server.on('message', function (message, remote) {
// Start of recording
if(Buffer.from('start').compare(message) === 0) {
console.log(chalk.yellow('•') +' Now recording...');
// End of recording
} else if(Buffer.from('end').compare(message) === 0) {
console.log(chalk.yellow('•')+' Recording ended, now converting...');
var buff = Buffer.concat(bufferArray);
var filename = `recording ${currentTime}.wav`;
var writer = new wav.FileWriter(`recordings/${filename}`, {
channels: 1,
sampleRate: 8000,
bitDepth: 8
});
writer.write(buff);
writer.end();
console.log(chalk.green('•') + ' ' + chalk.green(`Recording done!\n`));
playRecording(filename);
notifyPartner(remote);
} else if(Buffer.from('request-msg').compare(message) === 0) {
console.log(chalk.green('• Message has been requested!'));
sendMessage();
} else {
try {
bufferArray.push(message);
} catch(e) {
console.log(e);
}
}
});
binaryServer.on('connection', function(client) {
console.log('new connection');
var fileWriter = new wav.FileWriter(outFile, {
channels: 1,
sampleRate: 48000,
bitDepth: 16
});
client.on('stream', function(stream, meta) {
console.log('new stream');
stream.pipe(fileWriter);
stream.on('end', function() {
fileWriter.end();
console.log('wrote to file ' + outFile);
});
});
});
client.on('stream', function(stream, meta) {
console.log(COUNT);
COUNT += 1
var fileWriter = new wav.FileWriter('demo1.wav', {
channels: 1,
sampleRate: 41400,
bitDepth: 16
});
stream.pipe(fileWriter);
stream.on('end', function() {
fileWriter.end();
});
for(var id in binaryserver.clients){
if(binaryserver.clients.hasOwnProperty(id)){
var otherClient = binaryserver.clients[id];
if(otherClient != client){
var send = otherClient.createStream(meta);
stream.pipe(send);
}
}
}
});
// environment properties, and then Bluemix's VCAP_SERVICES environment property
// username: '******',
// password: '******'
}
);
const micInstance = mic({
rate: '48000',
channels: '1',
debug: false
});
const micInputStream = micInstance.getAudioStream();
const wavStream = new wav.FileWriter('./audio.wav', {
sampleRate: 48000,
channels: 1
});
const recognizeStream = speechToText.createRecognizeStream({ content_type: 'audio/wav' });
micInputStream.pipe(wavStream);
wavStream.pipe(recognizeStream);
recognizeStream.pipe(fs.createWriteStream('./transcription.txt'));
// note:
// If you just kill the process with control-c, the .wav file will have an incorrect header, and any in-flight
// transcription will be lost.
// This allows for a graceful termination of the recording, and the process will automatically exit after everything is
// complete.
stream.on('end', function() {
fileWriter.end();
console.log('wrote to file ' + outFile);
});
stream.on('end', function() {
fileWriter.end();
});