Bluetooth conference speakers can help people overcome the shortcomings of slow recording and poor preparation in meetings. Not only can they have recording, transcription and translation functions, but they can also be used as Bluetooth speakers for entertainment in our leisure time, such as listening to songs, watching movies or is listening to books, etc.
The features of F-6990 in conference audio system as follows:
1. Support ANC and ENC
2. Perception mode
3. Adaptive ANC
4. ANC Microphone: 4 microphones
5. Codecs supported: AAC/LDAC/SBC
6. Fast charging time, 15 minutes of charging, 1 hour of use
7. Wind noise suppression function
BK3288 series is a MCU+DSP dual-core Bluetooth chip, powerful MIPS and RAM resources, highly integrated peripherals, integrating all physical peripherals required for audio products, with a strong gene that can develop simple to complex audio products.
BK3288 series chip parameters:
Chip |
BK32881 |
BK32883 |
BK32888 |
CC6100A |
CC6100B |
Package |
QNF40/4*5 |
QNF40/4*5 |
QNF48/6*6 |
QNF40/4*5 |
QNF56/7*7 |
Bluetooth version |
5.2 |
5.2 |
5.2 |
5.2 |
5.2 |
Channel |
stereo channel |
stereo channel |
stereo channel |
stereo channel |
stereo channel |
Charging compartment communication |
support |
support |
support |
support |
support |
IO qty |
20 |
17 |
21 |
16 |
28 |
Flash |
8M |
8M/16M |
8M/16M |
16M/32M |
16M/32M |
MCU |
200MHZ |
200MHZ |
200MHZ |
200MHZ |
200MHZ |
DSP |
400MHZ |
400MHZ |
400MHZ |
400MHZ |
400MHZ |
SRMA |
896Kbyte |
896Kbyte |
896Kbyte |
896Kbyte |
896Kbyte |
DAC |
192K/24BIT (1.8V) |
192K/24BIT (1.8V) |
192K/24BIT (1.8V) |
192K/24BIT (1.8V) |
192K/24BIT (1.8V) |
DAC SNR |
105dB |
105dB |
105dB |
105dB |
105dB |
ADC(max) |
48K/24BIT |
384K/24BIT |
384K/24BIT |
384K/24BIT |
384K/24BIT |
AUX |
NO |
NO |
NO |
1 AUX |
2 AUX |
SPDIF coaxial fiber |
1 |
1 |
3 |
1 |
3 |
USB/TF |
Support USB |
Support USB |
Support USB/TF |
Support USB/TF |
Support USB/TF |
MIC QTY(analog) |
1 MIC |
3MIC(1+2) |
5MIC(1+4) |
3MIC |
5MIC(1+4) |
DMIC (Digital) |
NO |
NO |
1 |
1 |
1 |
Code encryption |
Support |
Support |
Support |
Support |
Support |
A2DP power consumption (without earphones) |
6-7MA |
6-7MA |
6-7MA |
6-7MA |
6-7MA |
HFP power consumption(without earphones) |
7-8MA |
7-8MA |
7-8MA |
7-8MA |
7-8MA |
ENC power consumption (without earphones) |
11MA |
11MA |
11MA |
11MA |
11MA |
ANC power consumption (without earphones) |
8MA |
8MA |
8MA |
8MA |
8MA |
Power consumption at shutdown |
5UA |
5UA |
5UA |
5UA |
5UA |
Fully charged power consumption in the charging compartment, 5V normally open |
6UA |
6UA |
6UA |
6UA |
6UA |
TWS |
Support |
Support |
Support |
Support |
Support |
RF maximum power |
11dB |
11dB |
11dB |
11dB |
11dB |
RF Sensitivity |
94dB |
94dB |
94dB |
94dB |
94dB |
Low latency mode |
40-60MS |
40-60MS |
40-60MS |
40-60MS |
40-60MS |
Built-in charging |
20-200MA |
20-200MA |
20-200MA |
20-200MA |
20-200MA |
Number of EQ segments |
5/20 segment (DSP algorithm) |
5/20 segment (DSP algorithm) |
5/20 segment (DSP algorithm) |
5/20 segment (DSP algorithm) |
5/20 segment (DSP algorithm) |
BK3288 application scenarios:
AI Smart |
AI smart (Baidu, Amazon, Tuya, Tianmao) |
Support |
Support |
AI translation |
Support |
Support |
|
APP, BLE, SPP customization |
Support |
Support |
|
Wake + Noise Cancellation |
Local far-field wake-up + noise reduction recognition |
2MIC |
2-4MIC |
Local far-field s wake-up + smart |
2MIC |
2-4MIC |
|
3288+7251 |
2MIC |
2-4MIC |
|
Sound system |
High power audio |
High performance DAC/ADC |
High performance DAC/ADC |
SOUNDBAR |
I2S+SPDIF |
AUX+I2S+SPDIF |
|
Smart Bluetooth speaker |
|
|
|
Acoustic system |
Hearing aid system |
|
|
Teleconferencing system |
2MIC |
2-4MIC |
|
Headphones |
TWS+ENC |
1-2MIC |
1-2MIC |
TWS+ANC |
FF/FF+FB |
FF/FF+FB |
|
TWS+ENC+ANC |
1MIC/FF/FF+FB |
1MIC/FF/FF+FB |
|
Wearable ANC headphones |
|
1MIC/FF/FF+FB |
|
TWS+far-field wake-up+AI+ANC |
1MIC/FF/FF+FB |
1MIC/FF/FF+FB |