Questions tagged [frequency]

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609 views

44100 Hz encoded in 24bit vs 16bit

I'm learning the basics of audio recording and mastering and I was thinking to some of my purchased audio collection. I have some assumptions that I feel may be incorrect or incomplete and would like ...
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2answers
59 views

Microphone with wider frequency range or higher sensitivity for better qualtiy?

For instance I've put my eye on two mics (cardioid condenser ones). One has -90dB sensitivity and frequency range of 20 - 20 000 Hz. The other on has -46dB sensitivity and frequency of 50 - 15 000 Hz....
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1answer
47 views

Recording sound and getting the frequency of any given point

Not entirely sure if this question goes on this site, but I think it covers this one more than the others. I need to record some audio of human speech and find the frequency of the audio at least 100 ...
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1answer
39 views

Change audio's frequency, but still sound similar

I have some WAV format audio files with a frequency of 48Khz and I want to load them into the program I'm making. The program however only accepts up to 44.1Khz (CD music quality) due to hardware ...
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2answers
347 views

Subliminal messages in MP3

I have purchased a set of MP3 files (with classical and binaural music) that claims to have embedded in them messages at a frequency that people cannot hear -- i.e., subliminal messages (these are for ...
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2answers
73 views

How do you change the equalisation of an individual song/audio?

I've been looking for weeks, and I have nowhere else to turn to. I really thought this would be very simple to find, but I'm looking for any type of software that has a 5 band equaliser, that allows ...
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1answer
80 views

standing waves in strings

this is for my acoustics and sound lab and I am lost. please help! The length of the smallest string on a piano is about .15 m long and has a frequency of 4186 Hz. The lowest note on a piano has a ...
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1answer
275 views

Audio spectrum analysis: PC Software vs Hardware Spectrum Analyzer

I need to do some audio spectrum analysis (basically, listening to a machine and tell if it is properly calibrated). I will record the sound it makes with a microphone (it sounds differently if it is ...
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1answer
293 views

Intensity, amplitude, frequency, and perceived loudness

If we were to measure loudness solely as a property of amplitude, then high frequency sounds, which contain high energy, would have the same value as low frequency sounds, which contain low energy. On ...
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2answers
75 views

How much sound quality will I lose using a headphone which works only with frequencies above 80Hz? [closed]

I don't mean like... voice messages, but, music! Specially blues, metal and rock which tend to have lower pitch tones.
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2answers
271 views

Frequency modulation with sound instead of radio waves

I would like to be able to hear a simulation of what the actual radio waves sound like, should I be able to hear them directly. I understand the math of frequency modulation, and am willing to make ...
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1answer
58 views

Automatic EQ creation to get similar frequence response from two sources?

Is there some kind of plugin / tool (preferably ladspa, lv2 or at least open source) to compare two recordings of an identical source, done with two different mics & recorders and create an ...
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2answers
215 views

What frequencies does the master volume increase?

If standard eq knobs on a stereo boost or cut the amplitude of specific frequencies does the volume knob adjust the amplitude of all possible frequencies? Is there a range of frequencies different ...
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1answer
300 views

Do you ever use Frequency Shifter plugins and how

Do you ever use frequency shifter plugins and how??
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0answers
13 views

What amplitude ratio to achieve “sound pressure level” ratio?

I would like to create a sound with three sine waves. The first sine wave is the fundamental frequency (f0), the second wave is a harmonic (f2), the third is also a harmonic (f4) of the base frequency....
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0answers
12 views

Speed of sound for a moving oberver [duplicate]

A person is moving away from the source, with a speed equal to the velocity of sound propagation. Will the person hear any sound produced by the source?
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0answers
59 views

What is this empty space in this spectrogram? I have this is some lossless high kHz files

I have this with some albums. Is this something to worry about or is this normal? Or am I missing out on something?
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0answers
24 views

Logic EQ creates frequencies

This is probably something standard but it's the first time I encounter it and I don't really know where to find an explanation. Let's say I produce a sine wave at e.g. 440 Hz on Logic. If I then ...
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1answer
48 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 ...
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1answer
157 views

Is a shorter range frequency response better for audio quality

So i'm a designing a speaker system and im choosing between two midrange drivers: Tymphany TC9FD18-08 3-1/2" and Peerless SLS-85S25CP04-04 3-1/2" the frequency responses are 100 to 20,000hz and 70 to ...
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6answers
2k views

How do I shift the frequency of a track by x Hz?

I have been meditating using binaural beats for some time. I was wondering if the effects could be achieved by using an audio track instead of a static noise. My idea was to take a song, convert it ...
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1answer
374 views

Sync audio -Harmonics of sync (not frequency)

I'm clocking in some freebie hours, re-aligning audio for a project that was butchered with plural eyes program and I'm seeing patterns of sync that remind of of the harmonics after a Fundamental ...
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1answer
106 views

Is it possible to seperate an audio file into each frequency of it automatically?

So lets say I have an audio file, "hello.mp3". I want to split this file into all of its frequencies, so if the audio file contains 12hz, 412hz and 200hz, I get files containing those frequencies.
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1answer
92 views

How do I fix the frequency of my audio?

I am editing some audio files of an existing game. The current frequency rate Im using is 6500hz and the music sounds pretty bad. P. D If I use 44100hz there will be a lot of noise. I am using ...

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