Because on Sony's deck, each format offers different features and must be treated differently.

The larger format will offer at 3-4 levels a range of self-study language teaching materials.

But Ms. Rindfuss says that this format offers a window into how a student thinks.

The format is backwards-compatible with existing MP3 players, and offers the same sound quality.

Also, the format offers a maximum transfer speed of 50 Mb per second.

This format may have offered opportunities for dramatics during recital of the poems.

The debate's format offered Ifill freedom to cover domestic or international issues.

The two formats offer equally spectacular picture and sensational sound.

As a professional medium, the format offered extremely high quality.

Most formats offer a range of degrees of compression, generally measured in bit rate.