Android :: Audio Output Analysis (Microphones)

Jan 17, 2010

I was playing around with some of the live wallpapers and thought it'd be neat to try to make something like the frequency/waveform visualization wallpapers, but I'm not sure there's an API to get the audio output data from the device. I know you can use AudioRecords to get this sort of data from microphones. Anyone know if there's a way to manage it for a device's output?

Android :: Audio Output Analysis (Microphones)


HTC EVO 4G :: Unable To Record Audio / Video - Low Quality Microphones

Oct 19, 2010

We have one of the crappiest microphones on any phone. I tried to record some audio/video with my camera and the freakin audio SUCKS! what gives? is there anything HTC/Sprint/we can do about this?

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Android :: Audio Stream Analysis?

Sep 23, 2009

is possible to analyze audio stream spectrum with Android API (similar to what you can easily do with Flash). Basically what I need is to determine the duration between two claps in a small audio record. The claps are much louder than the background, so theoretically it should be somehow possible..

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Android :: Any Way To Route Audio Output To Mic?

Sep 17, 2009

I'm trying to play a music (using MediaPlayer) during a call and want the caller to hear the music I'm playing. Unluckily it doesn't seem work at all, the caller hear nothing even I set the music volumn to MAX ( of course, the speaker and the mic on Android are far away from each other). Is there any ways to route Android's audio output to its Mic? Or something like "Stereo Mix" in Windows?

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HTC EVO 4G :: Can Android Apps Share Access To Audio Output

Sep 28, 2010

Can android apps share access to the audio output? I sometimes use Maps Navigation, which will give audible turn by turn instructions. I plug the EVO to my car stero using a patch cord so that I hear the instructions over my radio.

However, if I'm using another application that outputs audio, like Pandora or the music player, they go silent as soon as Maps speaks an instruction.

What I would like is for the apps to be able to share the audio output with some kind of priority set, so that Pandora would pause momentarily while Maps spoke an instruction and then resume.

Is that possible?

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Android :: Can Audio Stream Output From Earpiece During Call Be Captured?

Jan 29, 2010

I am looking to develop an application and would like to know if the earpiece audio output can be captured.

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Android :: Method To Access Digital Output Of Audio Codec

Apr 27, 2009

Is there a method to access the digital output of the audio codec without first storing it into a file, a streaming output?

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Motorola Droid :: USB Audio Output

Nov 19, 2009

I'm toying with the idea of making a car dock for my Droid. The official Droid dock doesn't work with any cases and if the iPhone is any indication, no one will ever make one that does. Plus, it doesn't do everything I want.

I want to plug my phone in with as little fuss as possible, have it charge, output audio to my car stereo through USB. Charging is absolutely necessary, and I want to avoid using the headphone jack for audio if I can because it's an extra thing I'd have to plug in rather than just sliding the phone right in the dock. Better yet if the USB audio output is a constant volume intended for control on another device.

So.. Is it possible? If I need hack a car charger in to a usb audio cable I'm fine with that (unless I could get both in one). This thing would do it, but it looks like it has more pins than standard usb (can't really tell in that pic, but maybe someone knows?), and the Droid doesn't.

My other options are connecting the Droid directly to the head unit via USB and mounting it as a mass storage device, but I prefer the way the Droid handles music better than the head unit, and mounting the USB is an extra step I'd probably get too lazy for. And finally, I'd considered making an app that spoofs an iPod, since my HU has iPod controls, but that's more work than it's worth when the Android music player's controls are just as good.

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HTC EVO 4G :: Way To Output Streaming Video / Audio To TV?

