Objective C :: What Language/API To Use For A Standalone Live-input Audio Visualizer App
Mar 24, 2010
I develop with Actionscript and was glad to see that AIR 2.0 was going to give access to mic input data. I planned to use this to create a visualizer set to the tempo of the incoming live audio. After doing a few days of google research it seems unlikely that it will be possible to analyze the data of the mic input in Flash/AIR. If anyone has ideas on how I can achieve this in AIR please let me know. (I'm open to workarounds.)Run on OSX Two windows - one that can go fullscreen while the other(controller GUI) stays put Able to access live mic input data I've done reading on FFT and understand what needs to be done on the sound side so no need to help with that.
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Oct 24, 2011
I am unable to view the majority of the downloadable standalone ActionScript 3.0 Language Reference.To replicate:
1) Download the file from [URL] ndalone.zip.
2) Expand the zip, open the resulting folder and open the index.html document in your web browser.
3) Pick any filter link you desire from the choices on this page. Notice that the package and class filters in the header continuously display "Retrieving Data from Server..."
4) Click on the Classes link in the header at the top.
Result: The class list displays only momentarily, then completely hides.
It would be great if there was a way to completely circumvent the filters. There appear to be several missing linked elements in the download, such as en_US/shared/ahpods/AHPod.js.
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Feb 13, 2011
I created my own custom audio visualizer in as3 a while back and it all worked perfectly fine, but since the update of Chrome in the past week it has stopped working.I think it could be the use of SoundMixer, compute Spectrum or ByteArray that is causing Chrome to block it. Most likely due to security reasons.Has anyone else had a problem viewing as3 audio visualizers in Chrome. I've uploaded my visualizer, so can you try and see if it works URL.
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Sep 15, 2011
I want to make simple project which play flash video file from online. I've searched some articles and read carefully. But I can't understand, how to play flash video files on iPad by Code.
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Feb 3, 2011
In my Cocoa app, I want to prevent Flash from loading in a WebView, and let the user decide if the Flash should be shown for each page. (That's the same behavior already available through the ClickToFlash plugin or Safari extension. Bundling any of those extensions is probably not an option because of licensing issues.)Unfortunately most of the Flash I'm trying to avoid is generated from embedded JavaScript specifically designed to prevent easy flash blocking, so I cannot filter the raw HTML for inclusion of Flash objects.Also, I cannot disable JavaScript for my WebView, as the page I want to display looks completely different when JavaScript is turned off.Is there a notification/hook I can use to modify the page DOM after JavaScript has been executed, but before the Flash plugin is loaded?
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Oct 6, 2010
I have a game I wrote in Actionscript 3 I'm looking to port to iOS. The game has about 9k LOC spread across 150 classes, most of the classes are for data models, state handling and level generation all of which should be easy to port.
However, the thought of rejiggering the syntax by hand across all these files is none too appealing. Are there tools that can help me speed up this process?
I'm not looking for a magical tool here, nor am I looking for a cross compiler, I just want some help converting my source files.
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Jul 1, 2010
I'm looking to start learning a scripting language for web audio and sound development. It needs to be able to handle simultaneous audio events, eg; to trigger a sound when another is playing (I'm not sure if and how this is possible, but have witnessed this kind of presentation: [URL] (can this kind of thing be done with JavaScipt?, this looks like AS / Flash)).
From what I can tell the choice appears to be between JavaScript (JS) and ActionScript (JS), with details as follows: - If going the JS route (look into JS and HTML(5) audio capability) Learn about the basics of HTML and CSS, and then start to look into JavaScript, Ajax, and JQurey (library / framework for JavaScript). If going the AS route Will not need to know as much about HTML and CSS. AS is the language behind Flash. Not supported on the i-phone(?) I know Java to around an intermmediate level.
[Code]...
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Sep 26, 2011
I use a TextInput component of Flex 4.5 to enter some text in English. I use the restrict attribute to ... restrict the keyboard input to characters a-zA-Z only. The problem is that if i copy/paste a word in another language, i can then paste it into the TextInput component. Is there a way to avoid that? If no, how can i validate the input against a specified language?I found out that the unicode set of Chinese+ language symbols is u4E00 to u9FFF. So i write the following:
var chRE:RegExp = new RegExp("[u4E00-u9FFF]", "g");
if (inputTI.text.match(chRE)) {
trace("chinese");[code].........
