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Groups > comp.arch.embedded > #30050
| From | John Speth <johnspeth@yahoo.com> |
|---|---|
| Newsgroups | comp.arch.embedded |
| Subject | Re: Speakers |
| Date | 2020-11-05 18:47 -0800 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <ro2dfj$1640$1@gioia.aioe.org> (permalink) |
| References | <6dc8c01f-2f7d-4dc1-a315-d25a2372c6c5o@googlegroups.com> <87d00r1kh5.fsf@nightsong.com> |
On 11/5/2020 2:56 PM, Paul Rubin wrote: > Rick C <gnuarm.deletethisbit@gmail.com> writes: >> But they have great speakers in cell phones and I know they squeeze on >> the buckaroonies big time. > > The transducer is pretty small but there is typically a cavity around it > in the phone, with a tuned port (= judiciously placed and sized hole in > the phone). 90db at 250hz is asking a lot from a phone though. You > might be "hearing" undertones of the frequencies that they do reproduce. > If you have a serious requirement then better use an audio spectrum > analyzer and calibrated mic. Also, I believe that phone speakers are also tuned with the appropriate DSP to make them sound better than they would otherwise sound.
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Speakers Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-05 14:25 -0800
Re: Speakers Paul Rubin <no.email@nospam.invalid> - 2020-11-05 14:56 -0800
Re: Speakers John Speth <johnspeth@yahoo.com> - 2020-11-05 18:47 -0800
Re: Speakers Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-05 21:15 -0800
Re: Speakers Paul Rubin <no.email@nospam.invalid> - 2020-11-05 21:57 -0800
Re: Speakers Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-06 08:08 -0800
Re: Speakers Paul Rubin <no.email@nospam.invalid> - 2020-11-06 14:59 -0800
Re: Speakers Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-06 17:48 -0800
Re: Speakers Paul Rubin <no.email@nospam.invalid> - 2020-11-07 01:02 -0800
Re: Speakers upsidedown@downunder.com - 2020-11-07 06:47 +0200
Re: Speakers Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-06 21:23 -0800
Re: Speakers Michael Kellett <mk@mkesc.co.uk> - 2020-11-07 13:12 +0000
Re: Speakers Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-07 08:05 -0800
Re: Speakers Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-07 18:35 -0800
Re: Speakers Paul Rubin <no.email@nospam.invalid> - 2020-11-07 21:57 -0800
Re: Speakers "Mat Nieuwenhoven" <mnieuw@zap.a2000.nl> - 2020-11-08 10:03 +0100
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