Kt148a voice chip IC user end self replacement voice method, upper computer

Catalog

5.1 The first 1 Step -- Generate audio files

5.2 The first 2 Step -- Converting audio files

2.3 The first 3 Step -- Use the serial port download tool to download audio

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The chip supports changing the sound through the serial port , The required tools are as follows ：

1. PC End of the audio compression software --- We provide
2. PC End of the download tool software --- We provide
3. USB turn TTL Serial port tool --- Recommended CH340G Of USB turn TTL modular

5.1 The first 1 Step -- Generate audio files

1、 This can be done through TTS Synthesis software , Make your own mp3 perhaps wav file . You can also find live recording and so on

2、 After getting these audio files , You can listen to the effect

3、 The effect of audio , It must be done in this step , Include , Fix the sound 、 Head to tail , Adjust the volume, etc

To be continued .........

5.2 The first 2 Step -- Converting audio files

 

1、 Use the tool software we provide , The format can only be selected F1A

2、 Sampling rate and code rate , Just make your own flexible choices , General recommendation “ Sampling rate 16K”, Bit rate 6K , The effect is very good

If space permits , Just play freely . If there are many voices , It is recommended to use “ Sampling rate 8K, Bit rate 8K”

3、 Add files , Select the output directory  , Finally, click Convert

1. He will put the original audio file , Born into xxx.f1a File format , Note that this file cannot be played on the computer , It can only be downloaded to the chip to decode and play

2.3 The first 3 Step -- Use the serial port download tool to download audio

 

1、 Be sure to put the chip 5 Power on when the foot is short circuited to the ground , Hear the horn “ drop ” A voice , Just loosen it

2、 This is the time , The chip will automatically enter the download state  . Recommended selection CH340G Of USB turn TTL modular

3、 Connect the serial port module to the computer ,USB turn TTL Of TX Chip connected 2 foot ,USB turn TTL Of RX Chip connected 3 foot , And then together .

4、 Click... On the upper computer , Open the serial port , Baud rate is fixed 115200 , Select import file , Click again “ Download all ”, Waiting for completion 5、 Note that after downloading , Can use chip 4 Foot to ground trigger , Listen to the downloaded sound file