How to extract frequency range from a Wav file?

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How to extract a specific frequency range from a .wav file?

I'm really new on sound processing, so maybe my question will be trivial. What I want to do is to extract a specific frequency range (let's say 150-400 Hz) from a wav file, using R. In other words, I want to create another wave file (wave2) that contains only the frequency component that I specify (150 to 400 Hz, or what else). I read something on the net, and I discovered out that this can be done with a FFT analysis, and here's come the problems. Suppose I've this code: library(sound) s1 <...

Answer:

Maybe I missed the point, but don't you already have your answer? From your post: order(Mod(x)[1:22...

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Tommaso at Stack Overflow Mark as irrelevant Undo

Other solutions

Is there any way to know if an audio file was coded from a lower bitrate?

For example if a 320 kbps mp3 file was coded from a lower bitrate like 128 kbps. Or a .WAV file that was coded from a lossy format like 320 kbps mp3. I was thinking if there is a free program out there that would analyze an audio tracks frequency range...

Answer:

No there is no program to check this, but you can easily tell the difference between them if you have...

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Steven at Yahoo! Answers Mark as irrelevant Undo

Can I extract an mp3 file from wav?

I'm not sure if you understand what I'm trying to ask... well it's like converting wav to mp3. Is it actually possible?

Answer:

Yes you can by using a converter. The MP3 to WAV converter provides optimized settings which can be...

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vince at Yahoo! Answers Mark as irrelevant Undo

How to create a macro to extract data from multiplefiles and save into antable

QUESTION: Good day I am new tomacros. I have approximately 60 files (with the same template form) updated every week where I need to extract information from each file for the designer's name in cell G6 and drawing # from cell A11 to A??, whatever the...

Answer:

r.offset(0,1).copy copies data from column C (as you have revised the code). If you want to copy data...

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Miningco.com Mark as irrelevant Undo

How can I extract data from a Microsoft Project 2003 XML File to a text file?

I am in need of suggestions on how to quickly go through an XML file and extract certain data from the file.  The XML file I am using is one that was generated from Microsoft Project 2003.  I need to extract specific parent and task information from...

Answer:

Also would suggest XSLT. See some tutorials here: http://www.w3schools.com/xsl/def... Also may want...

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John Sommer at Quora Mark as irrelevant Undo

Do all speakers need to be the same size and carry the same frequency range in a home theater set up?

I am in the market for creating a home theater system. I have found some speakers that I like but I am not sure if they will work with my a/v reciever. The speakers are as follows: Fronts, E-710's{frequency range-38HZ to 20KHZ}, Rears, E-78's{frequency...

Answer:

Okay, to give you a direct answer to your question, no. The most important criteria for a good HT set...

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kbad26@v... at Yahoo! Answers Mark as irrelevant Undo

How can I combine a number of (timestamped) wav files into one long file?

I have a number of wav files, timestamped as hhmmss.wav and would like to combine them into a single file with all of the clips at their correct (relative) positions. Does anyone have any ideas of how to do this? Detail: I am training to be an Air Traffic...

Answer:

I think you can do this with avisynth, although i've never tried it. It basically is a non linear video...

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d7415 at Ask.Metafilter.Com Mark as irrelevant Undo

Im trying to unzip/extract files with exe file in it....and wont extract?

i am trying to extract a rar file with files and one exe file in it.......all the files will extract apart from the exe file......all the antivirus softwares are turned off and i dont know what else is wrong with it

Answer:

The .exe file is most likely an install file or it could be a self extracting archives. Double click...

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Sammy at Yahoo! Answers Mark as irrelevant Undo

Does a larger frequency on a baby monitor extend its range?

We have a new baby and very large 3 story house. The baby monitor has a 150 meter range and 2.4 GHz frequency. The monitor goes out of range just a few feet before our bedroom. If I get a baby monitor with a greater frequency, will that increase the...

Answer:

you need to go to the link and read it tells all. Merry Christmas

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Mary Jane at Yahoo! Answers Mark as irrelevant Undo

MIDI to WAV file conversion software or other options

I have searched Cnet and ZDnet for a file conversion software program that converts MIDI files to WAV files and have had no success. I need to be able to take a downloaded MIDI file and either convert it to a WAV file or find a MIDI player that will...

Answer:

Hi, I remember wanting to do the same thing a few months ago. Ultimately I discovered that there hardware...

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mojomo-ga at Google Answers Mark as irrelevant Undo

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