Video/ Voice chat programs for Mac Mini

Hello all Mac Mini Users,
I just got my new mini and im looking to get it set up for a voice/ video chat. Any suggestions on which program is the best and also the best compatibility with PC's? Any suggestions for webcams? logitech vs. apples ISight?
thanks

Have you looked at iChat? Which IM applications do you need compatibility with? I believe iChat is compatible with AIM, ICQ and Jabber compliant.
I like my iSight, and it has a Firewire interface, which is faster than USB 2.0, especially for sustained data transmission like video. But the new built-in iSights on the iMacs run on the USB bus...

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Voice chat program

After a few days work, I have completed the mian voice chat program. I know there are so many people like me that wants that. I post these program. i will complete gui work later. and there is a problem in the program. if the speaking one do not speak for a while, the listening client will hear noise. Can some one help me.
package com.longshine.voice;
import java.io.*;
import java.net.*;
import java.util.*;
public class Server
// The ServerSocket we'll use for accepting new connections
private ServerSocket ss;
// A mapping from sockets to DataOutputStreams. This will
// help us avoid having to create a DataOutputStream each time
// we want to write to a stream.
private Hashtable outputStreams = new Hashtable();
final int bufSize = 16384;
//current speak_man
private int speakman=-1;
// Constructor and while-accept loop all in one.
public Server( int port ) throws IOException {
// All we have to do is listen
listen( port );
private void listen( int port ) throws IOException {
// Create the ServerSocket
ss = new ServerSocket( port );
// Tell the world we're ready to go
System.out.println( "Listening on "+ss );
// Keep accepting connections forever
while (true) {
// Grab the next incoming connection
Socket s = ss.accept();
// Tell the world we've got it
System.out.println( "Connection from "+s );
// Create a DataOutputStream for writing data to the
// other side
DataOutputStream dout = new DataOutputStream( s.getOutputStream() );
// Save this stream so we don't need to make it again
outputStreams.put( s, dout );
// Create a new thread for this connection, and then forget
// about it
new VoiceServer( this, s );
// Get an enumeration of all the OutputStreams, one for each client
// connected to us
Enumeration getOutputStreams() {
return outputStreams.elements();
// Send a message to all clients (utility routine)
void sendToAll( byte[] voice ,Socket socket) {
// We synchronize on this because another thread might be
// calling removeConnection() and this would screw us up
// as we tried to walk through the list
synchronized( outputStreams ) {
// For each client ...
for (Enumeration e = outputStreams.keys(); e.hasMoreElements(); ) {
// ... get the output stream ...
Socket tmp=(Socket)e.nextElement();
if(!tmp.equals(socket))
try {
DataOutputStream dout = new DataOutputStream(tmp.getOutputStream());
// ... and send the message
dout.write(voice,0,44096);
dout.flush();
} catch( IOException ie ) { System.out.println( ie ); }
// Remove a socket, and it's corresponding output stream, from our
// list. This is usually called by a connection thread that has
// discovered that the connectin to the client is dead.
void removeConnection( Socket s ) {
// Synchronize so we don't mess up sendToAll() while it walks
// down the list of all output streamsa
synchronized( outputStreams ) {
// Tell the world
System.out.println( "Removing connection to "+s );
// Remove it from our hashtable/list
outputStreams.remove( s );
// Make sure it's closed
try {
s.close();
} catch( IOException ie ) {
System.out.println( "Error closing "+s );
ie.printStackTrace();
// Main routine
// Usage: java Server <port>
static public void main( String args[] ) throws Exception {
// Get the port # from the command line
int port = Integer.parseInt( args[0] );
// Create a Server object, which will automatically begin
// accepting connections.
new Server( port );
package com.longshine.voice;
import java.net.*;
import java.io.*;
import java.sql.*;
import java.io.*;
import java.net.*;
public class VoiceServer extends Thread
