Understanding SYN6288 functional features and applications

Catalog

What is SYN6288?

SYN6288 is one of a series of speech synthesis chip modules produced by Beijing Yuyintianxia Technology Co., Ltd. As a speech synthesis device, SYN6288 has a text-to-speech function, which can process and synthesize input text information internally and then output corresponding voice information. The dimensions of this module are 10.2mm x 5.3mm. With its excellent speech synthesis quality, high-quality output sound quality and convenient use, the SYN6288 speech synthesis module has been widely used in the fields of smart home appliances, speech recognition, voice prompts, voice broadcasts, smart homes, and security monitoring.

SYN6288 broadcast function principle

SYN6288 is an integrated speech synthesis chip with broadcast function. The principle of its broadcast function mainly covers the following steps. First, the user inputs the text to be broadcast into SYN6288 through the serial port or other interface. The text can be pre-stored in the chip or entered in real time. After receiving the text input by the user, SYN6288 will perform a series of text processing operations, including word segmentation, grammatical analysis, etc., in order to convert the text into a format suitable for speech synthesis. Next, SYN6288 will use its internal speech synthesis algorithm to convert the processed text into the corresponding speech signal. This process involves phoneme selection, intonation adjustment, etc., aiming to ensure the quality and fluency of the synthesized speech. Finally, the synthesized voice signal will be transmitted to the speaker or other device through the audio output interface inside the chip, thereby realizing the voice broadcast function.

Functional features of SYN6288

The following lists the functional features of the SYN6288 voice playback module:

• All indicators of the chip meet the application requirements in harsh outdoor environments;

• The amount of text synthesized each time can be up to 200 bytes;

• Supports a variety of text control tags to improve the accuracy of text processing;

• Supports text in GB2312, GBK, BIG5 and UNICODE internal code formats;

• You can adjust the word speaking speed by sending control tags, supporting 6 levels of word speaking speed adjustment;

• Supports sleep function, which can reduce power consumption in sleep state; supports multiple ways to query the chip working status;

• Have strong ability to process multi-phonetic characters and Chinese surnames;

• The final product is available in SSOP chip packaging form; the size is the smallest in the industry;

• Internally integrated 19 voice prompts, 23 chord prompts, and 15 background music;

• Supports 16 levels of volume adjustment; the foreground volume for text playback and the background volume for background music playback can be controlled separately;

• Multiple chord music, prompt sound effects and common voice prompts for certain industry fields are solidified in the chip;

• Supports a variety of control commands, including: synthesis, stop, pause synthesis, continue synthesis, change baud rate, etc.;

• It has an intelligent text analysis and processing algorithm that can correctly identify values, numbers, time and date, and commonly used weights and measures symbols;

• Supports serial data communication interface and supports three communication baud rates: 9600bps, 19200bps, 38400bps;

• Clear, natural and accurate Chinese speech synthesis effect; can synthesize any Chinese text, and supports the synthesis of English letters.

How to use the SYN6288 speech synthesizer module?

First, we need to connect the SYN6288 module with the microcontroller. Normally, this module communicates with the microcontroller via a serial port. During this process, we must ensure that all connections are correct, including power, ground, and serial port connections. Next, we will write the code that controls the SYN6288 module using a programming language of choice (such as C, C++, or Python, etc.). We need to send specific commands and parameters to the module to control it to perform specific operations, such as playing specific voice content. Subsequently, we need to have an in-depth understanding of the serial communication protocol of the SYN6288 module. This usually involves setting the correct parameters such as baud rate, data bits, parity bits, and stop bits. To ensure smooth communication, we must ensure that the settings of the microcontroller match the requirements of the module. After completing the above steps, we will send commands to the SYN6288 module through the serial port, such as playing a specific voice file or converting text to speech for playback. After writing the code, we will work on testing and debugging. During this process, we need to ensure that the module can play the voice content correctly and that the communication with the microcontroller is in normal working condition. Once the code is tested and confirmed to be correct, we can integrate the SYN6288 module into the specific project. This may involve designing and making a suitable enclosure and installing the module into the target device.

Pinout of SYN6288 speech synthesizer module

How to check the working status of the chip?

We can check the working status of SYN6288 through software and hardware.

Software method

Query the working status of the chip through the chip status query command frame. When the host computer sends a status query command frame to the chip, the chip will immediately send a feedback of the current chip status to the host computer. The host computer determines whether the current chip is in an idle state or a broadcast state based on the return data of the chip status.

Hardware method

Determine the working status of the chip by querying the level of the output pin Ready’/Busy. When Ready’/Busy is at high level, it indicates that the chip is synthesizing and playing text state; when Ready’/Busy is at low level, it indicates that the chip is in idle state.

How does SYN6288 implement multi-language support?

SYN6288 mainly achieves multi-language support through its internally integrated multi-language voice library and digital speech synthesis technology. The following are the key steps and mechanisms for achieving multi-language support:

Language selection mechanism

SYN6288 usually has a language selection interface that allows users or the host computer to specify the language to be used through commands or configuration parameters. Once a specific language is selected, the module uses the phonetic library of the corresponding language for speech synthesis.

Multi-language voice library

SYN6288 is pre-installed with multiple language voice libraries. These voice libraries contain pronunciation data and synthesis rules of different languages. These libraries can be loaded during module initialization and used for subsequent speech synthesis.

Text-to-speech conversion

When SYN6288 receives the text information to be synthesized, it will extract pronunciation data from the corresponding speech library according to the selected language. This pronunciation data is then combined into a continuous speech stream using digital speech synthesis technology.

User interface and configuration

In order to facilitate users to use multi-language functions, SYN6288 usually provides friendly user interface and configuration options. This can be a simple graphical user interface (GUI) or specific commands sent over a serial port or other communication interface.

Language pack update

In order to adapt to new languages or provide customized voice effects, SYN6288 usually supports updating or replacing the internal voice library through external connections. This means developers can add new language support as needed.

Internationalization and localization

In order to achieve true multi-language support, SYN6288 may need to consider factors such as grammar, intonation changes, and pronunciation rules of different languages. This means that the speech library needs to be carefully designed and optimized to ensure natural and accurate speech output in various language environments.

Frequently Asked Questions [FAQ]

1. What does a speech synthesizer do?

Speech synthesizers are programmed to include all the phonemes and grammatical rules of a language, allowing words to be pronounced correctly although names and compound words can cause problems because they often contain unusual spellings and letter combinations.

2. What are the key features of SYN6288?

The SYN6288 module features high-quality speech synthesis, support for multiple languages, easy integration, and adjustable speech speed and volume.

3. What are some notable advantages of using SYN6288?

Some advantages of using SYN6288 include its high-quality speech output, multilingual support, flexibility in adjusting speech parameters, and ease of integration into different projects.