Hello !
SUMMARY: How to run pocketsphinx_continuous on mobile phone with Android, and how to do it with simulator of mobile phone with Android. PocketSphinx can be downloaded for free here, for both Linux and Windows: http://cmusphinx.sourceforge.net/html/download.php .
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SHORT EXPLANATION
I'd like to create application for mobile phone and server such that:
1. User runs application on mobile phone with Android, this application uses PocketSphinx. It is Automatic Speech Recognition software for devices like mobile phones, written in C. Somebody told me that "Pocketsphinx is used successfully on Symbian with minimal effort". (However I think Android may be better choice). My knowledge about Android is limited but I know something about CMU Sphinx. Can you help me, please, to run this PocketSphinx on Android? I also need to find simulator of mobile phone with Android. I have already found Wireless Toolkit and I tried to use this emulator, however I think it doesn't allow to run simulation of mobile phones with Android. (By the way I am limited in my project to mobile phone of the price up to about 160 euro; which Android version would be best for my application?).
2. This application communicates with the user. The users speaks digits and some other words (dictionary is about fifteen words, I can create language and acoustic models, as well as formal grammar in CMU Sphinx, with the use of SphinxTrain). The application recognizes those digits.
3. Based on this talk, mobile phone sends information about results of recognition to the server. I can do it in Java for CLDC/MIDP with httpconnection, POST method on the mobile phone side and with Tomcat on server. I think this httpconnection must be possible not only in Java ME, but also in Android C. But this is thing which will bother me later, now I'd like to run pocketsphinx_continuous on Android and try to modify it according to my needs.
Summing up, what I'd like to know is how to run demo pocketsphinx_continuous on mobile phone with Android, and how to do it with simulator of mobile phone with Android. (I've got Wireless Toolkit but I think it is not capable of running Android). PocketSphinx can be downloaded for free here, for both Linux and Windows: http://cmusphinx.sourceforge.net/html/download.php . There are two ways of installing it in Ubuntu. First is to unpack it (it is tar.gz), enter its directory and type "./configure", "make", "sudo make install". The other, different, is written in README file, i.e. run autogen.sh, "./configure", "make clean all", "make test", "make install". The result should be, among many other files, javadoc in doc directory.
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LONG EXPLANATION
What is required to give me some advices is written above. So if you don't want / don't have time to read the whole text, just above explanation is enough. But let me say about other possible approaches which I try to do. Those are worse than what I explained above, but I also tried them.
CMU Sphinx contains SphinxTrain to create acoustic model. It has got some different recognizers (also called decoders), those are PocketSphinx, Sphinx4 and some other. PocketSphinx is written in C and is for devices like mobile phones. Sphinx4 is Java application for PCs because it requires better hardware. There is good tutorial about using SphinxTrain with Sphinx4. It is here: http://www.speech.cs.cmu.edu/sphinx/tutorial.html . There is no similar tutorial for PocketSphinx. However with some knowledge about Android and C it is possible to run it on Android. The other approach than PocketSphinx, is using this Sphinx4. However it requires connection between mobile phone and server, sending audio data from cellular phone to server. It can be done with Skype, but there is still problem on server side with redirecting sound from Skype to Sphinx4. So you see there are two different approaches. One is to run speech recognition on mobile phone with PocketSphinx and Android. The other is speech recognition on server with Sphinx4. There are some ways to follow this second option. One is Skype on both server and mobile phone. (But there is problem with redirecting speech from Skype to Sphinx4). The other is too expensive Digium card. The third one is IVR, but I still look for good open-source IVR software. All of those three ways of second option involve Sphinx4. It was much easier to create application with Sphinx4. It is for PCs, not embedded devices, because it requires better device, extensive floating point math and some other things. But it has much better documentation than PocketSphinx. But I want to use PocketSphinx because I don't need to pay to anybody for access to mobile internet in order to send data through internet for application like Skype. The access to internet is required only for short time to send little text data with httpconnection, POST method. This is why I'd like you to help me, please, with running pocketsphinx_continuous on simulator of PocketSphinx on mobile phone with Android. (By the way, I see I've got installed S60 Developer Tools -> 3rd Edition FP1 SDK -> MIDP -> Emulator).
