Questions tagged [filter]
The filter tag has no usage guidance.
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How Does A Filter Work?
I was reading secret synths, and understood how the phase shift between two identical signals can result in filtering. But the way it'd written makes it seem like the filters attentuating is different ...
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Why is Fourier space not adecuate for (theoretical) filters? [closed]
As far as I have seen, almost all theoretical filter design occurs in Laplace or Z-space.
Also, there is a pervasive connection to real life analog filters in the design. If one
is just thinking in a ...
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How is this synth sound made? (WarGames, 1983)
I'm studying the soundtrack to WarGames (1983) - this track in particular, History Lesson:
There's a repeating phrase throughout, here's a short clip: https://www....
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Software to identify words or voices in a recording?
I have several legally obtained recordings ... too many. They're not labeled and I would like to see if I can "scan" these recordings for a particular voice so I know if that person is on that ...
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Dayton Audio mic calibration file details
Dayton Audio provides calibration measurements for some of their mics in the form of a text file mapping frequencies to gains for that particular mic (by serial number), e.g. one of mine is:
*1000Hz -...
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Need help in filtering
I would like to ask for help please. I don’t have an experience in sounds or recording or filtering. I have a voice record of two speaking with lots of background noise due to an instrument that was ...
CommunityBot
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how to separate an audio file based on different speakers
I have a conversation recorded of 2 different people, the conversation contains a gap before every sentence or person to make it easier for the algorithm recorgnise the voice. I want to try to split ...
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How to keep audio-fequency noise from my refrigerator out of my audio gear?
I recently replaced my refrigerator with a brand new LG model LTCS20220W. The fridge is silent, but when it is running, my guitar amplifier is picking up a 4,500Hz signal which is driving me crazy. I ...
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How to identify a similar or identical sound within an audio file?
Within a large audio file, I would like to identify sounds that are similar to or identical with exemplary sounds that are used as queries.
I basically need a filter which is defined by one or a few ...
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can you combine a high passed signal and low passed signal to get original signal
suppose you take a signal, and duplicate it, then apply a low pass and high pass filter both with the same frequency and roll-off respectively to each signal, then combine the two signals additively, ...
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How to use a jack route as a single audio-filter with ffmpeg
I have configured Ardour and there,
An audio track takes input from a Jack-Sink device
Applies some effects by using some Aux-Send
Outputs the final audio to Master which is a Jack-Client
Now, I ...
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LC Low Pass Filter Design
I am attempting to design a low-pass filter for a subwoofer, as the audio amplifier that is connected to it does not filter any of the sound coming in, and it is getting pumped full of high frequency ...
CommunityBot
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Filter certain instrument/sound from track
I'd like to eliminate a certain sound from a track, namely the one produced by cymbale. Take a look at it:
https://vocaroo.com/i/s1FpZrxM07TK
It has a very unique signature compared to the ...
CommunityBot
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LAME: Why is a lowpass filter used with --preset insane
After analysing various converted mp3's I've found out that the LAME encoder uses a lowpass filter for the insane preset (CBR 320), but the filter seems to be disabled for the extreme preset (VBR V0). ...
CommunityBot
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Filter to make music sound like it's being played in a mall?
I'm trying to conceptualize how I want the music for my game to sound, and as I have no musical experience, there are some ideas I have trouble describing, but the musical aesthetic I want for my game ...
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What does 'Poles' mean in relation to a filter?
Sometimes filters are referred to in terms of dB/Octave (a 24dB/O is a common low pass filter setup, for example), however sometimes they are referred to in terms of 'Poles' (I've seen switchable 2/...
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Irritating high pitched noise filter?
Are there methods to reduce noises that are generally accepted to be irritating while preserving other high frequencies?
Maybe some pitches are acceptable, but only for a limited amount of time, so a ...
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How can I create this transition effect
I don't know what this popular transition effect that DJ's use is called, but I'd like to know how can I recreate it with common DJ programs (like Traktor)
The effect I mean is the kind of noise in ...
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Zoom Q2HD for podcast-quality recordings?
I happen to already own a Zoom Q2HD. I have used it to record meetings and music auditions and have been happy with the results.
Now I wonder if I could use it to record an individual voice. I am ...
CommunityBot
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Filter slope and roll off freq add up?
Here's a little something that puzzles me; do I add up the roll off point (-3db) to the attenuation per octave (eg. 18dB/va) or not?
Am I correct that the roll off point is not to be considered ...
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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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Is homemade noise cancelling possible using existing hardware and included software/filters?
I'd like to create a higher tech noise cancellation machine (possibly with added white noise) for a room to reduce the sound of snoring from the next room over. I was thinking that by placing a mic, ...
CommunityBot
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How can I use one sound to filter another sound?
Imagine I have two sounds:
Sound A is a very saturated, dynamically high and flat sound. Like a distorted guitar.
Sound B is very dynamically complex, such as a vocal line.
Is there any way for me ...
CommunityBot
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Stand and Pop Filter for Samson Go Mic [closed]
Which Mic stand and Pop Filter is best for Samson Go Mic?
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Removing pop sounds and heavy breathing from male voice
We have a male actor who tends to breathe heavily and enunciates his p's quite distinctively. What could we do to reduce or completely remove the pop-like sounds during a live performance? Any eq ...
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What is the purpose of an FFT filter?
