AMR (.amr)
AMR (Adaptive Multi-Rate) is a compressed audio format optimized for speech. Widely used in mobile telephony and voice recording.
Quick Facts
- File Extension
- .amr
- MIME Type
- audio/amr
- Category
- Audio
- Full Name
- AMR
What is AMR?
AMR (Adaptive Multi-Rate) is a specialized audio compression format designed specifically for speech coding. Developed to optimize the balance between audio quality and file size, it is the standard codec for voice data in GSM and 3G mobile networks. The format dynamically adjusts its bit rate based on network conditions, ensuring clear voice transmission even in areas with poor signal strength.
The technology behind AMR allows for efficient storage and transmission of voice recordings, making it a cornerstone of modern telephony. Unlike general-purpose audio formats like MP3 or WAV, AMR focuses exclusively on the human voice frequency range, discarding unnecessary data to achieve high compression ratios without significant loss of intelligibility. This makes it ideal for applications where bandwidth and storage are limited.
Despite the rise of high-definition audio codecs, AMR remains widely used in legacy mobile systems, voice mail services, and basic voice recording applications. Its robustness against packet loss and low computational requirements ensure it continues to serve as a reliable solution for voice communication in various telecommunications infrastructures worldwide.
Technical Specifications
| Developer | 3GPP (3rd Generation Partnership Project) |
| First Released | 1999 |
| Type | Audio Codec |
| Compression | Lossy (Speech Optimized) |
| Max Resolution | N/A (Speech Only) |
| Color Depth | N/A (Audio Format) |
Pros & Cons
+Advantages
- •Highly efficient compression for speech
- •Optimized for low bandwidth mobile networks
- •Low computational power required for encoding and decoding
- •Standardized across GSM and 3G networks
−Disadvantages
- •Poor quality for music or non-speech audio
- •Limited compatibility with modern high-fidelity audio players
- •Proprietary extensions can cause playback issues
- •Lower dynamic range compared to general audio formats
Common Use Cases
Mobile voice calls in GSM and 3G networks
Voice mail and voicemail storage
Speech recording for transcription services
Low-bandwidth voice messaging applications
Convert from AMR
Convert .amr files to other formats.
Convert AMR (.amr) files to JPEG (.jpg) format. Transform your AMR files to JPG quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to PNG (.png) format. Transform your AMR files to PNG quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to WebP (.webp) format. Transform your AMR files to WEBP quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to GIF (.gif) format. Transform your AMR files to GIF quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to MP4 (.mp4) format. Transform your AMR files to MP4 quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to MP3 (.mp3) format. Transform your AMR files to MP3 quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to WAV (.wav) format. Transform your AMR files to WAV quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to FLAC (.flac) format. Transform your AMR files to FLAC quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to AVIF (.avif) format. Transform your AMR files to AVIF quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to MOV (.mov) format. Transform your AMR files to MOV quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to MKV (.mkv) format. Transform your AMR files to MKV quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to AVI (.avi) format. Transform your AMR files to AVI quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to OGG Vorbis (.ogg) format. Transform your AMR files to OGG quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to AAC (.aac) format. Transform your AMR files to AAC quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to M4A (.m4a) format. Transform your AMR files to M4A quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to TIFF (.tiff) format. Transform your AMR files to TIFF quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to BMP (.bmp) format. Transform your AMR files to BMP quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to XML (.xml) format. Transform your AMR files to XML quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to WebM (.webm) format. Transform your AMR files to WEBM quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to WMV (.wmv) format. Transform your AMR files to WMV quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to WMA (.wma) format. Transform your AMR files to WMA quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to Opus (.opus) format. Transform your AMR files to OPUS quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to ICO (.ico) format. Transform your AMR files to ICO quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to JPEG XL (.jxl) format. Transform your AMR files to JXL quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to APNG (.apng) format. Transform your AMR files to APNG quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to 3GP (.3gp) format. Transform your AMR files to 3GP quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to M4V (.m4v) format. Transform your AMR files to M4V quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to AIFF (.aiff) format. Transform your AMR files to AIFF quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to 3G2 (.3g2) format. Transform your AMR files to 3G2 quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to AC3 (.ac3) format. Transform your AMR files to AC3 quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to AMV (.amv) format. Transform your AMR files to AMV quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to ASF (.asf) format. Transform your AMR files to ASF quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to AU (.au) format. Transform your AMR files to AU quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to CAF (.caf) format. Transform your AMR files to CAF quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to DFPWM (.dfpwm) format. Transform your AMR files to DFPWM quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to DPX (.dpx) format. Transform your AMR files to DPX quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to DTS (.dts) format. Transform your AMR files to DTS quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to