Questions tagged [amr]

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

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Playing Audio recorded on BlackBerry externally

I have a BB app that records and sends audio to a web service and is stored as a BLOB on my DB. I would like to know how I can play this audio from another source that isn't the BB player. I am able to save the audio data as a byte array on the BB…
8vius
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How can I write a program to dispart the audio and video track from .3gp file?

I want to write a program that dispart the audio and video track from .3gp file. (The format of video track is h.263 and audio is AMR. The data is generated from Android.) A lot of information had been surveyed from internet but I still can not…
Ray
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Can not play amr audio file in iOS

Trying play AMR audio file using this code: var player: AVAudioPlayer? = nil WebService.shared.download(self.dataSource.object(at: indexPath)) { data in do { try…
zzheads
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Convert amr to mp3 with ffmeg on ubuntu - Input/output error

I want to convert amr to mp3. I am following after this question: AMR to MP3 conversion with FFMPEG and typing: ffmpeg -i example.amr -ar 22050 example.mp3 But output contains errors: ffmpeg version 2.8.11-0ubuntu0.16.04.1 Copyright (c) 2000-2017…
Daniel
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Could an amr audio file bytes contains a `#` character?

I'm developing a socket communicate routine, and the messages delimiter is a single # character. And the data sending may contain .amr audio files. I want to confirm whether the content of the file might contains the # delimiter character, which may…
Alfred Huang
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MediaException: Cannot create DataSoruce for capture://audio on Samsung

I'm writting midlet that captures audio on mobile. System.getProperty("supports.audio.capture"); - returns true Manager.getSupportedContentTypes("capture"); - returns "audio/amr" My mobile is Samsung SGH-G800 and according to its spec supports…
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How to convert audio.m4a to audio.amr on OS X?

I tried installing ffmpeg $ brew install ffmpeg and running ffmpeg $ ffmpeg -i audio.m4a -ar 8000 -ab 12.2k audio.amr I got the following error: Automatic encoder selection failed for output stream #0:0. Default encoder for format amr (codec…
Tylor Hess
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How to use opencore-amr on android nougat

My application is using AMR using opencoreamr-android. My wrapper includes calls which check AMR symbols and libstagefright (like libstagefright_soft_amrdec library) are present in the system. However since android nougat i cannot access…
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Duration of an amr audio file

i want to find the duration of an audio file of type "amr" without converting it to other audio formats with any way? AK
Antonis
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Is there an alternative to opencore amr to convert wav to amr on iOS?

I have a project that needs to send amr files to the server. The only solution I found so far is a cocoapods library, a swift one, linked to different builds of opencore-amr library. https://github.com/feuvan/opencore-amr-iOS cocoapods:…
Mikael
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Can't open received amr/jgp file from socket on android

To send and receive file via socket over Wifi I have used following code... Client side : Socket socket = new Socket(dstAddress, dstPort); int bufferSize=socket.getReceiveBufferSize(); InputStream in=socket.getInputStream(); …
Shahed
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Parsing AMR-WB Codec bitstream

I am using the amr-wb+ codec provided by 3gpp. On one of the websites for documentation, they were explaining how the raw bitsream file is parsed http://www.3gpp.org/ftp/Specs/archive/26_series/26.290/26290-c00.zip And this document which I'm…
user3772547
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iOS Deprecated Audio Format - AMR (Adaptive-Multi-Rate)

So this is something I've been trying to get my head around when I was trying to load one of my older apps. There's a lot of threads where people are asking for the supported audio formats in iOS. And in most of them someone comments that support…
ifMike
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Output of ARM-WB decoder - What is the format? and How to play it?

I downloaded the 3GPP AMR-WB codec (26.173) from http://www.3gpp.org/DynaReport/26173.htm and successfully compiled it. However, the file format generated from the decoder is some so-called binary synthesized speech file (*.out). I am wondering what…
Grassright
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Android MediaCodec AMR-NB realtime decoding

I'm working on VoIP via a socket like API. (With a narrow band connection) I need to encode each voice frame (20ms) and send via said api, then decode it on the other side. I tried working with Opus through NDK but it wasn't going anywhere so I…
Eitan F
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