powered pre-amp on.
R-1: 1m cable XLR-3.5mm plug.
PMD660: 1m cable XLR-XLR, phantom power is ON or OFF.

ext mic F

Audio-Technica AT897
hyper directional 'rifle' mic

mic-at897.jpg
set-up: on stand 4m from source, battery powered pre-amp on.
PMD660: 4m cable XLR-XLR, phantom power is ON or OFF.

ext mic G

Audio-Technica ATM33a
unidirectional cardioid mic

mic_atm33a.jpg

set-up: on stand, 1m cable, fresh battery in unless noted
PMD660: mp3, 48kbps, 1m cable XLR-XLR, mic level set at 40%, phantom power is OFF unless noted.

660-40 – mic 0.5ft away from mouth
660-41 – mic 2ft away from mouth
660-42 – mic 1ft away from mouth; 45degrees off centre
660-43 - mic 1ft away; 90degrees off centre
660-44 – same as 660-40, no battery, phantom power on
660-45 - same as 660-41, no battery, phantom power on
660-49 – directional tests, no battery, phantom power on

microphone tests

using Marantz PMD-660

configuration details. on PMD 660. all setting are default, recording level is manual at 40%, phantom power is off unless noted
*.mp3 48kHz 64kbps mono


marantz_pmd660.jpg
660-05 int mic 
660-10 ext mic B
660-10a ext mic B, rec level at 60%
660-25 ext mic C - ON
660-26 ext mic C
660-27 ext mic C - ON, 1 m cable
660-06 ext mic D
660-14 ext mic E - ON
897-01 ext mic F - ON - voice is 3m 
897-04 ext mic F - ON - voice is 1m directional test

ATM10a directional test

configuration details: on PMD 660. recording mode is mp3 (48kHz 64kbps mono). Mic on stand set to 45 degrees angle. Record level set at 40%. Mic is 0.5m from mouth. Phantom power is ON, battery in. 1m cable XLR-XLR. At 0 degrees, mic front is towards speaker, then turned 90 clockwise for each new test.

mic-atm10a.jpg

directional test
660-30 0 degrees
660-31 90 degrees
660-32 180 degrees
660-33 270 degrees

distance test
660-35 0 degrees, mic is 2m from mouth
660-34 180 degrees, mic is 1m from mouth

AT897 directional and distance test

configuration details: on PMD 660. recording mode is mp3 (48kHz 64kbps mono). Mic on stand. Phantom power is ON, battery in. 1m cable XLR-XLR.

mic-at897.jpg
897-01 voice is 3m from mic; 660 level is set on; mic at 0 degree
897-02 same as 897-01; 660 level is set on 70%
897-03 same as 897-02; mic at 90 degree
897-04 voice is 1m from mic; 660 level is set on 40%;
mic at 0 degree
897-05 same as 897-04; 660 level is set on 70%
897-06 rotational test; same as 897-05
897-07 same as 897-05; battery in, phantom power OFF
897-08 same as 897-05; no battery, phantom power OFF -
(result was no sound so no file here)
897-09 same as 897-05; no battery, phantom power ON

Audio-Technica ATM33a

Unidirectional cardioid mic. configuration details: on PMD 660. on stand, 1m cable, fresh battery in unless noted mp3 (48kbps, 64kbps), 1m cable XLR-XLR, mic level set at 40%, phantom power is OFF unless noted.

mic_atm33a.jpg
660-40 – mic 0.5ft away from mouth
660-41 – mic 2ft away from mouth
660-42 – mic 1ft away from mouth; 45degrees off centre
660-43 - mic 1ft away; 90degrees off centre
660-44 – same as 660-40, no battery, phantom power on
660-45 - same as 660-41, no battery, phantom power on
660-49 – directional tests, no battery, phantom power on

microphone tests

using Edirol R-1

configuration details for R-1 series recordings: default settings except: limiter OFF, input monitor ON. Firmware 1.03. Input volume turned to maximum.
*.mp3. 16-bit 320 kbps mono


edirol_r1.jpg
R1-05 int mic
R1-06a ext mic A
R1-06b ext mic B
R1-06c ext mic C
R1-06d ext mic D
R1-06e ext mic E
   

Page last modified on 05 aug 10 16:03 by Joe Cain


Professor Joe Cain
UCL Department of Science and Technology Studies