On Wed, 2006-06-28 at 14:18 -0500, Andrew Lester wrote: > Hi, this is my first time on a mailing list, so I hope I'm doing it > right. I am new to Linux, coming from windows. I need a low-latency > sound interface with no resampling (ex: no software volume control, no > software EQ, etc...), just like ASIO in windows. Somebody told me to > look into JACK. > > I have an ESI Juli@ sound card, which seems to be supported under Linux. > Using ALSA and xmms I can easily hear the sound quality is inferior to > that of the sound quality in windows using winamp with an ASIO output > plugin (and the official esi drivers). All my music is ripped in FLAC > and I am using the Sennheiser HD650 headphones with a WooAudio 3 amp. I > have jack installed, as well as jackd, and the jack output plugin for > xmms. I have gotten basic sound out of jack by entering "jackd -d alsa" > into the konsole and selecting the "jack audio connection kit" as the > sound system and using the jack output plugin for xmms. > JACK defaults to 48000Hz, and most people's music collection is 44100Hz. Check what sample rate JACK is running at. > However I have a feeling it is not set up properly for low-latency > output with no resampling because it sounds exactly the same as ALSA, > and the software volume control in xmms and in the kmix is still > working. After doing some searching on google I have found that versions > of JACK 0.80 and under supported ASIO, but it was removed in later > versions. Do you know how I would need to set it up to get the > functionality I am looking for? And are there any newer music players > that support FLAC and JACK output? The kmix volume control is not software - it's the hardware volume control of your card. Try "aplay -D hw:0,0 file.wav". Does it still sound worse than Windows? If so it could be a driver issue. JACK's "ASIO mode" has nothing to do with this problem. Lee
