Questions tagged [noise-reduction]

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1answer
44 views

Why does the tonearm cable from my turntable pick up noise?

I have recently pick up an old turntable (my detailed setup goes below) and facing the background noise issue. I think it is something being picked up by my tonearm cable because when I move it or ...
3
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1answer
163 views

Denoising studio induced noise and noise due to poor recording

Background Cassette tapes of speeches have been made in 2000 in locations which are not studio like environs for recording (i.e. contain various sources of noise such as fans, folks moving about, ...
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3answers
111 views

Building a DIY sound isolation box

I need the box to block at least 40 dB of sound. The interior size can be as large as a shoebox. I'm thinking about using a plastic box as a frame, and then pad 2 layers of Dynamat or (one layer on ...
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1answer
56 views

Is it possible to perform noise reduction using multiple recordings?

I have an interview recorded using a Zoom H1n audio recorder and and two DSLR internal mics. Is there a way that I can use all three tracks in some sort of noise reduction process that looks for the ...
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1answer
41 views

Is it that bad to run line level audio wires next to AC wires?

I have to place my amplifier+turntable setup away from my working desk. Currently the amp has three devices plugged in: a turntable, a digital audio receiver and a simple jack output from my pc. Both ...
2
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1answer
72 views

Mad scientist: How to cancel out hum of known amplitude from signal of unknown amplitude?

I like investigating real-world phenomena through sound, and this time I am checking out lamps. I have following scheme: I have noticed that each lamp type distorts 50hz mains tone in its own unique ...
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2answers
32 views

Suggestion on changing the quality of generated sound

I have built a text to speech system that is generating speech for a given text, however the generated audio has a lot of vibrations in it. Although the speech is clear, it doesn't really sounds ...
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1answer
53 views

Can I automatically select / remove clipping / peaks above -3dB in Reaper?

I have a long recording that I took on a windy day. The wind was intermittent and I was trying to isolate the sound of the snow. I expected there to be some clipping or unwanted loud sections that ...
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1answer
35 views

What devices do acoustical consultants use to measure sound?

What types of devices do acoustical consultants use to measure sound? In my specific case I am looking to measure train noise inside and outside the home. I suspect a decibel meter at the simplest ...
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1answer
31 views

Does a higher sample rate compensate for quantization errors from higher gain?

While normally bit depth would be associated with a more accurate signal to avoid quantization noise, I am wondering if recording at a higher sample rate will allow a more accurate interpolation of ...
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3answers
193 views

How could I remove static/current noise while noise reduction is not useful

I got a 2hr long video which contains vocal and static/current noise. The "noise reduction" will not only remove the noise but also the vocal. How could I remove the noise only with Audacity? The ...
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3answers
9k views

How to filter hiss from amp to speakers? [closed]

I picked up an inexpensive 2x120W amplifier to drive my 8-ohm desktop speakers, and it produces a bit of a hiss, particularly when the treble is mixed further up which is what it seems to need. Is ...
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1answer
38 views

Interference in new audio setup - how do I get rid of it? Possible ground loop?

I just bought M-Audio BX5 monitors and connected them to my Creative Sound Blaster X-Fi Titanium sound card with a stereo TRS to an unbalanced TRS (mono) in each speaker. The sound is fine, but ...
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3answers
386 views

Extract lecturer voice and ignore background

I know questions similar to mine have already been posted and answered, but I didn't find one that answers my specific question. I have an audio file where I have a teacher (let's call him Fred) who ...
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2answers
105 views

The higher the gain the more white noise

I use the samson c01 condensor mic with the scarlet solo 2nd gen interface, I use logic pro x to record on. I record vocals in the closet with blankets and everything surrounding so there is no ...
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2answers
4k views

How can I eliminate sounds below a certain threshold?

Using Audacity, I can highlight a section of an audio file, select Effects > Noise Reduction > Get Noise Profile, then Select All, and then again Effects > Noise Reduction, and this time "OK" to ...
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3answers
371 views

What is the best way to reduce background noise on a video recorded with a camcorder (background chatter)?