// The Server that spawned us
private Server server;
final int bufSize = 16384;
// The Socket connected to our client
private Socket socket;
// Constructor.
public VoiceServer( Server server, Socket socket ) {
// Save the parameters
this.server = server;
this.socket = socket;
// Start up the thread
start();
// This runs in a separate thread when start() is called in the
// constructor.
public void run() {
try {
// Create a DataInputStream for communication; the client
// is using a DataOutputStream to write to us
DataInputStream din = new DataInputStream( socket.getInputStream() );
byte[] voice=new byte[44096];
// Over and over, forever ...
while (true) {
// ... read the next message ...
// int bytes = din.read(voice,0,44096);
int bytes = din.read(voice);
// ... and have the server send it to all clients
server.sendToAll(voice,socket);
} catch( EOFException ie ) {
// This doesn't need an error message
} catch( IOException ie ) {
// This does; tell the world!
ie.printStackTrace();
} finally {
// The connection is closed for one reason or another,
// so have the server dealing with it
server.removeConnection( socket );
package com.longshine.voice;
import java.io.*;
import java.net.*;
public class Client {
private String host="";
private String port="";
private Socket socket;
private DataOutputStream dout;
private DataInputStream din;
private Capture capture=null;
private Play play=null;
public Client(String host,String port) {
this.host=host;
this.port=port;
public void init()
try
socket = new Socket( host, Integer.parseInt(port));
din = new DataInputStream( socket.getInputStream() );
dout = new DataOutputStream( socket.getOutputStream());
capture=new Capture(dout);
play=new Play(din);
catch(Exception e)
e.printStackTrace();
public static void main(String[] args) {
Client client = new Client("172.18.220.176","5678");
client.init();
if(args[0].equalsIgnoreCase("say"))
client.capture.start();
if(args[0].equalsIgnoreCase("hear"))
client.play.start();
package com.longshine.voice;
import java.io.*;
import java.util.Vector;
import java.util.Enumeration;
import javax.sound.sampled.*;
import java.text.*;
import java.net.*;
public class Play implements Runnable {
SourceDataLine line;
Thread thread;
String errStr=null;
DataInputStream in=null;
AudioInputStream audioInputStream;
final int bufSize = 16384;
int duration=0;
public Play(DataInputStream in)
this.in=in;
public void start() {
errStr = null;
thread = new Thread(this);
thread.setName("Playback");
thread.start();
public void stop() {
thread = null;
private void shutDown(String message) {
if ((errStr = message) != null) {
System.err.println(errStr);
if (thread != null) {
thread = null;
public void createAudioInputStream() {
if (in != null ) {
try {
errStr = null;
java.io.BufferedInputStream oin = new java.io.BufferedInputStream(in);
audioInputStream = AudioSystem.getAudioInputStream(oin);
} catch (Exception ex) {
ex.printStackTrace();
} else {
public void run() {
// reload the file if loaded by file
if (in != null) {
// createAudioInputStream();
// make sure we have something to play
// if (audioInputStream == null) {
// shutDown("No loaded audio to play back");
// return;
// reset to the beginnning of the stream
// try {
// audioInputStream.reset();
// } catch (Exception e) {
// shutDown("Unable to reset the stream\n" + e);
// return;
// get an AudioInputStream of the desired format for playback
AudioFormat format = getFormat();
audioInputStream=new AudioInputStream(in, format, AudioSystem.NOT_SPECIFIED);
AudioInputStream playbackInputStream = AudioSystem.getAudioInputStream(format, audioInputStream);
if (playbackInputStream == null) {
shutDown("Unable to convert stream of format " + audioInputStream + " to format " + format);
return;
// define the required attributes for our line,
// and make sure a compatible line is supported.
DataLine.Info info = new DataLine.Info(SourceDataLine.class,
format);
if (!AudioSystem.isLineSupported(info)) {
shutDown("Line matching " + info + " not supported.");
return;
// get and open the source data line for playback.
try {
line = (SourceDataLine) AudioSystem.getLine(info);
line.open(format, bufSize);
} catch (LineUnavailableException ex) {
shutDown("Unable to open the line: " + ex);
