signal-processing

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Comparing audio recordings

I have 5 recorded wav files. I want to compare the new incoming recordings with these files and determine which one it resembles most.[详细]

2023-03-28 05:14 分类：问答
API to break voice into phonemes / synthesize new speech given speech samples?

You know those movies where the tech geeksrecord someone\'s voice, and their software breaks it into phonemes? Which they can then use to type in any phra开发者_如何学编程se, and make it seem as if th[详细]

2023-03-27 12:08 分类：问答
Given MP3, is it possible to break out different instruments using Fast Fourier transform (FFT)?

I am working on a music visualizer and I\'d like to display a different visual element for each instrument.For example, blue bar representing vocal, red bar representing guitar, yellow bar representin[详细]

2023-03-27 05:54 分类：问答
Delay Sum Beamforming in Python

I am trying to implement a simple delay-sum beamformer using a 4 Microphone Array. I am using MATLAB at the moment, which ha开发者_如何转开发s an inbuilt Signal Processing toolkit that is quite helpfu[详细]

2023-03-25 22:00 分类：问答
Discrete Cosine Transformation formula disparity

Well, I was programming something 开发者_开发知识库that required the use of DCT. I found 2 resources for the DCT formula:[详细]

2023-03-25 08:45 分类：问答
Converting from one MFCC type to another - HTK

I am working with the HTK toolkit on a word spotting task and have a classic training and testing data mismatch. The training data consisted of only \"clean\" (recorded over a mic) data. The data was[详细]

2023-03-24 06:34 分类：问答
How to play a wav file on high frequency?

Do you have any idea on converting my wav audio d开发者_运维技巧ata to high frequency playback.[详细]

2023-03-24 05:53 分类：问答
Matlab - Signal Noise Removal

I have a vector of data, which contains integers in the range -20 20. Bellow is a plot with the values:[详细]

2023-03-24 00:20 分类：问答
Tutorial on Autocorrelation? [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely solicit debate, a[详细]

2023-03-22 15:52 分类：问答
Understanding FFT output

I need some help understanding the output of the DFT/FFT computation. I\'m an experienced software engineer and need to interpret some smartphone accelerometer readings, such as finding the principal[详细]

2023-03-20 23:58 分类：问答