Questions tagged [frequency]

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12 votes
3 answers
984 views

What is the "level" of Frequency Modulation of many synthesizers?

I am currently working on FM synthesis and while I do understand the roles of carrier frequency, modulator frequency and modulator amplitude, I've been having problems with understanding how lots of ...
Peter Goldsborough's user avatar
8 votes
9 answers
14k views

Does the .wav file created from a .mp3 file have better quality than the .mp3 file itself?

A .wav file created from a .mp3 file has the same frequency domain plot as the mp3 file itself. However, the .wav file created from .mp3 file has larger file size. According the post https://...
Cyan's user avatar
  • 121
8 votes
8 answers
2k views

What are your favorite spectral tools?

What are your favorite software tools for spectral analysis/manipulation? And what do you use them for?
user avatar
7 votes
11 answers
7k views

Why can cheap mics be eq to sound like expensive ones?

Other than frequency response, what makes a mic sound good? Say there is a cheap microphone, and an expensive microphone with same frequency response/selfnoise/sensitivity/polar pattern. Now we ...
Linas's user avatar
  • 492
7 votes
2 answers
3k views

Frequency and emotional response

I remember that a few months back, someone copied a link to a site that had a great display on the frequency bandwidth and what frequencies affected which emotions and what instruments and or sounds ...
oinkaudio's user avatar
  • 2,134
5 votes
1 answer
1k views

how can I make sounds of different frequencies appear subjectively equally loud?

I'm making an experiment where I play pure tones of three different frequencies (220 Hz, 440 Hz, 880 Hz) at 75 dB SPL. I've noticed that they don't sound equally loud, and I would like them to. I ...
user avatar
4 votes
10 answers
4k views

Un-easy frequencies used in film to create tension?

Hello soundies.. I was wondering if anyone knew an example of when a film has used a single tone frequency (or if they ever have) that sits below the mix and creates an almost subliminal 'uneasy ...
jassim 's user avatar
4 votes
5 answers
3k views

Completely cut frequencies below a certain threshold

I'm warming up to Ableton Live by attempting to manipulate songs into how various animals would hear them. For example, idealized bats hear roughly between octave 7, starting at 1.28kHz, to octave 13,...
chadoh's user avatar
  • 193
4 votes
4 answers
44k views

Is bass boost harmful?

I recently bought a Sony headphone which has "bass boost", and I really love it. I love it so much that I increased the bass (low frequencies) on every device I use it on, with like 7db and decreased ...
Máthé Endre-Botond's user avatar
4 votes
2 answers
502 views

Films that push the boundaries of Sound Design?

For example in 'Irreversible', the first 30 minutes there is a underlying sound frequency of 27hz - this makes you feel physically sick and disorientates you. Do you guys know of any films that use ...
user7673's user avatar
4 votes
2 answers
445 views

How wide are critical bands?

I hope this is the most appropriate SE site to ask a question about psychoacoustics. I don't quite understand critical bands. As far as I know, if two pure tones which frequencies are inside the ...
user avatar
3 votes
2 answers
17k views

What does 100Hz 12dB per octave mean?

I have been trying to understand what 100Hz 12dB per octave means in a low pass filter. What does it really mean in full details? Any material can be of help.
Samuel Okon's user avatar
3 votes
1 answer
300 views

International Travel with a wireless kit?

Hi guys! I'm looking to buy a wireless mic kit to use for on location recording for a upcoming documentary. The problem is that this docu is going to be shot in different locations all over the ...
Narayana's user avatar
3 votes
2 answers
141 views

Scales vs. Harmonic Notes

If an ambient sound is to be generated with specific frequencies, would it, in general, sound better if those frequencies are notes selected from a specific scale, or frequencies that are all harmonic ...
Yaakov Schectman's user avatar
3 votes
1 answer
81 views

Why is there no signal above 11025 in my 44100 recording?

I'm analyzing an audio recording made on a newish MacBook Pro in Logic, using the internal mic. Looking at the spectrogram, there's nothing above 11025 Hz, which is disturbing— if it were, say, 15kHz ...
buildsucceeded's user avatar
3 votes
3 answers
954 views

Is there scientific studies into certain frequencies relating to colours/light/mood?

Hello. I'm working on a little web project (I'm a web developer by trade) where it's basically a mouse controlled synth inside a browser. Nothing fancy, but it's letting me get to grips with some of ...
littlejim84's user avatar
3 votes
1 answer
100 views

Can steady-state noise contain a fundamental frequency?

I am doing speech-in-noise testing. We use the so-called matrix test. The Flemish/Dutch version of this test features a female speaker. I ran some sentences through 'Praat' and it provided me with a ...
AliceD's user avatar
  • 133
2 votes
10 answers
32k views

What is the frequency step formula for 10 and 31 band EQs?

