Pro-Click Zone(tm)
http://www.storageserver.be/images/pocketdj_fftest.jpg
Well, sadly, thanks to a lack of certain XNA APIs, this is going to remain a concept for a while. But I still sketched something up in Photoshop to give people an idea what I had in mind.
Basically, it's a two-deck player (refresh button top-right would switch decks), with pitch shift (slider on the left), simple transports, crossfader (bottom right) and scrobbling by finger manipulation on the wave display.
The left hand dimmed side of the wave display is already played content and might act as surface for more potential controls (stuff like bass cut, if I ever figure out how to make an EQ work).
The mixer would output either a single stereo channel with the monitor signal mixed in, or dual mono mode, where one channel is the main and the other the monitor (in case you're trying to be leet on a party and mix using the phone). On top of that, there would be single deck stereo-out mode for freaks with two phones. I guess there may be demand for this, since I've seen evidence of Apple clowns doing something like this in the past with their crop of mobile DJing apps.
Filetype support would be MP3 only, there are no APIs to access the system codecs for frame level decoding, and the only thing I could dig up on the web is a C# MP3 decoder.
Right now I'm only waiting for the XNA's XACT APIs to hit Windows Phone 7, or at least something similar. Without raw audio output capabilities, like what that API allows, this project stays at concept stage.
Anyway, opinions?
Looks good.
Multi-touch will sure be usefull there
Pretty much similar project I submitted to the wp7req for device . But it failed because of lack of the access to the raw audio output. Also, not sure if WP7 allows access to media library...
In XNA, you there's a MediaPlayer class you can make use files from your Zune library, from how I understand it, but it still wouldn't give you straight file access.
WP7 doesn't exactly need XACT, but at least something to do simple stereo raw output. One wouldn't even expect low latency from a phone. And maybe APIs to leverage system codecs, but that'll probably stay a dream for a while.
Well, this project is definitely on ice for indeterminate time.
To continue, Microsoft needs to allow access to the phone's codecs. The only available MP3 decoder written completely in C# decodes at only 7x in the emulator, which is way faster than the actual phone.
Since there can be up to four decoding instances running (two decks playing, and up to two proxies for visualization being generated), making this application work is impossible without access to high-performance decoder (read: native ones).
So sad to hear.
I was pretty excited when I stumbled on your post. I had the same exact concept for an app in my mind when I heard that XNA has access to the media library.
effects aside though, how were you going to account for beat matching and bpm?
I wanted to decode the stuff and then interpolate it accordingly for pitch shift and use my FFT stuff from that other application to detect bass for counting. Automatic matching might have been workable in the long run.
The UI was supposed to get a pitch shifter, speed up and slow down and cue buttons, the ability to scrub/scratch. To have it handle like a real turntable.
But as long Microsoft doesn't supply an API to seek and decode specific blocks of audio files, ideally from the music library, there's no point. As I said, the MP3 decoder written in C# that I have here is slow as **** in the emulator already, the phone's considerably slower.
I would really something this: to 'mix' a playlist to share with my friends. It should be easy to use and have some nice effect, just for casual use
Skype in the classroom, officially launched at the end of March 2011, is a free global community to help teachers collaborate on classroom projects and share skills and inspiration around specific teaching needs. It also offers an immediate way to help students discover new cultures, languages and ideas, all without leaving the classroom. So far, more than 9,000 teachers have registered their classrooms in this free, online database.
This new Skype community is a great and powerful teaching tool. Teachers can go online to register for free and add in their contact details, also find where their school is located and what their interests are. It makes teachers to collaborate on classroom projects where they might use Skype, and share skills and inspiration around specific teaching needs. Students can discover new cultures, languages and ideas without leaving the classroom. So, the learning will be more interesting and memorable. Students from any countries can also discuss images of their favorite foods, maps of their country's geography, and information on what kind of weather they have, even comparing school uniforms. It’s really exciting when Skype's videoconferencing technology was used. For example, one little American girl asked the Chilean students if they had to wear uniforms. To answer, a fifth grader popped in front of the camera and proudly showed off her "jumper with colored ties". It’s indeed a great way to get kids to learn more about the world they live in and interact with other kids. If you want to enroll your classroom in “Skype in the classroom”, visit Skype Education website.
Then, teachers on Skype in the classroom should definitely consider using a Skype video recorder to record or capture video and audio like Camersoft Skype Video Recorder to record the video calls so that the experience can be shared with other children. Especially, the ability to record the entire exchange in a single file – the video and audio of all participants in a side-by-side format – would make it very easy to share these cultural exchanges.
The resource section of Skype in the classroom is stacked with videos, links and tips. With recorder program, teachers can smoothly and easily add resources of their own or favorite the ones they like best to create a huge, shareable library of teaching ideas. This Skype video recorder can record video and audio, and then save it as AVI files. More powerful, teachers can convert AVI files to many other formats you want to play with any media devices and merge many single files into one to share with students conveniently on Skype in the classroom.
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I have a video camera (Contour+ GPS) which outputs a Bluetooth stream (video and audio, not sure). The company makes an iPhone app and an Android app but say they will not be making a WP7 app and not even a PC app that I could run on my laptop.
Anyway...is there a way to capture the Bluetooth output of this video camera in WP7. Does the development SDK contain the framework needed to do this? How hard would it be (I have never written a WP7 app...I have C/C++ experience, SQL, and a Javascript).
Oh is there a place where I could get some good info on developing an app like this?
Rob
Hi -
What is the default codec used in the native Android SIP app?
is there a way to update the native SIP app to use G729 codec?
I'm running stock 4.2.2
thanks.
That would be pretty sweet. But the 729 codec is not free, so I doubt it could be incorporated.
native integration of g729
So I know this post is over a year old, but I've been searching everywhere for some kind of solution. I run CSipSimple which is pretty good with the exception of the fact that it crashes on occasion and I swear it chews up my battery life even though it doesn't seem to register at all in the stock battery usage monitor. I'd love to be able to use the stock sip stack with g729 as the default codec. I totally get that it is a licensed codec, which means that it can't be easily integrated into the native sip stack from the distribution end (although, if there were any custom roms that skirted around that issue, I'd love to know about them). I have a license for the g729 codec in CSipSimple, I'd love to able to extend that somehow to the stock sip stack since the licence is per device using the codec (at least this is how it's been explained to me). Is there some apk or zip using CWM or TWRP that I could install that would add native g729 capabilities into my native sip stack. I've tried using the ulaw and alaw codecs, they just don't work for me, the quality is lower, packets seem to drop, and it's difficult to carry on a conversation. The g729 codec on the other hand has worked flawless, I'd just like to be able to use it natively on my device. Any ideas would be welcomed.
If there was some way that I could add g729 by hacking the sip stack, instructions on that would be appreciated, I'm not afraid to hack some code!
Thanks in advance.
Sip Codec G729
Hi I was wondering if anyone has any updates for this
Cheers
I have to use my Old Nokia N8 for sip as its much clearer to use
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