return;
// play back the captured audio data
int frameSizeInBytes = format.getFrameSize();
int bufferLengthInFrames = line.getBufferSize() / 8;
int bufferLengthInBytes = bufferLengthInFrames * frameSizeInBytes;
byte[] data = new byte[bufferLengthInBytes];
int numBytesRead = 0;
// start the source data line
line.start();
while (thread != null) {
try {
if ((numBytesRead = playbackInputStream.read(data)) == -1) {
break;
int numBytesRemaining = numBytesRead;
while (numBytesRemaining > 0 ) {
numBytesRemaining -= line.write(data, 0, numBytesRemaining);
} catch (Exception e) {
shutDown("Error during playback: " + e);
break;
// we reached the end of the stream. let the data play out, then
// stop and close the line.
if (thread != null) {
line.drain();
line.stop();
line.close();
line = null;
shutDown(null);
public AudioFormat getFormat() {
AudioFormat.Encoding encoding = AudioFormat.Encoding.ULAW;
String encString = "linear";
float rate = Float.valueOf("44100").floatValue();
int sampleSize = 16;
String signedString = "signed";
boolean bigEndian = true;
int channels = 2;
if (encString.equals("linear")) {
if (signedString.equals("signed")) {
encoding = AudioFormat.Encoding.PCM_SIGNED;
} else {
encoding = AudioFormat.Encoding.PCM_UNSIGNED;
} else if (encString.equals("alaw")) {
encoding = AudioFormat.Encoding.ALAW;
return new AudioFormat(encoding, rate, sampleSize,
channels, (sampleSize/8)*channels, rate, bigEndian);
} // End class Playback
package com.longshine.voice;
import java.io.*;
import java.util.Vector;
import java.util.Enumeration;
import javax.sound.sampled.*;
import java.text.*;
import java.net.*;
public class Capture implements Runnable {
TargetDataLine line;
Thread thread;
String errStr=null;
DataOutputStream out=null;
AudioInputStream audioInputStream;
final int bufSize = 16384;
int duration=0;
public Capture(DataOutputStream out)
this.out=out;
public void start() {
errStr = null;
thread = new Thread(this);
thread.setName("Playback");
thread.start();
public void stop() {
thread = null;
private void shutDown(String message) {
if ((errStr = message) != null) {
System.out.println(errStr);
if (thread != null) {
thread = null;
public AudioFormat getFormat() {
AudioFormat.Encoding encoding = AudioFormat.Encoding.ULAW;
String encString = "linear";
float rate = Float.valueOf("44100").floatValue();
int sampleSize = 16;
String signedString = "signed";
boolean bigEndian = true;
int channels = 2;
if (encString.equals("linear")) {
if (signedString.equals("signed")) {
encoding = AudioFormat.Encoding.PCM_SIGNED;
} else {
encoding = AudioFormat.Encoding.PCM_UNSIGNED;
} else if (encString.equals("alaw")) {
encoding = AudioFormat.Encoding.ALAW;
return new AudioFormat(encoding, rate, sampleSize,
channels, (sampleSize/8)*channels, rate, bigEndian);
public void run() {
duration = 0;
audioInputStream = null;
// define the required attributes for our line,
// and make sure a compatible line is supported.
AudioFormat format = getFormat();
DataLine.Info info = new DataLine.Info(TargetDataLine.class,
format);
if (!AudioSystem.isLineSupported(info)) {
shutDown("Line matching " + info + " not supported.");
return;
// get and open the target data line for capture.
try {
line = (TargetDataLine) AudioSystem.getLine(info);
line.open(format, line.getBufferSize());
} catch (LineUnavailableException ex) {
shutDown("Unable to open the line: " + ex);
return;
} catch (SecurityException ex) {
shutDown(ex.toString());
return;
} catch (Exception ex) {
shutDown(ex.toString());
return;
// play back the captured audio data
int frameSizeInBytes = format.getFrameSize();
int bufferLengthInFrames = line.getBufferSize() / 8;
int bufferLengthInBytes = bufferLengthInFrames * frameSizeInBytes;
byte[] data = new byte[bufferLengthInBytes];
int numBytesRead;
line.start();
try
while (thread != null) {
if((numBytesRead = line.read(data, 0, bufferLengthInBytes)) == -1) {
break;
if(data.length>0)
out.write(data, 0, numBytesRead);
out.flush();
catch (Exception e)
e.printStackTrace();
// we reached the end of the stream. stop and close the line.
line.stop();
line.close();
line = null;
// stop and close the output stream
try {
out.flush();
out.close();
} catch (IOException ex) {
ex.printStackTrace();
} // End class Capture