What is the formula to calculate the bands ranges of a graphical EQ on a mixer? 20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400Hz ... etc It seems some of them are doubles. When ...
JM V's user avatar
  • 385
2 votes
2 answers
80 views

How can I avoid the pop at the end of a file containing a pure frequency?

For a personal project, I need to generate a track that contains a single, pure frequency. My method for this involves generating a single tone using Audacity, and exporting the file. The wave ...
user avatar
2 votes
2 answers
65 views

What's the point of drivers that can produce frequencies that humans can't hear? [duplicate]

Why companies advertise drivers with frequencies that most humans can't hear? I saw some headphones that says they can produce 10Hz-25kHz. I even saw one that can go up to 40kHz. Music formats also ...
Enes Doğan's user avatar
2 votes
2 answers
141 views

Frequency response of ears when covered with hands [closed]

just as in the title. Anyone know if there is some info on this available. I know its very relative as to how you cover your ears, but an approximate/median graph would be useful to me.
user7375's user avatar
2 votes
2 answers
811 views

Programming a Vectorscope

I'm currently attempting to create a vectorscope that analyzes realtime audio in Javascript using the Web Audio API. During every cycle, the API allows access to the current frequency data and time ...
NateTheGreatt's user avatar
2 votes
1 answer
140 views

Purely Mechanical Acoustic Frequency Converter

I'm an electrical guy, so I know how to make a frequency converter electrically. Or by using software through resampling, etc. My mechanical understanding of the world is much more lacking. What I'm ...
Trashman's user avatar
  • 123
2 votes
3 answers
2k views

Need help recording ultrasonic frequencies with microphone

I am working on a project; detecting the sounds made by pests in stored grain while eating. I know that the ultrasonic disturbances occur when the pests tear the materials during feeding. I need a ...
Darshan N's user avatar
2 votes
2 answers
402 views

Conditional math (intersection) to join two audio tracks

I do not want the difference. I want the intersection of frequencies. The problem: I have two audio files. One of the files (A) contains the vocals and drums. The other file (B) contains the vocals ...
Brendan's user avatar
  • 21
2 votes
1 answer
2k views

How to do frequency or spectral subtraction of two audio tracks?

I want to know how it's possible to substract one audio track from another. Meaning that you cut out the frequency spectrum of a audio file from another. I know how the phase inversion trick used to ...
Roland's user avatar
  • 121
2 votes
2 answers
856 views

Recipe for producing a sub bass that is both loud and rattles shelves?

The best sound I can come up with is not a sine wave, but a triangle wave. The triangle wave creates a very nice upper and lower shelf frequency that you can both hear and feel. The bad thing with ...
Lakitu's user avatar
  • 211
2 votes
1 answer
99 views

VCV Rack - what is the maximum frequency deviation for FM?

On VCO-1, the amount of FM can be controlled by the "FM CV" knob, which ranges from 0%-100%. I'd like to know the frequency deviation that VCV uses at 100% modulation. I did a few tests to try to ...
Ivan's user avatar
  • 123
2 votes
1 answer
284 views

Sound - for the purpose of creating vibrations

What is the best way to distribute noise from more than one source (I'm envisioning a system with many), within a dome, with the ground as its primary target, at optimal frequencies and volumes to ...
ewizard's user avatar
  • 123
2 votes
3 answers
244 views

Sound Frequency and Healing

I was wondering if anyone new about the phenomenon of frequency and brain healing. I got a call from someone who is doing an art installation and wants to use the frequency or frequencies which could ...
oinkaudio's user avatar
  • 161
2 votes
0 answers
2k views

44kHz vs 48kHz for music playback [closed]

I was wondering what's the best setting for typical music playback. Songs are encoded with 16 bit & 44kHz, but my windows 7 sound playback is set to 24 bit / 48kHz (that was the default). Does ...
carrie's user avatar
  • 21
1 vote
4 answers
342 views

Noise Frequency

Im just wondering, as there are lots of kinds noise that creep into our recordings. what are the typical frequencies where noise is mostly present as so I can apply filters etc.. And also, what type ...
Chris Phillips Leeds Met's user avatar
1 vote
3 answers
2k views

Why can I hear 120 BPM, but not 2 Hz?

What is the difference between BPM (Beats Per Minute, like what a DJ counts to mix) and Hz (Hertz, like what tuning forks are measured in), other than a factor of 60? Why can I hear a 60 BPM bass ...
asker's user avatar
  • 19
1 vote
2 answers
113 views

What frequency / quality for voice clips?

