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Science.com

November 9, 2002



BYTEBACK


 

Sound related problems


Could you help me solve these problems:

1. I have some *.wav files which are too big so I want to convert them into *.MP3, please tell me how can I do.

2. I record my voice loudly through Sound Recorder but when I play, it sounds low and

3. Sound Recorder gives me only 47 seconds to record but I want to record for 5 minutes regularly.


VISHAL
Vishal_Man@msn.com


Editor replies: The answers to your queries are given in the same sequence as asked:

1. There are a number of freeware available on that will enable to change the file format of audio file from .wav to .mp3. You may tweak with your setting by starting Sound Recorder application; then going to “Audio properties”; then, depending on your sound card features, adjust the microphone’s volume.

2. You need to do a few adjustments with the sound of your microphone. You can do this by going to “edit” menu of Sound Recorder application.

3. To increase the maximum recording time in the Sound Recorder application, follow these steps: (i) put your microphone to mute so that it may not record any sound; (ii) Click Record, and then let Sound Recorder run for 60 seconds (which is default time); (iii) after the recording ends, save the file as “Blank.wav”; (iv) now to increase the maximum recording time in Sound Recorder, click Insert File on the Edit menu; and then (v) insert the “Blank.wav” file you just saved. Once done, the maximum recording time is increased by 60 seconds. You can repeat this step once for each additional minute of recording time that you want to add. For a 5-minute duration, insert the Blank.wav file five times.

If the problem still persists, then get hold of Cool Edit 2000 1.1, a good software that allows you to edit and record sound. It even provides feature of converting file from one format to another. This program is also available for download at www.download.com

 

Windows XP installation

My teacher had assigned me to write on “the use of modern technology in any industry” so I chose police or security department where modern technology is used. Please give me addresses of some sites where I could download information on this topic.

I have Windows 98 operating system but I want to install windows XP. Do I have to format my hard disk and then install Windows XP or can I overwrite XP on Windows98.


MOHAMMED SAAD
saad_pk9@hotmail.com


Editor replies: Use search engines like or to find reference material on “Cyber Police” and “Cyber security”. You will get lots of information on these topics. Regarding your second query, you can choose any of these option; it will work just fine. I mean you may upgrade your Win98 to WinXP or have clean installation of WinXP. However, Microsoft recommends the second method.

 

Corrupt loader

What is “Root Directory”? I installed Windows 98 and XP in my computer’s C drive and Windows2000 in D. But the XP doesn’t run anymore and I get strange messages. Then I tried to install XP in drive E. When that didn’t work, I deleted the folder but I still find it in my OS choices menu. Please tell me how to take it out. Another problem is that suddenly my operating system won’t start.

SAARAH KAHLON


Editor replies: Root directory is the top directory in a file system. It is provided by the operating system and has a special name; for example, in DOS systems the root directory is denoted by \. The root directory is sometimes referred to simply as the root.

It is always advisable to install later of Windows version in the end. Perhaps you might have installed Win98 first and then WinXP followed by Win2000 on D drive, this would definitely cause the NTLDR (the OS loading file) to go corrupt, and you may not find your operating systems working.

Now since you have removed your WinXP folder from D, which I believe you might have done manually by deleting it, the NTLDR file would still have the record of WinXP. So I’d suggest you take back up of your important data on some other partition and format your root/main partition and then reinstall the desired OS. If you wish to install multiple systems then make sure you start with Win98 on C drive and then install Win2000 on D drive and WinXP on E drive (if you have).



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