參數(shù)資料
型號(hào)： 80-0211-C
廠商： Electronic Theatre Controls, Inc.
英文描述： Speech And Music Processor
中文描述： 語(yǔ)音和音樂(lè)處理器
文件頁(yè)數(shù)： 1/12頁(yè)
文件大?。?/td> 358K
代理商： 80-0211-C
SC-691
Speech And Music Processor
Data sheet
2003 Sensory Inc.
P/N 80-0211-C
1
Features
Advanced, Catalog Speech Processor for High-
Quality Sound, Capable of Unlimited Speech
Duration Using External Memory
Operates up to 12.32 MIPS.
Supports High-Quality Algorithms Such as MX
(1.0 Kbps – 3.5 Kbps at 8 kHz), CX (3.0 Kbps –
11.2 kHz at 8 kHz Sampling Rate), ADPCM,
Single Channel FM with CX or MX.
Speed and Pitch Shifting in MX for Various
Voice Effects.
Six Level Digital Gain Control.
4 User Configurable I/O’s.
Very Low-Power Operation, Ideal for Hand-Held
Devices.
Low-Voltage Operation, Sustainable by Three
(3) Batteries.
Three Reduced Power Standby Modes, Less
Than 10
μ
A in Deep-Sleep Mode.
Resistor-Trimmed Oscillator or 32.768 kHz
Crystal Reference Oscillator.
Direct Speaker Drive, 32
(PDM).
Interrupt Driven, 4 or 8-Bit Parallel Data
Transfer Protocol.
Available in Die Form or 64-Pin LQFP Package
Description
The SC-691 is a standard slave synthesizer
from Sensory, Inc. that accepts compressed
speech data from other microprocessors or
microcontrollers and converts it to speech.
This allows the SC-691 to be used with a master
microprocessor/microcontroller
speech-related products such as security
systems, learning aids, games, and toys. High
quality, low bit-rate coders, easy interface with
the master microcontroller, digital gain control,
low power sleep mode, and low voltage
operation makes this device ideal for products
requiring
long
duration
development cycle times, and peripheral device
control through the slave device.
This device supports several speech synthesis algorithms that permit tradeoffs to meet the price performance
requirements of various markets.
The SC-691 implements a unique feature of playing a single channel FM music along with CX or MX speech
data concurrently. This feature allows the user to speak a certain phrase in MX or CX with single channel music
in the background.
The SC-691 is optimized to support a 4-bit wide data transfer protocol. The device has two status bits and three
control bits that control the communication protocol between the master and the slave.
The SC-691 also has 1 bit (command/data) which differentiates between a command and speech data feeding
into the slave. In 4-bit mode, various commands are sent to the slave during speech to perform various tasks.
The SC-691 also supports the 8-bit wide data transfer but the support for commands is disabled during
speaking-a-phrase. When speaking-a-phrase in 8-bit mode is complete, the SC-691 switches back to the 4-bit
mode to receive the next command. Switching between 4 bit mode and 8 bit mode is permitted between speech
data files.
in
various
speech,
less
SC-691 Block Diagram
16-Bit
Microprocessor
640-words
RAM
TIMER 1
TIMER 2
PLLM
10-Bit
DAC
SLAVE LOGIC
COMPARATOR
相關(guān)PDF資料
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80-0274-E VR Stamp⑩ With Serial EEPROM Speech Recognition Module
80-0276-F System Level ESD Mitigation
80-0281-E VR STAMP WITH SERIAL EEPROM
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