After a few days work, I have completed the mian voice chat program. I know there are so many people like me that wants that. I post these program. i will complete gui work later. and there is a problem in the program. if the speaking one do not speak for a while, the listening client will hear noise. Can some one help me.
package com.longshine.voice;
import java.io.*;
import java.net.*;
import java.util.*;
public class Server
// The ServerSocket we'll use for accepting new connections
private ServerSocket ss;
// A mapping from sockets to DataOutputStreams. This will
// help us avoid having to create a DataOutputStream each time
// we want to write to a stream.
private Hashtable outputStreams = new Hashtable();
final int bufSize = 16384;
//current speak_man
private int speakman=-1;
// Constructor and while-accept loop all in one.
public Server( int port ) throws IOException {
// All we have to do is listen
listen( port );
private void listen( int port ) throws IOException {
// Create the ServerSocket
ss = new ServerSocket( port );
// Tell the world we're ready to go
System.out.println( "Listening on "+ss );
// Keep accepting connections forever
while (true) {
// Grab the next incoming connection
Socket s = ss.accept();
// Tell the world we've got it
System.out.println( "Connection from "+s );
// Create a DataOutputStream for writing data to the
// other side
DataOutputStream dout = new DataOutputStream( s.getOutputStream() );
// Save this stream so we don't need to make it again
outputStreams.put( s, dout );
// Create a new thread for this connection, and then forget
// about it
new VoiceServer( this, s );
// Get an enumeration of all the OutputStreams, one for each client
// connected to us
Enumeration getOutputStreams() {
return outputStreams.elements();
// Send a message to all clients (utility routine)
void sendToAll( byte[] voice ,Socket socket) {
// We synchronize on this because another thread might be
// calling removeConnection() and this would screw us up
// as we tried to walk through the list
synchronized( outputStreams ) {
// For each client ...
for (Enumeration e = outputStreams.keys(); e.hasMoreElements(); ) {
// ... get the output stream ...
Socket tmp=(Socket)e.nextElement();
if(!tmp.equals(socket))
try {
DataOutputStream dout = new DataOutputStream(tmp.getOutputStream());
// ... and send the message
dout.write(voice,0,44096);
dout.flush();
} catch( IOException ie ) { System.out.println( ie ); }
// Remove a socket, and it's corresponding output stream, from our
// list. This is usually called by a connection thread that has
// discovered that the connectin to the client is dead.
void removeConnection( Socket s ) {
// Synchronize so we don't mess up sendToAll() while it walks
// down the list of all output streamsa
synchronized( outputStreams ) {
// Tell the world
System.out.println( "Removing connection to "+s );
// Remove it from our hashtable/list
outputStreams.remove( s );
// Make sure it's closed
try {
s.close();
} catch( IOException ie ) {
System.out.println( "Error closing "+s );
ie.printStackTrace();
// Main routine
// Usage: java Server <port>
static public void main( String args[] ) throws Exception {
// Get the port # from the command line
int port = Integer.parseInt( args[0] );
// Create a Server object, which will automatically begin
// accepting connections.
new Server( port );
package com.longshine.voice;
import java.net.*;
import java.io.*;
import java.sql.*;
import java.io.*;
import java.net.*;
public class VoiceServer extends Thread
// The Server that spawned us
private Server server;
final int bufSize = 16384;
// The Socket connected to our client
private Socket socket;
// Constructor.
public VoiceServer( Server server, Socket socket ) {
// Save the parameters
this.server = server;
this.socket = socket;
// Start up the thread
start();
// This runs in a separate thread when start() is called in the
// constructor.
public void run() {
try {
// Create a DataInputStream for communication; the client
