PC World 2001 March

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Text File | 2000-12-20 | 6KB | 149 lines

<HTML> <BODY BACKGROUND="bgnd.jpg"> This page shows the music for the active track, selected in the Mixer page. Since the track's Type is set to Audio, it shows the audio track's wave. Initially, the entire track's wave is shown. To see the wave in more detail, zoom in by scrolling the horizontal and vertical Zoom scroll bars. Click the Audio Quality field to change quality and memory requirements of your recording. One Mono track consumes memory at the following rates: <dir> <TABLE BORDER=1 CELLSPACING=0 CELLPADDING=3 BGCOLOR=#CFCFCF> <TR> <TH ALIGN=LEFT>Quality</TH> <TH>Bytes per second</TH> <TH>Bytes per minute</TH> <TH ALIGN=RIGHT>Sample</TH> </TR> <TR> <TD ALIGN=LEFT>CD</TD> <TD>88,200</TD> <TD>5.2 million</TD> <TD>16 bit @ 44 kHz</TD> </TR> <TR> <TD ALIGN=LEFT>Video Game</TD> <TD>44,100</TD> <TD>2.6 million</TD> <TD>8 bit @ 44 kHz</TD> </TR> <TR> <TD ALIGN=LEFT>Phonograph</TD> <TD>44,100</TD> <TD>2.6 million</TD> <TD>16 bit @ 22 kHz</TD> </TR> <TR> <TD ALIGN=LEFT>FM Radio</TD> <TD>22,050</TD> <TD>1.3 million</TD> <TD>16 bit @ 11 kHz</TD> </TR> <TR> <TD ALIGN=LEFT>Radio</TD> <TD>22,050</TD> <TD>1.3 million</TD> <TD>8 bit @ 22 kHz</TD> </TR> <TR> <TD ALIGN=LEFT>Phone</TD> <TD>11,025</TD> <TD>661,500</TD> <TD>8 bit @ 11 kHz</TD> </TR> <TR> <TD ALIGN=LEFT>Old Radio</TD> <TD>8,000</TD> <TD>480,000</TD> <TD>8 bit @ 8 kHz</TD> </TR> </TABLE> </dir> Stereo tracks consume memory twice as fast as Mono tracks. The Mixer page lets you record mono tracks to conserve memory and disk space, but still generate stereo audio output. To begin recording to this track, press the record button <img align=center src="recbut.gif">, and then press the stop button <img align=center src="stopbut.gif"> when you are ready to stop recording. With the left mouse down, drag the mouse over the sound window to select part of it. If nothing is selected, any of the following operations affect the entire track. To hear only the selected sound, press the Play Selection button. To copy the contents of an audio (.WAV) file into this track, select the Import Audio from... from the File menu. A private copy of the file is made, so that any changes you make will not affect the imported file. To copy the selected sound to the clipboard, select Copy from the Edit menu. To paste the contents of the clipboard into the song, click the mouse where you want to insert the new sound, and select one of the following from the Edit menu: <dir> <li> Paste Over if you want the audio in the clipboard to replace sound on the current track. For example, if the clipboard contains 1 second of audio, and the song's current position is 0:10:00 (10 seconds), then the current track from 0:10:00 to 0:11:00 is replaced with the contents of the clipboard. <li> Paste Mix if you want the clipboard to be mixed with the current track. Paste Mix reduces the volume, preventing the possibility of distortion. If you want to preserve the volume and accept the possibility of distortion, hold the Shift key while selecting the Paste Mix menu item. <li> Paste Insert if you want the clipboard inserted into the current song. </dir> To delete the selected part of the track, select Delete from the Edit menu. To set the selected part of the track to complete silence, select Silent from the Edit menu. To replace the selected sound with the same sound played backward, select Reverse from the Edit menu To filter the entire track, press the Filter... button. If you only want to filter part of the track, select the desired time period with the mouse, and then press the Filter button. To eliminate clicks and pops from the start or end of an audio track, press the Filter... button and set the filter kind to Zero-Average. Then, press Filter... again and set the filter kind to Normalize. Then, if there is a high-pitch hiss, press Filter... again and set the filter kind to Low-Pass. Then, if there is a low-pitched hum, press Filter... again and set the filter kind to High-Pass. To change the volume of the entire track, or a selected part of the track, press the Volume... button. As a short-cut, you can make the track, or part of it, twice as loud by pressing the Louder button. You can adjust the audio volume without modifying the audio signal by turning to the Mixer page. To adjust the pitch of the entire track, or a selected part of the track, press the Pitch... button. To help you synchronize with recorded MIDI instruments, vertical tempo lines are drawn at the start of each 16th note, quarter note, and measure. If you make a mistake while recording Audio, you can Punch In, or re-record over just the mistake, as follows. <dir> <li>Select that part of the wave you would like to re-record. <li>Press the Mix button so that there will be no delay when the <img align=center src="recbut.gif"> button is pressed. <li>Press the VU button so the Sound Card is warmed up. <li>Press the <img align=center src="recbut.gif"> button. <li>Recording will automatically stop when the end of the selection is reached. </dir> </body> </HTML>