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Questions tagged [amr]

The Adaptive Multi-Rate audio codec or AMR for short is a patented audio data compression scheme optimized for speech coding.

140 questions
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AMR to WAV converter in Java

Is there AMR to WAV , WAV to AMR converter available written Java? I need to do conversion in realtime. Looking for open source, free or paid. Thanks.
sohilv
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Stream as html5 audio or convert .amr to .ogg

I want to stream .amr audio files on my server. After spending a couple hours of research, it's clear to me that this is not feasible under the current state of html5 audio. Following this disappointing finding, I spent several additional hours…
jtrick
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unknown audio format - where to dig into?

On my Android phone (Philips Xenium W632), I have an option of calls' recording by its own software (without any external programs, this option is turned on in service menu). The problem is that resulting format is not known for any player I tried.…
Vasily A
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Split and merge/concat recorded audio

I need to be able to split and merge recorded audio in Android. Since there are a number of different formats, does anyone know which format is easiest to handle? It's only the formats with a dot under "Encoder" that is available for recording.
Bridget the Midget
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Converting 3gp (amr) to mp3 using ffmpeg api calls

Converting 3gp (amr) to mp3 using ffmpeg api calls I try to use libavformat (ffmpeg) to build my own function that converts 3gp audio files (recorded with an android mobile device) into mp3 files. I use av_read_frame() to read a frame from the input…
Sebastian L.
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Use MediaCodec encode PCM to amr-nb

I need to send Voice message, but PCM audio is too large, so I'm trying to convert PCM to AMR-NB using MediaCodec. I searched everywhere, but I can't implement it properly. I need your help. private void sendAudioFile() { initEncoder(); …
leebanon
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How to convert silk audio file from WeChat to amr format?

When I developing WeChat mini program, I want to achieve the voice control. but the audio provided by WeChat client is silk. I need to convert the silk file to some format can be recognized by 3rd voice detection service. Some 3rd services support…
hzwzw
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gstreamer fast transcode

EDIT Updated code with solution I need to transcode amr to mp3, so i wrote a gstreamer pipeline in gstreamer-java. It looks like this: src ! amrparse ! amrnbdec ! lamemp3enc ! sink (actually built with the java API, of course), i start the…
Bendlas
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1 answer

Convert Audio AMR to WAV using java libraries

I need WAV format audio files to establish some functions but if i get AMR format audio files from client side to server, I need convert it into WAV format. Now i am using JAVE library file to convert other format audio media files into WAV format.…
chellapandi k
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Playing audio AMR file from Android/cordova on google-chrome

I'm uploading a .mp4 file recorded in an cordova-based android app to a server, and I'd like users to be able to play it. Mediainfo indicates it's AMR (adaptive multi-rate, with quicktime codec type "samr"). I've tried a variety of mime types for…
MgFrobozz
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How to display the waveform for recording and make it synchronized with that when playing the record

I have met such a problem, which is to display waveform while recording, jusy like what is displayed in app recforge. The waveform should be displayed little by little as recording continues, and the waveform should be the same while playing the…
hh_mz
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4 answers

Re-encoding Wav file to AAC LC, AMR WB/NB

Is there any way to re-encode a PCM wav file to another encoding using standard Android SDK? I can see that is is possible to directly record from the mic into these formats but the app I'm writing has to record in PCM first. Due to licensing…
Code Rebel
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Inserting recorded audio(AMR and WAV) file in another file

My Android app records audio in both AMR and WAV format. And my application needs to insert second recorded audio file inside the first one at a position where it is paused. I did it right with WAV files, but the AMR file after insertion is not able…
user1190521
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2 answers

AMR Raw Output from Wireshark not playing in players

I have an issue related to the AMR codec in RTP. I have RTP capture in pcap form having the AMR-NB and AMR-WB codecs. Now, using the RTP stream analysis, i have extracted the raw output but I am not able to play that extracted raw output in any of…
NitinG
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Convert PCM encoded wav file to amr file using AmrInputStream, but not able to play it using MediaPlayer

I am converting a PCM encoded wav file to amr file in Android using AmrInputStream. I used the code from below post: converting PCM-16 to AMR using AmrInputStream Everything works fine, and the amr file is also generated. However, when I tried to…
Wei
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