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Hello, how to convert wave format audio file into amr format file? The Android Recorder can save audio file in amr format....
link: There isn't any automatic way to do it. You will need to implement the 'amr' format....

I believe there is issues with that lib in which the target sdk can't be set higher then 22, but...
link: No I am using Liblame library by warwaound https://www.b4x.com/android/forum/threads/lib-liblame-mp3...
link: Are you using Moster67's wrapper in post #3? I have a tester of one of my apps that convert wav...
link: Hi, I used Liblame library to convert WAV to MP3. In android 4.1.2 it works fine but in ver 8.1.1 t...

Thank You, Syd Wright Actually there are some well know apps like "Automatic"(call recorder) which save in amr. 100KB for 1 min recording.That much in wav format will have file size in MB...
link: OK DonManfred, Seems like this is not possible. Thanks Anyway....
link: i havn´t seen any amr creating library...
link: file directly in amr format or convert wav into amr format. Is there any way of doing this. Pls give...

Read THIS...
link: My application needs This piece of code To complete please guide me...
link: Minute Record Equal With 6mb but in amr format file size is less little Plz Give me a way for save...

+1 Hello, I found in gitHub a free lib for streaming in Rtsp audio and video. I think that it can be used with javaobject but I don't know very well java. You can find the lib : https://github.com...
link: Hello, I found in gitHub a free lib for streaming in Rtsp audio and video. I think that it can be used with javaobject but I don't know very well java. You can find the lib : https://github.com/...

See my answer here: http://www.b4x.com/android/forum/threads/wave-into-amr.32124/...
link: Hi , Is there anybody can tell me how to save audiorecord file in amr format ? Could give me...

UPDATE We sniffed a call between Android Native Stacks and found that offer the following codecs in this order or prioritization: a=rtpmap:9 6 GSM-EF R/8000.. a=rtpmap:97 AMR/ 8000.. a=rtpmap:3 GSM...
link: The codec change is done at the Android RTP library level android.net.rtp.AudioCodec......
link: Gateway what codecs it can use, in this case, the Android Native SIP/RTP stack can use, G711, AMR...
link: Not sure how the codec is selected. You can see the native API here: http://developer.android.com/re...

If you really need an AMR_WB format, you could record first record in a WAV format, then use FFmpeg to convert to AMR_WB format....
link: Looking at the problem on the internet, it appears that AMR_NB (and WB) is not as widely supported...
link: .OF_THREE_GPP Ar.AudioEncoder = Ar.AE_AMR_NB Ar.setOutputFile("","/dev/null"...
link: .OF_THREE_GPP Ar.AudioEncoder = Ar.AE_AMR_NB Ar.setOutputFile("","/dev/null...

Hi All I am using the following code in B4A to record an audio file. Dim AR As AudioRecorder AR.Initialize AR.AudioSource = AR.AS_MIC AR.OutputFormat = AR.OF_THREE_GPP AR.AudioEncoder = AR.AE_AMR_NB AR.setOutputFile(GetTempFolder, FileName) Please note that, before I used the above format, I was using LibLame to encode mp3 and send to android & iOS devices. Now that LibLame is not working properly after upgrading the target SDK, I switched to...

Thank you for the fast response. I tried this and it working fine: Sub btnplaysong_longclick File.Copy(File.DirAssets, "song.mp3", Provider.SharedFolder, "song.mp3") Dim in As Intent in.Initialize(in.ACTION_SEND, "") in.SetPackage("com.whatsapp") in.setType("audio/3gp|audio/AMR|audio/mp3") in.PutExtra("android.intent.extra.STREAM", Provider.GetFileUri(FileToSend)) in.Flags = 1...