Re: Little OT : Software for Active Noise Cancelling or Reduction

2009-08-07 Thread Tzafrir Cohen
On Thu, Aug 06, 2009 at 09:39:18AM -0500, John Hasler wrote: > Mark writes: > > Is it technically not feasable, meaning that a room is too large to do > > noise cancelling in, or not feasable from the linux software > > prespective? > > Noise-canceling headphones only cancel noise right at the hea

Re: Little OT : Software for Active Noise Cancelling or Reduction

2009-08-07 Thread Micha Feigin
On Thu, 6 Aug 2009 06:08:50 -0400 Mark Neidorff wrote: > On Wednesday 05 August 2009 04:42 pm, John Hasler wrote: > > M writes: > > > i was considering to buy headphones with Active Noise Cancelling / > > > Reduction. > > > > > > But before spend money, i'd like to know if there's a software that

Re: Little OT : Software for Active Noise Cancelling or Reduction

2009-08-06 Thread John Hasler
Mark writes: > Is it technically not feasable, meaning that a room is too large to do > noise cancelling in, or not feasable from the linux software > prespective? Noise-canceling headphones only cancel noise right at the headphones so the size of the room is not relevant. Even so, dedicated DSP

Re: Little OT : Software for Active Noise Cancelling or Reduction

2009-08-06 Thread John Haggerty
I don't know if my input will help in any way but I do remember that there are products rather to *play* white noise or "pink noise" but that's nothing more than playing an mp3. Supposedly "helps you concentrate" if we take my flaky ex-coworker at his word at the time. it's an interesting idea but

Re: Little OT : Software for Active Noise Cancelling or Reduction

2009-08-06 Thread Mirco Piccin
Hi, i find this thread: http://forum.audacityteam.org/viewtopic.php?f=28&t=442 It's quite old, but it could be a start point. The aim is to create an anti-phase in realtime. This job is done by a don't-know small (and suppose poor) chip into some headphones that provide noise cancelling/reduction

Re: Little OT : Software for Active Noise Cancelling or Reduction

2009-08-06 Thread Jeff Soules
On Thu, Aug 6, 2009 at 6:08 AM, Mark Neidorff wrote: > Is it technically not feasable, meaning that a room is too large to do noise > cancelling in, or not feasable from the linux software prespective? The former, I'd think. For that to work on the room level, you'd need to have sensors surroundi

Re: Little OT : Software for Active Noise Cancelling or Reduction

2009-08-06 Thread Mark Neidorff
On Wednesday 05 August 2009 04:42 pm, John Hasler wrote: > M writes: > > i was considering to buy headphones with Active Noise Cancelling / > > Reduction. > > > > But before spend money, i'd like to know if there's a software that > > could do the same job (for free). > > No. Not feasible. > -- >

Re: Little OT : Software for Active Noise Cancelling or Reduction

2009-08-05 Thread John Hasler
M writes: > i was considering to buy headphones with Active Noise Cancelling / Reduction. > But before spend money, i'd like to know if there's a software that > could do the same job (for free). No. Not feasible. -- John Hasler -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.or