DV (.dv) format. Transform your AMR files to DV quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to E-AC3 (.eac3) format. Transform your AMR files to EAC3 quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to OpenEXR (.exr) format. Transform your AMR files to EXR quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to F4V (.f4v) format. Transform your AMR files to F4V quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to FITS (.fits) format. Transform your AMR files to FITS quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to FLV (.flv) format. Transform your AMR files to FLV quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to GSM (.gsm) format. Transform your AMR files to GSM quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to GXF (.gxf) format. Transform your AMR files to GXF quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to HDR (.hdr) format. Transform your AMR files to HDR quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to IVF (.ivf) format. Transform your AMR files to IVF quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to JPEG 2000 (.j2k) format. Transform your AMR files to J2K quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to JPEG 2000 (.jp2) format. Transform your AMR files to JP2 quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to M2TS (.m2ts) format. Transform your AMR files to M2TS quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to M4B (.m4b) format. Transform your AMR files to M4B quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to MLP (.mlp) format. Transform your AMR files to MLP quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to SMAF (.mmf) format. Transform your AMR files to MMF quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to MP2 (.mp2) format. Transform your AMR files to MP2 quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to MPEG (.mpeg) format. Transform your AMR files to MPEG quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to MTS (.mts) format. Transform your AMR files to MTS quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to MXF (.mxf) format. Transform your AMR files to MXF quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to NUT (.nut) format. Transform your AMR files to NUT quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to OGA (.oga) format. Transform your AMR files to OGA quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to OGV (.ogv) format. Transform your AMR files to OGV quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to PAM (.pam) format. Transform your AMR files to PAM quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to PBM (.pbm) format. Transform your AMR files to PBM quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to PCM (.pcm) format. Transform your AMR files to PCM quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to PCX (.pcx) format. Transform your AMR files to PCX quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to PGM (.pgm) format. Transform your AMR files to PGM quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to PPM (.ppm) format. Transform your AMR files to PPM quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to QOI (.qoi) format. Transform your AMR files to QOI quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to RealAudio (.ra) format. Transform your AMR files to RA quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to RealMedia (.rm) format. Transform your AMR files to RM quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to RoQ (.roq) format. Transform your AMR files to ROQ quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to SBC (.sbc) format. Transform your AMR files to SBC quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to SGI (.sgi) format. Transform your AMR files to SGI quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to SoX (.sox) format. Transform your AMR files to SOX quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to Speex (.spx) format. Transform your AMR files to SPX quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to SWF (.swf) format. Transform your AMR files to SWF quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to TGA (.tga) format. Transform your AMR files to TGA quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to TS (.ts) format. Transform your AMR files to TS quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to TTA (.tta) format. Transform your AMR files to TTA quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to VOB (.vob) format. Transform your AMR files to VOB quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to VOC (.voc) format. Transform your AMR files to VOC quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to W64 (.w64) format. Transform your AMR files to W64 quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to WBMP (.wbmp) format. Transform your AMR files to WBMP quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to WavPack (.wv) format. Transform your AMR files to WV quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to XBM (.xbm) format. Transform your AMR files to XBM quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to XWD (.xwd) format. Transform your AMR files to XWD quickly and easily with File ConverterX — completely free.
Convert AMR (.amr) files to YUV4MPEG (.y4m) format. Transform your AMR files to Y4M quickly and easily with File ConverterX — completely free.
Convert to AMR
Convert other files to .amr format.
Convert JPEG (.jpg) files to AMR (.amr) format. Transform your JPG files to AMR quickly and easily with File ConverterX — completely free.
Convert PNG (.png) files to AMR (.amr) format. Transform your PNG files to AMR quickly and easily with File ConverterX — completely free.
Convert WebP (.webp) files to AMR (.amr) format. Transform your WEBP files to AMR quickly and easily with File ConverterX — completely free.
Convert GIF (.gif) files to AMR (.amr) format. Transform your GIF files to AMR quickly and easily with File ConverterX — completely free.
Convert MP4 (.mp4) files to AMR (.amr) format. Transform your MP4 files to AMR quickly and easily with File ConverterX — completely free.
Convert MP3 (.mp3) files to AMR (.amr) format. Transform your MP3 files to AMR quickly and easily with File ConverterX — completely free.
Convert WAV (.wav) files to AMR (.amr) format. Transform your WAV files to AMR quickly and easily with File ConverterX — completely free.
