From owner-freebsd-multimedia@FreeBSD.ORG Tue Apr 21 02:15:53 2015 Return-Path: Delivered-To: multimedia@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 0539FAE5 for ; Tue, 21 Apr 2015 02:15:53 +0000 (UTC) Received: from albert.catwhisker.org (mx.catwhisker.org [198.144.209.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id A91DA951 for ; Tue, 21 Apr 2015 02:15:51 +0000 (UTC) Received: from albert.catwhisker.org (localhost [127.0.0.1]) by albert.catwhisker.org (8.14.9/8.14.9) with ESMTP id t3L2FoRo015686 for ; Mon, 20 Apr 2015 19:15:50 -0700 (PDT) (envelope-from david@albert.catwhisker.org) Received: (from david@localhost) by albert.catwhisker.org (8.14.9/8.14.9/Submit) id t3L2FoBP015685 for multimedia@freebsd.org; Mon, 20 Apr 2015 19:15:50 -0700 (PDT) (envelope-from david) Date: Mon, 20 Apr 2015 19:15:50 -0700 From: David Wolfskill To: multimedia@freebsd.org Subject: Re: Sound OK using built-in speakers, but loud "static" with headphones Message-ID: <20150421021550.GD1223@albert.catwhisker.org> Reply-To: multimedia@freebsd.org.me References: <20150416173126.GG36163@albert.catwhisker.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="DvpQYQy10PodzGf7" Content-Disposition: inline In-Reply-To: <20150416173126.GG36163@albert.catwhisker.org> User-Agent: Mutt/1.5.23 (2014-03-12) X-BeenThere: freebsd-multimedia@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Multimedia discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 21 Apr 2015 02:15:53 -0000 --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. > , 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 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--