Summing up in a list, those are in CMU Sphinx:
I. SphinxTrain, which I can use to create files needed for speech recognition
II. decoders which use speech input and some files which I create with SphinxTrain, to follow speech recognition (input speech + files from SphinxTrain = are used by decoder)
II-1. PocketSphinx, written in C, for devices like mobile phones
II-2. Sphinx3, written in C, for PCs, actually the best developed
II-3. Sphinx4, written in Java, for PCs, with the best documentation
II-4. Some other, older versions
Those are possible approaches of solving my task:
I. Speech recognition on mobile phone with PocketSphinx. This is much better way than [II].
Problems: 1. running PocketSphinx on mobile phone with Android. 2. simulating mobile phone with Android on PC. I also thought that maybe I should consider Meamo, what do you think about it? Or use things different than CMU Sphinx, e.g. Simon, HTK, Julius. I looked at those other ASR engines and I think PocketSphinx may be best choice.
II. Speech recognition on server with Sphinx4. There are some different ways of establishing voice connection between mobile phone and server.
II-1. ordinary call from mobile phone to server; server has got Digium card. Disadvantage: Digium card is expensive.
II-2. to use Skype on both mobile phone and server. Problem: redirecting of sound from Skype to Sphinx4 and vice versa.
II-3. can you think about any other ways? I found that Asterisk may be useful.
Greetings !
Summing up, what I'd like to know is how to run demo pocketsphinx_continuous on mobile phone with Android
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First step would be to setup a toolchain and compile the prog for android
or statically linked with uClibc.
Then push it onto your device and test if it works as expected.
You can also push it onto the android emulator that comes with the sdk.
Just my 2 cents...
Thank you very much!
Can you give me any links to tutorials which can be useful for me?
By the way I know how to create my own application in Sphinx4 and I know how to run demo in PocketSphinx, but I've got some difficulties with creating my own application for PocketSphinx. So if you can have a look at PocketSphinx http://cmusphinx.sourceforge.net/html/download.php and tell me which files I need to have to create new project for PocketSphinx, I would be greatful. I mean that for Sphinx4 the only what I need to do is to enter S:\tutorial\sphinx4-1.0beta3-src\src\apps\edu\cmu\sphinx\demo\helloworld and create my own ...\demo\my_application, and inside it analogically to what is here ...\demo\helloworld. In the case of PocketSphinx, to run the application, I need to enter S:\tutorial\pocketsphinx\doc and run pocketsphinx_continuous. So I check what I've got in this file and I cannot see what files and where I need to have in order to create new project. I uploaded directory doc with pocketsphinx_continuous here: http://www.speedyshare.com/files/19429494/doc.7z
Greetings and thanks once more !
Rough outline: You'll need the Android SDK and NDK, both of which are available from http://developer.android.com/. The NDK will allow you to compile C code. You'll need to wrap the C core in a Java layer to make it accessible to the rest of the Android system. The SDK also includes an emulator, which I believe you've asked for if I understand you right.
I haven't actually attempted this, so that's about all the help I can be, but there is sample code included with the NDK that should get you started.
Thanks for your answer !
I check the google and see that NDK is term of Android, because I knew only SDK abbreviation. I assume NDK is especially for porting (like porting PocketSphinx for Android). So am I right that with this NDK I don't need to change code of PocketSphinx? I think it would be too easy .
There also other question which I've got. It is not strictly connected with Symbian but there wouldn't be any need for porting if I won't solve this problem. I've got my application in Sphinx4. There are also examplary appications for Sphinx4 and PocketSphinx. I can run demos from PocketSphinx (as explained in first post), as well as demos from Sphinx4. I can change source code of demos from Sphinx4 to perform my task. I'd like to do similar thing with PocketSphinx, but even if it should be easy task, I cannot do it. In Sphinx4 it is much simpler because all source files are in one directory. In PocketSphinx it is done in somehow different way. (http://cmusphinx.sourceforge.net/html/download.php). Without ability to move my application from Sphinx4 there is no need for me to port this PocketSphinx to Symbian.
