Nokia N77 User Guide - Page 52
Variable bitrate, Visual Radio, Listen to the radio
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Media applications The required quality level may depend on your demands, the headsets used, and the surrounding noise. For MP3s a bitrate between 128 and 192 Kbps usually gives results good enough for listening to pop music with your device. WMA or AAC generally gives a similar result as MP3 with one step lower bit rate (96-160 Kbps). Variations of AAC, such as AAC+ and enhanced AAC+ (eAAC+) provide CD quality audio at bitrates as low as 48 Kbps. Classical music and music with nuances usually require a higher bit rate than basic pop music. For speech or other sources where the quality of the sound is less important than saving storage space, you can use bit rates between 8 and 64 Kbps. At low bit rates WMA or AAC generally gives better results than MP3. Variable bitrate Your device also supports variable bit rate (VBR). VBR means that the bit rate of the encoding varies with the complexity of the encoded material. When using VBR, the encoding is optimized to preserve a constant audio quality throughout the track rather than losing quality for complex music sections as with constant bit rate (CBR) encoding. Visual Radio Press , and select Applications > Radio. You can use the application as a traditional FM radio with automatic tuning and saved stations, or with parallel visual information related to the radio program on the display, if you tune to stations that offer Visual Radio service. The Visual Radio service uses packet data (network service). You can listen to the FM radio while using other applications. If you do not have access to the Visual Radio service, the network service providers and radio stations in your area may not support Visual Radio. You can normally make a call or answer an incoming call while listening to the radio. The radio is muted when there is an active call. The radio selects the used frequency band based on the country information received from the network. If this information is not available, you may be asked to select the region you are located in, or you can select the region in the Visual Radio settings. See 'Settings', p. 54. Listen to the radio Note that the quality of the radio broadcast depends on the coverage of the radio station in that particular area. 52