Hi, I have bought a Maya 44 USB, with 4 output and 4 input channels. http://www.esi-audio.com/products/maya44usb/
The soundcard works fine in playback, but in recording has some problems, specificly there is no way to control the volume of the recording on inputs. It seems to be default setted to 50%. Alsamixer, in playback section shows 3 controls, "speaker", "line" and "line1". But, if I choose capture, it shows "This sound device does not have any capture controls". It seems like there are controls, and they work fine, running on Windows. I searched the problem on Google and I found a lot of users with the same problem. The most interesting thread that I found, is one on this mailist, sadly after some messages, user didn't catch up with the conversation: http://mailman.alsa-project.org/pipermail/alsa-devel/2011-November/046242.html I have a hardware mixer connected to 2 inputs of the Maya. If I try to recording with Audacity or any other software, the volume of recording is never greater than -6dB. If I try increase the volume in the mixer to get louder recording, the only thing I get is a completely distorted sound not louder than -6dB, what tells me that Maya inputs have a presetted volume at 50%. Besides, if I increase the volume in the mixer, Audicity's vumeter confirm that it never go further than -6dB. Following the thread that the user left unfinished, here goes the information that I get with my system, to see if could find a solution. leo-ThinkPad leo # aplay -L null Discard all samples (playback) or generate zero samples (capture) pulse PulseAudio Sound Server sysdefault:CARD=MID HDA Intel MID, CX20585 Analog Default Audio Device front:CARD=MID,DEV=0 HDA Intel MID, CX20585 Analog Front speakers surround40:CARD=MID,DEV=0 HDA Intel MID, CX20585 Analog 4.0 Surround output to Front and Rear speakers surround41:CARD=MID,DEV=0 HDA Intel MID, CX20585 Analog 4.1 Surround output to Front, Rear and Subwoofer speakers surround50:CARD=MID,DEV=0 HDA Intel MID, CX20585 Analog 5.0 Surround output to Front, Center and Rear speakers surround51:CARD=MID,DEV=0 HDA Intel MID, CX20585 Analog 5.1 Surround output to Front, Center, Rear and Subwoofer speakers surround71:CARD=MID,DEV=0 HDA Intel MID, CX20585 Analog 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers dmix:CARD=MID,DEV=0 HDA Intel MID, CX20585 Analog Direct sample mixing device dsnoop:CARD=MID,DEV=0 HDA Intel MID, CX20585 Analog Direct sample snooping device hw:CARD=MID,DEV=0 HDA Intel MID, CX20585 Analog Direct hardware device without any conversions plughw:CARD=MID,DEV=0 HDA Intel MID, CX20585 Analog Hardware device with all software conversions hdmi:CARD=NVidia,DEV=0 HDA NVidia, HDMI 0 HDMI Audio Output hdmi:CARD=NVidia,DEV=1 HDA NVidia, HDMI 0 HDMI Audio Output hdmi:CARD=NVidia,DEV=2 HDA NVidia, HDMI 0 HDMI Audio Output hdmi:CARD=NVidia,DEV=3 HDA NVidia, HDMI 0 HDMI Audio Output dmix:CARD=NVidia,DEV=3 HDA NVidia, HDMI 0 Direct sample mixing device dmix:CARD=NVidia,DEV=7 HDA NVidia, HDMI 0 Direct sample mixing device dmix:CARD=NVidia,DEV=8 HDA NVidia, HDMI 0 Direct sample mixing device dmix:CARD=NVidia,DEV=9 HDA NVidia, HDMI 0 Direct sample mixing device dsnoop:CARD=NVidia,DEV=3 HDA NVidia, HDMI 0 Direct sample snooping device dsnoop:CARD=NVidia,DEV=7 HDA NVidia, HDMI 0 Direct sample snooping device dsnoop:CARD=NVidia,DEV=8 HDA NVidia, HDMI 0 Direct sample snooping device dsnoop:CARD=NVidia,DEV=9 HDA NVidia, HDMI 0 Direct sample snooping device hw:CARD=NVidia,DEV=3 HDA NVidia, HDMI 0 Direct hardware device without any conversions hw:CARD=NVidia,DEV=7 HDA NVidia, HDMI 0 Direct hardware device without any conversions hw:CARD=NVidia,DEV=8 HDA NVidia, HDMI 0 Direct hardware device without any conversions hw:CARD=NVidia,DEV=9 HDA NVidia, HDMI 0 Direct hardware device without any conversions plughw:CARD=NVidia,DEV=3 HDA NVidia, HDMI 0 Hardware device with all software conversions plughw:CARD=NVidia,DEV=7 HDA NVidia, HDMI 0 Hardware device with all software conversions plughw:CARD=NVidia,DEV=8 HDA