Greetings !
johnyjj2 said:
I assume NDK is especially for porting (like porting PocketSphinx for Android). So am I right that with this NDK I don't need to change code of PocketSphinx? I think it would be too easy .
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Click to collapse
NDK is used to write software for Android devices that are compiled natively to the platform -- for now, this usually means ARM. Java as you probably realize is a bytecode intermediate language that the java virtual machine converts to native calls at runtime. This means that Java is generally platform independent whereas your C code is not.
JNI as used with the NDK is the Java Native Interface (or something to that effect). It allows you to call code that has been compiled for a specific processor from Java. This means that you could put heavily optimized super fast calculations in a native library and call them from your Java app.
It could also mean, that you've more or less written your entire application in some native code, and then you have written a java shim that has enough code to initiate and start your native software. Beware, there be dragons here.
The fact that you CAN do this, doesn't mean you SHOULD. There are a lot of benefits to using the android platform and specifically using the android way of writing applications. Concepts like views, activities, intents, etc., greatly simplify how an Android device interacts with other Android devices and provides a consistent and powerful framework.
For something like SCUMMVM, it is a game (platform) that is very linear in design; you are either actively playing it, or it is on pause. How other applications are running while using SCUMMVM is inconsequential. It sounds like you have very different requirements.
Thanks for answer!
Isn't that link (http://cmusphinx.svn.sourceforge.net/viewvc/cmusphinx?view=rev&revision=9470) simply trying to copy engine library to Symbian, without effect? Only enginge won't help, there is also need to write from zero code which will use this library. So it looks like there is still long way to have it working. Do I understand it properly?
Greetings!
Hey there,
I want to write an App which I want to distribute to different mobile Os. I'd be glad if it worked on iPhone, Windows Mobile, Symbian, Android and if possible otheres.
Now I'm looking for some technology I can use:
What would you recommend? Java, Flash, Javascript-based?
What I need is:
- app-downloadable, so it doesn't require an internet flat using it
- some api to have access to cell id and / or gps for phone tracking
- very easy cross platform publishing without much platform dependant code
I do have good Java knowledge and do code Actionscript 3 since some years. I already found some solutions for cross-platform development, but if there's anybody here with experiance I'd gladly hear some opinions.
I'm anticipating your replies
Hi All,
Question 1:
I have developed Android App for school for which I have use the following technologies and I am new to Android development.
UI - Android
Back end - MYSql and Java.
Used REST API to communicate.
1) I am confused how to implement the above in Cloud Environment. Can some help me to implement this in cloud environment. In future I want support to iOS and Windows
2) How to make my communication secured (do i need to encrypt).
3) Whether I have use wrong technologies and it is not possible to implement this cloud environment.
4) How to implement push notification
For all the above any standard open source SDKs available which i can use? If available what are the different SDKs available and which is the best one to use.
If the above information is not clear, please let me know.
Regards,
DEVMAHA
hello!
is there a linux distribution for any kind of smartphone?
ubuntu touch is only for a few devices and android apps (e.g. gnuroot, etc.) are not a complete operating system and are very limited
is there a complete generic linux distribution to install on any smartphone (no matter if other functions dont work like phone calls, send messages, etc.)
by now i have a motorola razr xt914 d1
thanks a lot
arturo a. said:
hello!
is there a linux distribution for any kind of smartphone?
ubuntu touch is only for a few devices and android apps (e.g. gnuroot, etc.) are not a complete operating system and are very limited
is there a complete generic linux distribution to install on any smartphone (no matter if other functions dont work like phone calls, send messages, etc.)
by now i have a motorola razr xt914 d1
thanks a lot
Click to expand...
