Recording audio with low kbps using recorder.js

Question

I am using recorder.js The final output which i get from this code is 48khz, 1-channel (mono) mp3 file. But my requirement is 8khz, 1-channel mp3 file. How can i achieve this with the help of recorder.js

Kindly help me to resolve the issue.

https://cdn.rawgit.com/mattdiamond/Recorderjs/08e7abd9/dist/recorder.js

Thanks, Sangeetha P.

Answer 1

I found an solution. There is no option to change sample rate in Recorder.js.

I have found another plugin RecordRTC. You can record in low kbps.

Set sample rates such as 8K or 16K. It records 16kHz audio file.

var options = { type: 'audio', desiredSampRate: 16 * 1000 };

https://github.com/muaz-khan/RecordRTC/blob/master/simple-demos/audio-recording.html