// is using a DataOutputStream to write to us
DataInputStream din = new DataInputStream( socket.getInputStream() );
byte[] voice=new byte[44096];
// Over and over, forever ...
while (true) {
// ... read the next message ...
// int bytes = din.read(voice,0,44096);
int bytes = din.read(voice);
// ... and have the server send it to all clients
server.sendToAll(voice,socket);
} catch( EOFException ie ) {
// This doesn't need an error message
} catch( IOException ie ) {
// This does; tell the world!
ie.printStackTrace();
} finally {
// The connection is closed for one reason or another,
// so have the server dealing with it
server.removeConnection( socket );
package com.longshine.voice;
import java.io.*;
import java.net.*;
public class Client {
private String host="";
private String port="";
private Socket socket;
private DataOutputStream dout;
private DataInputStream din;
private Capture capture=null;
private Play play=null;
public Client(String host,String port) {
this.host=host;
this.port=port;
public void init()
try
socket = new Socket( host, Integer.parseInt(port));
din = new DataInputStream( socket.getInputStream() );
dout = new DataOutputStream( socket.getOutputStream());
capture=new Capture(dout);
play=new Play(din);
catch(Exception e)
e.printStackTrace();
public static void main(String[] args) {
Client client = new Client("172.18.220.176","5678");
client.init();
if(args[0].equalsIgnoreCase("say"))
client.capture.start();
if(args[0].equalsIgnoreCase("hear"))
client.play.start();
package com.longshine.voice;
import java.io.*;
import java.util.Vector;
import java.util.Enumeration;
import javax.sound.sampled.*;
import java.text.*;
import java.net.*;
public class Play implements Runnable {
SourceDataLine line;
Thread thread;
String errStr=null;
DataInputStream in=null;
AudioInputStream audioInputStream;
final int bufSize = 16384;
int duration=0;
public Play(DataInputStream in)
this.in=in;
public void start() {
errStr = null;
thread = new Thread(this);
thread.setName("Playback");
thread.start();
public void stop() {
thread = null;
private void shutDown(String message) {
if ((errStr = message) != null) {
System.err.println(errStr);
if (thread != null) {
thread = null;
public void createAudioInputStream() {
if (in != null ) {
try {
errStr = null;
java.io.BufferedInputStream oin = new java.io.BufferedInputStream(in);
audioInputStream = AudioSystem.getAudioInputStream(oin);
} catch (Exception ex) {
ex.printStackTrace();
} else {
public void run() {
// reload the file if loaded by file
if (in != null) {
// createAudioInputStream();
// make sure we have something to play
// if (audioInputStream == null) {
// shutDown("No loaded audio to play back");
// return;
// reset to the beginnning of the stream
// try {
// audioInputStream.reset();
// } catch (Exception e) {
// shutDown("Unable to reset the stream\n" + e);
// return;
// get an AudioInputStream of the desired format for playback
AudioFormat format = getFormat();
audioInputStream=new AudioInputStream(in, format, AudioSystem.NOT_SPECIFIED);
AudioInputStream playbackInputStream = AudioSystem.getAudioInputStream(format, audioInputStream);
if (playbackInputStream == null) {
shutDown("Unable to convert stream of format " + audioInputStream + " to format " + format);
return;
// define the required attributes for our line,
// and make sure a compatible line is supported.
DataLine.Info info = new DataLine.Info(SourceDataLine.class,
format);
if (!AudioSystem.isLineSupported(info)) {
shutDown("Line matching " + info + " not supported.");
return;
// get and open the source data line for playback.
try {
line = (SourceDataLine) AudioSystem.getLine(info);
line.open(format, bufSize);
} catch (LineUnavailableException ex) {
shutDown("Unable to open the line: " + ex);
return;
// play back the captured audio data
int frameSizeInBytes = format.getFrameSize();
int bufferLengthInFrames = line.getBufferSize() / 8;
int bufferLengthInBytes = bufferLengthInFrames * frameSizeInBytes;
byte[] data = new byte[bufferLengthInBytes];
