This circuit detects the presence of audio (voice) on the output of a scanner. If the scanner stops on a `dead carrie
r` or noise, the circuit mutes the speaker to avoid annoying noise. Ul amplifies speech and drives rectifier D1/D2 and switch Ql. Comparator U3 drives speaker switch Ql and indicator LED1. Q2 completes the speaker path to ground. U2 is an audio amplifier to drive the speaker. R3 is a volume control. PL1 connects to the scanner speaker or to the headphone jack.
BetaNews Clicking "Filters" displays the filter pane, where 50+ video and are waiting: simple color/ ightness/ contrast tweaks, fade ins and outs, transitions, chroma key, HTML overlays, balance, band pass, downmix, normalize, pan, reverb <
Music Ally (blog) The app is freemium: people pay for it via in-app purchases – £1.79 to upgrade from four to eight tracks, for example, with soon to be added for around £0.79. Competitors include online collaboration platf
GearNuke Uncharted 4 has some unlockable render modes including a cel-shared filter and various . These can be unlocked by using points that are acquired by finding the collectibles in the game. The following render modes and can be
The Creators Project (blog) It's this app that allows you to change the quality of the sound around you, either by adjusting the EQ to your specifics or using the pre-set , which are designed for different genres of music (“Dirty South"
I fell in love with Dynamite's video face masks and which allow you to craft uniquely personal stories and seamlessly share them across social channels. I recorded a video message as Amy Schumer, then Nic Cage with Cecil the Lion (think
PSFK (blog) As part of Deloitte Digital's SXSW Interplay Lab, visitors to the festival can enter a musical installation that pushes the envelope of sound experimentation. For starters, the ARC features five newly-invented musical instruments
The Verge In return, Here-equipped Coachella-goers will be able to pop in the smart earbuds and use that have been tuned to the acoustics of each stage. "So you could imagine you go to the Sahara Tent, you say 'I'm in the middle of the Sahar
International Business Times UK Alfa Genus V2 review: Quality and customisability for a reasonable priceThe allow you to slightly tweak what might otherwise be a flat experience (which in itself is not bad, so thankfully neutral is inc
Macworld Smule's back with another music-themed iOS app. The company behind App Store hits like I Am T-Pain, Glee Karaoke, and Magic Keyboard on Thursday released Strum. Though it's an easy analogy to fall victim too, the easiest way to d