PortalPlayer chips has been at the heart of the iPod since the very beginning and the company has grown substantially because of it. 90% of PortalPlayer's sales are said to be directly due to iPod sales. According to an announcement today, PortalPlayer revealed that their successor to their current PP5021 media processor chip will not be used by Apple in "its new mid-range and high-end flash-based iPods." Meanwhile, PortalPlayer believes the current chip "will continue to be used in other members of the iPod family." Apple's current Flash-based iPods include the iPod shuffle and iPod nano.