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Convert FLV to AMR - Extract Mobile-Ready Voice Audio

Extract audio from Flash videos. Get compact voice files for any mobile device.

Step 1: Upload your files

You can also Drag and drop files.

Step 2: Choose format
Step 3: Convert files

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Need Audio from Old Flash Videos?

FLV files were everywhere during the Flash era. Now you have lectures, interviews, or voice recordings stuck in this outdated format. AMR extraction gives you the audio in a compact format designed specifically for voice content on mobile devices.

Converting FLV files to AMR is particularly useful when the video contains speech rather than music. AMR (Adaptive Multi-Rate) was designed by mobile carriers specifically for voice compression, making it ideal for extracting spoken content from old videos.

How to Convert FLV to AMR

  1. Upload your FLV file - Drag and drop or click to select your Flash video
  2. Select AMR as the output - Choose AMR for voice-optimized audio extraction
  3. Download your audio - Get your compact voice file ready for mobile use

The entire process happens in your browser. No Flash Player needed, no software to install.

FLV vs AMR: Understanding the Formats

FLV (Flash Video) was Adobe's video container format that dominated web video from 2005 to 2015. It typically contains video encoded with VP6 or H.264 codecs and audio in MP3 or AAC format. Since Flash's discontinuation in 2020, FLV files have become increasingly difficult to play.

AMR (Adaptive Multi-Rate) is a pure audio format developed by Ericsson and standardized by 3GPP. In our testing, AMR produces extremely small files - a 5-minute voice recording typically compresses to under 500KB. This makes it perfect for voice memos, recorded lectures, and any content where speech clarity matters more than music quality.

The conversion extracts only the audio track from your FLV and re-encodes it using AMR's speech-optimized algorithms.

When FLV to AMR Makes Sense

Recorded Lectures and Presentations

Educational content recorded during the Flash era often lives in FLV format. Converting to AMR lets you listen on your phone without streaming video - perfect for reviewing material during commutes.

Interview Archives

Voice interviews don't need video. Extract the audio to AMR for compact storage and easy mobile playback.

Voice Messages from Old Systems

Some legacy voicemail and messaging systems exported to FLV. AMR brings this content back to a format mobile devices handle natively.

Low-Bandwidth Sharing

AMR's tiny file sizes make it practical to share voice content via MMS or on slow connections where MP3 would be impractical.

What to Expect from the Conversion

AMR is optimized for human speech, not music. The format samples at 8kHz (narrowband) - sufficient for clear voice reproduction but not suitable for music or complex audio. If your FLV contains music, consider FLV to MP3 instead.

File sizes drop dramatically. A 10-minute voice recording that takes 5MB in FLV might convert to under 1MB in AMR. This compression focuses on preserving speech intelligibility while discarding audio information outside the speech frequency range.

Browser-Based Conversion

Our converter works entirely in your browser:

  • Windows, Mac, Linux, Chromebook - any operating system
  • Chrome, Firefox, Safari, Edge - any modern browser
  • iPhone, iPad, Android - convert on mobile devices too

No plugins required. Flash Player is not needed to convert FLV files.

Alternative Formats to Consider

AMR excels at voice content, but other formats might serve you better depending on your needs:

  • FLV to MP3 - Better for music or when you need maximum compatibility
  • FLV to AAC - Higher quality audio for Apple devices
  • FLV to WAV - Uncompressed audio for editing purposes

Choose AMR specifically when file size matters and your content is primarily speech.

Pro Tip

AMR comes in two variants: AMR-NB (narrowband, 8kHz) and AMR-WB (wideband, 16kHz). Most conversions use AMR-NB which is sufficient for voice. If you need higher quality voice audio, consider AAC or Opus instead - they offer better quality at similar file sizes.

Common Mistake

Using AMR for music extraction. AMR was designed exclusively for speech and will make music sound terrible. The 8kHz sampling rate cuts off everything above 4kHz, eliminating most musical harmonics. Always use MP3 or AAC for music content.

Best For

Archiving large collections of voice-only content like recorded lectures, interviews, podcasts, or voicemails where storage space is limited. AMR's tiny file sizes let you store 10x more content than MP3.

Not Recommended

Don't use FLV to AMR for any content containing music, sound effects, or audio where fidelity matters. AMR sacrifices audio quality for extreme compression - acceptable for voice, unacceptable for anything else.

Frequently Asked Questions

AMR (Adaptive Multi-Rate) is an audio format designed specifically for voice recordings on mobile devices. It was developed by the 3GPP consortium and is widely used for voicemail, MMS messages, and voice memos. AMR excels at compressing speech to very small file sizes while maintaining clarity.

For voice content, yes. AMR is optimized for speech frequencies (300-3400 Hz) and produces clear, intelligible voice recordings. However, it's not suitable for music - the narrow frequency range means musical content will sound muffled. Use MP3 or AAC for music extraction.

Significantly smaller. AMR typically compresses voice content to 1-2KB per second. A 10-minute voice recording might be under 1MB in AMR, compared to 5-10MB in MP3. This makes AMR ideal for storage-limited devices or slow network transfers.

Yes. Most Android phones play AMR natively since it's the standard format for voice recordings. iPhones can play AMR files through apps like VLC. Many feature phones also support AMR playback directly.

No. Our converter processes FLV files directly in your browser without requiring Flash Player. This is important since Adobe discontinued Flash Player in 2020 and browsers no longer support it.

Yes. The conversion happens locally in your browser. Your FLV files are not uploaded to any server - processing occurs entirely on your device. The audio file is generated on your computer and stays there.

The AMR format will preserve the voice portions clearly but music will sound degraded. If your content mixes speech and music (like a podcast with intro music), consider MP3 instead for better overall quality.

Yes. Upload several FLV files and convert them all to AMR in a single batch. This is useful when processing archives of recorded lectures or interview collections.

File size. AMR files are typically 3-4 times smaller than equivalent MP3 files for voice content. If storage space or bandwidth is limited, AMR delivers acceptable voice quality at much smaller sizes. Choose MP3 when you need broader device compatibility or music support.

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