ActionScript 3.0 :: Sound.extract In Flex Builder?
Dec 26, 2009
I'm using Flex builder to work on my flash project, and after reading this article about manipulating sounds using Sound.extract() I got very excited.So I wanted to get using it, but as far as Flex builder is concerned, the sound class doesn't seem to have an extract function, and causes an error if I try.I've downloaded the latest milestone SDK (3.5) and updated the eclipse system (I'm on a mac), but it still doesn't want to recognise the existence of Sound.extract(), even though the function appears withi
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Aug 15, 2011
I'm trying to rig up a basic mp3 cutter in Flash (using the Flex framework)I have gotten so far:
var ba:ByteArray=new ByteArray();
sound.extract(ba, playEnd - playStart, playStart);
This extracts the relevant bytes from the sound object and stores them in ba Then, I do this:
saveFile=new FileReference();
saveFile.save(ba, sound.id3.artist + " - " + sound.id3.songName + ".mp3");
The file saves properly, but it can not be played (Players say it is corrupted) how I can create a valid mp3 file from the byteArray obtained after the extraction?
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May 20, 2011
I am using the following to extract the byte info from a sound object - however if I go back to the same sound object and run this again, The byteArray has no bytes available.
var data:ByteArray = new ByteArray;
sound.extract(data,sound.length*44.1);
data.position = 0;
return data;
Is this the correct behavior? Is there not a way to do this multiple times on the same sound object?
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Nov 11, 2009
I'm having some trouble getting the following code to work - trying to use the new Sound.extract() function to get two seconds of a Sound into a ByteArray, and then create a new bytearray with a WAV header, and then output the file. The resulting 'test.wav' file sounds very wrong although slightly recognisable? I think I may have some of the WAV header settings may be wrong but I'm not quite sure what's the matter and after a long time scratching
[Code]...
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Aug 1, 2011
I'm trying to play a sound using a technique found here (play the sound by sampling raw sound data gathered from the original with extract()), with the difference that the mp3 sound is embedded in the swf, not loaded externally. This is my code:
var soundBytes:ByteArray = new ByteArray();
var mp3sound:Sound = Sound(new Sound1_design()); // this is the embedded sound
mp3sound.extract(soundBytes, int.MAX_VALUE);
[Code]....
This works, in a way, except that the resulting sound is distorted (it has a kind of a metallic ring).
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Jan 30, 2010
There is an .fla file that has a sound wave in it's library. However I do not have this sound wave saved on my computer so I can not edit or open this sound in another application. I was wanting to know if its possible to extract this *.wav file from out of the fla library? I did some research and they said to goto export movie and export it as an *.wav file. However I tried this it exported the whole fla file as one big *.wav dud. I tried to play it and nothing happened which makes sense.
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Oct 15, 2010
converting a Sound object into a WAV file (bytearray). The main issue is I need its samples to be 16-bit per channel, and Sound.extract() returns 32-bit floats (per channel).After that I was going to add the wav headers and write the bytearray to disc. I'm widely surprised for not having found an example of it working on the web
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Jun 29, 2010
When I extract the bytearray of a sound file I get the raw audio data. Is it possible from that raw audio data to get the decibels?
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Jun 7, 2011
i would like a method to do this.I have a video mp4 play with flvplayback with soundi would like to play sychro mp3 music file with videoBut video have an audio and i would like to keep my audio too.Then how can mix the audio of my mp4 with audio of my mp3?
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Sep 8, 2010
I'm picking up Flash and AS3 after working with AS1 a few years back. My first project is a mp3 player that is able to take an mp3 file, a start loop point, and an end loop point to loop the mp3 without any gaps or breaks in the sound.
blog.andre-michelle.com/2010/playback-mp3-loop-gapless
I found this page that got me started, and went off of that code. The resulting player works perfectly except for one fatal flaw. As far as I know, the mp3 file must be fully loaded to be able to use the Sound.extract method on it, this can take a while when the files are 3-4 MB, especially on slow connections. I want to be able to have the audio start playing as soon as the mp3 file begins loading.Is there any way to use the Sound.extract method on a streaming audio file that has not fully loaded yet?