Click to collapse
There's a Linux installer app: which you can find if you search the Google Play store for: "Complete Linux Installer"
hi thanks for your answer!
unfortunately according to commentaries that app is not what i am looking for.
i believe many people wants a linux distribution on their smartphone (full installation or at least dual boot) the same way we can install our favorite distribution on any pc
i hope some day this will be possible
anyway thank you.
bye
GNUroot
Does anyone know what is required to use GNUroot and what it is capable of?
Do I need to install a terminal separately? There is no launch icon.
There is some more info on linux installer development here - http://linuxonandroid.org/ and here - http://forum.xda-developers.com/showthread.php?t=1585009
arturo a. said:
hello!
is there a linux distribution for any kind of smartphone?
ubuntu touch is only for a few devices and android apps (e.g. gnuroot, etc.) are not a complete operating system and are very limited
is there a complete generic linux distribution to install on any smartphone (no matter if other functions dont work like phone calls, send messages, etc.)
by now i have a motorola razr xt914 d1
thanks a lot
Click to expand...
Click to collapse
Umm... Not for ANY PHONES. Just few phones could run Ubuntu(Made from Linux) Touch. There is no Linux distribution for any SmartPhones. You should port Ubuntu touch to your phone.
TIP:Android is made of Linux. Linux-Based OS. Structure of Android kernel is very similar as Linux Kernel. If you want to run a Linux Command line, You should run terminal.(make, gcc, etc... )
Jason Hyunwoo said:
Umm... Not for ANY PHONES. Just few phones could run Ubuntu(Made from Linux) Touch. There is no Linux distribution for any SmartPhones. You should port Ubuntu touch to your phone.
TIP:Android is made of Linux. Linux-Based OS. Structure of Android kernel is very similar as Linux Kernel. If you want to run a Linux Command line, You should run terminal.(make, gcc, etc... )
Click to expand...
Click to collapse
I want the exact same thing that the original poster wants: a smartphone that is running unrestricted Linux.
What I DO NOT want is a smartphone that is "Linux-based", where the "Linux" designation is essentially irrelevant because the interface that is presented to the end-user significantly obstructs access to Linux for average users. In other words:
Who cares if it is "running Linux" if the average user using the phone cannot get to Linux without playing tricks with rooting?
Furthermore, I am NOT looking for a phone where I can use tools to get root access. I already know how to do that.
What I want is to be able to direct my NON-TECHNICAL CUSTOMERS to a website where they can buy these phones, many of whom are doctors and have ABSOLUTELY NO INTEREST WHATSOEVER of rooting their phones, to be able to install my native C++ applications on them. In other words, I want a smartphone that is running Linux, unrestricted, and if it is running anything else, that other thing does not interfere with installation of true native C++ applications that have fully access to the device. My customers will buy these phones, and install my custom native C++ application onto these (extra) phones via my web site.
I already know about Ubuntu Phone and Tizen. Both of those are not what they claim to be. They are not truly open platforms, as regular users cannot install regular Linux applications willy-nilly as they can on a PC. Jolla claims to be better, but their phones are not sold in the USA.
I want an unrestricted Linux smartphone that can be purchased online by medical professionals in the USA.
Please do not respond by telling me that there is no market for this, or that I can rewrite my application in Android/Java, or that I can give 3-hour training classes to each of my customers about the joys of rooting, etc. :silly:...
Hello,
I'm working on my thesis about malware on Android platform and need a little help.
One of my teachers told us about PC software, that can monitor an android device and show you which app is using what and some other things. I tried to google it, but all I can find was bunch of some spy apps. Does anyone know, which software could he meant? Or is it possible to do it via Android Studio?
Also does anyone know about some reliable source of malware apps? I have to test them to see what they are doing...
All suggestions are welcome. Thank you.
You won't find any named here as they are all banned.
You can do that with adb and a logcat. Both available with the android sdk.
I can't say anything about Android studio as I have no need to use it over the command line tools.