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June 19th, 2010, 03:51 AM
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#1 |
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New Boot
Join Date: Jun 2010
Location: Klaipeda, Lithuania
Posts: 12
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Audio technica AT898 lavalier
Please help
I've just bought used AT898 mic and it's producing pretty loud hiss. It is normal to this model? Someone used/using this mic? How it compares to AT899? |
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June 19th, 2010, 11:41 AM
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#2 |
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Inner Circle
Join Date: Mar 2005
Location: Hamilton, Ontario, Canada
Posts: 5,742
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Hiss aside, the AT898 is a cardioid pickup pattern, not generally considered suitable for film/video dialog use. Cardioids are generally reserved for sound reinforcement applications where feedback suporession is important and where the wearer's head is generally facing in a constant direction, like a speaker at a podium. With dramatic dialog where there's a lot of head movement and gesturing, the voice is continually going on and off mic resulting in constantly changing level and timbre. The AT899, OTOH, is an omni, the preferred type for film/video work. Others will have to comment on the hiss issue but without a sample file it's hard to know how serious a problem you're having.
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June 20th, 2010, 11:15 AM
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#3 |
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Inner Circle
Join Date: Aug 2008
Location: New York
Posts: 2,038
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Hiss should not be a problem. What is it plugged into and how?
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June 22nd, 2010, 01:09 PM
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#4 |
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New Boot
Join Date: Jun 2010
Location: Klaipeda, Lithuania
Posts: 12
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http://www.vaizdostudija.lt/dideli/AT898.mp3
there's a test clip HDR-FX1 + juicedlink CX211 + AT898 Juicedlink audio level set to maximum, camera level set accordingly. |
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June 22nd, 2010, 07:17 PM
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#5 |
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Inner Circle
Join Date: Aug 2008
Location: New York
Posts: 2,038
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Is the person speaking wearing the microphone? Sounds somewhat 'distant' for a lav,.. especially a cardioid lav. Where exactly was this mic positioned on the person.
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June 28th, 2010, 08:25 AM
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#6 |
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New Boot
Join Date: Jun 2010
Location: Klaipeda, Lithuania
Posts: 12
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it's me speaking. I was holding lav ~5cm (~2 inch) down from my chin
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June 28th, 2010, 09:07 AM
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#7 | |
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Inner Circle
Join Date: Aug 2008
Location: New York
Posts: 2,038
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Quote:
I assume you are 'hand holding' the mic for test purposes. |
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June 30th, 2010, 06:32 AM
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#8 |
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New Boot
Join Date: Jun 2010
Location: Klaipeda, Lithuania
Posts: 12
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i've just tried lowering juicedlink to 75-85% and re-adjusting the camera level. Same hiss.
Yes I was "hand holding" mic for test, and I've clipped it to my shirt, same thing. I've tried this mic in sound recording studio, with battery and with phantom power, same hiss. I've sent a letter to audio technica. We'll see, maybe it is normal to this model |
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July 2nd, 2010, 02:31 AM
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#9 |
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New Boot
Join Date: Jun 2010
Location: Klaipeda, Lithuania
Posts: 12
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the amount of noise is normal to this model. I've contacted Audio Technica and they wrote to me:
"I listened to the attached clip; in my opinion it sounds fine. I honestly do not hear an excessive amount of hiss." |
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July 2nd, 2010, 10:42 AM
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#10 |
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Inner Circle
Join Date: Aug 2008
Location: New York
Posts: 2,038
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Deleted - Deleted -
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July 2nd, 2010, 10:45 AM
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#11 |
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Inner Circle
Join Date: Aug 2008
Location: New York
Posts: 2,038
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Deleted - Deleted -
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July 2nd, 2010, 10:49 AM
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#12 |
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Inner Circle
Join Date: Aug 2008
Location: New York
Posts: 2,038
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Sorry, I never checked out the clip. duh! FWIW, my 50 yr. old ears do not hear any excessive hiss. l do hear acoustical borne ambient background noise. a.k.a., 'room tone' if your indoors.
Last edited by Rick Reineke; July 2nd, 2010 at 11:57 AM. |
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July 2nd, 2010, 12:00 PM
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#13 |
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Inner Circle
Join Date: Aug 2008
Location: New York
Posts: 2,038
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My ears ain't what they used to be, so here's what my analysis indicates.
http://i897.photobucket.com/albums/a...AT898noise.jpg The HF drop-off is normal for 256kbp/s stereo MP3. |
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