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Questions tagged [analysis]

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Is there a way to display Lissajou curves (o'scope XY mode) in Audacity?

Is there a way to display the phase shift between LR channels in Audacity, e.g. using the classic Lissajou curves (o'scope XY mode)? I can pipe the sound to Supercollider, where this is trivial to ...
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1answer
183 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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2answers
160 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 ...
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4answers
1k 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 ...
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1answer
330 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 ...
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4answers
91 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 ...
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3answers
69 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 ...
4
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1answer
92 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 ...
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4answers
1k 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 ...
3
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1answer
116 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,...
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1answer
3k 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....
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2answers
683 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 ...
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1answer
8k 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 ...
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3answers
134 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 ...
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2answers
203 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? ...
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3answers
966 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/...
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3answers
291 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 ...
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2answers
689 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 ...
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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?