need help to change buffer size and period size in pulsesrc

[ABDUL MOIZ]

Hi,

       I am using USB mic on Pandaboard (OMAP4)  with ubuntu 11.04 installed.

I am running the below pipeline

$ gst-launch pulsesrc ! pulsesink

I am getting poor audio quality (noise added)

So therefore I want to change the buffer-size and period size.
I tried with options like "buffer-time" and "latency-time" but there is no differnce in the output.

Can anybody suggest , how to set the buffer size and period size properly so that i can improve the audio quality.

Regards,
Abdul Moiz
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[Stefan Sauer]

On 08/18/11 14:11, ABDUL MOIZ wrote:

Hi,

       I am using USB mic on Pandaboard (OMAP4)  with ubuntu 11.04 installed.

I am running the below pipeline

$ gst-launch pulsesrc ! pulsesink

I am getting poor audio quality (noise added)

So therefore I want to change the buffer-size and period size.
I tried with options like "buffer-time" and "latency-time" but there is no differnce in the output.

Why do you belive the bad audio quality comes from the settings of "buffer-size and period size."? Try to check if recording works fine by recoding to a pcm wav file:

gst-launch -e pulsesrc ! audioconvert ! waveenc ! filesink location="test.wav"

Stefan

Can anybody suggest , how to set the buffer size and period size properly so that i can improve the audio quality.

Regards,
Abdul Moiz

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