NEC Electronics announced the PD9971 melody chip [.jpg image ] for mobile phones, which offers a 3-D positioning function with built-in real-time processing, stereo 16-bit DA converter and 128 polyphonic tones. The combination of features will help OEMs deliver dynamic sound quality with on-chip functions including pitch bend, vibrato, delay, reverb, chorus, compression and Doppler. The chip is also compatible with Mobile XMF and Standard MIDI Files (SMF).
Input frequency of the serial data is variable possible to 32fs – 64fs. (At the time of slave mode)
The format corresponds to right stuffing left stuffing IIS.