i2s\pcm\spdif\slimbus

2018-09-29 Thread Muni Sekhar
Hi All, Can someone share the links to i2s\pcm\spdif\slimbus bus specifications. -- Thanks, Sekhar

Re: sound: latency and synchronization measurements

2018-05-18 Thread Muni Sekhar
On Fri, May 18, 2018 at 6:42 PM, Greg KH <g...@kroah.com> wrote: > On Fri, May 18, 2018 at 06:07:29PM +0530, Muni Sekhar wrote: >> [ Please keep me in CC as I'm not subscribed to the list] >> >> Hi All, >> >> I am trying to characterize the audio

Re: sound: latency and synchronization measurements

2018-05-18 Thread Muni Sekhar
audio frames\samples? > > Best regards, > > Aris > > On Fri, May 18, 2018 at 3:37 PM, Muni Sekhar <munisekhar...@gmail.com> > wrote: >> >> [ Please keep me in CC as I'm not subscribed to the list] >> >> Hi All, >> >> I am trying to

sound: latency and synchronization measurements

2018-05-18 Thread Muni Sekhar
[ Please keep me in CC as I'm not subscribed to the list] Hi All, I am trying to characterize the audio synchronization between two systems. There is a mechanism to route audio between two systems, we run ‘aplay’ at one system and ‘arecord’ in other system. We need to measure the time

sound: aplay\arecord audio frame flow

2018-05-14 Thread Muni Sekhar
[ Please keep me in CC as I'm not subscribed to the list] Hi All, Is there anyway in the kernel sound subsystem to know when the application calls ‘aplay’ and anything starts playing? Also for arecord\aplay, Is there any way from kernel's point of view to know when it receives for example the

linux-sound: timestamps for audio frames

2018-05-02 Thread Muni Sekhar
[ Please keep me in CC as I'm not subscribed to the list] Hi All, >From sound driver, I am wondering if we could get the timestamps when It receives for example the first and last audio frames. Is there any way we can extract or expose that information to user mode? -- Thanks, Sekhar -- To

aplay\arecord compare utility

2018-02-23 Thread Muni Sekhar
[ Please keep me in CC as I'm not subscribed to the list] Hi All, I’m using an alsa utilities(aplay & arecord) for sound loopback testing. From Linux host , sending & receiving the wav file. At end I want to compare the sent & received wav file. Does Linux has any utility to support this

audio CODEC(CS42888) test

2018-02-21 Thread Muni Sekhar
Hi All, I’m having a sound hardware which contains an analogue audio CODEC(CS42888) and configuring the CODEC is performed over SPI bus. I noticed that linux kernel already had a driver(snd-soc-cs42xx8.ko) for this, I planned to use this driver. Basically I’d like to perform loopback test