Questions tagged [analysis]

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7
votes
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?
5
votes
4answers
2k views

Options for unmixing sounds (source separation)?

Which solutions (standalone or plugins) exist for unmixing/de-mixing sources? Lets say I have a track with acoustic guitar and string synth in mono, and I want each source separated. Which tools ...
4
votes
1answer
10k views

Are there any VST audio to MIDI plugins?

In Pure Data / MAX/MSP etc. there's are objects that can take in an audio signal and output a control signal with the frequency. (So you can whistle a tune into the mic and have a synth play it.) Are ...
4
votes
3answers
137 views

Can you help deconstruct this SFX?

I'm struggling to figure out how to recreate a specific sound effect. It's the prize bubble collection noise from the video game LittleBigPlanet 3. There are several varieties but a cohesive overall ...
4
votes
1answer
98 views

Is there a way to synthesize somebody saying “Aah” like in melbourne bounce?

I have recently been listening to a lot of Melbourne Bounce and I was wondering how the producers of that music make the human-voice-like leads. So I fired up my DAW (Ableton) and started ...
3
votes
2answers
694 views

Looking for good resources regarding film analysis

Hi everyone, I'm currently doing a paper at university in film music, analysing the composition & sound design of various films. We've been assigned to groups & ours has decided to analyse ...
3
votes
1answer
125 views

How can resynthesis engines be so accurate despite the time/frequency resolution trade-offs inherent in Fourier analysis?

I'm looking at Harmor specifically, but my question is about resynthesis in general. I assume that Fourier analysis is how these engines break a sound down into its constituent partials with frequency,...
3
votes
4answers
2k views

Which spectrogram shows higher quality of the song?

I have two spectrograms of different copies of the same song. I just wanted to know how to tell which one has a greater quality than the other. Could someone help me? I think that the first one has ...
1
vote
3answers
310 views

Catfish - Can we tell from the sound if it's real or not?

I watched the excellent documentary, Catfish. The sound was done by Coll Anderson. There's debate as to whether or not it is real. I wonder if we can tell from the sound if it is or not. [spoiler ...
1
vote
5answers
391 views

Waveform comparision, similarity detection software?

I am trying to find a software that can compare several waveforms together and extract the similarities between them. Basically, I have a few pieces which have been generatively composed and I wish ...
1
vote
3answers
101 views

Automating soundcheck: Can I get volume of an instrument from a live band audio GIVEN that I recorded the live mic input?

Let's say, during a live performance I save the mic input of every instrument and vocals. I also record the speaker output from the crowd. Can I extract the volumes of the individual instruments ...
1
vote
1answer
47 views

Dimensionality reduction for visualization purposes - “Sound map”

I'd like to know how recordings of many various sounds can be analyzed to allow for visualizations in two dimensions. My idea would be to find two data features (e.g. using principal component ...
1
vote
1answer
73 views

Pitch analysis in Audacity

For documenting and practicing music/ recitation styles, I wanted the kind of pitch analysis I see in this tweet: https://twitter.com/pattaprateek/status/1187095197911404545 How do I get something ...
1
vote
1answer
80 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, ...
1
vote
1answer
615 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
vote
2answers
999 views

Converting audio recording to numeric values representing how loud the audio is at a given time

Warning: Complete audio beginner Background: I have audio recordings that were recorded through a mobile device using an app. I need to write a program that takes the audio and finds periods of ...
1
vote
1answer
4k views

How to find a specific sound in the audio track if i have a sample?

So i have this file which is all talking people and beep sounds. The beep sound is always the same and i need to mark every place where it plays. It would be great if it's possible to do with Audacity....
0
votes
2answers
395 views

Which acoustic spectogram shows higher quality of audio file?

I have three acoustic spectograms of different copies of the same song: MP3; 320 kbps; 9.20 MB M4A (AAC); 256 kbps; 7.46 MB; Converted from 1. audio file via iTunes M4A (AAC); 225 kbps; 6.87 MB ...
0
votes
3answers
1k views

How Do You Analyse A Film or Game For It's Sound Content?

I've heard and read about how recording/mixing engineers in the music business analyze each others mixes to learn the techniques used to make a certain track sound so good or what the latest trend/...
0
votes
1answer
260 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 ...
0
votes
2answers
227 views

Frequency modulation in frequency domain

How would I calculate the amplitudes, phases, and frequencies of the harmonic peaks resulting from frequency modulating (and/or phase modulating) a waveform stored in frequency domain representation? ...
0
votes
0answers
17 views

is there any software to detect a specific voice out of many, from an audio file?

I'm working on a machine learning project, where you take voice recordings and teach a model, to speak as that person. That project have a perfect sound dataset and not what I'm asking about here. (...