I want to capture audio and along with the audio I also want to show the live signal strength of the audio on the screen.
Is there ant api that give me information regarding the the loudness level (or at least some information indicating whether the user is silent or speaking something) of the audio or should I implement my own signal processing using the captured buffers and determine the level.
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I was using the phone reading email and the battery indicator all of a sudden went from 50% to 5% and i got a prompt telling me to charge it. I knew this could not be right and i proved it by surfing the net for 10 mins and watching a video for 75 minutes before the phone died. Has anyone had this happen to them?
View 3 Replies View RelatedI was using satnav at the weekend; the battery level indicator on my Desire went from green to orange (20%) and the existent data connection dropped off straightaway. I was unable to re-establish a data connection even after switching the phone off and on again. I was in an area of reasonable/good network signal strength. The GPS continued to function however so I could still see my progress on the map but a data connection message appeared.
When I got home the phone continued to function on WiFi (with GPS on too) for nearly another two hours before it turned itself off, so there was plenty of "juice" left. My question is as to whether there is anything I can adjust to ensure that the battery continues to function fully (ie maintain a data connection) until it runs out? Or whether at 20% the phone is somehow set up to end a data connection? I have now got myself an HTC car charger to make sure the battery will not drop that low again when I am using satnav.
Im using LauncherPro on my Desire, and I really like the look of it, especially after choosing to hide the notification bar at the top. The one thing I am missing is the signal strength indicator. Are there any widgets out there that would display this? The more customisable the better of course!
View 1 Replies View RelatedI'm looking for some way in Android to play in-memory audio in a manner analogous to the waveOutOpen family of methods in Windows programming. The waveOut... methods essentially let an application create arrays of sample values (like in-memory WAV files without the headers) and dump them into a queue for sequential playback. Windows transitions seamlessly from one array to the next, so as long as the application keeps dumping arrays into the queue ahead of playback, the program can create and play continuous audio of any arbitrary length. The Windows API also incorporates a callback mechanism that the application can use to indicate progress and load additional buffers.
As far as I can tell, the Android audio API lets an application play a file from local storage or a URL, or from a memory stream. Is there any way to get Android to "queue up" MediaPlayer.start() calls so that one player transitions (without glitches) into the next upon play completion? It appears that Jet does something like this, but only with its own internal synthesis engine. Is there any other way of accessing Android audio in a waveOutOpen way?
As a first step toward a speech recognition project, we wrote a simple voice recording application based on the information in this thread:
http://groups.google.com/group/android-developers/browse_thread/threa...
It is working; however, the audio is extremely poor too static for our needs. As a comparison, we did a similar audio file captured with audacity on a PC and it was much better. Has anyone been able to record high quality audio with the android dev phone? According to the documentation of MediaRecorder, there is only one audio encoder "AMR (Narrowband) audio codec" and three output formats--3gpp, mpeg, and raw AMR:
http://developer.android.com/reference/android/media/MediaRecorder.html
According to wikipedia, AMR encoding is only 8hz. Is there a better option available perhaps a lower-level API compared to MediaRecorder? We are testing on Windows XP, with a Logitec USB microphone, eclipse ganymede, and we are using all the defaults for an android 1.5 app (no emulator command-line options. We defined the SD card in AVD manager).
I have an application that records audio and i want to add an indicator which shows the volume of the recorded audio ( in real time ). Any ideas how to do is.
View 6 Replies View RelatedI am working on a packet switched network. I want to capture the audio data from mic into a buffer at a desired sample rate.How can I capture the audio data from mic into a buffer instead of a file? Also how can I control the audio capture rate as per the desired sample rate?
View 2 Replies View RelatedI'm just trying to figure out what the heck that indicator is. Sorry, I'm a little new to all this. It looks like the phone but to the left is a weird squiggly line.
View 7 Replies View RelatedMy Eris is just no longer working as a phone. The only place I get good signal strength is at the Verizon store. I think the radio is dying because the other 3 Eris droids in my house (wife and 2 kids) all show 15 - 20 dB higher (less negative) signal strength.
I went to VZW store for some help and all they could do was #228 option 1 and *228 option 2 and recommend that I get a task killer app and use it 3 times a day.
So, anybody know how to get past the sales side and get to somebody that can determine if the phone is broke?
Data and apps all work fine, I get 3G everywhere, and it's rooted (so is the wife's) using XTRROM 4.2(me) XTRSense 4.2 (wife) - kids not rooted.
if it was possible to route audio files from the phone to a bluetooth headset on versions of Android API Level 7 and under (so versions older than the new Froyo) If so, do you know of any sample code I could look at to figure out how to do this? Or perhaps just point me in the right direction?