Jun 27, 2010

I subscribed to JetFlix, in the market. (Jetflicks! TV - Android app on AppBrain) It is a $3 app with a $10/month subscription. I watch it on my phone in my car at the lake during my lunch break. I know that probably sounds sad, but it is AWESOME. I'm a manager in the dang corporate world, and I forget that I am at work by the time I'm done with a movie and come on back to the office. It's my dirty little secret. ANYWAY, there are some great shows available on this application, and I was thinking of replacing my Netflix subscription with it if I could just stream it to my TV at home. I haven't bought an HDMI cable yet, because I don't have a use for one just yet. But is anything "streamable" to the tv? I read that only pictures and videos that were shot with the camera stream though the HDMI cable. If that is the case, what is the point? I keep all that stuff on a hard drive anyway. So my question: can I hook up an HDMI cable and stream Jetflicks to my TV? The Jetflicks movies play on the native Internet browser. So I guess a more accurate question would be: Does the native internet browser display on the TV through the HDMI cable? If so, is there audio?

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General :: Define Audio Output Of App

Apr 27, 2013

I use music application (PlayerPro) and a time (LafayChrono). Problem, the clock application serves medias volumes output, not the alarm volumes output. So, I can not set the volume independently of one another.

My question is, if it is possible to "root" the sound output of an app to another type of volume (LafayChrono to alarm volumes output) ?

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General :: No Audio With HDMI Output

May 6, 2012

When I connect my Droid RAZR MAXX or ASUS Transformer to my HD monitor, the video displays fine, but there is no sound. I suspect this is because the monitor does not have any speakers, but I was hoping there would be a way to just let the audio play from the device. That's what my laptop does when connected via VGA (which might not support audio anyway; I don't know a lot about the different inputs/outputs).

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Motorola Droid :: Audio Output Through USB While Charging

Apr 20, 2010

I'd like to use my Moto Droid in my car using as few as cables as possible. Does anyone know if there is way to connect just the USB cable so I can charge the droid and get analog audio too? I would like to connect one cable to the droid when I get in my car and not mess with the 3.5 audio connector or an FM modulator etc. I was thinking there may be a cable that connects to the droids usb and can charge the droid and have a 3.5 auxiliary audio output to plug into my stereo.

I read a few of the threads on the forum but couldn't locate the answer and it doesnt seem any of the similar 3-1 or 2-1 products I find list the moto Droid as an approved device. (HTC Multifunction Audio Adapter for CellularSouth HTC Hero / HTC Hero / Sprint Hero / T-Mobile myTouch 3G, myTouch 3G Fender / Verizon HTC Droid Eris - Phandroid Store)

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HTC EVO 4G :: Increasing Audio Output Volume Not Rooted?

Jul 1, 2010

Does anyone feel that EVO's media audio output volume is low? I am a former iPhone user and IMO there is a noticeable difference in the overall output db level compared to iPhone only when playing audio files like mp3 and .wav. Does anyone know if there is a way to boost the audio output volume for non rooted users? Is there an app that could help?

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Samsung Galaxy S :: Audio Output Could Be Louder - Any Way To Increase Max

Sep 1, 2010

Fine for using headphones but I plug mine into aux on my car radio. Could be louder to be honest. Just wondered if there was any way to increase the max volume output?

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HTC EVO 4G :: Astro Player Beta For Low Audio Output On Headphones

Jun 28, 2010

Ok we all know that our evo music playback on headphones is ridiculously low especially if you coming from the iPhone, but today I found Astro player beta which have some good equalizer that can boots your audio output to new level,even louder than the iPhone 4 output with the same headphones,so try it out and keep in mind its still in beta stage so it force close a lot but it doesn't affect music playback when it does that.

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Motorola Droid :: Random Audio Output Switch To Handset

Nov 9, 2009

I have a little issue here with my droid's audio output: it seems to be randomly deciding it should come out of the handset rather than the speaker. I notice this happens often when I end a call, that the audio doesn't switch back to the speaker, but it also seems to happen completely at random - for example, it happened at some point when I was asleep last night, which prevented my phone waking me up when my mom was trying to call me this morning, because the ringtone came out of the handset, and thus, was too quiet for me to hear.

