The more harmonics a sound has, the fuller the quality the sound is. All the different overtones of a sound help give it a unique pattern. This is especially true for a persons voice. Everybody in the world has a different voice print, or pattern of overtones.
Blue-ray movies don't work in HP Pavillion dv7... HP forum. Blue-ray movies don't work in HP Pavillion dv7... I recently attempted to use a newly purchased Blue-ray movie in my notebook and could not get the hardware(Optiarc BD ROM BC-5500S) nor the software (Quickplay 3.7) to recognize or play the movie.
Test the DVD Drive. Insert the DVD into the HP Pavilion DVD drive. Close any window that opens automatically. Click Start and then Computer.. Right-click on the DVD player icon and then choose Explore.. Check to make certain you placed the DVD into a DVD drive. If the HP Pavilion DVD drive ejects the disc or prompts you to insert a disc, it does not recognize the DVD. You can also try inserting another DVD disc.