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| author | Oswald Buddenhagen <oswald.buddenhagen@gmx.de> | 2023-04-05 23:12:20 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2023-04-06 11:14:23 +0300 |
| commit | d3330cb8e36a50184a1a7d36019937c1f62f2a04 (patch) | |
| tree | 1a1dc00f412e56701d33e5d221d544682d0a8c57 /Documentation/sound/cards/sb-live-mixer.rst | |
| parent | 3ab06bf1389f2649e73bfa0d524d1a4890bd68d5 (diff) | |
| download | linux-d3330cb8e36a50184a1a7d36019937c1f62f2a04.tar.xz | |
ALSA: emu10k1: documentation updates
- Less misinformation
- Language and whitespace fixups
Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Link: https://lore.kernel.org/r/20230405201220.2197893-1-oswald.buddenhagen@gmx.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'Documentation/sound/cards/sb-live-mixer.rst')
| -rw-r--r-- | Documentation/sound/cards/sb-live-mixer.rst | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/Documentation/sound/cards/sb-live-mixer.rst b/Documentation/sound/cards/sb-live-mixer.rst index 357fcd619d39..819886634400 100644 --- a/Documentation/sound/cards/sb-live-mixer.rst +++ b/Documentation/sound/cards/sb-live-mixer.rst @@ -15,7 +15,7 @@ The ALSA driver programs this portion of chip by default code IEC958 (S/PDIF) raw PCM ======================= -This PCM device (it's the 4th PCM device (index 3!) and first subdevice +This PCM device (it's the 3rd PCM device (index 2!) and first subdevice (index 0) for a given card) allows to forward 48kHz, stereo, 16-bit little endian streams without any modifications to the digital output (coaxial or optical). The universal interface allows the creation of up @@ -33,9 +33,9 @@ Digital mixer controls These controls are built using the DSP instructions. They offer extended functionality. Only the default built-in code in the ALSA driver is described here. Note that the controls work as attenuators: the maximum value is the -neutral position leaving the signal unchanged. Note that if the same destination -is mentioned in multiple controls, the signal is accumulated and can be wrapped -(set to maximal or minimal value without checking of overflow). +neutral position leaving the signal unchanged. Note that if the same destination +is mentioned in multiple controls, the signal is accumulated and can be clipped +(set to maximal or minimal value without checking for overflow). Explanation of used abbreviations: @@ -46,11 +46,11 @@ ADC analog to digital converter I2S one-way three wire serial bus for digital sound by Philips Semiconductors - (this standard is used for connecting standalone DAC and ADC converters) + (this standard is used for connecting standalone D/A and A/D converters) LFE - low frequency effects (subwoofer signal) + low frequency effects (used as subwoofer signal) AC97 - a chip containing an analog mixer, DAC and ADC converters + a chip containing an analog mixer, D/A and A/D converters IEC958 S/PDIF FX-bus @@ -313,6 +313,9 @@ MANUALS/PATENTS ftp://opensource.creative.com/pub/doc ------------------------------------- +Note that the site is defunct, but the documents are available +from various other locations. + LM4545.pdf AC97 Codec m2049.pdf |