int numBytesRead = 0;
// start the source data line
line.start();
while (thread != null) {
try {
if ((numBytesRead = playbackInputStream.read(data)) == -1) {
break;
int numBytesRemaining = numBytesRead;
while (numBytesRemaining > 0 ) {
numBytesRemaining -= line.write(data, 0, numBytesRemaining);
} catch (Exception e) {
shutDown("Error during playback: " + e);
break;
// we reached the end of the stream. let the data play out, then
// stop and close the line.
if (thread != null) {
line.drain();
line.stop();
line.close();
line = null;
shutDown(null);
public AudioFormat getFormat() {
AudioFormat.Encoding encoding = AudioFormat.Encoding.ULAW;
String encString = "linear";
float rate = Float.valueOf("44100").floatValue();
int sampleSize = 16;
String signedString = "signed";
boolean bigEndian = true;
int channels = 2;
if (encString.equals("linear")) {
if (signedString.equals("signed")) {
encoding = AudioFormat.Encoding.PCM_SIGNED;
} else {
encoding = AudioFormat.Encoding.PCM_UNSIGNED;
} else if (encString.equals("alaw")) {
encoding = AudioFormat.Encoding.ALAW;
return new AudioFormat(encoding, rate, sampleSize,
channels, (sampleSize/8)*channels, rate, bigEndian);
} // End class Playback
package com.longshine.voice;
import java.io.*;
import java.util.Vector;
import java.util.Enumeration;
import javax.sound.sampled.*;
import java.text.*;
import java.net.*;
public class Capture implements Runnable {
TargetDataLine line;
Thread thread;
String errStr=null;
DataOutputStream out=null;
AudioInputStream audioInputStream;
final int bufSize = 16384;
int duration=0;
public Capture(DataOutputStream out)
this.out=out;
public void start() {
errStr = null;
thread = new Thread(this);
thread.setName("Playback");
thread.start();
public void stop() {
thread = null;
private void shutDown(String message) {
if ((errStr = message) != null) {
System.out.println(errStr);
if (thread != null) {
thread = null;
public AudioFormat getFormat() {
AudioFormat.Encoding encoding = AudioFormat.Encoding.ULAW;
String encString = "linear";
float rate = Float.valueOf("44100").floatValue();
int sampleSize = 16;
String signedString = "signed";
boolean bigEndian = true;
int channels = 2;
if (encString.equals("linear")) {
if (signedString.equals("signed")) {
encoding = AudioFormat.Encoding.PCM_SIGNED;
} else {
encoding = AudioFormat.Encoding.PCM_UNSIGNED;
} else if (encString.equals("alaw")) {
encoding = AudioFormat.Encoding.ALAW;
return new AudioFormat(encoding, rate, sampleSize,
channels, (sampleSize/8)*channels, rate, bigEndian);
public void run() {
duration = 0;
audioInputStream = null;
// define the required attributes for our line,
// and make sure a compatible line is supported.
AudioFormat format = getFormat();
DataLine.Info info = new DataLine.Info(TargetDataLine.class,
format);
if (!AudioSystem.isLineSupported(info)) {
shutDown("Line matching " + info + " not supported.");
return;
// get and open the target data line for capture.
try {
line = (TargetDataLine) AudioSystem.getLine(info);
line.open(format, line.getBufferSize());
} catch (LineUnavailableException ex) {
shutDown("Unable to open the line: " + ex);
return;
} catch (SecurityException ex) {
shutDown(ex.toString());
return;
} catch (Exception ex) {
shutDown(ex.toString());
return;
// play back the captured audio data
int frameSizeInBytes = format.getFrameSize();
int bufferLengthInFrames = line.getBufferSize() / 8;
int bufferLengthInBytes = bufferLengthInFrames * frameSizeInBytes;
byte[] data = new byte[bufferLengthInBytes];
int numBytesRead;
line.start();
try
while (thread != null) {
if((numBytesRead = line.read(data, 0, bufferLengthInBytes)) == -1) {
break;
if(data.length>0)
out.write(data, 0, numBytesRead);
out.flush();
catch (Exception e)
e.printStackTrace();
// we reached the end of the stream. stop and close the line.
line.stop();
line.close();
line = null;
// stop and close the output stream
try {
out.flush();
out.close();
} catch (IOException ex) {
ex.printStackTrace();
} // End class Capture

