Transcribe a long AMR file straight off the phone.
A long AMR file from a phone recorder transcribes in one go: seven hours of AMR is only about 40 MB and is ready in roughly 14 minutes. Any AMR up to 10 hours is one upload, the first 20 minutes are free, and a $6 pack of 500 minutes finishes a recording of up to about eight hours.
Built for phones, small on purpose
A day of phone audio that fits in an email attachment.
Where AMR comes from
AMR is the codec mobile networks were built around, so Android call recorders, older voice-memo apps and many basic phones save straight to it. A recorder left running through a lecture or a long call can produce an AMR of many hours.
Tiny files, long clocks
Narrowband AMR at 12.2 kbps uses about 5.5 MB per hour, and the wideband version tops out near 11 MB. Size never limits an AMR here; the 10-hour line per file is the one you will meet.
Phone-quality sound
Narrowband AMR keeps only the frequencies of a telephone line, so voices sound thin. Speech is still transcribed, but crosstalk and a speaker far from the phone are where a narrowband recording loses words. A quiet room helps more than any setting.
If it will not upload
Send the AMR as it is first. If the upload refuses the file, convert it to MP3 first with VLC or a free converter and upload that copy. The length stays the same, so the minutes you use stay the same.
Before / after
AMR is everywhere on phones and almost nowhere in transcription tools.
✗ Stuck on the handset
The recording exists, but getting text out of an AMR usually means a detour.
- AMR left off the accepted-formats list
- Emailing the file to a computer to convert it
- A seven-hour recording cut into 30-minute clips
- Listening back at double speed for one quote
- No timestamps tying notes to the audio
- Charged by the file instead of by the minute
✓ From the phone to text
Upload the AMR from the phone or a computer and read it as one transcript.
- One AMR of up to 10 hours, sent whole
- Seven hours back in about 14 minutes
- Callers named in the brief, quotes and chapters
- Every chapter tied to a timestamp
- Seven hours uses 420 minutes of a $6 pack
- Credits that never expire
Sample
A long phone recording, chaptered.
Illustrative only: this sample was written for the page and is not from any real AMR file. It shows how a long phone recording reads with its times.
Export
One transcript. Five clean formats.
Every pack exports all five — no format is held back for a higher tier.
Plain text
De-ummed paragraphs. Ready to paste.
SRT captions
Timed to the speech. Every video editor reads this.
WebVTT
HTML5 player + YouTube uploads.
Show notes
Formatted with chapters and pull-quotes.
Machine-readable
Timestamped text for your own tools.
Pricing
Honest pricing, no surprises.
A pack from $6 (500 minutes) opens the full transcript. After that, no subscription and no auto-renew — every tier is a one-time minute pack, and credits never expire. Buy once, use the minutes whenever you need them.
Casual pack
$6/500 min
8 hours of audio — $0.72 an hour. One-time — credits never expire.
- 500 minutes of audio
- All export formats
- Unlimited AI chat per transcript
- Executive summary & key quote
Best value
$12/2,000 min
33 hours of audio — $0.36 an hour. Credits never expire.
- 2,000 minutes of audio
- Priority queue
- All export formats
- Unlimited AI chat per transcript
Bulk pack
$24/5,000 min
83 hours of audio — $0.29 an hour. Credits never expire.
- 5,000 minutes of audio
- Priority queue
- API access for batch pipelines
- All export formats
FAQ
Long AMR questions.
How long does a long AMR file take?
Processing runs at about 2 minutes per audio hour, so seven hours of AMR is ready in roughly 14 minutes. The upload is nearly instant, because seven hours of AMR is around 40 MB.
What will seven hours of AMR cost?
Seven hours is 420 minutes, which fits in the $6 pack (500 minutes) with 80 minutes left over. Ten hours is 600 minutes and needs the $12 pack of 2,000 minutes. The opening 20 minutes cost nothing on a first visit.
Is there a size limit I could hit with AMR?
In practice, no. The ceiling per file is 10 hours or 5 GB, and ten hours of AMR is about 55 MB. A recorder that ran past 10 hours needs splitting into two files at a pause, and each comes back with its own clock.
Do I need to convert AMR before uploading?
Not as a first step. Try the original, and if the upload refuses the file, convert it to MP3 first. Some phones can share a recording as M4A or MP3 directly, which skips the converter.
Can the AMR recording be in Korean or Tagalog?
Yes. 99 languages are detected automatically, so a call in Korean, Portuguese or Tagalog needs no setting before upload.
Which downloads come with it, and is the call kept private?
You get five formats from it: TXT, DOCX, SRT, VTT and JSON. The recording is processed on our own servers and never used for training, and deleting it removes the transcript as well.
Related
Other phone and voice recordings.
Hours of phone audio, one small file. Read the opening 20 minutes at no cost.
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