Convert FLAC (.flac) files to AMR (.amr) format. Transform your FLAC files to AMR quickly and easily with File ConverterX — completely free.
Convert SVG (.svg) files to AMR (.amr) format. Transform your SVG files to AMR quickly and easily with File ConverterX — completely free.
Convert AVIF (.avif) files to AMR (.amr) format. Transform your AVIF files to AMR quickly and easily with File ConverterX — completely free.
Convert MOV (.mov) files to AMR (.amr) format. Transform your MOV files to AMR quickly and easily with File ConverterX — completely free.
Convert MKV (.mkv) files to AMR (.amr) format. Transform your MKV files to AMR quickly and easily with File ConverterX — completely free.
Convert AVI (.avi) files to AMR (.amr) format. Transform your AVI files to AMR quickly and easily with File ConverterX — completely free.
Convert OGG Vorbis (.ogg) files to AMR (.amr) format. Transform your OGG files to AMR quickly and easily with File ConverterX — completely free.
Convert AAC (.aac) files to AMR (.amr) format. Transform your AAC files to AMR quickly and easily with File ConverterX — completely free.
Convert M4A (.m4a) files to AMR (.amr) format. Transform your M4A files to AMR quickly and easily with File ConverterX — completely free.
Convert TIFF (.tiff) files to AMR (.amr) format. Transform your TIFF files to AMR quickly and easily with File ConverterX — completely free.
Convert BMP (.bmp) files to AMR (.amr) format. Transform your BMP files to AMR quickly and easily with File ConverterX — completely free.
Convert Plain Text (.txt) files to AMR (.amr) format. Transform your TXT files to AMR quickly and easily with File ConverterX — completely free.
Convert STL (.stl) files to AMR (.amr) format. Transform your STL files to AMR quickly and easily with File ConverterX — completely free.
Convert WebM (.webm) files to AMR (.amr) format. Transform your WEBM files to AMR quickly and easily with File ConverterX — completely free.
Convert WMA (.wma) files to AMR (.amr) format. Transform your WMA files to AMR quickly and easily with File ConverterX — completely free.
Convert Opus (.opus) files to AMR (.amr) format. Transform your OPUS files to AMR quickly and easily with File ConverterX — completely free.
Convert ICO (.ico) files to AMR (.amr) format. Transform your ICO files to AMR quickly and easily with File ConverterX — completely free.
Convert JPEG XL (.jxl) files to AMR (.amr) format. Transform your JXL files to AMR quickly and easily with File ConverterX — completely free.
Convert APNG (.apng) files to AMR (.amr) format. Transform your APNG files to AMR quickly and easily with File ConverterX — completely free.
Convert 3GP (.3gp) files to AMR (.amr) format. Transform your 3GP files to AMR quickly and easily with File ConverterX — completely free.
Convert M4V (.m4v) files to AMR (.amr) format. Transform your M4V files to AMR quickly and easily with File ConverterX — completely free.
Convert AIFF (.aiff) files to AMR (.amr) format. Transform your AIFF files to AMR quickly and easily with File ConverterX — completely free.
Convert 3G2 (.3g2) files to AMR (.amr) format. Transform your 3G2 files to AMR quickly and easily with File ConverterX — completely free.
Convert AC3 (.ac3) files to AMR (.amr) format. Transform your AC3 files to AMR quickly and easily with File ConverterX — completely free.
Convert AMF (.amf) files to AMR (.amr) format. Transform your AMF files to AMR quickly and easily with File ConverterX — completely free.
Convert ASF (.asf) files to AMR (.amr) format. Transform your ASF files to AMR quickly and easily with File ConverterX — completely free.
Convert AU (.au) files to AMR (.amr) format. Transform your AU files to AMR quickly and easily with File ConverterX — completely free.
Convert CAF (.caf) files to AMR (.amr) format. Transform your CAF files to AMR quickly and easily with File ConverterX — completely free.
Convert DDS (.dds) files to AMR (.amr) format. Transform your DDS files to AMR quickly and easily with File ConverterX — completely free.
Convert DFPWM (.dfpwm) files to AMR (.amr) format. Transform your DFPWM files to AMR quickly and easily with File ConverterX — completely free.
Convert DTS (.dts) files to AMR (.amr) format. Transform your DTS files to AMR quickly and easily with File ConverterX — completely free.
Convert DV (.dv) files to AMR (.amr) format. Transform your DV files to AMR quickly and easily with File ConverterX — completely free.
Convert E-AC3 (.eac3) files to AMR (.amr) format. Transform your EAC3 files to AMR quickly and easily with File ConverterX — completely free.