View 2 Replies View RelatedIs there a way to manage the audio levels through an app? Or is it more dependent on the phone's built in capabilities? Right now at work I listen to a skype audio call from my house (for security) at a very low volume and then at a higher level I listen to music or podcasts, both sources going at the same time. When my dog goes nuts, the door is knocked on, or (in theory) if someone busted down my door, I notice the change in volume and sound, turn off my local media, and focus on what I'm hearing until the drama passes.
I ask because I would like to continue this setup when not at work, like say while running, where I again have earphones in and am normally listening to audio content. I would like to be able to have two pieces of audio: music combined with a skype stream or normal phone call, going at the same time like at work. So is there a way to have two sources going at the same time, with the volume of each independently adjustable? Is this an app thing or a phone thing? Phone will be Sprint Hero.
I am working on a VOIP based application. I need to capture the audio from mic at 8000 hz sampling rate, get the 20msec packets, encode and send the packets over the network.
Can somebody tell me how to configure the mic for the desired sampling rate?
What do you think of the audio level on the speaker of the incrediable?
I feel it is low and weak compared to the Motorola Droid.....
I first have to say that I'm biased, 'cus I like to write music apps (like music generation apps). However, this affects games as well. It's somewhat disappointing how OpenGL has made it into the NDK now but there isn't any NDK methods to get to sound to have faster access. Over the weekend I did some more testing and if you make a "drum" app, for example, and play the sound using either SoundPool or AudioTrack, you will get about a 100ms delay buffer, which is clearly audible (gap).
I made a test app where when you touch the screen, upon the DOWN event, it would play a short sound (like a drum sound). It clearly was not real time responsive or even close - you could hear the delay. I'd be interested to know if anyone who has made a game has any trouble with sounds? It seems like they aren't going to really trigger real time enough if you use SoundPool, for example. Am I completely wrong? Seems like your game is going to perform an action, play a sound, but the sound will have latency which I would think would throw off the game a bit..................
Is there anyway to adjust the audio level out of the Captivate? When I hooked it up to my car stereo to play Pandora, I had to max out the volume on the car stereo just to be able to hear it. I don't listen to music at outrageous levels. If I listen to a CD or the radio, the volume level is between 10 and 25. With the Captivate it is 40 and still not as loud as the radio.
View 2 Replies View RelatedAs a first step toward a speech recognition project, we wrote a simple voice recording application based on the information in this thread: http://groups.google.com/group/android-developers/browse_thread/threa...
It is working; however, the audio is extremely poor -- too staticy for our needs code...
As a comparison, here is a similar audio file captured with audacity on a PC: http://juzzam.org:9090/myAudioFile_onPC.mp3
Has anyone been able to record high quality audio with the emulator? If not, is it any better on the android dev phone?
According to the documentation of MediaRecorder, there is only one audio encoder "AMR (Narrowband) audio codec" and three output formats--3gpp, mpeg, and raw AMR: http://developer.android.com/reference/android/media/MediaRecorder.html
Here is the Activity source: http://juzzam.org:9090/RecordMicrophone.java.txt
We are testing on Windows XP, with a Logitec USB microphone, eclipse ganymede, and we are using all the defaults for an android 1.5 app (no emulator command-line options.. we defined the sdcard in the avd manager).
I really struggle when using my phone with my bluetooth headset as the audio level is so much lower than all my previous Sony Ericsson phones. I have made sure all the volume levels are at max on the X10 itself, and on the headset itself, but still the audio level is very low. The transmitted audio is fine, and the person I am speaking to never has a problem hearing me, but I really struggle to hear them. Is this a known problem that Sony Ericsson are aware of? Are there any fixes I can apply? I have downloaded a number of different volume apps from the market place, but not found any that seem to be able to increase the volume.
View 1 Replies View RelatedI have a friend at work who has a cheapie smartphone running vanilla Android and whenever he has his phone playing on the dock his lockscreen displays the audio levels behind the password prompt.
Audiophiles, I don't know the correct term for it, but it's all those little lines that go up for each frequency range. The treble side is on the left, bass is on the right.The background is black, the levels thing is a light blue-ish color.
I know he uses Play Music and he has a Pattern Lock, but so far I haven't been able to replicate it on my phone.My phone is a Galaxy S4 with 4.4.2 and the latest Play Music, swipe unlock, and a static picture as the background.I see no options for the levels thing in Play Music nor in my lockscreen settings.Is this something only in vanilla Android that Samsung tossed out?I think it looks really cool; better than the square album artwork awkwardly cropped to fit a rectangular screen.
If this is something vanilla only, are there any good free equivalents in the Play Store you'd recommend?How about compatibility with Rocket Player?
I'm having trouble developing an app, while it works in API level 10, it does not in API level 7. I wondery why and I've been looking for a site that summarizes the differences, or the new features from one API level to another and cannot find it.