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Mar 19, 2009
I'm trying to match the behavior of SoundMixer.computeSpectrum() by using the new Sound.extract() method, so that I can draw music visualizations for separate Sound objects at once. As you know, computeSpectrum() samples the currently playing audio and copies it to a ByteArray. Sound.extract(), on the other hand, copies as much of the Sound as you want to the ByteArray, and does not require the Sound to be playing at the time.
With the Sound data extracted to a ByteArray, I know have about twenty-six thousand floating-point values representing the waveform, from start to finish. However, I'm only interested in about thirty-two of them at a time- the last thirty-two that were played. How do I determine where in the ByteArray that would be?
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Jun 30, 2009
I'm trying to match the behavior of SoundMixer.computeSpectrum() by using the new Sound.extract() method, so that I can draw music visualizations for separate Sound objects at once. As you know, computeSpectrum() samples the currently playing audio and copies it to a ByteArray. Sound.extract(), on the other hand, copies as much of the Sound as you want to the ByteArray, and does not require the Sound to be playing at the time.
With the Sound data extracted to a ByteArray, I know have about twenty-six thousand floating-point values representing the waveform, from start to finish. However, I'm only interested in about thirty-two of them at a time the last thirty-two that were played. How do I determine where in the ByteArray that would be?
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Mar 12, 2010
Do any libraries exist with this functionality?
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Mar 17, 2011
I'm using the following to extract the sound data from a sound object and store this in a byte array.
I require that the entire mp3 be loaded into the bytearray before advancing and the below works fine for this purpose however flash temporarily hangs while it extracts this data (2.4mb mp3)
Is there a way i can stop it from hanging i.e. use an eventlistener to check the progress of the extract process?
[Code]...
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May 29, 2011
I'm trying to create a visual waveform for an MP3. The code I've included is called on successful load of the MP3. I intend to extract just a few important samples from the sound to create the waveform, rather than extract the entire sound into a bytearray. Even on a good machine, extracting an entire song can cause flash to freeze up for 3-5 seconds (or longer!). For my purposes, this isn't feasible.
Unfortunately, the code I've got below is failing to produce any numbers. If I extract the entire song it functions, but extraction of just the key points is giving me nothing. Does performing an extract make the remainder of the sound object invalid for future extracts? If so, is there some way around this that won't freeze flash for an extended period of time during the extract? Some important variables from the rest of the code:
[Code]...
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Aug 27, 2011
From this AS3 code I expect 500 lines of trace outputs that contain "2048". But instead I get only some lines containing "2048". The rest of the traces print a "0" which shows me that the extract() method did not return any data.
Why is this the case? I would like to iterate through the soundfile with a specific amount of steps to extract 2048 bytes of the sound at the respective position. Extracting the entire soundfile at once would freeze the flashplayer for seconds and is therefore not a good solution for me.This behaviour can be found as long steps is smaller than samplesInSound/2048.The closer it comes to that value, the more lines with a "0" are printed compared to those with a 2048 in it.
var sound:Sound = new Sound();
sound.load(new URLRequest("soundfile.mp3"));
sound.addEventListener(Event.COMPLETE, soundLoaded);[code].....
I had the idea that the extracted part of the soundfile is cut out of the rest of the soundfile after extracting it (like at Actionscript 3 - Sound.extract method empties sound object data), so I tried out another for loop:
for(var i=0; i<samplesInSound - steps * 2048; i += Math.floor(samplesInSound/steps) - 2048) but this didn't work out either.
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Jan 29, 2009
how to convert bytearray of samples from Sound.extract to bytearray of mp3 file? I want to save editied mp3 to user's local disk.
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Jan 4, 2011
any thoughts on how to extract the audio from a movie? Pitch shifting is do-able to this article:But the code uses the Sound class.I've NO idea how to go about extracting the audio from a movie/FLVPlayback
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Mar 24, 2010
I have installed Flash CS4 upgrade successfully with Flash CS3 full. I have also installed Flash CS3 full and then CS4 upgrade, but it made no difference. I cannot test an example that uses sound.extract() method. When I test the movie, I get an error message stating "Call to a possibly undefined method extract through a reference with static type flash.media.Sound".
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Apr 6, 2011
I'm trying to do something simple: send a byteArray to a C library, fill up a buffer and read the memory, but I think I have float conversion problems.