My colleague and I attended a conference and made a number of interviews in a crowded hall full of people. We are completely new to video recording: it was just Panasonic HC-V777 camcorder (~300$) ...
-1
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1answer
308 views

Does a lav mic pickup noise?

Recently, I switched from a condenser mic to a dynamic mic: Is a dynamic mic better than a condenser mic in terms of outside noise? The dynamic mic almost completely ignores car noise from outside. ...
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1answer
2k views

Reducing hiss on H6

I'm a novice having some issues making a recording, and could use some advice. I want to make ambient recordings, so need to reduce all background noise. When I say 'background' noise, I mean the ...
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2answers
142 views

Free software to remove “sound pattern” from recording?

I am trying to remove undesirable sounds from a recording: I have a video conference recording that includes sounds such as "Has joined the conference" and "has left the conference" that I am trying ...
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2answers
1k views

Removing Background Conversations in Audition [duplicate]

I recorded some spur of the moment interviews using my DSLR at an event. The people I interviewed came out well enough for my ears to discern what they are saying, but there is a lot of background ...
0
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1answer
63 views

Sound proof a room, car noise [duplicate]

I am trying to record my own voice in my room, and the main problem I have is the noise generated by the cars outside. My house is very close to the street (maybe 15m) and although my room has a UPVC ...
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1answer
1k views

How to remove hiss in Adobe Audition?

How can I remove hiss in a recording (due to too-low level preamp)? This was a live recording that I took from the mixing board on a Tascam, at 24-bit 96kHz recording. It has the direct input from ...
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2answers
1k views

How to cancel out siren noise as much as possible?

I have a great sensitivity to noise and use earplugs etc for sleep and have fans going, but unfortunately due to various limitations including finances, I need to stay where I am at present, which is ...
2
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3answers
777 views

Extracting human vocals from really damaged audio?

My friend received an audio clip from a family member he is concerned about, but the clip is very low quality. He asked me to help clean it up, but I only have a little experience with digital audio. ...
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3answers
2k views

How can I remove mouse and key clicks from live audio? [duplicate]

I need to stream live audio from my desk while being able to use my computer at the same time. I have tried following the tips from How do I remove mouse click noise and How to Reduce Keyboard and ...
3
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1answer
623 views

remove static noise from audio recording

I have a recording with a static noise added throughout the audio. the longest silence period I could extract was this: audio_file however, it contains some moments of new sounds of flipping pages. ...
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3answers
47 views

Identifying non-human voice noise in EQ

Are there bands in EQ that can be safely quashed that are outside of human voice. Thinking that if noise is not human noise it must be room/background noise.
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1answer
81 views

Is it possible to remove weird noise which increases with volume?

I am totally newbie in topic of audio-video recording. Usually I got no problems with recording meetups using Go-Pro clone camera with built-in microphone but this time something weird happened with ...
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1answer
853 views

How to get background conversation in a sound record?

I have a audio file which belongs to a security camera that recorded inside of a cabin. There is a conversation taking place outside of the cabin and I need to get that conversation. Is there a way to ...
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5answers
2k views

When should a noise gate be applied?

I produce a weekly podcast and I'm slowly trying to improve my mixing and editing skills to make it sound as good as possible. The podcast is recorded with me and my co-host in the same room, which ...
3
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2answers
218 views

Audio Signal Difference Extraction

I'm from visual arts background and so, I'm not familiar with technical aspects of sound design. But I'm exploring and learning everyday. Currently, I'm working on a sound art project, for which I'd ...
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0answers
24 views

Newbie noise reduction question [duplicate]

I have a musical audio track, where I can isolate particular sounds. Are there any practical steps that I can take to reduce the noise of the isolated samples from the rest of the track, in order to ...
2
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2answers
2k views

How to prevent Speech Volume Leveling in Adobe Audition from amplifying noise?