Using google voice, I found a workaround - I set voicemails to play through the speaker instead of the handset in the app, so if I go in there and play a voicemail, it'll switch me back to speaker. I can also sometimes get switched back to speaker by making a call, but that's inconsistent, since calls are just as likely to cause the problem as to solve it. I don't know if this is being caused by an app or not.

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General :: Using Bluetooth Audio Output AND Headphone Jack At Same Time

Feb 12, 2012

found an app that will allow me to send audio to a bluetooth receiver / speaker AND allow me to use headphones / wired speaker at the same time??

I'm not rooted. If this could be done via rooting, I might just consider doing it.

AND, while I'm asking, can the audio signal be sent to and received by two different bluetooth receivers at the same time? I currently only have one bluetooth audio receiver, so I can't try it.

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General :: Using Bluetooth Connection And Headset Audio Output At Same Time?

Sep 6, 2012

I know this might be a silly question and probably not usefull to many but i am trying to connect audio out via bluetooth and out the headset jack at the same time

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General :: How To Output Android Camera Output To PC Through WiFi Or Internet

Feb 6, 2014

I want to output Android's camera output to a PC through Wifi or Internet.

I cant find a suitable app for the purpose. I did try to find one.

Closest I came to was MirrorOp Sender, but it shares screen?

I have a Galaxy S3 I9300 and a Galaxy Mini S5570

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General :: Output Music From Supplied Music App To Audio System Using HDMI

Aug 24, 2012

My MID mini-tablet (Android OS 4.0.3) has a mini-HDMI port. I have the mini-HDMI to female HDMI adapter and HDMI cable. Can I output music from the supplied music app to an audio system using HDMI? (Using the headphone jack is not practical due to the low volume output by the device.)

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Vibration Analysis On Android

Feb 19, 2014

I want to develop a Vibration Analysis application. I want to use it to measure the vibration in an Elevator so one can analyze the riding comfort.

First, the phone will be put on the flooring in the middle of the cabin, the measurement should be along the Elevator's total travel (up to 1min ride) and at least following to 2 axis (X and Y, if I can measure following Z too, it will be great). Once those data are captured during this 1min, I want to plot them on a separate graphs (first graph: X position vs time, second graph: Y position vs time). Also, I might add the feature of measuring the elevator speed while traveling inside the cabin.

My questions are:

1- Can I get the data that I want only from the accelerometer? or I should use the gyroscope and the digital campus as well?
2- Can the accelerometer (on Samsung Note 2 for example) detect small vibrations? like ones that occurs in an elevator (around 15 m-g)

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Android :: Battery Consumption Analysis

Jun 11, 2010

My question is basically "can anyone recommend an application that will tell me which applications are draining my battery". I've read about task killers and usage and turning stuff on and off, I'm not worried about that, and I don't need to know why (i.e Google Earth uses X units per hour.

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Android :: Signal Analysis - Some Filters

Jun 18, 2010

As the world cup is the main sport event and the Vuvuzelas are the most annoying sound in the world, I had an idea to remove them definitively by reading this new ( http://www.popsci.com/diy/article/2010-06/simple-software-can-filter-out-vuvuzela-whine) that told us that the sound has some frequencies at 233Hz + 466,932,1864Hz.

I have already made a lot of Android application by myself but never touching the signal analysis and filtering part, so here are a few questions, I do not ask for precise answer but maybe links and tutorial to find something to work on. I guess that a new Android phone has the CPU and power to make real-time filtering.

1) How can I intercept the sound coming from the Jack microphone - Line-IN plug- ( I plan to link my TV to my phone with Jack to Jack plug). My question is totally software and coding, I have all the wires and adapters to plug a jack into my android phone Line IN.

2) Are there some Fourier analysis librairies, may I have a look to Java libraries on the web and import them to my Android project?

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Android :: How To Track And Analysis Droid App

May 25, 2010

I want to know what kind of users are using my app.

