车载收音机fm soft mutetunemute level 是什么意思

Mute,最全面的Mute文章 - 电子工程世界网
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an unbalanced mute circuit audio mixing channels...
smooth transition fadein/out mute and a power conserving standby mode whichcan be controlled by external logic....
detect and outputmute pins which may be tied together to mute the output whenno signal is present. A programmable mute reference is providedto mute the output at a selectable level of signal...
internal mute circuit and pre-set gain resistorsprovide for a very economical design solution.Output power specifications at both 20V and 24V suppliesand low external component count offer high &#118alue to...
The LM1972 is a digitally controlled 2-channel 78dB audioattenuator fabricated on a CMOS process. Each channel hasattenuation steps of 0.5dB from 0dB–47.5dB, 1.0dB stepsfrom 48dB–78dB, with a mute...
steps from 48dB– 76dB,with a mute function attenuating 104dB. Its logarithmic attenuationcurve can be customized through software to fitthe desired application....
mute and gain control, and side-tone path and gain control. A wide clock frequency range allows for enhanced voice quality tuning. By using the serial interface, the device allows control of gain, mute...
) AVC circuit. 4) Beep output function 5) Mute circuit.FAbsolute maximum ratings (Ta = 25_C)FRecommended operating conditions (Ta = 25_C)884Audio ICsFBlock diagramBAAudio...
is achieved by active RC-filters. De-tuning related to the IF and too weak input signal is suppressed by the mute circuit.SC1088FEATURES* Equipped with all stages of a mono receiver from antenna to...
restoration can be bypassedfor low data rate applications. The equalizer is flexible in allowingeither single-ended or differential input drive.Additional features include a mute pin which can be used...
Mute相关帖子
; && && && &&&//& &USAGE (Mute)
& & 0x95, 0x01,& && && && && && &&nbsp...
纯净水屏做音箱,声音听着可能会柔和点 谢谢分享。
PAM8403功能强劲,属于D级功放
工作范围 DC3.0-5.5V
有外置的 MUTE, 和 Shutdown,不带SPI或I2C控制
顺便上几个 有点用的图。
[quote][size=2][url=forum.php?mod=redirect&goto=findpost&pid=2062120&ptid=498997...
发现静音选项“Mute”并没有选中;而且“output volume”死活在最左端,并且不能调动,“play sound through”也没有可选项。所以我理所当然的把播放音乐时没有声音的原因锁定到了这里。于是乎开始了我一连四天的百度和谷歌,结果都是无用功。最后还是公司大神告诉我一下这个办法:在命令行输入:vim /etc/init.d/itop-set打开之后会看到里面有这么四条命令...
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1. 修改上电同意界面“警告 为了您的安全,车辆行驶中请不要进行操作!”时,屏幕瞬间竖条花屏闪一下;
2. 加入IPOD插入时,MUTE 蓝牙声音...
,VOL-,Repeat,
CLK,MUTE,FOLDER+,FOLDER-,Power,0~9;
34 音频接口:AUX In输入, FM输入,MIC in; U盘,SD/MMC card。?
35 充电接口:USB(mini A)?
36 存储:SPI Nor flash作为程序存储器,程序可升级;?
四.waves Maxx DSP音效处理(基于台湾Nuvoton新唐DSP芯片...
立体声收音机接收器芯片,TEA5767芯片必须要由单片机通过控制总线向芯片内的寄存器写入控制字才能正常工作。TEA5767的控制总线有I2C和3-wire两种,引脚BUSMODE为低时选用I2C总线,引脚BUSMODE为高时选用3-wire总线。宝马开发板用的是I2C总线方式。寄存器说明 BIT7:MUTE 若MUTE=1 左右声道静音;若 MUTE=0 左右声道非静音BIT6:SM 搜索模式;若SM...
operational.
In the range between 1.5 V and VCC - 1.5 V the amplifier
is in mute condition. The mute condition is useful to
suppress plop noise at the output, caused by charging of
the input...
enables mute mode
 HAL_MultiProcessor_DisableMuteMode() API disables mute mode
 HAL_MultiProcessor_EnterMuteMode() API enters mute mode
 HAL_HalfDuplex_EnableTransmitter...
DLNA(DMR/DMC/DMP)和Airplay,配置GPIO、USB、I2S接口,音频性噪比高达95dB,主从模式可切换;支持制式:IEEE 802.11 b/g/n 1T1R;传输数率:150Mbps;
3.功放采用ST公司的STA369BWS 芯片;另加STC15W408 MCU控制;
4.按键控制:WPS,V+,V-,MUTE;
5.供电+18V
6.可以根据客户的功能要求...
Soundbar平板电视家庭影院蓝牙音箱方案
1..采用CSR8670+CSR57E68蓝牙模块;
2.蓝牙方案支持高中低音频信号分离,通过主板(CSR8670 蓝牙4.0模块)把低音部分无线中继到从板(CSR57E68模块)低音炮音箱,从而实际2.1声道音箱。
3.功放采用TI TPA3110 2个,品牌国际功放厂家;
4.控制按键:ON/OFF,V-,V+,EQ,MODLE,MUTE...
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