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SIM82XX_SIM83XX Series_TTS_Application Note_V1.01.pdf
About Document
Version History
Scope
Contents
1Introduction
1.1Purpose of the document
1.2Related documents
1.3Conventions and abbreviations
2TTS Introduction
2.1Characteristic
2.2The process of Using TTS AT Commands
3AT Commands for TTS
4TTS Examples
4.1Set Local or Remote audio play
4.2Play synthetic speech with UCS2 text
4.3Play synthetic speech with GBK text
4.4Stop the synthetic speech
4.5Set the speech parameters
4.6TTS to wav format
SIM82XX_SIM83XX Series
_TTS_Application Note
5G Module
SIMCom Wireless Solutions Limited
SIMCom Headquarters Building, Building 3, No. 289
Linhong Road, Changning District, Shanghai P.R. China
Tel: 86-21-31575100
support@simcom.com
www.simcom.com
SIM82XX_SIM83XX Series_TTS_Application Note_V1.01
SIM82XX_SIM83XX Series_TTS_Application Note
1.01
2021.11.25
Released
Document Title:
Version:
Date:
Status:
GENERAL NOTES
SIMCOM OFFERS THIS INFORMATION AS A SERVICE TO ITS CUSTOMERS, TO SUPPORT
APPLICATION AND ENGINEERING EFFORTS THAT USE THE PRODUCTS DESIGNED BY SIMCOM.
THE INFORMATION PROVIDED IS BASED UPON REQUIREMENTS SPECIFICALLY PROVIDED TO
SIMCOM BY THE CUSTOMERS. SIMCOM HAS NOT UNDERTAKEN ANY INDEPENDENT SEARCH
FOR ADDITIONAL RELEVANT INFORMATION, INCLUDING ANY INFORMATION THAT MAY BE IN THE
CUSTOMER’S POSSESSION. FURTHERMORE, SYSTEM VALIDATION OF THIS PRODUCT
DESIGNED BY SIMCOM WITHIN A LARGER ELECTRONIC SYSTEM REMAINS THE RESPONSIBILITY
OF THE CUSTOMER OR THE CUSTOMER’S SYSTEM INTEGRATOR. ALL SPECIFICATIONS
SUPPLIED HEREIN ARE SUBJECT TO CHANGE.
COPYRIGHT
THIS DOCUMENT CONTAINS PROPRIETARY TECHNICAL INFORMATION WHICH IS THE PROPERTY
OF SIMCOM WIRELESS SOLUTIONS LIMITED COPYING, TO OTHERS AND USING THIS DOCUMENT,
ARE FORBIDDEN WITHOUT EXPRESS AUTHORITY BY SIMCOM. OFFENDERS ARE LIABLE TO THE
PAYMENT OF INDEMNIFICATIONS. ALL RIGHTS RESERVED BY SIMCOM IN THE PROPRIETARY
TECHNICAL INFORMATION, INCLUDING BUT NOT LIMITED TO REGISTRATION GRANTING OF A
PATENT, A UTILITY MODEL OR DESIGN. ALL SPECIFICATION SUPPLIED HEREIN ARE SUBJECT TO
CHANGE WITHOUT NOTICE AT ANY TIME.
SIMCom Wireless Solutions Limited
SIMCom Headquarters Building, Building 3, No. 289 Linhong Road, Changning District, Shanghai P.R.
China
Tel: +86 21 31575100
Email: simcom@simcom.com
For more information, please visit:
https://www.simcom.com/download/list-863-en.html
For technical support, or to report documentation errors, please visit:
https://www.simcom.com/ask/ or email to: support@simcom.com
Copyright © 2021 SIMCom Wireless Solutions Limited All Rights Reserved.
www.simcom.com
1 / 9
SIM82XX_SIM83XX Series_TTS_Application Note_V1.01
About Document
Version History
Version
V1.00
V1.01
Date
2020.8.17
2020.11.25
Author
You Zhu
Shuai.Wang
What is new
First Release
Update the format
Scope
This document applies to the SIMCom SIM820X series, SIM821X series, SIM826X series and SIM83XX
series.
www.simcom.com
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SIM82XX_SIM83XX Series_TTS_Application Note_V1.01
Contents
About Document............................................................................................................ 2
Version History.........................................................................................................................................................2
Scope........................................................................................................................................................................ 2
Contents........................................................................................................................... 3
1 Introduction............................................................................................................... 4
Purpose of the document...........................................................................................................................4
Related documents.....................................................................................................................................4
Conventions and abbreviations................................................................................................................ 4
1.1
1.2
1.3
2 TTS Introduction...................................................................................................... 5
Characteristic...............................................................................................................................................5
The process of Using TTS AT Commands............................................................................................. 5
2.1
2.2
3 AT Commands for TTS........................................................................................... 6
4 TTS Examples...........................................................................................................7
Set Local or Remote audio play............................................................................................................... 7
Play synthetic speech with UCS2 text.....................................................................................................7
Play synthetic speech with GBK text....................................................................................................... 7
Stop the synthetic speech......................................................................................................................... 8
Set the speech parameters....................................................................................................................... 8
TTS to wav format.......................................................................................................................................8
4.1
4.2
4.3
4.4
4.5
4.6
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SIM82XX_SIM83XX Series_TTS_Application Note_V1.01
1 Introduction
1.1 Purpose of the document
Based on module AT command manual, this document will introduce TTS application process.
Developers could understand and develop application quickly and efficiently based on this document.
1.2 Related documents
[1] SIM82XX_SIM83XX Series_AT Command Manual
1.3 Conventions and abbreviations
www.simcom.com
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SIM82XX_SIM83XX Series_TTS_Application Note_V1.01
2 TTS Introduction
TTS (Text To Speech) is one of the applications of speech synthesis. TTS can translate text to sound,
automatic recognition of Chinese and English, support Chinese and English mixed reading.
2.1 Characteristic
TTS, when you input a string of a text, engineer can translate it to sound. The encoding methods
supported are ASCII, UCS2 and GBK.
2.2 The process of Using TTS AT Commands
Step 1: Ensure TTS function is available.
Step 2: Set play path by AT+CDTAM, if necessary, default is play to local.
Step 3: Set play parameters by AT+CTTSPARAM, if necessary, default parameters are set when power on.
Step 4: Use AT+CTTS to play TTS.
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SIM82XX_SIM83XX Series_TTS_Application Note_V1.01
3 AT Commands for TTS
Command
AT+CDTAM
AT+CTTSPARAM
AT+CTTS
Description
TTS play path, local or remote
TTS Parameters, set or get
TTS operation, play or stop
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SIM82XX_SIM83XX Series_TTS_Application Note_V1.01
4 TTS Examples
4.1
Set Local or Remote audio play
//Example of set play path
AT+CDTAM=1
+CDTAM:
OK
AT+CDTAM=0
+CDTAM:
OK
//Set remote path
// Set local path
4.2
Play synthetic speech with UCS2 text
//Example of TTS play with UCS2
AT+CTTS=1,"6B228FCE4F7F75288BED97F354
0862107CFB7EDF"
OK
+CTTS:0
//text UCS2 coding format.
//Speech synthetic successful,
play with the current channel.
the tts voice will
//Speech played over. User needs to wait
response to play the next speech!
this
4.3
Play synthetic speech with GBK text
// Example of TTS play with normal text
AT+CTTS=2,"hello，欢迎使用语音合成系统"
OK
www.simcom.com
//English is ASCII coding format, Chinese is GBK
coding format.
//Speech synthetic successful,
the tts voice will
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