Questions tagged [spectrum]

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1answer
40 views

Logically ANDing two tracks together

I have two audio tracks, X and Y, which are similar, but both have things added to them. I want to take X and Y, and produce a new track Z with only the lower value of every frequency of each track ...
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1answer
242 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 ...
3
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2answers
1k views

How to create an audio file from a spectrogram?

Is there any program for this? I can not find anything for this
2
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1answer
447 views

MP3 Psychoacoustic Cut-off Frequencies for Low-Bitrate Presets

I've only seen frequency cut-off estimates for higher quality recordings. I'm interested in low bitrate frequency cutoffs: 24 kbps 32 kbps 40 kbps 48 kbps 56 kbps 64 kbps 80 kbps 96 kbps I have a ...
-1
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2answers
96 views

Why does this spectrorgam look so jagged?

While I was testing out the "Stereo Mix" tool on Windows 10, I had noticed that the output of Spek (after I rendered the audio file in Audacity using "Insane, 320kbps" preset and Joint Stereo) looked ...
0
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1answer
44 views

What's the name for the type of x-axis scale used in frequency graphs?

I'm talking about the way the spacing between frequencies typically shrinks as the x-axis increases on frequency graphs. For example, in the graph below, the leftmost (labelled) x-axis interval ...
2
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1answer
42 views

Why is there noise in my spectrum analyser despite having no external devices plugged in?

I'm using a spectrum analyser to see the harmonics of various instruments so as to recreate their tone (or approach it) with additive synthesis. I've found that it detects some noise at around -100 dB,...
1
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4answers
630 views

Is it possible for two identical waveforms to have different spectrograms?

Is it possible for two identical waveforms to have different spectrograms ? I am rookie in this field so please pardon if something is wrong with this question.
0
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1answer
846 views

Frequency distribution graphs in music

I'm quite a newb when it comes to anything audio-related but am playing with programming a spectrum-visualiser. I chunked the signal into 50 bars, each representing another frequency-band. One thing ...
1
vote
1answer
470 views

How lossless is my lossless music?

I have ripped an audio CD using iTunes and saved it in Apple Lossless format. I used Spek to draw a specrtogram and here is the result: My first question is, why doesn't it go all the way up to 22 ...
0
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2answers
288 views

What are the distorted sounds in 2 - 5 kHz range?

I have an mp3 128 Kbps music file with particular parts where a series of single note only on a cello is played initiated with a bell click. Less than a second after a bell click and cello note ...
0
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2answers
1k views

Compare two recordings

I record myself saying the word "titillate", followed by a very nice recording of the same word which I found from the internet and which I hope my voice can be trained to be as closer to ...
1
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2answers
518 views

Osx Spectrum analyzer/metering standalone

I am looking for a Spectrum analyzer / metering app for osx that can run independent of my DAW on everything i listen to via system audio. Something that can always sit on a second monitor. Any ...
4
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3answers
809 views

Does this sound wave of a voice-over track look normal?

I got some voice over files today from a new studio, and my co-worker was confused as to why the sound wave looks like this. His concern is that the wave should be pretty even above and below the -∞ ...
1
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4answers
4k views

How do you edit out wind?

I'm using a Sony MZ-M10 with the stock mic, and a sock wrapped around it (not much wind protection). I just recorded the recycling truck making its rounds, but the wind blew just before it drove off. ...
7
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8answers
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?