diff --git a/lib/mic.js b/lib/mic.js
index 2f76ae2..4e0b249 100644
--- a/lib/mic.js
+++ b/lib/mic.js
@@ -16,6 +16,7 @@ var mic = function mic(options) {
     var exitOnSilence = options.exitOnSilence || 0;
     var fileType = options.fileType || 'raw';
     var debug = options.debug || false;
+		var buffer = options.buffer || 500;
     var format, formatEndian, formatEncoding;
     var audioProcess = null;
     var infoStream = new PassThrough;
@@ -47,18 +48,20 @@ var mic = function mic(options) {
             if(isWindows){
               audioProcess = spawn('sox', ['-b', bitwidth, '--endian', endian,
                                    '-c', channels, '-r', rate, '-e', encoding,
-                                   '-t', 'waveaudio', 'default', '-p'],
+                                   '-t', '--buffer', buffer , 'waveaudio', 'default', '-p'],
                                     audioProcessOptions)
             }
             else if(isMac){
               audioProcess = spawn('rec', ['-b', bitwidth, '--endian', endian,
                                     '-c', channels, '-r', rate, '-e', encoding,
-                                    '-t', fileType, '-'], audioProcessOptions)
+                                    '-t', fileType, '--buffer', buffer , '-'], audioProcessOptions)
             }
             else {
+							var buffer_time=(buffer/rate)*1000000;
               audioProcess = spawn('arecord', ['-c', channels, '-r', rate, '-f',
-                                   format, '-D', device], audioProcessOptions);
+                                   format, '-D', device, '--buffer-time', buffer_time], audioProcessOptions);
             }
+						if(debug)console.log(audioProcess);
 
             audioProcess.on('exit', function(code, sig) {
                     if(code != null && sig === null) {