From owner-freebsd-usb@FreeBSD.ORG Sat Oct 19 06:34:43 2013 Return-Path: Delivered-To: freebsd-usb@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id CD2C169C for ; Sat, 19 Oct 2013 06:34:43 +0000 (UTC) (envelope-from hps@bitfrost.no) Received: from mta.bitpro.no (mta.bitpro.no [92.42.64.202]) by mx1.freebsd.org (Postfix) with ESMTP id 87E0E2934 for ; Sat, 19 Oct 2013 06:34:43 +0000 (UTC) Received: from mail.lockless.no (mail.lockless.no [46.29.221.38]) by mta.bitpro.no (Postfix) with ESMTP id 99BF67A2C9; Sat, 19 Oct 2013 08:34:35 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by mail.lockless.no (Postfix) with ESMTP id 4F93B8F689D; Sat, 19 Oct 2013 08:35:01 +0200 (CEST) X-Virus-Scanned: by amavisd-new-2.6.4 (20090625) (Debian) at lockless.no Received: from mail.lockless.no ([127.0.0.1]) by localhost (mail.lockless.no [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1jf+ILcVfsX8; Sat, 19 Oct 2013 08:35:00 +0200 (CEST) Received: from laptop015.home.selasky.org (cm-176.74.213.204.customer.telag.net [176.74.213.204]) by mail.lockless.no (Postfix) with ESMTPSA id D8D298F689B; Sat, 19 Oct 2013 08:34:59 +0200 (CEST) Message-ID: <52622842.6030105@bitfrost.no> Date: Sat, 19 Oct 2013 08:35:46 +0200 From: Hans Petter Selasky Organization: Bitfrost A/S User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:17.0) Gecko/20130522 Thunderbird/17.0.6 MIME-Version: 1.0 To: Taner Subject: Re: Scratchy playback issue with USB CLASS2 audio device References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-usb@freebsd.org X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 19 Oct 2013 06:34:43 -0000 On 10/19/13 07:46, Taner wrote: > uaudio_chan_play_sync_callback: Value = 0x0005fff8 > uaudio_chan_play_sync_callback: Comparing 47998 < 48000 > uaudio_chan_play_sync_callback: Value = 0x0005fff6 > uaudio_chan_play_sync_callback: Comparing 47998 < 48000 Hi, The normal for adaptive rates is that this value should tilt just above or below the 48000 or whatever is there. Else something is wrong. Did you try to record while playing? Also, are you running -stable? Could also check the amount of samples sent by using "usbdump -i usbusX -f Y -s 65536 -vvv" --HPS