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Although previous audio playback periods have been largely limited to 3 to 5 hours, it is now possible
to achieve playing times of 24 hours or longer by adopting SANYO audio compression ICs.
SANYO has developed ICs that, in addition to support for even more sounds, also include new
functions such as support for new standard melody formats and 3D audio.
2120
Sound Generator IC (MIDI)
SD card
NAND
flash
Stereo
output
YY filter
surround
SIO
ROM
RAM
DP
buffer
SD I/F
Input
buffer
NAND
controller
ARM7TDMI
Host
CPU
MP3
hard
wired
decoder
AAC
hard
wired
decoder
AAC
+
hard
wired
decoder
EMT
PLL
● Capable of generating up to 128-voice polyphony in a full PCM sound generator
128 GM sounds + 47 drum sets + 32 sound effects sounds (conforms to GM1)
● Includes a 3D surround function and a 3D positioning* function that allows the specification of positioning information
that positions the generated sound at an arbitrary position in three-dimensional space.
● Supports not only the Mobile XMF new melody format but also a variety of other formats
● User Customized Sound function that allows the user to register arbitrary sounds
● Supports up to four songs worth of MIDI data and can play up to four channels of ADPCM (PCM) data at the same time
● Includes a 4-band parametric equalizer that can provide optimal equalization for the speakers used
● Supports karaoke and Java applications: JSR135, JSR2348. Supports special effects such as pitch bend, vibrato, delay,
reverb, chorus, Doppler, and compression.
● Supply voltage: internal 1.5 V, I/O 1.8 to 2.8 V
● Package: FBGA64 (5×5×1.2 mm)
Featuring
● Capable of generating up to 64-voice polyphony in a full PCM sound generator (conforms to GM1)
● Includes a 3D surround function and a 3D positioning* function that allows the specification of positioning information that
positions the generated sound at an arbitrary position in three-dimensional space.
● Supports not only the Mobile XMF new melody format but also a variety of other formats
● User Customized Sound function that allows the user to register arbitrary sounds
● Supports up to four songs worth of MIDI data and can play up to four channels of ADPCM (PCM) data at the same time
● Includes a 4-band parametric equalizer that can provide optimal equalization for the speakers used
● Supports karaoke and Java applications: JSR135, JSR2348
● Includes an MP3 and AAC decoder function. The industry’s lowest power consumption: 8.5 mW for both MP3 and AAC
● Built-in 8-band graphic equalizer
● Supply voltage: internal 1.8/1.3 V, I/O 2.85 V
● Package: WL-CSP64 (6.1×6.1×0.9 mm
3
)
Featuring
● Capable of generating up to 64-voice polyphony in a full PCM sound generator (conforms to GM1)
● Integrated 3D surround function that creates a rich feeling of spaciousness
● Includes an MP3 decoder function. The industry’s lowest power consumption: 8.5 mW for MP3
● User Customized Sound function that allows the user to register arbitrary sounds
● Supports up to four songs worth of MIDI data and can play up to four channels of ADPCM (PCM) data at the same time
● Includes a 4-band parametric equalizer that can provide optimal equalization for the speakers used
● Supports karaoke and Java applications: JSR135
● Supply voltage: internal 1.8/1.3 V, I/O 2.85 V
● Package: PFBGA89 (6.0×6.0×0.8 mm
3
)
Featuring
The LC82335X ICs support MP3, AAC, and AAC+.
By implementing the MP3, AAC, and AAC+ decoding functions in a hardwired structure, these ICs achieve an
ultralow power consumption that would be impossible in a DSP based structure.
● Hardwired MP3, hardwired AAC, and hardwired
AAC+.
● Ultralow power consumption: 10 mW
● Buffer size: 10 KB
● Built-in YY filter
● SD interface
● ARM7TDMI
Integrates 128-voice polyphony + PCM, 3D surround, 3D positioning* and Mobile XMF support
New
product
LC823872
Integrates 64-voice polyphony + PCM, 3D surround, 3D positioning, Mobile XMF support and MP3/AAC decoding
New
product
LC823553
Integrates 64-voice polyphony + PCM, 3D surround and MP3/AAC decoding
New
product
LC823501
MP3/WMA Decoder
LC823231
Single-Chip Audio
Under
development
LC82335X
Support for 24 hours of playback
Audio Compression IC
*: 3D positioning function
Function that can create a realistic
impression of space even from cell
phones that cannot provide an
adequate speaker separation.
● Ultralow power (MP3: 10 mW, WMA: 15 mW)
● Supported formats
- MPEG1, MPEG2, MPEG2.5 (all sampling frequencies, all bit rates)
- WMA
● Digital volume and tone control circuits
● Digital equalizer and audio leakage prevention functions (D/A converter based)
● ∆∑D/A converter and class D amplifier
● PCM I/O interface
● Sleep mode
● Crystal oscillator frequency: 16.9344 MHz (44.1 kHz × 384)
● Sampling frequencies other than 44.1 kHz supported with built-in PLL circuit
Featuring