Convert F4V (.f4v) files to AMR (.amr) format. Transform your F4V files to AMR quickly and easily with File ConverterX — completely free.
Convert FITS (.fits) files to AMR (.amr) format. Transform your FITS files to AMR quickly and easily with File ConverterX — completely free.
Convert FLV (.flv) files to AMR (.amr) format. Transform your FLV files to AMR quickly and easily with File ConverterX — completely free.
Convert GSM (.gsm) files to AMR (.amr) format. Transform your GSM files to AMR quickly and easily with File ConverterX — completely free.
Convert GXF (.gxf) files to AMR (.amr) format. Transform your GXF files to AMR quickly and easily with File ConverterX — completely free.
Convert IVF (.ivf) files to AMR (.amr) format. Transform your IVF files to AMR quickly and easily with File ConverterX — completely free.
Convert JPEG 2000 (.j2k) files to AMR (.amr) format. Transform your J2K files to AMR quickly and easily with File ConverterX — completely free.
Convert M4B (.m4b) files to AMR (.amr) format. Transform your M4B files to AMR quickly and easily with File ConverterX — completely free.
Convert MLP (.mlp) files to AMR (.amr) format. Transform your MLP files to AMR quickly and easily with File ConverterX — completely free.
Convert SMAF (.mmf) files to AMR (.amr) format. Transform your MMF files to AMR quickly and easily with File ConverterX — completely free.
Convert MP2 (.mp2) files to AMR (.amr) format. Transform your MP2 files to AMR quickly and easily with File ConverterX — completely free.
Convert MPEG (.mpeg) files to AMR (.amr) format. Transform your MPEG files to AMR quickly and easily with File ConverterX — completely free.
Convert MXF (.mxf) files to AMR (.amr) format. Transform your MXF files to AMR quickly and easily with File ConverterX — completely free.
Convert NUT (.nut) files to AMR (.amr) format. Transform your NUT files to AMR quickly and easily with File ConverterX — completely free.
Convert PAM (.pam) files to AMR (.amr) format. Transform your PAM files to AMR quickly and easily with File ConverterX — completely free.
Convert PBM (.pbm) files to AMR (.amr) format. Transform your PBM files to AMR quickly and easily with File ConverterX — completely free.
Convert PCX (.pcx) files to AMR (.amr) format. Transform your PCX files to AMR quickly and easily with File ConverterX — completely free.
Convert PGM (.pgm) files to AMR (.amr) format. Transform your PGM files to AMR quickly and easily with File ConverterX — completely free.
Convert PPM (.ppm) files to AMR (.amr) format. Transform your PPM files to AMR quickly and easily with File ConverterX — completely free.
Convert PSD (.psd) files to AMR (.amr) format. Transform your PSD files to AMR quickly and easily with File ConverterX — completely free.
Convert RealMedia (.rm) files to AMR (.amr) format. Transform your RM files to AMR quickly and easily with File ConverterX — completely free.
Convert RoQ (.roq) files to AMR (.amr) format. Transform your ROQ files to AMR quickly and easily with File ConverterX — completely free.
Convert SBC (.sbc) files to AMR (.amr) format. Transform your SBC files to AMR quickly and easily with File ConverterX — completely free.
Convert SGI (.sgi) files to AMR (.amr) format. Transform your SGI files to AMR quickly and easily with File ConverterX — completely free.
Convert SoX (.sox) files to AMR (.amr) format. Transform your SOX files to AMR quickly and easily with File ConverterX — completely free.
Convert STEP (.stp) files to AMR (.amr) format. Transform your STP files to AMR quickly and easily with File ConverterX — completely free.
Convert SWF (.swf) files to AMR (.amr) format. Transform your SWF files to AMR quickly and easily with File ConverterX — completely free.
Convert TTA (.tta) files to AMR (.amr) format. Transform your TTA files to AMR quickly and easily with File ConverterX — completely free.
Convert VOC (.voc) files to AMR (.amr) format. Transform your VOC files to AMR quickly and easily with File ConverterX — completely free.
Convert W64 (.w64) files to AMR (.amr) format. Transform your W64 files to AMR quickly and easily with File ConverterX — completely free.
Convert WavPack (.wv) files to AMR (.amr) format. Transform your WV files to AMR quickly and easily with File ConverterX — completely free.
Convert YUV4MPEG (.y4m) files to AMR (.amr) format. Transform your Y4M files to AMR quickly and easily with File ConverterX — completely free.
Frequently Asked Questions
AMR is designed specifically for compressing human speech to save bandwidth and storage space in mobile telephony.
Need to convert AMR files?
File ConverterX supports converting .amr files to and from dozens of formats — completely free.
Browse Conversions