I've used the built in FFT filter in Adobe Audition to get some vocals sounding like they're coming from a police radio, and while the black box worked, I'm just curious as to what the FFT filter is ...
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How can I improve this chain of filters to make a better voice with Audacity
I'm a true beginner in sound design, and use of softwares to edit sounds. However I started to make a chain of filters in Audacity (File > Edit Chains).
I'm recording podcasts with only my voice as a ...
CommunityBot
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Audio Filter for accent modifications
Anyone know of a audio filter or tool that can manipulate accents in an audio.
Or may be some tool that achieve closer result.
Requirement
Doing some research on voice recognition systems. Want to ...
CommunityBot
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Making Voice filter based on video game character using Audacity
I'm trying to edit my voice clips to sound like this chap here
I asked a Senior Sound Designer and he pointed me towards comb filtering. Got the plug-in but am not ...
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Filter or Eq out certain parts of the spectrum without introducing transient distortion
As we all know windowing function or any kind of EQ'ing could destroy transients, introduce ringing artifacts etc...I wounder is there any other way achieving tasks such as filtering certain partials ...
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Bandpass filter on omnidirectional microphone (experimenting)
Simple thought, this is more for experimenting than anything else. I am well aware the end result may sound horrible, so please don't presume to preach to me here.
I play music. I have a battery ...
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A filter such that only frequencies present in both signal A and B pass through
Is there a name for what I'm describing? I suppose it could also be viewed as multiplying the amplitudes of matching frequencies from A and B. My goal is similar to a vocoder; I want to shape some ...
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Kylo Ren Voice Changer
I'm curious to know what kind of voice changing affects were used on Kylo Ren in Star Wars VII. It sounds like a pretty basic gravelly distortion filter that lowers his voice, but it still sounds ...
CommunityBot
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Simulating effect of various metal speaker grills
I'm looking to create software which will simulate the overall effect of different styles, sizes and openness of speaker grills on the audio received by the listener. So far I have the following ...
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What is the relation between high pass (low cut) filters and headroom?
I use, just like most of you I guess, high pass filters in my mixdowns to clean up muddyness and save headroom. I have a subscription on Computer Music in which every month a producer named Owen The ...
CommunityBot
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LAME bitrate and lowpass filters
Is there a formula or chart that specifies what lowpass filter LAME will automatically invoke for certain bitrates? I've looked around the net and can't find anything on this.
And is there a specific ...
CommunityBot
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Need software-based, resonant filter for 90's ROMpler
Any suggestions on how to add a resonant filter to a keyboard that does not have one?
I have a Alesis Quadrasynth (QS4) and want to do midi-triggered filter sweeps in real-time.
Thank you!
Dan
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Why do the orders of hi/low pass filters go in 6 dB increments?
A low pass filter - the first order is -6 dB per octave and as the order increases, so the cut is increased by 6 dB i.e. -12 dB, -18 dB, -24 dB, etc.
Why is it 6 dB? Why can't it be 4 dB for ...
CommunityBot
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Basic pitch processing
I am using matlab to construct a simple synthesizer, starting from fundamental sin waves. When playing two successive pitches their is a "tick" noise appearing at the junction which I would like to ...
CommunityBot
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Reference: What are the common algorithms for crossovers?
I don't want a debate, but I'm having a great deal of difficulty finding algorithms for crossovers, let alone how they might affect the band passing nature of the filters.
Update from the helpful ...
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Critical listening examples for compressors and digital filters?
I'm looking for listening examples for the following applications:
-Compressors usage (what to listen for when changing parameters such as ratio, attack, release time, etc). I've found some material ...
CommunityBot
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Inside a phone booth
I want to create an EQ or other approach that mimics a person inside an old style enclosed phone booth. Any thoughts? Thanks
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What type of filter is the "French Low Pass Filter"?
What kind of filter is a French Lowpass Filter?
In one example I know of, the Serum soft synth, there is a lowpass filter called the "French LP" under the "Misc" set of filters.
I suspect it may ...
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What's the wackiest software filter out there?
For pure filtering mayhem, what are people grooving on these days? Is there anything approaching, or surpassing, devices like the Sherman Filterbank for extreme filter-based processing? There are a ...
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Filter Reverb and Echo at the time of recording in Audacity or any other software
I am recording video lectures. The sound in those lectures must be clear from outside noises and also any echo/reverb. At my home I have only one room where the traffic sound and other sounds (barking ...
CommunityBot
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How to filter guitar sound to create a backing track
I was wondering if there's kind of a "rule" to filter guitar sound from a track. My idea is to create my own backing tracks, e.g. I did not find any backing track of "Roxette - Listen To Your Heart", ...
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Can a software generate a "midi" track from a song of musical notes of different instruments thanks to some filters? [closed]
Everybody knows those goofy special graphical effects generated by media player when you listen to a song. I never really liked them because they seem random and don't seem to synchronize with the ...
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extract specific frequencies from audio
As you can see from the spectrograph, there are two melodic lines in this excerpt. These two voices are played by different instruments. Is there a tool (preferably free) that will allow me to extract ...
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Low Pass Filter?
I've constantly heard about the Low-Pass (or High-Pass) filter, but I am confused. I read that it works on cancelling out certain frequencies that are below (or above) a certain threshold.
However, I ...
user488792
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What is the difference between low-pass and high-cut filters?
Is there any difference between low-pass and high-cut filters? There must be, and that's why they're named differently. But, when and why would you use one instead of the other?
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