Date: Mon, 20 Apr 2015 19:15:50 -0700 From: David Wolfskill <david@catwhisker.org> To: multimedia@freebsd.org Subject: Re: Sound OK using built-in speakers, but loud "static" with headphones Message-ID: <20150421021550.GD1223@albert.catwhisker.org> In-Reply-To: <20150416173126.GG36163@albert.catwhisker.org> References: <20150416173126.GG36163@albert.catwhisker.org>
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--DvpQYQy10PodzGf7 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Apr 16, 2015 at 10:31:26AM -0700, David Wolfskill wrote: > This is on a fairly new laptop (ref. > <https://wiki.freebsd.org/Laptops/Dell_Precision_M4800>, so there is > some probability that there's an electrical or mechanical issue with the > hardware... but I'd like to eliminate other possibilities before losing > the ability to use the machine for several days. > ... I raised this issue on the Dell support forum; see <http://en.community.dell.com/support-forums/laptop/f/3517/t/19628711>; for details if you're so inclined. As that sequence illustrates, I tested using the vendor-supplied MS environment, which was able to produce tones in the headphones, but without the loud hissing/static noise. So... what might I do to help fix this? I'm happy to test changes/hacks to code, but I'll need a clue as to where to hack.... Thaanks! Peace, david --=20 David H. Wolfskill david@catwhisker.org Those who murder in the name of God or prophet are blasphemous cowards. See http://www.catwhisker.org/~david/publickey.gpg for my public key. --DvpQYQy10PodzGf7 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQJ8BAEBCgBmBQJVNbLWXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXQ4RThEMDY4QTIxMjc1MDZFRDIzODYzRTc4 QTY3RjlDOERFRjQxOTNCAAoJEIpn+cje9Bk7JG4P/RJCnc1vijXQr9zb5e/EEOi4 PUeckxv0KQqE/No/BrNXX8fZPt9najRZB61wsZkIFl6U7t4WhpyYi52UqswV6ZWf O9UXO/unMcOBD1F0jFkEuBn9y8kK/ROXm70tcMrQy/zlIpkrVUthzICnVmvUMAww POQnsqDwh9JoZV8nojNmoSvOCrFeXiuYomu0+E4PhJLlfICb5suipG+Ux4cCcVqa kQh4lxKV8zdkRG3RND3VhkKrSTkfJvUdr4VyXl6aZQ8YjAZJJkkt6ExpPUn7B5g7 HNcO1spRRhPvurqADew9Tg2Ne5cF74QVU6LjN3+TWGsDX8P7sGc02Ih5YIC63b3A hPwRXudQULZaeGH8OH21z34J9Qzg58qcXu/edZbn9VTDTPlMfkTqekrrTAvLMhVV iOAsZVkgphOYMd/3er5AUQczHxQz2zEo3T2gktO/OSx6+Xk4AmPBX9SwhsnTXry3 f3jiSBESljfwjzMqVZZgzH2IXgA6RCbZlDNY3rwnp9d8M3py+0yoEa/6ULlOuokP k4Ke4U28Sad1URoxHIq5fQfSGE/0XG27cJMKNhpYew+3Ic3yl4mhJMu9QBpf386F Z0ek206UBTbiMh2VJ8BNnaWNxdAmBA9XiLzC8XObKqGUMWQcHhz4mRA900qskoBe UBM/Uvk+9zVNK3QXHZmq =8RQV -----END PGP SIGNATURE----- --DvpQYQy10PodzGf7--
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