Strong demand for the iPod continues to drive profitability and revenues at Apple Computer.

Strong demand for the iPod continues to drive profitability and revenues at Apple Computer.

Apple says it shipped 5.3 million iPods in its fiscal second quarter ended in March -- a five-fold increase over the same period a year ago. Revenues from the portable music player totaled $1.01 billion; Apple has now topped $1 billion in iPod revenues for two consecutive quarters.

The company also reports that quarterly sales of downloads via iTunes and sales of other iPod-related services and accessories more than tripled year-over-year to $217 million.

Apple as a whole saw its quarterly net profit rise to $290 million, or 34 cents per diluted share, from $46 million, or 6 cents per share last year. Revenues increased 70% to $3.24 billion. International sales accounted for 40% of the company's revenue.

Shares in Apple closed down $1.62, or 3.8%, at $41.04 ahead of the announcement. Apple stock is up more than 200% from its 52-week low of $12.74.