Works pretty awesome!!! Can be a life-saver app!
Krisp.ai – Mute background noise during your calls
81–90 of 109 posts
Re: Krisp.ai – Mute background noise during your calls
#82It’s great for taking conference calls from the coffee shop
Re: Krisp.ai – Mute background noise during your calls
#83Earlier quoted context omitted.
iPhones already have this feature if you hold your phone up to your ear. There is a microphone in the back of the phone near the camera that phase cancels out background noise from the input from the front mic.
They need this for the AirPods then. Everyone I call while outside in NYC says the microphone is super sensitive and picks up all the surrounding noise.
They just filled that patent. 5 mics on the device for beam for separation
Re: Krisp.ai – Mute background noise during your calls
#84Isn't the real solution having two or more microphones and using the multiple signals to locate and isolate the desired sound?
Yes, that's how phone microphones for example work. To remove static background noice would just need to get a silent sample and reverse out the polarity of the static noise from the audio signal. It can be done real-time or in post production. To sum out random background sounds you would need an omnidirectional mic that picks up everything. Then you'd need a close range shotgun type mic from which you subtract all…
*noise
Re: Krisp.ai – Mute background noise during your calls
#85Earlier quoted context omitted.
Further, this is probably their goal. In fact, I wouldn't be surprised if Apple bought something like this as system-wide background noise canceling would be a fantastic OS feature.
iPhones already have this feature if you hold your phone up to your ear. There is a microphone in the back of the phone near the camera that phase cancels out background noise from the input from the front mic.
they also recently added 4 (or 5?) mics on the new iPad Pro so that it could do facetime calls while cancelling out the feedback.
Wouldn’t be surprised if a software update makes it possible to use all of those mics for some very good ambient noise cancellation during face time calls
Re: Krisp.ai – Mute background noise during your calls
#86Earlier quoted context omitted.
Yes, that's how phone microphones for example work. To remove static background noice would just need to get a silent sample and reverse out the polarity of the static noise from the audio signal. It can be done real-time or in post production. To sum out random background sounds you would need an omnidirectional mic that picks up everything. Then you'd need a close range shotgun type mic from which you subtract all…
What I am thinking of is more is using signal phase differences on spatially separated similar microphones to isolate the desired source and filter the rest. There is probably a name for this I wouldn't remember. You wouldn't need a specific directional mic and could instead build a synthetic virtual microphone with whatever directional properties you wanted (including distance and not just directional selection)
Beamforming?
Re: Krisp.ai – Mute background noise during your calls
#87Earlier quoted context omitted.
As requested: This call typically has decent audio quality, and as it's a stand-up / status call people tend to speak one at a time. No-one today had much in the way of background noise, so I'm not sure there was a lot of opportunity for the app to show off. That said, I switched the Krisp speaker mode on and off repeatedly while each person who was talking. 1. When just one person was talking Krisp didn't seem to ev…
Such feedback from users is priceless. Thanks for it. Krisp is still in beta and we keep experimenting with different DNN models. For example we have a DNN model which maximally preserves multiple voices while removing noise. It's not shipped yet. Re #2, one thing we noticed is that Conferencing apps themselves will distort the voice when multiple voices are overlapping. Especially when there is also noise. There is…
"Windows support is coming soon. Please leave your email."
And nowhere to "leave my email".
Re: Krisp.ai – Mute background noise during your calls
#88It would be nice if I could upload audio and have it processed. I have a lot of videos that were captured on an iphone or something and would love a tool to help clean up the audio track before posting.
Re: Krisp.ai – Mute background noise during your calls
#89It would be nice if I could upload audio and have it processed. I have a lot of videos that were captured on an iphone or something and would love a tool to help clean up the audio track before posting.
There is noise reduction(w/ templates) in Movie & it does a decent job. You can also try out audacity & gate noise below a certain threshold for crisper audio.
Re: Krisp.ai – Mute background noise during your calls
#90Earlier quoted context omitted.
Further, this is probably their goal. In fact, I wouldn't be surprised if Apple bought something like this as system-wide background noise canceling would be a fantastic OS feature.
iPhones already have this feature if you hold your phone up to your ear. There is a microphone in the back of the phone near the camera that phase cancels out background noise from the input from the front mic.
Maybe they can do semi-dense audio cancelling with some ML model for cancellation on a Mac as well.