Here is what I do in AS:
var memory:ByteArray = gstate.ds;
// get sound
var soundBytes:ByteArray = new ByteArray();
_source.extract(soundBytes, 4096);
[Code]...
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Jan 18, 2012
I'm trying to prepend the byte array of a sound object to a captured microphone sound byte array.
It works, but the extracted sound object get pichted down and doubled in length. I guess this is because the byte array of the sound object is in stereo, while the mic byte array is in mono.
I have this:
sound.extract(myByteArray, extract);
myByteArray now contains the stereo data. How can I turn this to mono
UPDATE:
Here's a working solution:
existingByte.position = 0;
var mono : ByteArray = new ByteArray();
while(existingByte.bytesAvailable) {
[Coe]....
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Oct 6, 2009
I just upgraded to Flash Builder 4 (beta 2) from Flex Builder 3 which I have been using since it came out. Problem: All the projects that were in my workspace from Flex Builder 3 did not carry over into Flash Builder 4 (e.g. in the "Flex Navigator" view if FB3). Flash Builder 4 now uses the .FXP format to manage projects, but Flex Builder 3 did not. Is there an easy way to get all my projects back into Flash Builder 4?
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Apr 21, 2010
Does anyone know if there is a way to make the new Package Explorer window in Flash Builder emulate Flex Builders 'Flex navigator' window?
Bottom line is I don't always need to peer into SWC's, and I don't like having a 'default package' automatically created for me. Not sure why the interface wasn't made simpler, allowing access to more power and complexity only if necessary. I want to focus on the code, not on how to navigate and use the bells and whistles in the coding environment.
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May 25, 2010
When setting up a source control repository for a Flex Builder workspace, what do you consider to be worth checking in? Do you exclude the workspace .metadata folder but keep the .project and other project specific files? Keep both? Throw away both? Is there a guideline you use to decide which is worth holding onto or do you do it out of practical experience?
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Nov 28, 2011
I am trying to migrate a project from Flash Builder 4.0 to Flash Builder 4.5. After Flash Builder prompts me to choose my new SDK, I choose 4.5, Then I get the following error:" error "The required skin state 'disabledWithPrompt' is missing".
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Mar 23, 2011
I am currently making a Flash Builder Project using Actionscript 3. I have come unstuck trying to embed and play MP3 sounds.I know that the MP3 file is loading as i have traces the bytes loaded, i have also traced the function which plays the MP3.
import flash.media.Sound;
public class Sounds
{[code]....
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Mar 4, 2010
I'm using an auto complete component and a labelFunction so that user have the ability to search by their name or id. Once the search is completed I'd like to extract the data to a query.
The only problem is that I only need the name or id for the query not both, so I'd like to pull from just the id variable...
Currently if the user types - Joe or if they type - 13
Both would return a result of Joe - 13 via the auto complete component.
I'm using a dash - To separate the results visually. So I'd like to know if theres a way to extract text from a text field up to a certain character in this case a dash.
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Feb 25, 2011
I am working on Flex Project using Flash Builder 4. I want to load swf (that has been made using flash CS5 and it contains about 150 movieclips in library, nothing on stage). Now I want to load its Movie Clips in flex? How to do it?
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Apr 5, 2011
I've got a suite of unit tests for my project (pure AS3), and they all work brilliantly outputting standard JUnit XML to the trace output window. However, when I tried to get my test suite running on our continuous integration server I ran up against a wall.Flash is a sandboxed beast, isolated from the file system. I can't see an intuitive way to get this generated JUnit XML in to our CI software so it can be verified as passing.
I've taken a shot at implementing the approach shown in Continuous Integration with Flex,but it relies on reading trace output logged to flashlog.txt that is prone to failure on many fronts (debug player must be installed, flashlog.txt must be created, mm.cfg file must be configured properly). Also, I find that some of the time it fails to find the results in the flashlog and the build fails despite all the tests passing. This could be because I have too many tests and some are being pushed out of the log file.
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Sep 27, 2011
How do I extract more than one email from a paragraph and output the result to a console?
var pattern:RegExp = (/^[-._0-9a-zA-Z]+@[-._0-9a-zA-Z]+[.]{1}[0-9a-zA-Z]+[.]?[0-9a-zA-Z]$/i);
var asd:String;
asd=tt.text;
trace(asd.match(pattern));
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