Nokia N77 User Guide - Page 51
Library details, Change album art, About encoded audio, Bitrates
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Media applications Year-the year in which the album was released Genre-the style category to which this song belongs Composer-the name of the composer of this song Comment-any other information about this song To view details such as Format, Duration, and Copyright, in Song details, select Options > View file details. Library details In Music menu, select Options > Music library details. The following information is displayed: Songs-the current number of songs in the library Duration-the length of current songs together Phone memory or Memory card-the available memory on the device memory or a compatible memory card (if inserted) Refreshed-the date when the library was last modified Change album art 1 Select a song. 2 Select Options > Album art. 3 Select Options > Change. 4 Scroll through images in the gallery of your device, and select Select:. 5 To restore the original album art, select Restore original. About encoded audio Applications like Windows Media Player and Nokia Audio Manager in Nokia Nseries PC Suite (available on the CD-ROM supplied with your device) encode audio files with codecs such as WMA or MP3 to save storage space. The encoding is done by removing those parts of the audio signal that are not audible or only barely audible by human ear. Regardless of the encoder and codec quality, the sound quality of the resulting file is not as good as the original. The basic codecs supported by this device are AAC, WMA, and MP3. All of these have different variations. Music player does not necessarily support all features of a file format or all the variations of file formats. Bitrates When encoding audio, the quality of the resulting sound depends on the sample rate and bit rate used for the encoding. Sample rate is expressed as thousands of samples per second (kHz), and for CD music, the sample rate is fixed at 44.1 kHz. Bit rate is expressed as kilobits per second (Kbps). The higher the bit rate, the better the sound quality. 51