09-04 04:24:21.485: E/AndroidRuntime(6834): Uncaught handler: thread main exiting due to uncaught exception
09-04 04:24:21.510: E/AndroidRuntime(6834): java.lang.VerifyError: [code]....
There seems to be a problem with an uncaught exception and reflection, although....why does it work on API level 10?
So I just get off the phone with a friend and I notice that the phone is miraculously showing full bars. I'm in the basement no less where it usually shows zero bars. After checking I now see it's showing zero bars again! I've never seen any phone with this much of a swing in the signal meter. To me, it's become almost humorous to watch it go from 4 to 0 then back again all in 10 seconds time. Is anyone else having this problem? If so, I hope Samsung fixes this problem in a future update as well. If no one else is having this problem I may exchange this phone for a new one.
View 12 Replies View RelatedI'm writing an Android application that plays back voice mails using Media Player, which are just WAV files that have been sent to the device. When I play the file, it's played on the device's speaker, or else it plays through headphones if they're plugged in. What I want to do is play the file so that it sounds to the user as if it's at the same volume level as a normal phone call. Is there a way to route playback so that the file is played through the phone's ear piece instead of out of the speaker?
View 2 Replies View RelatedI want to reach out to others here before I take my Moment back to Best Buy to exchange it for another Moment.
My signal strength fluctuates wildly just sitting in the same spot. With the Hero I got a constant 5 of 6 bars, but the Moment will vary between 0 and 5 of 6 bars. But it's more complicated than that.
It seems that whenever the EVDO data kicks in, it causes the signal strength to drop to 0 or 1 bar. Once the data is idle, the EVDO indicator turns grey and then changes from EV(^v) to EV(D). At that point the single strength will return to 3 or 4 bars.
At times, though not as consistently or often, the EVDO connection will fall back to 1xRTT and will switch between them every few minutes. This will occur even when the signal strength bars are in the 3 to 4 range.
So, the my questions are...
Does the signal strength apply to the data signal or just the voice signal?
Is there any legitimate reason for the signal strength to vary wildly like I've described, even when sitting in the same recliner where the Hero had a constant 5 bar connection and data service that never wavered?
Is anyone else having signal strength and/or data service issues?
Should I exchange the Moment for another Moment or will I likely experience the same issue?
I can get a few minutes of 4G signal at my home per day, but when it drops out and 3G takes over, the signal will flatline and boot me offline. My 3G speeds are usually around 56-150Kbps or less, and my 4G speeds are around 2.5 Mbps What would cause this ? According to WiMax location sites online, my nearest 4G tower is .52 mile away. I would think that if I actually get 4G signal, then 3G would be constant. Turning off 4G doesn't help either. Is there some setting that I could have turned off that would cause this ? Running stock EVO on 2.2 all the latest updates
View 8 Replies View RelatedI'm writing an android application that collects cell signal strengths. I am having trouble getting the "current" cell signal strength, but I don't have any problem getting the "neighboring" cell signal strengths. To get the current cell signal strength, I created a PhoneStateListener and implemented the onSignalStrengthChanged callback. It works, but not very well. It seems like the signal strength hardly ever changes, and resolution jumps to only a few numbers. I would accept the answer that the resolution of the signal strength hardware is coarse, but when I use the TelephonyManager's getNeighboringCellInfo() method, it works much better. The signal strength readings from neighboring cells change frequently, and they have much better resolution.So, how can I get the current cell signal strength in the same way that I am getting the neighboring cell strengths? It seems odd to me that the functionality of the neighboring cells is better than the current cell. Am I missing something here?I would also like to directly call a method from the telephony manager to get current cell strength, as opposed to a listener, if possible. If anyone knows how, please let me know.
View 2 Replies View RelatedDoes anyone know if there is a way for either meridian or the regular android player to recognize audio tags on lossless audio files?
View 1 Replies View RelatedIs there an Android equivalent to the iOS Core Audio / Audio File Stream Services? I need to be able to read audio bytes from a network and feed them to the audio system under my control, so I can do my own timeouts / reconnects / range requests / etc. without interrupting the audio playback (since the system audio thread would be playing audio already enqueued). It seems that MediaPlayer doesn't give me this level of control. Is there a lower-level framework that does, either in the SDK or NDK?
View 2 Replies View RelatedI want combine two audio files. (A audio file + B audio file = AB audio file)So, my search result is:
1. useing an AudioTrack.
2. decode PCM from audio file.
3. combine PCM.
This is currect? It there another way?
I want to record a sample from the microphone, then I want to play the recorded file maximizing the volume and apply some audio effect, like modifing sample rate or addind an echo.Waht is the best way? is there an example?
View 1 Replies View RelatedCould you please let me know how to do the audio record in android emulator and play the same recorded audio. Could you please help me in proceeding in development.I tried with MediaPlayer API's also.Its not working.
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