Motorola VA76R ユーザーズマニュアル
Sound
W760r/VA76r Media Guide
Page 21
Table 17 Sound formats
Type
Description
AAC
Short for Advanced Audio Encoding (.aac, .adcs, .adif), one of the audio compression
formats defined in the MPEG-2 standard. AAC boosts higher quality audio reproduction
than MP3 and requires 30% less data to do so.
formats defined in the MPEG-2 standard. AAC boosts higher quality audio reproduction
than MP3 and requires 30% less data to do so.
AMR-NB
AMR-WB
Adaptive Multi Rate offers a wide range of data rates. The philosophy behind AMR is to
lower the data rate as the interference increases to enable better error correction.
lower the data rate as the interference increases to enable better error correction.
iMelody
iMelody is the Infrared Data Association (IrDA) standard for the textual representation of a
ring tone that can be used to transfer melodies between devices.
ring tone that can be used to transfer melodies between devices.
MIDI
The W760R/VA76R handset is MIDI 1.0 compliant (.mid, .midi, .mmf, .smf), and supports
any data format described in The Complete MIDI 1.0 Detailed Specification, including:
any data format described in The Complete MIDI 1.0 Detailed Specification, including:
- MIDI, Type 0
- MIDI, Type 1
Scalable Polyphonic MIDI (SP-MIDI)
PCM
Pulse Coding Modulation, a digital representation of an analog signal.
MP3
The MP3 format (.mp3) provides the coding of audio for digital storage.
Real Audio
Real Audio (.ra, .rm) is a compressed format suitable for streaming over the internet.
WAV
Format for storing files (.wav). Linear pcm 8-bit and 16-bit, CCITT A-law and U-law.
WMA
Windows Media Audio.
Table 18 shows the bit rate, sampling rate, and stereo/mono capabilities for each supported format.