I think I need the device id, the network type, the network provider name and its ip address. is there any framework to do this thing? And of course I will ask user to enable it before I can do it and leave an option to disable it when user want to toggle it off.

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Android :: Develop Golf Video Analysis Software

Dec 5, 2009

I am a golf professional from Pennsylvania. I am looking for an app that I can:
-Record and import videos taken w/ the Droid
-Slowmotion Playback (forward and reverse)
-Frame by Frame Playback (forward and reverse)
-Save clips by video angle (down the line, face on, etc)
-Ability to draw lines/shapes on the screen w/ various drawing tools. If anyone has any interest, please let me know. I am not sure how to go about developing this type of stuff, so anyone who can provide some insight, it would be much appreciated.

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Android :: Guitar Tuner - No Public API For Frequency Analysis

Oct 17, 2010

I am looking for some help. I'm new to android, and java development. I've got a pretty good handle on the basics, but I'm having an issue figuring out some more advanced operations. I'm working a guitar tuner, which is a stepping stone to a chromatic piano tuner. There is no public API for frequency analysis, so I'm thinking I need to write into code a Fast Fourier Transform, and I'll assume I need to import a different package for this. Once I display the frequency of any given note, I need it to reference it's offset to a pre-measured Mhz. There is alot to write, I'm aware, but my first step is to try to figure out HOW to get the frequency, and display it in the UI.

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Golf Video Analysis Software

Dec 5, 2009

I am a golf professional from Pennsylvania. I am looking for an app that I can:

-Record and import videos taken w/ the Droid
-Slowmotion Playback (forward and reverse)
-Frame by Frame Playback (forward and reverse)
-Save clips by video angle (down the line, face on, etc)
-Ability to draw lines/shapes on the screen w/ various drawing tools

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General :: Analysis Of Power Consumption Per Process?

Nov 20, 2012

What is the best android software for showing power consumption by process over time?

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HTC EVO 4G :: What Makes Best Touch Qwerty Keyboard? Deep Analysis

Jun 8, 2010

Now I'm not a professional reviewer, but I think I have some good insight to share. Also you may be wondering why this is in the EVO 4G forum, well the EVO is considered one of the best phones out there and I happen to own an EVO myself. I think the phone is great, but I'm usually critical of my devices and I like to take a look at the keyboard as I'm an avid texter. I see a lot of posts of people wondering why one keyboard is not as accurate as another phone. If you're a big texter and you're looking for a really good text phone, I promise this is a good read. So what makes the best touch QWERTY keyboard? Well we would have to look at the criteria of what makes the best QWERTY keyboard:
Keyboard layout
Capacitive touch screen quality
Multitouch
Accuracy of predictive text
If a phone can do all of these things perfectly, you'll have a phone that will be a texting monster. Lets take a look at what I think is the most important criteria, keyboard layout.

Portrait Keyboard Layout
Unfortunately, I think the EVO comes in last for keyboard layout. It has the largest screen, but it wastes most of it with its oversized cursor buttons. The cursor buttons need to be smaller for the other keys to breathe and need to be in a D-Pad layout. If the keyboard is top notch, we shouldn't be using the cursor keys so frequently to fix errors. Also why the keyboard takes up 2/3 of the screen confuses me. This is purely opinion, but I would rather have the "hide keyboard" button not take up space and move it in the upper right like the Nexus One and iPhone as a "Done" button. Lastly the EVO has the shortest "width wise" space bar. The space bar is used frequently and shouldn't be gimped like that. So that leaves the Nexus 1 and iPhone. If you look closely, the iPhone has the most space between keys. Most typing errors are from keys being so close together and hitting the wrong key.

