UPD7759 - ADPCM SPEECH SYNTHESIZER LSIs

NEC

Datasheet Details

Part number	UPD7759
Manufacturer	NEC
File Size	183.71 KB
Description	ADPCM SPEECH SYNTHESIZER LSIs
Datasheet	UPD7759_NEC.pdf

5 q Synthesizing method q Sampling frequency q Bit rate (speech) q Number of Messages 5 q External speech data ROM Parameters Speech data ROM (External) Products Speech (ADPCM) 50 sec. (TYP. ) Synthesizing time Note1 : ADPCM, PCM + waveform element methods used together : 5, 6 or 8 kHz : 20 to 32 K bps : 256 (MAX. ) Melodies & sound effects Note2 (PCM + waveform element) 340 sec. (TYP. ) µ PD7759 1 Mbits Note 1. The synthesizing time for the speech is the value for a 6 kHz sampling. 2. The syn.

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Published: Apr 16, 2005 |