NVidia, HDMI 0 Hardware device with all software conversions plughw:CARD=NVidia,DEV=9 HDA NVidia, HDMI 0 Hardware device with all software conversions sysdefault:CARD=USB MAYA44 USB+, USB Audio Default Audio Device front:CARD=USB,DEV=0 MAYA44 USB+, USB Audio Front speakers surround40:CARD=USB,DEV=0 MAYA44 USB+, USB Audio 4.0 Surround output to Front and Rear speakers surround41:CARD=USB,DEV=0 MAYA44 USB+, USB Audio 4.1 Surround output to Front, Rear and Subwoofer speakers surround50:CARD=USB,DEV=0 MAYA44 USB+, USB Audio 5.0 Surround output to Front, Center and Rear speakers surround51:CARD=USB,DEV=0 MAYA44 USB+, USB Audio 5.1 Surround output to Front, Center, Rear and Subwoofer speakers surround71:CARD=USB,DEV=0 MAYA44 USB+, USB Audio 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers iec958:CARD=USB,DEV=0 MAYA44 USB+, USB Audio IEC958 (S/PDIF) Digital Audio Output dmix:CARD=USB,DEV=0 MAYA44 USB+, USB Audio Direct sample mixing device dsnoop:CARD=USB,DEV=0 MAYA44 USB+, USB Audio Direct sample snooping device hw:CARD=USB,DEV=0 MAYA44 USB+, USB Audio Direct hardware device without any conversions plughw:CARD=USB,DEV=0 MAYA44 USB+, USB Audio Hardware device with all software conversions leo-ThinkPad leo # lsmod | grep snd snd_hda_codec_hdmi 41684 4 snd_usb_audio 155972 3 snd_hda_codec_conexant 57181 1 snd_usbmidi_lib 29576 1 snd_usb_audio snd_hda_intel 57183 2 snd_hda_codec 194881 3 snd_hda_codec_hdmi,snd_hda_ codec_conexant,snd_hda_intel snd_hwdep 13613 2 snd_usb_audio,snd_hda_codec snd_pcm 107140 6 snd_usb_audio,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel snd_page_alloc 18798 2 snd_pcm,snd_hda_intel snd_seq_midi 13324 0 snd_seq_midi_event 14899 1 snd_seq_midi snd_rawmidi 30465 2 snd_usbmidi_lib,snd_seq_midi snd_seq 66061 2 snd_seq_midi_event,snd_seq_midi snd_seq_device 14497 3 snd_seq,snd_rawmidi,snd_seq_midi snd_timer 30038 2 snd_pcm,snd_seq snd 73802 22 snd_usb_audio,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_pcm,snd_seq,snd_rawmidi,snd_usbmidi_lib,snd_hda_codec,snd_hda_intel,thinkpad_acpi,snd_seq_device,snd_seq_midi soundcore 12680 1 snd leo-ThinkPad leo # amixer contents numid=2,iface=MIXER,name='Line Playback Switch' ; type=BOOLEAN,access=rw------,values=1 : values=off numid=4,iface=MIXER,name='Line Playback Switch',index=1 ; type=BOOLEAN,access=rw------,values=1 : values=off numid=3,iface=MIXER,name='Line Playback Volume' ; type=INTEGER,access=rw---R--,values=2,min=0,max=255,step=0 : values=0,0 | dBminmax-min=0.00dB,max=0.99dB numid=5,iface=MIXER,name='Line Playback Volume',index=1 ; type=INTEGER,access=rw---R--,values=2,min=0,max=255,step=0 : values=0,0 | dBminmax-min=0.00dB,max=0.99dB numid=6,iface=MIXER,name='Speaker Playback Switch' ; type=BOOLEAN,access=rw------,values=1 : values=on numid=7,iface=MIXER,name='Speaker Playback Volume' ; type=INTEGER,access=rw---R--,values=2,min=0,max=255,step=0 : values=255,255 | dBminmax-min=0.00dB,max=0.99dB numid=1,iface=PCM,name='Playback Channel Map' ; type=INTEGER,access=r----R--,values=4,min=0,max=36,step=0 : values=3,4,0,0 | | TLV size error (257, 8, 0)! leo-ThinkPad leo # amixer -c2 Simple mixer control 'Speaker',0 Capabilities: pvolume pswitch pswitch-joined penum Playback channels: Front Left - Front Right Limits: Playback 0 - 255 Mono: Front Left: Playback 255 [100%] [0.99dB] [on] Front Right: Playback 255 [100%] [0.99dB] [on] Simple mixer control 'Line',0 Capabilities: pvolume pswitch pswitch-joined penum Playback channels: Front Left - Front Right Limits: Playback 0 - 255 Mono: Front Left: Playback 0 [0%] [0.00dB] [off] Front Right: Playback 0 [0%] [0.00dB] [off] Simple mixer control 'Line',1 Capabilities: pvolume pswitch pswitch-joined penum Playback channels: Front Left - Front Right Limits: Playback 0 - 255 Mono: Front Left: Playback 0 [0%] [0.00dB] [off] Front Right: Playback 0 [0%] [0.00dB] [off] Thanks in advance! ------------------------------------------------------------------------------ Subversion Kills Productivity. 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