music

Lyrics flow (Delphi / pseudo-code)

I would like to build a program which lets lyrics of a song run over the screen. Something like this: http://www.youtube.com/watch?v=kIAiBvD9njM Can you help me? Algorithm: pushes the marker to the right of a line fitting the music lets a line above the current line disappear inserts a new line above the current line What is neede...

Music major scale converter

i am trying to create music major scale converter. Dose anyone have info how do to it so far i have rootNote is scale base note like cMajor or gMajor note is note that i want to convert into major scale 0-126 if i insert rootNote 60 and note 60 the right return would be 0, if i insert rootNote 60 and note 61 the right return wo...

Extending Karplus-Strong with low pass filter

I have implemented a basic Karplus-Strong algorithm. Ringbuffer, filling with white noise, output a sample from the front and append the average of first two elements to the end and delete the first element. Repeat last to steps. For better results and control over them I tried to implement a extended version of the algorithm. Therefor...

Coloring notes in Lilypond by height

lilypond can color notes in a arbitrary way using \override NoteHead #'color = #red c with the default color is black. But I like to color all notes by height, so that my kids can more easily learn to recognize the notes as the c, d, e, f, ... are associated with its own color. The above allows me to do this, but is rather verbose. I...

On iPhone: Find out what song is currently playing? (in the iPod music player)

Apple released access to the iPod Library in the iPhone SDK 3.0 and I'm wondering if it's now possible to understand which song is currently playing? Title, Artist, Album suffices. Example: User opens an app and the app can know which song is playing in the background. Has anyone had any experience with this? Thanks a bunch! ...

Discrepancy in channel size between BASS_GetChannelLength() and BASS_GetChannelData()

I want to paint the full spectrum of a song from its complete FFT representation. Using the BASS Audio Library, I create a decoder stream, get its length and then retrieve all the FFT samples. My first prototype worked perfectly: Decoder := BASS_StreamCreateFile(FALSE, pchar(fn), 0, 0, BASS_STREAM_DECODE); SongLen := BASS_ChannelGe...

How can I access What's Playing on the iPhone

I feel like I have come across something before to do this, but can't find it again. How do I access what's playing? Not so much the audio, more the information like Artist and Title. ...

Securing songs streamed from HTML 5

Hi all, I'm looking to build a jukebox and I am wondering how one would secure songs that are in <audio> tags with HTML 5. I don't want people to be able to download the song, but I'd like to stream it via those <audio> tags. Any suggestions? ...

How does jamlegend creates beat from mp3?

My question is around jamlegend.com. I was playing a few games on it and got wondering how are they able to produce the game beats from any mp3 that I upload instantly. What's the logic behind it on gerneral? Not only for jamlegend but also for guitar hero etc. ...

How to start playing a music playlist on the iphone?

Right now now I'm thinking about getting a playlist through MPMediaQuery and then add the items inside my MPMediaPlaylist to the MPMusicPlayerController using setQueueWithItemCollection. Is there a way to pass the MPMediaPlaylist directly to the player? ...

Semantic (or symbolic) Representation of Music

I'm looking to create a little app that allows the user to visual and control (mostly) classical music, in order to better recognize structures such as canon. What would be an appropriate data and file structure to store the music in? I know very little about music, so this will be a learning experience on two levels for me. I'd like ...

MIDI Patchbay for Windows? / How to send MIDI from app to Reason in real-time on WinXP

MIDI Patchbay is a utility for Mac OSX that lets you pass MIDI data between musical hardware and software. Is there an equivalent utility for Windows operating systems? (I've done due diligence, and haven't found anything worthwhile) My use case: I'd like to write a program that generates MIDI data and sends it to Propellerhead Reason...

How does music fingerprinting work (for sites such as Shazam and Lala.com)?

My large (120gb) music collection contains many duplicate songs, and I've been trying to fingerprint tracks in the hopes of detecting duplicates. And since I'm a CS Major I'm very curious as to what is done out there? Nothing I do has nearly the accuracy of something like Shazam or Lala.com. How do they "hash" tracks? I have run a standa...

Windows Library - Playing Musical Notes

Is there an up-to-date Windows Library which allows the playing of individual musical notes? Even just a wrapper on top of Beep, would suffice, though I don't know if that would be supported on all version of Windows. ...

Show measure bars when StaffSymbol #'line-count = #1

(I can't tell if this is meant to be SO or SU, so please move it as necessary.) Lilypond automatically puts in measure bars for me, but only if there's more than one line. I'm writing a part for which I'm doing: \override StaffSymbol #'line-count = #1 and measure bars do not appear. (That's kind of odd: just because there's no pitc...

Is there any Algorithm for converting Image of sound to sound?

So I have an image like this Is there any algorithm to extract (get as PCM) sound from which was created that image? ...

Android app for composing music: Beginner

Hi, I am thinking of developing a simple Android application that lets users compose music on Android phones. I am new to the Android platform. I have some coding experience in Java that involves being aware of basic OOPS and Java concepts and developing some small Java applications(less than 1k lines of code). I have set up Android on ...

Saving song/movie file to iphone from Server (with didReceiveData?)

Hi everyone, I'm trying to download a song/movie file from server that host it, and after its download to the app --> save the file to the iphone. Here is my code: - (void)applicationDidFinishLaunching:(UIApplication *)application { [self beginDownloading]; [window addSubview:viewController.view]; [window makeKeyAndVisible]; } ...

Playing BG Music Across Activities in Android

Hello! First time to ask a question here at stackoverflow. Exciting! Haha. We're developing an Android game and we play some background music for our intro (we have an Intro Activity) but we want it to continue playing to the next Activity, and perhaps be able to stop or play the music again from anywhere within the application. What w...

xspf player - name of object or code that defines current song highlighting?

I'm creating a new look for the xspf player: http://musicplayer.sourceforge.net/ The playlist highlights the current song being played. I'd like to change the color but can't find where that option is listed in the .flv file, or in the actionscript file. Anybody have an idea? ...