參數資料
型號： DSPIC33FJ128GP710T-I/PF
廠商： Microchip Technology
文件頁數： 53/90頁
文件大小： 0K
描述： IC DSPIC MCU/DSP 128K 100TQFP
產品培訓模塊： Asynchronous Stimulus
標準包裝： 1,000
系列： dsPIC™ 33F
核心處理器： dsPIC
芯體尺寸： 16-位
速度： 40 MIP
連通性： CAN，I²C，IrDA，LIN，SPI，UART/USART
外圍設備： AC'97，欠壓檢測/復位，DMA，I²S，POR，PWM，WDT
輸入/輸出數： 85
程序存儲器容量： 128KB（128K x 8）
程序存儲器類型： 閃存
RAM 容量： 16K x 8
電壓 - 電源 (Vcc/Vdd)： 3 V ~ 3.6 V
數據轉換器： A/D 32x10b/12b
振蕩器型： 內部
工作溫度： -40°C ~ 85°C
封裝/外殼： 100-TQFP
包裝： 帶卷 (TR)
配用： DM300024-ND - KIT DEMO DSPICDEM 1.1
DV164033-ND - KIT START EXPLORER 16 MPLAB ICD2
MA330012-ND - MODULE DSPIC33 100P TO 84QFP
MA330011-ND - MODULE DSPIC33 100P TO 100QFP
DM240001-ND - BOARD DEMO PIC24/DSPIC33/PIC32
AC164323-ND - MODULE SKT FOR 100TQFP
2005 Microchip Technology Inc.
Preliminary
DS70155C-page 55
dsPIC33F
11.13 Speech Encoding/Decoding
Library
The Speech Encoding/Decoding Library performs toll-
quality voice compression and voice decompression.
The library is based on a modified version of the Speex
speech encoder/decoder source code and features a
16:1 compression ratio. It samples speech at 8 kHz and
compresses it to a data rate of 8 kbps. Storing
compressed
speech
for
playback
requires
approximately 1 KB of memory for each second of
speech. The library is especially suitable for the
following voice-based applications:
Answering Machines
Building and Home Safety Systems
Intercoms
Smart Appliances
Voice Recorders
Walkie-Talkies
Any Application using Message Playback
A PC-based speech encoder utility program allows you
to create your own encoded speech files for playback.
Encoded speech files are made from either a PC
microphone or existing WAV file. Once you create the
encoded speech files, they are added to your MPLAB
C30 project, just like a regular source file, and built into
your application. The speech encoder utility allows you to
select four target memory areas to store your speech file:
program Flash memory, RAM and external Flash
memory. External Flash memory allows you to store
many minutes of speech (1 minute of speech requires
60 KB) and it is supported through a general purpose I/O
port.
Key features of the Speech Encoding/Decoding Library
include:
PESQ-based Mean Opinion Score: 3.7-4.2
(out of 5.0)
Code Excited Linear Prediction (CELP) based
coding
2 Analog Input Interfaces – codec or on-chip ADC
2 Analog Output Interfaces – codec or
on-chip PWM
Optional Voice Activity Detection
Storing compressed speech requires 1 KB of
memory per second of speech
Royalty-free (only one-time license fee)
Full compliance with Microchip MPLAB C30
C Compiler Language Tools
“dsPIC30F Speech Encoding/Decoding Library
User’s Guide”
Designed to run on dsPICDEM 1.1 General
Purpose Development Board (DM300014)
相關PDF資料
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REC5-2405SRWZ/H4/C/SMD-R CONV DC/DC 5W 9-36VIN 05VOUT
P51-15-G-U-I12-4.5V-000-000 SENSOR 15PSI 7/16-20-2B .5-4.5V
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參數描述
ADS62P45IRGCR 功能描述:模數轉換器 - ADC Dual 14B 125MSPS ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS62P45IRGCRG4 功能描述:模數轉換器 - ADC DUAL 14B 125MSPS Para ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS62P45IRGCT 功能描述:模數轉換器 - ADC Dual 14B 125MSPS ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS62P45IRGCTG4 功能描述:模數轉換器 - ADC DUAL 14B 125MSPS Para ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS62P45RGC 制造商:TI 制造商全稱:Texas Instruments 功能描述:Dual Channel 14-Bit, 125/105/80/65 MSPS ADC with Parallel CMOS/DDR LVDS outputs
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