Oki Electric Releases World's Lowest Power Consumption Sound Chip for Mobile Phones, Equipped with 64 Polyphonic Sound Generator and MP3 Decoder
World's lowest power consumption chip of its type, enabling 60 hours of music playback
[Reference] Details of Oki's ML2841
MP3 decoder
- Super low power MP3 decoder
Power consumption when playback with headphone is approx. 32mW
- Compliant to: MPEG1/2/2.5 audio layer III Mono, Stereo mode
Sound generator
- A PCM sound generator equipped with a total of 188 tones
128 timbres compliant to general MIDI(*1)
47 percussion sounds compliant to general MIDI,
and 13 timbres of ethnic instruments from the Chinese traditional instruments - Maximum simultaneous sounds: 72 sounds MIDI 64 polyphonic+8Ch PCM(*2)
- Reproduces sound effects and speech using 2bit/4bit OkiADPCM synthesizers and PCM
- Compliant to SMF and Oki's original composition format MCDF
Common
- Equipped with 16bit high sound quality stereo DAC
- Equipped with SRS Labs' 3D surround SRS Headphone and SRS (Extreme mode)
- SRS Headphone: 3D sound for headphones
- SRS (Extreme mode): 3D sound for neighbor speakers
- 5 band digital equalizer
- Low power consumption, equipped with Class D stereo head phone amplifier
- 4 wired serial interface, 8bit parallel interface
- Simultaneously playback sound generator and MP3 or sound generator and ADPCM(*3)
Sales Plan
- Sample price
- 700 yen (without tax)
- Sample products
- Shipping
- Evaluation boards
- Shipping
- Product launch
- December 2006
Specifications
- Operating frequency
- 5MHz to 30MHz
- Operating voltage
- (digital) 1.35V to 1.65 V (analog) 2.7V to 3.6V
- Package
- 49pin W-CSP (4.16mm x 4.16mm)
Glossary
- *1 :General MIDI
A widely accepted industry standard that enables playback of the same musical composition in the same way, regardless of the MIDI-compliant device it is played with. Complying with GM allows access to a large amount of GM-supported contents, since most of the currently available electrical musical instruments and Karaoke systems support GM.
- *2 :PCM
Pulse Code Modulation
- *3 :ADPCM
Adaptive Differential Pulse Code Modulation
- * Information in the press releases is current on the date of the press announcement, but is subject to change without prior notice.
