Change M4A sample rate
Upload an M4A file and resample it to the sample rate you need.
New sample rate
Your file never leaves your device. All processing happens right in your browser, and nothing is uploaded to a server.
Upload an M4A file and resample it to the sample rate you need.
Your file never leaves your device. All processing happens right in your browser, and nothing is uploaded to a server.
Your M4A is decoded, resampled, and re-encoded as AAC at the new rate. As with any lossy round trip there is a small quality cost, minimized by a high output bitrate.
Voice memos are frequent visitors here: recorded at 48 kHz on the phone, then required at 16 kHz by a transcription service or voice API.