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I have read regarding MP3 and its patent. I'm confuse as to which part of using MP3 I can be sued for.
Like if I create and Android App which record WAV and I want to convert it to MP3, can I get myself to a lot of trouble?
How about those Apps in Play Store which offers converting to MP3, are they paying too?
I don't know if this is the forum for a question like this... The short answer is if you're making money you have to pay. I don't think they are going to get bent out of shape if you aren't intaking any revenue, but tread carefully. You can read about MP3 royalties rates here.
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Hi Can I add audio to Video in android(Java).
List item Both are in my SD card and merge and give into mp4 format.
Yes, you can. But it will not be so easy,
You need to learn about these api's
MediaExtractor to extract data/track from file.
MediaCodec if you want to encode/decode
MediaMuxer to mux it into mp4 file
You can use all three of them together if you need to or individually.
You can find some example code here.
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I want to compare two voices(Names) in my App. Can I use Speech to Text api for it? The idea is to first convert them to text and then compare. Has anybody have tried it? If yes how accurate is it?
Comparing two audio files for similarity is an imperfect science best approached with hammers like Fast Fourier Transforms, audio "fingerprinting", and heuristic analysis. You will need to read up on signal analysis to get started. I recommend starting with this thread to get some ideas.
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There are a lot of live tv apps available in Android market.I also want to make such an application. But I don't know from where I will get the api for live tv streaming. YouTube provides a few number of channels as live. There is no Malayalam and Hindi channels. But I want these types of channels also.
Is there any solution to this problem? Please provide me some help.I have searched a lot but didn't get any solution.
I have another doubt can we implement a server for live channel broadcast and if so how?
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can anybody tell How to convert video format mov to 3gp or mp4 in android.can anybody provide example
Thanks
Andriod natively does not have such functionality. The easiest would be to use a video decoding/encoding library, such as ffmpeg. See this: ffmpeg for a android (using tutorial: "ffmpeg and Android.mk")
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I want to combine two audio files. (A audio file + B audio file = AB audio file)
After searching around, I think the following steps will work
Using an AudioTrack.
Decode PCM from audio files.
Combine PCM.
Are the above steps right, if not, what would be another way to achieve it?
Is there an example and Library source available to look at?
Check Audio Development for Android for information on the subject. Its going to take some research, I do not know much about Android or I would help further.