I am looking at making some voice clips for teaching languages. I am using Audacity, but am not sure what settings to use. Many people recommend 44,100Hz for regular music recordings. Is this also the ...
kojow7's user avatar
  • 131
1 vote
1 answer
167 views

Extract wavelengths or frequencies out of a recorded sound

I have recorded 1 minute of almost silent in woods. there is mostly wind and grass moving sounds. Is there any way to extract wavelength ranges out of it? I only need to know the numbers. I don't want ...
Asal's user avatar
  • 13
1 vote
2 answers
81 views

What property of sound disturbs us?

I am not sure if here is the right place to ask my question. But I will ask. I want to build some kind of sound detector circuit to prevent sleeping baby from disturbances. But, it should detect ...
freezer's user avatar
  • 113
1 vote
1 answer
65 views

How to consistently increase or decrease the volume of a chosen harmonic frequency

For the following instrument, I need to change the volume of one harmonic, where its frequency is not static. Please see the image for example. If I wanted to give Number 3 a +6dB boost, I could not ...
aspiringSoundDesigner's user avatar
1 vote
1 answer
400 views

Why can I hear this beep at 6 kHz and others cannot?

During a studio recording, I heard a beep and paused the recording. I played it back and neither the actress, sound technician, or assistant director could hear it. I imagined that it could be the ...
emonigma's user avatar
  • 255
1 vote
1 answer
366 views

What's the lowest analog audio sound that a CD/44.1kHz audio system can make?

CDs, and other 44.1kHz sampling audio systems, can produce a maximum sound frequency of 20khz in the analog audio range (I'm not sure how the maths goes, but that's apparently true). My question is, ...
Protofall's user avatar
  • 115
1 vote
1 answer
4k views

How to shift frequency of whole audio file?

How can I shift the frequency of a whole audio file. So as if there was a sound at 500 Hz and I wanted to shift the audio by 50 Hz, that sound would then be at 550 Hz, and a sound at 1000 Hz would be ...
lnicf's user avatar
  • 13
1 vote
1 answer
91 views

Vocal Microphone: How critical is published frequency range?

I'm looking to acquire a vocal microphone for a bass singer who can hit a reliable F1 (about 44 Hz). Points where the singer reaches down to this F1 would be some of the highlights of a performance. ...
Kirk Hansen's user avatar
1 vote
1 answer
270 views

What is the true definition for the length of a pulse (impulse-type sounds)?

What defines the length of a pulse (impulse-type sounds)? i.e. snaps, pops, crackles, bangs, bumps, and rattles. The following 4 pulses are all white noise sustained for 37 ms, but each pulse has a ...
Taras Palczynski's user avatar
1 vote
1 answer
220 views

What would cause a recording to have a completely symmetric frequency plot?

I'm developing software that receives PCM audio data and converts it to a WAVE file. The audio stream has the following characteristics: 16 bit signed integers 6000 frames sent every 1/8th seconds, ...
Noraboutme's user avatar
1 vote
2 answers
1k views

Bubbly/Wet Sounds with FM synthesis

Here's an example: (wet/bubbly sounds all throughout, particularly in first 10 seconds) I'm wondering if anybody knows any tricks on producing these kinds of sounds, ...
Alfred Young's user avatar
1 vote
1 answer
140 views

How to calculate our hearing frequency

If we have an object which produces sound with approx. 120 kHz (i.e. bat). And let's say that we record this sound with sample rate of 44,1 kHz (assuming that we do not know about Nyquist theorem). ...
guest_of_stack's user avatar
1 vote
2 answers
242 views

Maximum frequency of monaural beat frequency?

If I am attempting to make a monaural beat from two frequencies by playing two frequencies with equal amplitudes simultaneously, what is the maximum difference I can have between those two frequencies ...
user2649681's user avatar
1 vote
0 answers
26 views

Using Phenyx Pro IEM system 500 MHz in Italy [closed]

I want to use my Phenyx Pro IEM PTM-10 system for my band when we play at a wedding in Italy 2024. The frequency range is 555-575 MHz. Would anyone be able to tell me if I can use this without a ...
Ben Glasser's user avatar
1 vote
0 answers
146 views

7 band EQ frequencies for full-track playback?

I used to have a Mackie analog mixer, but I've switched over to using a midi controller (Launch Control XL), and I'm not limited by the 5 bands that existed on the Mackie (low cut, 80, 250, 800, 2500, ...
neaumusic's user avatar
  • 292
1 vote
3 answers
272 views

From simple to advanced mix techniques

In a few words, I know how to mix a fairly simple track (drums, bass, guitar, vocals...). This means that I know how to blend things together because each "instrument" is quite easy to isolate in ...
morgi's user avatar
  • 185
0 votes
4 answers
4k views

Formula for the sound pressure of a pure tone

What is the formula for the sound pressure of a pure tone of 500Hz, ex-pressed as a function of time?
user avatar