It is now common for portable equipment to include some sort of stereo audio playback circuitry, perhaps for MP3 or Web radio applications. Many specialist ICs are available to use as building blocks ...
You might have noticed that your iPhone shows a useful playback controls widget on the lock screen whenever you're listening to audio. It's multipurpose, too, since you'll see it whether you're ...
AVC – The featured circuit controls a volume line automatically. It delivers an output voltage of approximately 4 volts peak to peak. This voltage remains relatively constant by input voltages ranging ...
It’s hard to put a good button on wireless headphones. Like I’ve said before, wireless headphones need to include audio playback controls, and they need to do so in a way that makes it easy for ...