README for speech-to-file

speech-to-file is a demo application for libmp3lame.js, based on the speech-to-server demo.

This demo records audio input from the microphone and encodes it client-based to MP3 data.

In difference to speech-to-server, this demo does not require a server for storing the encoded data, that is, the audio is not sent to a server, but instead stored locally into a blob/buffer.

When the recording is stopped, a download link for the encoded MP3 is triggered.

The idea for replacing the dependency of a server with a 'local' buffer is basically from the AudioRecorder demo (slightly modified, so that it also works in Firefox).

Tested with:

• Firefox (ver. 26)
• Chrome (ver. 31)

NOTE: Chrome needs to be allowed to load local files, e.g. start with command line switch --allow-file-access-from-files

Demo

Try out at the demo page.

Setup:

• your device needs a microphone
• accept, when asked to allow your browser access to the microphone

Usage:

• press Start recording will start recording (you may need to allow your browser access to your mircophone in this step)
• pressing Stop recording will open a dialog for downloading the recorded MP3 file
• note: recording & encoding to MP3 is done all on the client-side (i.e. within your browser); no data is sent to a server.

NOTE: If you access the demo page via https, most browser will make the permission for accessing your microphone from this page will be persistent; if accessed via http the permission only lasts until you leave the page.

License

See file LICENSE for further information.