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Sep 18, 2011
I want recognize my input text language by AS2.0 for example when my user write persian words or english words
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Apr 30, 2009
i have a text input box in which i want to insert Hebrew (RTL language) text. now, the RTL support i need is basic, and thats easy enough to do. however, for entering hebrew in the box, the user has to set hebrew in his windows language bar. is there a way of making the default input language in the box hebrew, regardless of what is currently set in the language bar? note - the hebrew characters are showing just fine, its just that to enter them you have to make sure the language bar is set to hebrew as well.
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Mar 9, 2011
I need to create a from like this quy.com.vn/dang-ky-mua-q-mobile-quy.html in flash.Can any one let me know how can i type Vietnami language in input text field of flash form ?
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Jul 26, 2010
I have very simple question that is how can i live Audio using flex and save the recorded audio to the client system?is there any way, we can do without any media server or red5?
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Jan 1, 2011
I have downloaded this .pls file from the LiveATC website but flash does not seem to stream this audio file using the code:
ActionScript Code:
var s:Sound = new Sound();
s.load(new URLRequest("kjfk_co.pls"));
[code].....
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Aug 13, 2010
i'm trying to build some kind of online radio. Therefore i'll be streaming audio (mp3) in real time. i have a play-list on my server and the idea is for this play-list to play all day long, but on the client side the user can only do play and stop the music.
The problem is when one music stops and the next one starts i need the server to send not only the new audio but also all the info about this file: duration, author and music name, this way my player can show a play /stop and all the info about the current music playing.Until now i've only come across with video live streaming, but very little information on how to do a live transmission of audio.
ps: the only info on streaming audio that i've found so far is about audio on demand, but the way i want things to happen the client can't chose the music.
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Jul 19, 2010
I'm recording a mono audio stream using a PIC at 8-bit 8Khz and streaming it raw to another microprocessor that houses a web server. I'm currently buffering the data and turning it into a wav file that gets played in the browser. What I'd like to be able to do is continuously stream the audio as it's being recorded without putting a lot of encoding overhead on the second processor. I've been searching but most searches turn up just streaming from a stored file, but since the file size isn't known ahead of time I'm not sure how to do this without the overhead of mp3 encoding.
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Mar 18, 2010
I have an mp3 player, that I would like to add live streams to.
here is an example url of what I'd like to stream. [URL]
is there a way to do that in flash AS3?
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Jul 19, 2010
I need to improve the uptime of a 24/7 live audio stream. Periodically, the connection between FMLE and FMS (3.0.1) is broken and FMLE cannot reconnect. FMLE shows NetStream.Publish.BadName error. How do I prevent this error and get FMLE to automatically reconnect every time? What other measures can be taken to improve the uptime of a live audio stream publishing from FMLE 3.1 (Windows) to FMS 3.0.1? Also, are there any improvements in FMS 3.5 that will help with uptime?
Message was edited by: brian.holderchow
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Sep 4, 2011
I am brand new to flash and AS3, and everything else code related. I've built a simple file with text and audio. The audio is an external file, and it plays with a mouse click. Everything tests fine in flash. I also placed the file in Dreamweaver and previewed in a browser - that's working. But... I've now uploaded the file to a live site. The text shows up but it doesn't play.
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Dec 15, 2011
I'm using Flash Media Server to create a 1:1 video chat. The problem I'm having is that when I use my apple cinema display I get horrible Echoing, even with the reduce echo box checked. If I don't use my cinema everything works fine with the built in macbook mic. I have to believe there is a setting as I can use iChat, Adobe Connect, WebEx, Skype all with my apple cinema and not have this MIC echoing issue.
Our Current Settings:
Audio
var options:MicrophoneEnhancedOptions = new MicrophoneEnhancedOptions();
options.mode = MicrophoneEnhancedMode.FULL_DUPLEX;
options.echoPath = 256;
options.nonLinearProcessing = true;
[Code] .....
