From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaroslav Kysela Date: Sat, 30 Oct 1999 18:05:27 +0000 Subject: Re: Sync Issues (was Re: External MIDI Sync using OSS/Free) Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sound@vger.kernel.org On Sat, 30 Oct 1999, Billy Biggs wrote: > On Sat, 30 Oct 1999, Jaroslav Kysela wrote: > > > On Fri, 29 Oct 1999, Benno Senoner wrote: > > > > > > For MIDI I'm using a Roland MPU-IPC-T card. MPU-401. > > > > > > Jaroslav do you know if there are similar problems on this card with > > > too little MIDI TX/RX FIFO size, and/or lack of an IRQ connected to > > > it ? > > > > Yes, the problem is in the MPU-401 hardware specification. This hardware > > haven't the TX interrupt. Every soundcard with the standard MPU-401 > > emulation has this problem. > > What card would you recommend for responsive MIDI then? Or, should I > not care, and just make sure I code to be as low-latency as possible? Chipsets with full IRQ based RX & TX: Trident 4DWave DX or NX Creative Ensoniq AudioPCI (ES1370,ES1371,ES1373) Gravis UltraSound Jaroslav ----- Jaroslav Kysela SuSE Linux http://www.suse.com ALSA project http://www.alsa-project.org