From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alien Subject: Re: Re: au88x0_synth Date: Wed, 30 Mar 2005 10:13:23 +0200 Message-ID: <200503301013.30400.alien999999999@users.sourceforge.net> References: <423CCDAC.80401@netvigator.com> <424A5D7D.2070400@netvigator.com> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart2963316.PSjMGm1BoU"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <424A5D7D.2070400@netvigator.com> Sender: alsa-devel-admin@lists.sourceforge.net Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: alsa-devel@lists.sourceforge.net Cc: Raymond List-Id: alsa-devel@alsa-project.org --nextPart2963316.PSjMGm1BoU Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline while you guys are working on that driver, is there anyone that has a 64bit= =20 setup? if not, i'd like to test out your driver in 64bit. i still have a=20 number of issues with it (my card is an au8810). i cannot regularly check it, cause i only have one PC and it's a server, bu= t=20 at nighttimes, i guess i can test it out a little. good luck, AL13N Op woensdag 30 maart 2005 10:04, schreef Raymond: > Takashi Iwai wrote: > > Raymond wrote: > >>>>Lee Revell wrote: > >>>>Looks like this chipset has a wavetable synth. And I noticed some > >>>>references to a driver on the openvortex list. Would it be possible > >>>>for ALSA to support it? > >>> > >>>Manuel Jander wrote: > >>> Of course, but there are some unresolved hardware issues. The > >>> WaveTable helper hardware is very similar to the trident > >>> Wavetable helper hardware. It does not interpret MIDI directly, but > >>> at least does some effect processing in hardware. > >> > >>http://sourceforge.net/mailarchive/message.php?msg_id=3D6004190 > >> > >>1) Is the Trident Wavetable working ? > > > > Very limited. It's no proper "MIDI" wavetable implementation. > > IIRC, only a module player worked with trident driver. > > http://www.alsa-project.org/~frank/alsa-sequencer/node12.html > > The midi port only need to support 16 voices, the 16 sample rate > convertors are just enough to produce 16 voices using the mono sound > samples in the soundfonts au30gm.arl > > http://www.alsa-project.org/alsa-doc/alsa-lib/seq.html > > Please correct me if I am wrong, there seem to be no documentation on > those ALSA sequencer functions such as snd_seq_create_kernel_client,... > > What will be needed for a proper "MIDI" wavetable implementation ? > > Manuel Jander wrote: > > Raymond wrote: > >>The "vortexcontrol" use alsa-lib API to play the audio > >>samples inside au30gm.arl through hw:0,0. > > > > Thats because its just for hearing a sample. Its not even close to > > what has to be done for a Wavetable implementation. The higher level > > arl soundbank interpreter is very valuable, but on the hardware side > > we are missing the WT engine support. > > In snd_vortex_playback_hw_adb, .rates =3D SNDRV_PCM_RATE_CONTINUOUS > > 1) Can the sample rate convertor be used to perform pitch shift ? > > 2) Can panning be done by changing the mixin-mixout gain for left/right > channels of each voice ? > > The current alsa driver do not even use the timer VORTEX_SMP_TIME or > timer interrupt VORTEX_SMP_TIMER > > 3) Is there any way to find out the resolution of the timer ? > > > > > > > > > > > > > > > > > > > > ------------------------------------------------------- > SF email is sponsored by - The IT Product Guide > Read honest & candid reviews on hundreds of IT Products from real users. > Discover which products truly live up to the hype. Start reading now. > http://ads.osdn.com/?ad_id=3D6595&alloc_id=3D14396&op=3Dclick > _______________________________________________ > Alsa-devel mailing list > Alsa-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/alsa-devel --nextPart2963316.PSjMGm1BoU Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQBCSl+quBWKXETrtdcRAuiZAJ46T08+EX+ZurHMaB0aWeVfc5NAhgCdFMMS OhAi2g9hhd8YOk7Fe47znwg= =2rVl -----END PGP SIGNATURE----- --nextPart2963316.PSjMGm1BoU-- ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click