I am recording some speech (for voiceover purposes) and have noticed two issues with the input that I wish to correct: There is a persistent hiss. The Noise Reduction effect appears to deal with it, ...
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1answer
129 views

Noise reduction on a guitar amplifier over a voltage regulator

I'm new to the community and I'm not sure this is the place to be asking, but it seemed reasonable to give it a shot. Also I'm not an electrical engineer so I'm not familiar with the English jargon. ...
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2answers
290 views

Need to remove noise from audio

Can anyone guide me on howto remove the fan noise from this audio. Kinda stuck here. Here's a link to the file: https://www.dropbox.com/s/fzggrj5zmviwfpj/fan_noise%26Hiss_audio.mp3?dl=0 Thanks
3
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3answers
31k views

I just got a Blue Snowball Ice and it picks up my keyboard with Cherry Mx Blues

So I want to use this microphone both for skype and for my general audio recording purposes, but it is really sensitive (not exactly a bad thing). Is there a way I can set it up so that it picks up ...
3
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3answers
160 views

Crazy Question: Is it possible to clean up speakerphone sound - (not music, just speaking)?

I am not a audio person. I am more of a technical problem solver who is on an interesting project to provide remote interpretation to a business audience. I am able to control what goes out (the ...
2
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3answers
120 views

Eliminate sparrow chirp from sound track

I recently bought a Rode NT1 mic and Focusrite Scarlett 2i2 interface. I have setup everything in my room and I am very satisfied with the output I get, except for the bachelor sparrows chirping ...
2
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2answers
257 views

Voice sounds uneven after noise removal?

After noise removal my voice sounds uneven if volume is more than 40.There are many ups and downs and also there are echos sort of thingy. https://clyp.it/sh3t0aoz (with noise removal) https://clyp....
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2answers
604 views

How do you identify clicks and pops in a spectral analysis?

I'm not a music guy, but I do use Adobe Audition from time to time for noise removal from interviews. I'm working with some particularly bad audio digitized from old audio-graph recordings, which is a ...
3
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1answer
86 views

Noise Reduction when recording changes volume

The person running the mixer (what's the proper term?) had the level too low and changed it during the performance. It appears that he took four seconds to ramp it up. The noise profile is different ...
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2answers
141 views

How can I salvage a live recording taken with an intermittent microphone?

At a recent performance, one of the vocal microphones was connected poorly and the sound recorded (example) contains some noise. As far as I can tell it's basically a lot of clicks as the connection ...
3
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3answers
2k views

When to apply noise reduction? Before or after other processing?

I have a recording, in which i will do some processing, specifically: Expand Boost a bit around 150hz I also need to apply noise reduction My question is: When noise reduction is applied? Before or ...
2
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0answers
25 views

Help identifying source of unwanted noise [duplicate]

Edit: Clarified this question to point out the differences between this and the one marked as a duplicate I have a Blue Snowball USB microphone plugged into an HP PC running Windows 7. Whenever I ...
4
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2answers
112 views

Reducing Noise in Feynman Lectures

There are quite a lot of old Feynman lecture recordings on YouTube, that unfortunately suffer from very noisy audio. I'm not a sound-design professional, hobbyist; in fact I'm quite possibly tone deaf....
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3answers
96 views

iZotope RX2: limiting the noise profile bandwidth

is there a way to limit the bandwidth of the noise profile? I mean, let's say I only want to denoise the highs from a recording and keep the rest. By now I can't find a way, since the noise profile is ...
2
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3answers
414 views

Matching ADR with original Dialogue

Alright, I'll admit - I have no idea what I'm doing here. I could really use some tips. I'm having trouble matching some ADR recordings with the original dialogue recordings. The scene takes place ...
2
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2answers
1k views

Tascam DR-100 MKII: Getting Noise on Some Recordings

I just picked up a TASCAM DR-100 MKII the other day and I'm learning how to use it. Full disclosure, all this sound engineering is brand new to me. I bought it because I'm going to start doing ...
2
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1answer
211 views

Delay issues while using iZotope RX3 for noise reduction and restoration

I just recently purchased iZotope's RX3 suite and beginning to incorporate it into my workflow. When I use it as a plugin within Pro Tools, some plugins from the suite cause a delay. Activating Pro ...