How to record my voice by headphone on mac mini

Hi all,
How to record my voice by headphone on mac mini. The headphone have a microphone. It can record on window 7, but on mac mini, it's not working.
I don't know why. Please help me.
Thanks.

Open Quicktime Player
File Menu: New Audio Recording....
However... if the headphone/microphone combination has two 3.5mm jack plugs (pink and green) then the microphone output (pink) is "mic.level" - which is TOO QUIET for the audio input on a Mac, which is expecting the much stronger "line.level" signal strength.
Solutions: get a microphone pre-amplifier between the mic and the Mac (not cheap); or a different microphone with a USB interface.

What is best antivirus software for Mac Mini? Recently the Trovi virus was on my computer and I want to make sure it is completely gone.

What is the best antivirus software for Mac Mini? I had thought Mac's were safer from viruses but recently I think the Trovi virus infected my computer, I have taken steps to remove but want to make sure computer is clean.

To learn how to defend yourself from the threat of adware read How to install adware.
There will always be threats to your information security associated with using any Internet - connected communications tool:
You can mitigate those threats by following commonsense practices
Delegating that responsibility to software is an ineffective defense
Assuming that any product will protect you from those threats is a hazardous attitude that is likely to result in neglecting point #1 above.
OS X already includes everything it needs to protect itself from viruses and malware. Keep it that way with software updates from Apple.
A much better question is "how should I protect my Mac":
Never install any product that claims to "clean up", "speed up", "optimize", "boost" or "accelerate" your Mac; to "wash" it, "tune" it, or to make it "shiny". Those claims are absurd.Such products are very aggressively marketed. They are all scams.
Never install pirated or "cracked" software, software obtained from dubious websites, or other questionable sources.
Illegally obtained software is almost certain to contain malware.
"Questionable sources" include but are not limited to spontaneously appearing web pages or popups, download hosting sites such as C net dot com, Softonic dot com, Soft pedia dot com, Download dot com, Mac Update dot com, or any other site whose revenue is primarily derived from junk product advertisements.
If you need to install software that isn't available from the Mac App Store, obtain it only from legitimate sources authorized by the software's developer.
Don’t supply your password in response to a popup window requesting it, unless you know what it is and the reason your credentials are required.
Don’t open email attachments from email addresses that you do not recognize, or click links contained in an email:
Most of these are scams that direct you to fraudulent sites that attempt to convince you to disclose personal information.
Such "phishing" attempts are the 21st century equivalent of a social exploit that has existed since the dawn of civilization. Don’t fall for it.
Apple will never ask you to reveal personal information in an email. If you receive an unexpected email from Apple saying your account will be closed unless you take immediate action, just ignore it. If your iCloud, iTunes, or App Store account becomes disabled for valid reasons, you will know when you try to buy something or log in to this support site, and are unable to.
Don’t install browser extensions unless you understand their purpose. Go to the Safari menu > Preferences > Extensions. If you see any extensions that you do not recognize or understand, simply click the Uninstall button and they will be gone.
Don’t install Java unless you are certain that you need it:
Java, a non-Apple product, is a potential vector for malware. If you are required to use Java, be mindful of that possibility.
Java can be disabled in System Preferences.
Despite its name JavaScript is unrelated to Java. No malware can infect your Mac through JavaScript. It’s OK to leave it enabled.
Beware spontaneous popups: Safari menu > Preferences > Security > check "Block popup windows".
Popup windows are useful and required for some websites, but unsolicited popups are commonly used to deceive people into installing unwanted software they would never intentionally install.
Popups themselves cannot infect your Mac, but many contain resource-hungry code that will slow down Internet browsing.
If you ever receive a popup window indicating that your Mac is infected with some ick or that you won some prize, it is 100% fraudulent. Ignore it.
The same goes for a spontaneously appearing dialog insisting that you upgrade your video player right this instant. Such popups are frequently associated with sites that promise to deliver movies or other copyrighted content "for free".
The more insistent it is that you upgrade or install something, the more likely it is to be a scam. Close the window or tab and forget it.
Ignore hyperventilating popular media outlets that thrive by promoting fear and discord with entertainment products arrogantly presented as "news". Learn what real threats actually exist and how to arm yourself against them:
The most serious threat to your data security is phishing. Most of these attempts are pathetic and are easily recognized, but that hasn't stopped prominent public figures from recently succumbing to this age-old scam.
OS X viruses do not exist, but intentionally malicious or poorly written code, created by either nefarious or inept individuals, is nothing new.
Never install something without first knowing what it is, what it does, how it works, and how to get rid of it when you don’t want it any more.
If you elect to use "anti-virus" software, familiarize yourself with its limitations and potential to cause adverse effects, and apply the principle immediately preceding this one.
Most such utilities will only slow down and destabilize your Mac while they look for viruses that do not exist, conveying no benefit whatsoever - other than to make you "feel good" about security, when you should actually be exercising sound judgment, derived from accurate knowledge, based on verifiable facts.
Do install updates from Apple as they become available. No one knows more about Macs and how to protect them than the company that builds them.
Summary: Use common sense and caution when you use your Mac, just like you would in any social context. There is no product, utility, or magic talisman that can protect you from all the evils of mankind.

Is there a version of PROMOB program for MAC?

is there a version of PROMOB program for MAC? if not, can I run the windows version, and what do I have to do?