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Apr 6, 2009
HI installed flash media server 3.0.4 on a Windows 2003 server.I am using the default LIVE application and broadcasting to it using FME version 3.0 Inside FME I choose MP3 as the audio codec, stereo and 128kbps When I watch the stream everything works fine but after a minute (sometimes 2 minutes) the sound disappears and I can only see the video run.If I refresh the page that contains the SWF that plays the stream then the sound works again but then again after a minute the sound stops and only the video continues to play. It is important to say that this only happens when I play a live stream from a server that is located outside of my local LAN. If I play a stream from my development FMS server in my local LAN this problem doesn't happen using the same SWF and same settings in FME.Moreover, if I use the nellymoser audio codec then everything works fine and this problem doesn't happen also. The thing is that I want to broadcast a live event and it is very important that the audio sounds good (stereo and 192kbps) and if I use the nellymoser codec the results aren't that good.
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Jan 4, 2012
I did a live stream last week using 282,482,832,1500Kbps streams. What would cause the audio to get out of sync with the live video stream? I'm trying to determine if it was bandwidth related, cpu/memory issue on the FMIS 4.5 server, or an issue with encoding PC exceeding it's limits?
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Mar 5, 2012
I currently use FMS 4.5 to steam Live Technical Videos.
Hooked into Flash Media Live Encoder is a Roland VR-5 which lets me have multiple Camera switching.
I want to braodcast also a few live Audio only streams. I could easily use the VR-5 which in turn has a Behringer Audio Mixer attached to allow up to 16 Audio devices to be mixed in, and then just turn off the Video option in Flash Media Live Encoder but:
I don't want to have to put a video window on the Webpage. I just want an Audio controller.
So how can I use FlashMedia Server to just stream a live Audio feed?
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Nov 17, 2009
I need to merge multiple live audio streams into a single stream so that i can pass this stream as input to VOIP through a softphone.For this i tried the following approach:Created a new stream (str1) on FMS onAppStart and recorded the live streams (sent throgh microphone) in that new stream.
Below is the code :
application.onAppStart = function()
{
[code].....
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Jul 14, 2010
I currently have two connections with two separate streams. They both hit the same fms 3.5 server. One connection transfers live audio and video. The other one is used for remote objects. Sometimes when viewing the audio and video stream with a slower internet connection, the stream for the shared objects disconnects. I think it is a bandwidth issue. Is there any way to set the priority of the streams? I think this should allow me to set a higher priority for the shared object connection so it won't disconnect.
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Dec 9, 2010
I've build a live video/audio chat application. All works fine only the issue is latency of 5 secs. I'm using FMS 3.5 and FLEX.
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Feb 22, 2010
I am using FMS for live streaming. Am using Flash to publish live video, I have one to one live streaming where I can see other end user live video and other end person can see mine live video. So one input stream going to server and one out put stream coming back. The problem what I was getting is sound is getting echo i.e., Repetitive sound getting.
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Aug 13, 2010
When a user visits my page, they currently have to click inside a textfield within the movie to type in an ID number.How easy is it to make the movie 'live' so they don't have to click on the swf file itself Once this is sorted, I am ok with making the keyboard input populate my textfield as that already works, I am just trying to make the mouseclick on the movie non-existent. Apparently, ADA means they don't want the mouse click event to activate the movie.
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Jan 5, 2012
It works great but only if run it from my desktop. If I change the url to an http source and then upload the swf/html it will load the song but the effect seems choppy since it has to preload the entire song first.
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Oct 27, 2009
I need to create a basic bar chart distribution in ActionScript 2.0 based on sound output. I realize that ActionScript 3.0 has a very nice sound visualizer class SoundMixer.ComputeSpectrum but the limitations of my project require me to use ActionScript 2.0. Im wondering if you know of
A. Any third party libraries that I can use or purchase to create basic visualization effects based on sound output in AS2
B. Whether it is possible to create the sound visualizer in ActionScript 3.0 and somehow import/embed the AS3 file/swf in the AS2 file but allow the AS3 file to read from the AS2 sound
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May 22, 2009
Is it possible for Flash to detect the tempo of audio coming through the microphone (ex. - someone singing into the microphone or playing music on their computer)?I am trying to figure out whether this is possible.
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