Engine Whine

I have a 2006 Sonata with 5200 miles on it. It is a GLS V6 and I really lover it BUT..

I have developed a very annoying engine whine at 60-69MPH. I have had the Tech drive it and he has acknowledged that the noise exists but I get the feeling they do not give it much prioirity. Has anyone else experienced this noise?? Have you gotten any information about it. I am trying to find anyone that has had this so I can get Hyundai to address this matter and not just sluff it off, which seems to be what they are doing so far.

FYI - The Tech discovered that while using the sportronic shift and going fom 5 to 4 gear the noise immediately ceases but as soon as you upshift back to 5th the noise immediately re-appears.

Just to clarify.. is the noise coming at a certain RPM range, or just at the speed range?

The whine begins at 60MPH (2000 RPM) and continues through the 69MPH mark. I have a suspicsion that it is still there but it changes octaves the higher the speed and I think it is simply out of my hearing range. The problem I am havging is that the Tech heard it but said "It is low" when to me it is extremely loud (Can hear it over the radio) because apparently the Octave from 60 to 69 is the range I am most susceptive too. I believe it is a speed thing though and not RPM because I can reve the engine to 2000RPM and no noise but the second it is in gear at 60MPH it is there.