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Fix coarse/overloaded record

Posted: Wed Jul 03, 2013 10:12 am
by AKazak
Greetings, dear community!

Please coarse/overloaded record attached.
Can you suggest any ideas on improving the quality of the recording please?

Thank you!

Re: Fix coarse/overloaded record

Posted: Wed Jul 03, 2013 10:18 am
by steve
AKazak wrote:Can you suggest any ideas on improving the quality of the recording please?
The recording is beyond repair. The only really effective "fix" is to re-record it.

Re: Fix coarse/overloaded record

Posted: Wed Jul 03, 2013 10:40 am
by AKazak
steve wrote:
AKazak wrote:Can you suggest any ideas on improving the quality of the recording please?
The recording is beyond repair. The only really effective "fix" is to re-record it.
Oh. What could cause the distortion?
Maybe some good filter can help?

Re: Fix coarse/overloaded record

Posted: Wed Jul 03, 2013 11:38 am
by steve
AKazak wrote:What could cause the distortion?
Something is being severely overloaded.
How was the recording made?

Re: Fix coarse/overloaded record

Posted: Wed Jul 03, 2013 11:55 am
by AKazak
steve wrote:
AKazak wrote:What could cause the distortion?
Something is being severely overloaded.
How was the recording made?
It was made at translator hood using PC+Audacity connected via mini-Jack cable to a mixer.

Re: Fix coarse/overloaded record

Posted: Wed Jul 03, 2013 12:24 pm
by steve
AKazak wrote:using PC+Audacity connected via mini-Jack cable to a mixer.
I suspect that the mixer was connected to the "microphone" input on the PC. That won't work properly because a microphone input is expecting a tiny microphone signal, whereas a mixer provides a signal that is about 1000 times bigger than a microphone signal. Thus the microphone input is massively overloaded.

The mixer needs to be connected to a "line level" input.
Many full size PCs have separate "line" and "mic" inputs - use the "line" input.
Many laptop PCs have only a "mic" input, so you need to use an external sound card that has "line" inputs (I use a Behringer UCA 202, which is about $30).

Re: Fix coarse/overloaded record

Posted: Wed Jul 03, 2013 2:58 pm
by AKazak
Understood.
Can filtration help as least to enhance the recording a bit?

Re: Fix coarse/overloaded record

Posted: Wed Jul 03, 2013 5:31 pm
by steve
Unfortunately not.
You can make it sound a bit less harsh by using a low pass filter, but to have a noticeable effect the would will become very muffled.

Re: Fix coarse/overloaded record

Posted: Thu Jul 04, 2013 3:38 pm
by AKazak
steve wrote:Unfortunately not.
You can make it sound a bit less harsh by using a low pass filter, but to have a noticeable effect the would will become very muffled.
Anyway, thank you very much!

Re: Fix coarse/overloaded record

Posted: Thu Jul 04, 2013 5:51 pm
by kozikowski