Appendix

Additional Information

Terms

A2DP

A2DP is short for Advanced Audio Distribution Profile. This profile allows the high quality audio data of either stereo or monaural to be transmitted via Bluetooth wireless technology.

AAC

AAC is short for Advanced Audio Coding and refers to an audio compression technology standard used with MPEG 2 and MPEG 4.

AVRCP

AVRCP is short for Audio/Video Remote Con- trol Profile. This profile enables interoperability between audio and video features of the Blue- tooth device connected via Bluetooth wireless technology.

Bit rate

This expresses data volume per second, or bps (bits per second) units. The higher the rate, the more information is available to reproduce the sound. Using the same encoding method (such as MP3), the higher the rate, the better the sound.

Bluetooth

Bluetooth is a short-range wireless radio con- nectivity technology that is developed as a cable replacement for mobile phones, hand- held PCs and other devices. Bluetooth oper- ates in 2.4 GHz frequency range and transmits voice and data at speeds up to 1 megabit per second. Bluetooth was launched by a special interest group (SIG) that comprises of Ericsson Inc., Intel Corp., Nokia Corp., Toshiba and IBM in 1998, and it is currently developed by nearly 2 000 companies worldwide.

GAP

GAP is short for Generic Access Profile. This is a basic profile of Bluetooth wireless technol- ogy.

HFP

HFP is short for Hands Free Profile. This profile is used for hands-free phoning with the de- vices featuring Bluetooth wireless technology.

HSP

HSP is short for Head Set Profile. This profile is used for connecting headset and communi- cation terminal via Bluetooth wireless technol- ogy.

ID3 tag

This is a method of embedding track-related information in an MP3 file. This embedded in- formation can include the track title, the ar- tist’s name, the album title, the music genre, the year of production, comments and other data. The contents can be freely edited using software with ID3 Tag editing functions. Although the tags are restricted as to the num- ber of characters, the information can be viewed when the track is played back.

ISO9660 format

This is the international standard for the for- mat logic of CD-ROM folders and files. For the ISO9660 format, there are regulations for the following two levels.

Level 1:

The file name is in 8.3 format (the name con- sists of up to 8 characters, half-byte English capital letters and half-byte numerals and the “_” sign, with a file-extension of three charac- ters).

Level 2:

The file name can have up to 31 characters (in- cluding the separation mark “.” and a file ex- tension). Each folder contains less than 8 hierarchies.

Extended formats

Joliet:

File names can have up to 64 characters. Romeo:

File names can have up to 128 characters.

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DEH-P980BT specifications

The Pioneer DEH-P980BT is a feature-rich car stereo receiver that embodies advanced audio technology and user-friendly design. As part of Pioneer's esteemed lineup, this model is targeted towards audiophiles and casual listeners alike, offering exceptional sound quality and a myriad of customization options.

One of the standout features of the DEH-P980BT is its Bluetooth capability. This allows for seamless wireless audio streaming from a variety of devices, including smartphones and tablets. The built-in Bluetooth not only supports audio playback but also provides hands-free calling, ensuring safe communication while driving. The inclusion of dual phone connection is a notable improvement, enabling users to connect two mobile devices simultaneously.

The DEH-P980BT shines when it comes to audio quality. It features Pioneer's Advanced Sound Retriever technology, which enhances compressed audio files like MP3 and AAC, restoring lost frequencies and creating a richer auditory experience. Additionally, the unit is equipped with a 24-bit DAC that delivers high-resolution audio through its RCA output, allowing for cleaner sound in a multi-channel setup.

For users seeking to personalize their listening experience, the DEH-P980BT offers extensive customization options. The 3-way crossover and 7-band graphic equalizer enable meticulous sound tuning to match individual preferences and different audio environments. Moreover, the Auto EQ feature automatically adjusts sound settings based on cabin acoustics, providing optimal performance with minimal effort.

The display on the DEH-P980BT is another highlight, featuring a bright and clear OLED screen that is easy to read in various lighting conditions. The interface is intuitive, allowing for quick navigation through menus and settings. Users can select from a range of color options and visual effects to match their vehicle's interior, providing a personalized touch.

In terms of connectivity, the DEH-P980BT is compatible with various media formats, including CD, MP3, WMA, and JPEG files via USB. This adaptability allows users to access a wide range of audio content. Furthermore, the auxiliary input offers additional flexibility for connecting portable devices.

In summary, the Pioneer DEH-P980BT is a well-rounded car stereo receiver that emphasizes audio quality, connectivity, and user customization. With its advanced features and technologies, it stands as an exceptional choice for those looking to enhance their in-car audio experience.
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