A differentiated product developed and customized for specific scenarios and requirements of global minority languages and multilingual voice control. It adopts high-performance AI chips and is equipped with the offline speech recognition algorithm for minority languages of the Institute of Acoustics, Chinese Academy of Sciences. It can support more than 200 minority languages and even regional dialects. Voice command recognition development. Solving the language communication barriers between humans and machines will never allow any product to be aborted due to language restrictions, and help enterprises and products.
Number of microphones: single mark;
Voice recognition method: offline voice recognition;
Supported languages: Mandarin/English/Japanese/Korean/Other small language customized instructions;
Average power consumption: chip power consumption is as low as 30mA;
Package size: length, width and thickness 15*14.5*3mm (module)/length, width and thickness 8.6*6*1.75mm (chip);
Rich peripherals: UART*2, PWM*3, GPIO*9 (maximum);
Noise reduction performance: supports single-mic normal noise reduction;
Speech recognition rate: 95% (50dB background noise environment, tested within 8 meters distance);
Number of instructions: 50/150/300 (there will be a slight deviation depending on the instruction length in actual application);
Response speed: the fastest 200ms can complete the recognition response;
Electrical performance: complies with EMC and FCC standards, and the internal enhanced ESD can pass 4KV contact discharge test;
Material standards: Environmentally friendly materials comply with ROHS/REACH standards;
For minor language customization, customers need to provide target minor language speech data collected as required. We will conduct targeted AI training to achieve instruction recognition in the target language.
The module is mounted on one side and has pins on both sides. The module supports a single microphone input and can be directly connected to the module. It also supports human voice reply and can directly drive the speaker.
Pin number | Pin name | Function Description |
1 | GMD | GMD |
2 | SPK_MUTE | Power amplifier MUTE output pin, high level mute, low level operation. When the power of the internal power amplifier is not enough, it is used as mute control of the external power amplifier. |
3 | DC5V | DC5V module power input |
4 | VDD_3V3 | The module’s internal LDO 3.3V output can be used for small load peripheral power supply. |
5 | GMD | GMD |
6 | GPIO_06 | GPIO/I2S_SDI/I2C_SDA/PWM0/UART_TX1(output) |
7 | GPIO_07 | GPIO/I2S_LRCK/I2C_SCL/PWM1/UART_RX1(enter) |
8 | GPIO_08 | GPIO/I2S_SCLK/PDM_DAT/UART_TX2/PWM3 |
9 | GPIO_09 | GPIO/I2S_SDO/PWM2, PG_EN programming enable pin (high level enters programming), it is recommended to retain and reserve test points for the upgrade port |
10 | GPIO_10 | GPIO/I2S_MCLK/PDM_CLK/UART_RX2/PWM4 |
11 | TX0 | GPIO/UART_TX0/I2C_SDA/PWM1, upgrade port, it is recommended to keep and reserve test points |
12 | RX0 | GPIO/UART_RX0/I2C_SCL/PWM2, upgrade port, it is recommended to keep and reserve test points |
13 | MICR+ | MIC input positive pole (choose this MICR as AEC input for echo cancellation) |
14 | MICR- | MIC input negative pole (select this MICR as AEC input for echo cancellation) |
15 | MICL+ | MIC input positive pole (single MIC and echo cancellation use this MICL as the MIC input) |
16 | MICL- | MIC input negative pole (single MIC and echo cancellation use this MICL as the MIC input) |
17 | SPKL- | Speaker output negative pole |
18 | SPK+ | Speaker output positive |
Please send your request to us, all information and uploads will be secure and confidential.
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