The EVO faces the same problem, although the keys are bigger, so are the keys that are right next to it. Bottom line, keys not only need to be bigger, they need more breathing room in between each other. Another close detail is the "q" and "p" key. The EVO has those keys farther away from the edge of the screen than the iPhone and Nexus 1. The edge of the screen is the least responsive area, so is this space a benefit or a negative? My take on it is that one of two things happen, you either hit the neighboring key, or the key doesn't register at all. If you hit the neighboring key, it takes much longer to edit, rather than to just try and hit the key again. So even though the edge is less responsive, its more beneficial to have the "q" and "p" key closer to the edge and away from its neighboring key. Portrait Keyboard layout goes to iPhone, 2nd Nexus1, 3rd EVO 4G

Landscape Keyboard Layout
Next is landscape mode. I thought this deserved to be addressed as it changes everything. Although the iPhone still has more space between the keys, I'm gonna have to give this landscape mode to the EVO. Unfortunately the space bar on the EVO is STILL the shortest out of the three. So why does landscape make such a big difference even though the keys on the EVO are tightly packed? Well the difference is that the keys are now squares, instead of thin rectangles. This increases accuracy a lot and pretty much negates the disadvantages of having narrow spaces in between the keys. Again HTC could of capitalized on more space for the general keys by not taking up so much space with the cursor keys. As for the Nexus1, the keys are slightly bigger than the iPhone, but are still really tightly packed, so I would say its a tie.
Landscape mode goes to EVO, tie for iPhone and Nexus 1

Capacitive Touch Screen Quality
What good is a keyboard if the screen can't even read your touch actions? I know that the EVO is not tested in this, but we can still use this as a base of comparison. I really believe that the quality of the screen plays a very big role in the responsiveness of your touch actions. Nothing is more annoying then having your touch actions not being registered correctly or not at all. Right off the bat, the Nexus1 is out. So its now the iPhone and EVO 4G. From what I have read, but I can't seem to find the article. The EVO 4G uses a much higher quality capacitive touch screen compared to the Nexus1, most likely very close to the iPhone. So I'll say its a tie between the EVO and iPhone.
Capacitive Touch Screen quality goes to, EVO 4G/iPhone tie, 2nd Nexus 1.

Multitouch
With a multitouch keyboard you're able to type faster. All those fast typers out there can really appreciate a multitouch keyboard. I'm not sure if the Nexus1 supports this, but I don't think it does, so correct me if I'm wrong. So in this case you either have multitouch keyboard or you don't and the iPhone is the only one to have it.
Multitouch goes to iPhone, tie for EVO 4G and Nexus1

Accuracy of Predictive Text
I don't have any experience in this on the Nexus1, but only on the EVO 4G and iPhone. So anyone can chime in if I'm incorrect on this matter. I would think the EVO and Nexus1 would be the same considering they're both Android devices. From my experience and watching many videos, it seems like the iPhone does a better job at correcting and predicting text input compared to the EVO.
Predictive text goes to the iPhone, tie for EVO 4G/Nexus1

Misc
So the last thing I think all the phones adds a little something to make texting easier that doesn't quite fit the criteria. The iPhone OS has a pretty neat magnifying glass where you can move the cursor. I found this extremely handy. The EVO 4G has the cursor buttons instead, which isn't as slick, but can prove to be more precise. Then finally both the EVO 4G and Nexus1 has the voice to text feature from Google, which is pretty dang accurate.
MISC goes to the EVO 4G, tie for iPhone/Nexus1

So what phone do you think has the best, most accurate touch QWERTY keyboard? Is it one of these three, or another phone out there. Also what do you think makes the best touch QWERTY keyboard phone? I appreciate those who took the time to read, took me a while to type up.

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Samsung Vibrant :: Stuck At File Analysis After Flashing

Dec 1, 2010

My phone was rooted with the 2.2 firmware everything was working fine and yesterday by itself the phone shut off when i tried to boot it, stays in the samsung galaxy boot screen. I tried going into download by holding vol+home+power but it says POWER RESET or UNKNOWN UPLOAD MODE. The phone is able to connect with my pc I tried flashing 2.2 Froyo with odin3 but its stuck at File analysis. Is there any way to fix this? I cant return the phone I bought it unlocked off ebay.

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