Record sound: Difference between revisions

=={{header|Scala}}==

[[Category:Scala Implementations]]

{{libheader|Scala}}

<lang Scala>import java.io.{ File, IOException }

import javax.sound.sampled.{ AudioFileFormat, AudioFormat, AudioInputStream, AudioSystem }

import javax.sound.sampled.{ DataLine, LineUnavailableException, TargetDataLine }

object SoundRecorder extends App {

// record duration, in milliseconds

final val RECORD_TIME = 30000 // 1 minute

// path of the wav file

val wavFile = new File("RecordAudio.wav")

// format of audio file

val fileType = AudioFileFormat.Type.WAVE

val format = new AudioFormat( /*sampleRate =*/ 16000f,

/*sampleSizeInBits =*/ 16,

/*channels =*/ 2,

/*signed =*/ true,

/*bigEndian =*/ true)

val info = new DataLine.Info(classOf[TargetDataLine], format)

val line = AudioSystem.getLine(info).asInstanceOf[TargetDataLine]

/** Entry to run the program

*/

// creates a new thread that waits for a specified

// of time before stopping

new Thread(new Runnable() {

def run() {

try {

Thread.sleep(RECORD_TIME)

} catch {

case ex: InterruptedException => ex.printStackTrace()

}

line.stop()

line.close()

println("Finished")

}

}).start

//Captures the sound and record into a WAV file

try {

// checks if system supports the data line

if (AudioSystem.isLineSupported(info)) {

line.open(format)

line.start() // start capturing

val ais = new AudioInputStream(line)

println("Recording started")

AudioSystem.write(ais, fileType, wavFile)

} else println("Line not supported")

} catch {

case ex: LineUnavailableException => ex.printStackTrace()

case ioe: IOException => ioe.printStackTrace()

}

}</lang>

=={{header|Tcl}}==

{{libheader|Snack}}<lang tcl>package require sound