Windows on Intel Macs
There are presently several alternatives for running Windows on Intel Macs.
   1. Install the Apple Boot Camp software. Purchase Windows
         XP w/Service Pak2, Vista, or Windows 7. For Boot Camp
         4.0 and above you can only use Windows 7 or later. Follow
         instructions in the Boot Camp documentation on
         installation of Boot Camp, creating Driver CD, and
         installing Windows. Boot Camp enables you to boot the
         computer into OS X or Windows.
     2. Parallels Desktop for Mac and Windows XP, Vista Business,
         Vista Ultimate, or Windows 7. Parallels is software
         virtualization that enables running Windows concurrently
         with OS X.
     3. VM Fusion and Windows XP, Vista Business, Vista Ultimate,
         or Windows 7. VM Fusion is software virtualization that
         enables running Windows concurrently with OS X.
     4. CrossOver which enables running many Windows
         applications without having to install Windows. The
         Windows applications can run concurrently with OS X.
     5. VirtualBox is an Open Source freeware virtual machine such
         as VM Fusion and Parallels that was developed by Solaris.
         It is not as fully developed for the Mac as Parallels and VM
         Fusion.
Note that VirtualBox, Parallels, and VM Fusion can also run other operating systems such as Linux, Unix, OS/2, Solaris, etc. There are performance differences between dual-boot systems and virtualization. The latter tend to be a little slower (not much) and do not provide the video performance of the dual-boot system. See MacTech Labs- Virtualization Benchmarks, January 2013 | MacTech for comparisons of Boot Camp, Parallels, and VM Fusion. Boot Camp is only available with Leopard or Snow Leopard. Except for Crossover and a couple of similar alternatives like DarWine you must have a valid installer disc for Windows.
You must also have an internal optical drive for installing Windows. Windows cannot be installed from an external optical drive.

How can I split the video port of an older Mac Mini so I can use both the 922-6199 DVI to RCA, S-Video Adapter and a Cinema Display?

How can I split the video port of an older Mac Mini so I can use both the 922-6199 DVI to RCA, S-Video Adapter and a Cinema Display?

Which exact Mini?
At the Apple Icon at top left>About this Mac.
Then click on More Info>Hardware and report this upto but not including the Serial#...
Hardware Overview:
Model Name: iMac
Model Identifier: iMac7,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2.4 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 4 MB
Memory: 6 GB
Bus Speed: 800 MHz
Boot ROM Version: IM71.007A.B03
SMC Version (system): 1.21f4

How do I adjust display resolution for Mac Mini?

How do I adjust display resolution for Mac Mini? Text does not look crisp. Using Samsung 27 inch monitor with HDMI input

Apple menu -> System Preferences -> Displays. Depending on your version of Mac OS X, it may be set for "Best for Display" in which case it should already be set at the optimum for your monitor, or it may display resolution options in which case you should set it for the native resolution of your display.
Regards.

What is the best voice control program for macbook pro

what is the best voice control program for macbook pro?
i have lost the use of my arms and need full voice control.
thank you.

Welcome to the Apple Support Communities
First, use speech recognition. It's installed on OS X, so you don't have to install a third-party app. See > http://support.apple.com/kb/PH11258?viewlocale=en_US

Best LED TV to be used as monitor for Mac Mini (Late 2012 model)

Hi All,
I am having a mac mini (late 2012 model). Now, I am planning to buy a HD LED Tv from my home. So I would like to know which one will be best suited to be used as a monitor for mac mini so that I can buy a TV which will be used as both TV and Monitor
--jR

You'll want something that's 1080p. Best to have one with HDMI input, too. Other than that, let price and warranty be your guide.

Suggest me a usb sound card for mac mini

please suggest me a usb sound card for mac mini (i need 5.1 sound)

The Griffin Technology FireWave will give you the 3 'cables' ("FireWave outputs six channel audio through three 1/8” (3.5mm) stereo mini-jacks: Left/Right, Center/Subwoofer and Right Surround/Left Surround.") connection for surround sound (speakers) audio. Whether or not a particular headphone set is compatible, you might ask Griffin directly about that. If you're playing a DVD with VLC or the Apple DVD Player, you will get surround sound. But, you'd have to find an MP3 with multi-channel audio inside it to play surround sound out of iTunes.
-Doug

Use 24 in iMac as a screen for mac mini

Can I use 24 in iMac as screen for mac mini?

I can see that there is no way to use the iMac screen thru standard methods. As the iMac is out of warranty and the DVD/CD drive no longer works I am willing to have the iMac's case opened and have some jerry-rigged solution installed. Does anyone have an idea as to how that can be done

Video/ Voice chat programs for Mac Mini

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