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SC-6X PDF预览

SC-6X

更新时间: 2024-09-19 06:10:19
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描述
SPEECH AND MUSIC PROCESSORS

SC-6X 数据手册

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SC-6X FAMILY  
SPEECH AND MUSIC PROCESSORS  
Whether you need your product to say a few words or talk for several minutes, Sensory’s SC-6x speech and  
music processors can deliver a few seconds to several hours of speech.  
Every Sensory speech product is made with your design in mind. Efficient technology allows you to cut costs and  
size by using smaller and fewer devices. A complete range of development tools and software  
helps you get your products to market faster.  
POWERFUL TECHNOLOGY  
The SC-6x product family introduces a new world of speech synthesis  
opportunities. This family is built around a 12.32 million instructions per second  
(MIPS) Digital Signal Processor (DSP) to enable advanced speech algorithms,  
yielding speech quality never before obtained at such low data rates.  
These DSPs provide three low-power modes, two timer interrupts, one DAC interrupt and  
five general-purpose interrupts. These features increase battery life and speed of  
response to button and keyboard presses.  
Sensory SC-6x employs three processing methods - CX, MX, LPC - that produce natural sounding speech while  
using a relatively small amount of memory. Your product’s quality will speak for itself.  
If your product needs music, Sensory offers several choices, including simultaneous speech with high quality  
polyphonic music.  
A RANGE OF CHOICES  
Not only can you choose the optimum combination of price and capacity, you can adopt any of these digital  
storage alternatives: On-chip mask programmable ROM, External memory (SC-614 only).  
TYPES OF SYNTHESIS  
Memory Required per Minute of Speech (KB)  
Data Rate Kbps  
CX synthesis is your solution for producing long durations of great speech and sound  
3.0~11.2 22.5~84.0  
effects at the lowest possible system cost. MX offers data rates as low as 1K bits-per-  
second, yielding high quality speech with minimal development effort.  
MX synthesis provides optimal speech and sound effects. Its highly sophisticated analysis  
can reproduce the subtle qualities of a broad range of character voices. CX offers up to six  
choices of data rates to help you optimize speech quality and memory cost.  
1.0~3.5  
1.8  
7.5~26.2  
13.5  
LPC is mathematically simpler than MX or CX, requiring less processing power but more  
editing.  
Music Synthesis  
Sensory also provides a way to enhance your products with high quality music synthesis. Sensory’s music  
synthesizer provides polyphonic music using standard Musical Instrument Digital Interface (MIDI) files that have  
been converted into compact bitstreams. This gives the ability to play up to 14 channels of music.  
Music + Speech  
The music synthesizer can also play polyphonic music simultaneously with speech (MX or CX), adding even  
more excitement to your products.  
Product Brief  
(80-0213-C)  

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