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Muting Circuits For Audio
https://www.sound-au.com/articles/muting.html
With an LM3886 the mute pin is connected to the -ve supply (usually via a resistor) to un-mute the output, but with the TDA7293 the mute pin is connected to a +ve voltage of 5V or more. There are many others, including Class-D (switching) amplifiers that provide a mute and/ or standby function.
How to Mute Audio and Adjust Volume During a Video Call in ...
https://www.agora.io/en/blog/how-to-mute-audio-and-adjust-volume-during-a-video-call-in-android-using-the-agora-sdk/
Agora has many features that enhance video call quality and convenience. Muting audio and adjusting the video call’s volume are features that are necessary for any video call app. In this tutorial, you will learn how to mute Agora video call audio and adjust the video call’s volume in Android using the Agora SDK. Prerequisites and requirements
ON/OFF Touch Controlled Mute Switch with 555 IC
https://www.electroschematics.com/touch-control-mute-switch/
Here is another simple circuit to mute the volume of Audio devices through simple touch. It exploits the action of the flip-flops in the timer IC 555 to reduce the volume of the Audio amplifier. IC NE555 is designed in the toggle mode. Its lower and upper comparator inputs are connected to the touch plates which can be membrane switches or two pieces of conducting …
Home :: ic audio :: Voice Alarm EN54-24 :: 100V Audio …
https://www.ic-audio.com/
ic audio - the voice alarm experts. Certified manufacturer with more than 200 EN 54-24 certified loudspeakers in our catalog. Innovative products "Made in Germany", individual OEM solutions and custom-made designs are developed in the company …
LM4832 Digitally Controlled Tone and Volume Circuit with ...
https://doc.lagout.org/electronics/doc/ic_various/LM4832.PDF
AM Mute Attenuation f = 1 kHz, VIN = 1V −75 dB XTALK Cross Talk PO = 200 mW, RL =8Ω, All controls at 0 dB setting, f=1kHz Left to Right −85 dB Right to Left −72 dB MICROPHONE PREAMP AND VOLUME CONTROL AV Preamp Gain 0 dB Gain 0 −1, 1 dB +20 dB Gain 20 19, 21 dB +30 dB Gain 30 29, 31 dB AR Attenuator Range Gain at +18 dB Setting 20 dB (max)
A list of Simple audio circuits and amplifiers for DIY(Do ...
https://www.circuitstoday.com/simple-audio-circuits
150 Watt amplifier circuit – This circuit is the most popular amplifier we have ever published. …
Volume management | Android Open Source Project
https://source.android.com/devices/automotive/audio/volume-management
Volume groups manage the volumes for a collection of devices within an audio zone. For each volume group the volume can be controlled independently, and the resulting gains are configured on the associated devices to be applied by the vehicle's amplifier. Volume settings are persisted for the user, and are loaded when the user signs in.
MAX5486 Stereo Volume Control with Pushbutton …
https://www.maximintegrated.com/en/products/analog/data-converters/digital-potentiometers/MAX5486.html
The mute input allows a single pushbutton to change between volume control and the -90dB (typ) mute setting. The mode input toggles between volume and balance control. The click-and-pop suppression feature minimizes the audible noise generated by wiper transitions.
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