Scratchy sounds

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Jack101
Posts: 8
Joined: Thu May 05, 2016 6:01 pm
Operating System: Windows 10

Scratchy sounds

Post by Jack101 » Thu May 05, 2016 6:07 pm

Hi,

When I record jazz from the radio I get a scratchy sound which is like one of 2 stereo channels but much lower volume and definitely "scratchy". Does any one have any idea what this is and how I can eliminate it?

Thanks

I am using windows 10


Jack

themickster
Posts: 308
Joined: Wed Aug 12, 2015 10:50 pm
Operating System: Windows 10

Re: Scratchy sounds

Post by themickster » Thu May 05, 2016 7:47 pm

Can you post a sample so we can tell what it might be? Does the recording meter go into the red?

DVDdoug
Forum Crew
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Re: Scratchy sounds

Post by DVDdoug » Thu May 05, 2016 7:57 pm

Is this something that you hear in the broadcast, or something that only shows-up when the recording is played back?

If it's only in the recording, we need to know about your connections... Do you have RCA "line" or "tape" outputs on your FM receiver? And are you plugged into the line-input on a regular desktop/tower soundcard?
which is like one of 2 stereo channels but much lower volume and definitely "scratchy".
What?

Is this noise, where it's constantly present and most noticeable when the music is quiet or silent?

Or, is it distortion that's most noticeable during loud passages?

Jack101
Posts: 8
Joined: Thu May 05, 2016 6:01 pm
Operating System: Windows 10

Re: Scratchy sounds

Post by Jack101 » Mon May 16, 2016 12:59 pm

Hi,

Thanks for your replies and apologies for not responding more quickly, I have not been keeping so well.

The sound I am hearing is not in the broadcast, only when I play it back. I am recording radio 3 Jazz Record Requests from the internet radio 3 i player, and using my computers Gigabyte mother board on line sound card.

I usually save the Audacity recording to a usb stick which I then save on to a small laptop computer from which I listen to the recordings. The scratchy sound is also present if I play back from the computer I used to record the music.

The "Scratchy" sound does not seem to be related to the volume of the main sound, but it is not constant. I have difficulty in deciding if there is anything which correlates with the sound.

During recording, I have never seen the needle go into the red, so I don't think it is overloading.

A major complicating factor is that I am profoundly deaf and can listen to music only with the help of a cochlear implant. I think it is unlikely that this is causing the problem, it is an amazingly high tech piece of kit and I have never heard scratchy sounds when I recorded onto tape. This does mean however that I can only hear in Mono because I only have 1 implant.

Thanks again for your help.

Jack

themickster
Posts: 308
Joined: Wed Aug 12, 2015 10:50 pm
Operating System: Windows 10

Re: Scratchy sounds

Post by themickster » Mon May 16, 2016 6:01 pm

Can you attach a sample?

Jack101
Posts: 8
Joined: Thu May 05, 2016 6:01 pm
Operating System: Windows 10

Re: Scratchy sounds

Post by Jack101 » Mon May 16, 2016 6:06 pm

I don't know how to attach a sample. Can you give me some advice?

Thanks

Jack

DVDdoug
Forum Crew
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Joined: Fri Sep 10, 2010 11:30 pm
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Re: Scratchy sounds

Post by DVDdoug » Mon May 16, 2016 6:50 pm

and using my computers Gigabyte mother board on line sound card.
Let's clarify that...

You should be able to "capture" (record) digital audio streaming over the Internet without any noise or alteration. There is some information on this page. If you are using Windows 7 or later, WASAPI Loopback should work.

themickster
Posts: 308
Joined: Wed Aug 12, 2015 10:50 pm
Operating System: Windows 10

Re: Scratchy sounds

Post by themickster » Mon May 16, 2016 7:25 pm

Underneath the text box when you answer a post are the Save Draft, Preview and Submit buttons. Below them are two tabs: Options and Upload. Choose Upload.

Trebor
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Joined: Sat Dec 27, 2008 5:22 pm
Operating System: Windows 8 or 8.1

Re: Scratchy sounds

Post by Trebor » Mon May 16, 2016 7:36 pm

Jack101 wrote:I don't know how to attach a sample. Can you give me some advice?

"How to post an audio sample" , see ... http://forum.audacityteam.org/viewtopic ... 49&t=72887
Attachments
Jazzy test WAV [stereo].wav
10 seconds, stereo, 44.1kHz sample-rate, gives a WAV audio file of about 1.7Mb , [ Maximum allowed is 2Mb].
(1.68 MiB) Downloaded 28 times

Jack101
Posts: 8
Joined: Thu May 05, 2016 6:01 pm
Operating System: Windows 10

Re: Scratchy sounds

Post by Jack101 » Tue May 17, 2016 6:56 pm

Hi,

I have selectrd a section which I think contains the scratchy sounds, altho' i'n not entirely sure I have followed all the instructions correctly.
Attachments
jrr1.wav
(218.44 KiB) Downloaded 29 times

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