Hey,

I am trying to play a 96kHz/24-bit pcm file:

{{{ [2309][root@ubuntu:~]# file test.wav test.wav: RIFF (little-endian) data, WAVE audio, Microsoft PCM, 32 bit, stereo 96000 Hz }}}

Which plays with full 96kHz resolution under aplay. But under any other player as VLC, mplayer, totem it plays at 44kHz reported by /proc/asound/card1/stream0, even if the player is reporting to be playing at 96kHz.

Others have reported the same problem:

http://www.head-fi.org/forum/thread/243027/how-to-make-m-audio-transit-worn-...

Some people at mplayer @ irc.freenode.net encouraged me to file a bug report on this issue. Hope it is useful.

Cheers, TSLura

I have also filed a ticked with pulseAudio -- Ticket URL: http://pulseaudio.org/ticket/930 PulseAudio http://pulseaudio.org/ The PulseAudio Sound Server

{{{

[2336][torstefan@ubuntu:/proc/asound/card1]$ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: Intel [HDA Intel], device 1: STAC92xx Digital [STAC92xx Digital] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: USB [Transit USB], device 0: USB Audio [USB Audio] Subdevices: 0/1 Subdevice #0: subdevice #0 card 1: USB [Transit USB], device 1: USB Audio [USB Audio #1] Subdevices: 1/1 Subdevice #0: subdevice #0 }}}

{{{ [2329][root@ubuntu:~]# aplay -D plughw:1,0 test.wav Playing WAVE 'test.wav' : Signed 32 bit Little Endian, Rate 96000 Hz, Stereo

Every 0.5s: cat stream0 Sun Apr 3 23:29:28 2011

M-Audio Transit USB at usb-0000:00:1d.7-1.2.3, full speed : USB Audio

Playback: Status: Running Interface = 1 Altset = 1 URBs = 3 [ 8 8 8 ] Packet Size = 576 Momentary freq = 96000 Hz (0x60.0000) Interface 1 Altset 1 Format: S24_3LE Channels: 2 Endpoint: 3 OUT (ADAPTIVE) Rates: 48001 - 96000 (continuous) Interface 1 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 3 OUT (NONE)

}}}

{{{ [2329][root@ubuntu:~]# mplayer test.wav MPlayer 1.0rc4-4.4.5 (C) 2000-2010 MPlayer Team mplayer: could not connect to socket mplayer: No such file or directory Failed to open LIRC support. You will not be able to use your remote control.

Playing test.wav. Audio only file format detected. ========================================================================== Opening audio decoder: [pcm] Uncompressed PCM audio decoder AUDIO: 96000 Hz, 2 ch, s32le, 6144.0 kbit/100.00% (ratio: 768000->768000) Selected audio codec: [pcm] afm: pcm (Uncompressed PCM) ========================================================================== AO: [pulse] 96000Hz 2ch s32le (4 bytes per sample) Video: no video Starting playback... }}}

{{{ Every 0.5s: cat stream0 Sun Apr 3 23:30:40 2011

M-Audio Transit USB at usb-0000:00:1d.7-1.2.3, full speed : USB Audio

Playback: Status: Running Interface = 1 Altset = 3 URBs = 6 [ 4 4 4 4 4 4 ] Packet Size = 196 Momentary freq = 44100 Hz (0x2c.199a) Interface 1 Altset 1 Format: S24_3LE Channels: 2 Endpoint: 3 OUT (ADAPTIVE) Rates: 48001 - 96000 (continuous) Interface 1 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 3 OUT (NONE) }}}

{{{ [2330][torstefan@ubuntu:~]$ vlc test.wav VLC media player 1.1.4 The Luggage (revision exported) Blocked: call to unsetenv("DBUS_ACTIVATION_ADDRESS") Blocked: call to unsetenv("DBUS_ACTIVATION_BUS_TYPE") [0x9894914] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface. Blocked: call to setlocale(6, "") Blocked: call to sigaction(17, 0xb48ff0d4, 0xb48ff048) Warning: call to signal(13, 0x1) Warning: call to signal(13, 0x1) Warning: call to srand(1302210069) Warning: call to rand() Blocked: call to setlocale(6, "")

(process:11503): Gtk-WARNING **: Locale not supported by C library. Using the fallback 'C' locale. Warning: call to signal(13, 0x1) Warning: call to signal(13, 0x1) }}}

{{{ Every 0.5s: cat stream0 Sun Apr 3 23:31:17 2011

M-Audio Transit USB at usb-0000:00:1d.7-1.2.3, full speed : USB Audio

Playback: Status: Running Interface = 1 Altset = 3 URBs = 6 [ 4 4 4 4 4 4 ] Packet Size = 196 Momentary freq = 44100 Hz (0x2c.199a) Interface 1 Altset 1 Format: S24_3LE Channels: 2 Endpoint: 3 OUT (ADAPTIVE) Rates: 48001 - 96000 (continuous) Interface 1 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 3 OUT (NONE) Rates: 8000 - 48000 (continuous) Interface 1 Altset 3 Format: S16_LE Channels: 2 Endpoint: 3 OUT (ASYNC) Rates: 8000 - 48000 (continuous)

Capture: Status: Stop Interface 2 Altset 1 Format: S24_3LE Channels: 2 Endpoint: 5 IN (ASYNC) Rates: 48001 - 96000 (continuous) Interface 2 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 5 IN (ASYNC) Rates: 8000 - 48000 (continuous) Interface 2 Altset 3 Format: S16_LE Channels: 2 Endpoint: 5 IN (ASYNC) Rates: 8000 - 48000 (continuous)

}}}

{{{ [2332][torstefan@ubuntu:~]$ totem test.wav

Every 0.5s: cat stream0 Sun Apr 3 23:32:33 2011

M-Audio Transit USB at usb-0000:00:1d.7-1.2.3, full speed : USB Audio

Playback: Status: Running Interface = 1 Altset = 3 URBs = 6 [ 4 4 4 4 4 4 ] Packet Size = 196 Momentary freq = 44100 Hz (0x2c.199a) Interface 1 Altset 1 Format: S24_3LE Channels: 2 Endpoint: 3 OUT (ADAPTIVE) Rates: 48001 - 96000 (continuous) Interface 1 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 3 OUT (NONE) Rates: 8000 - 48000 (continuous) Interface 1 Altset 3 Format: S16_LE Channels: 2 Endpoint: 3 OUT (ASYNC) Rates: 8000 - 48000 (continuous)

Capture: Status: Stop Interface 2 Altset 1 Format: S24_3LE Channels: 2 Endpoint: 5 IN (ASYNC) Rates: 48001 - 96000 (continuous) Interface 2 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 5 IN (ASYNC) Rates: 8000 - 48000 (continuous) Interface 2 Altset 3 Format: S16_LE Channels: 2 Endpoint: 5 IN (ASYNC) Rates: 8000 - 48000 (continuous) }}}

System dmsg http://pastebin.com/SmWamhja

-- Ticket URL: http://pulseaudio.org/ticket/930 PulseAudio http://pulseaudio.org/ The PulseAudio Sound Server