* Audio Specifications
@ 2007-11-20 9:32 Azhar Mr.
2007-11-20 17:05 ` Dirk Behme
0 siblings, 1 reply; 2+ messages in thread
From: Azhar Mr. @ 2007-11-20 9:32 UTC (permalink / raw)
To: linux-omap-open-source
Hi,
I am trying to play the audio files from OMAP5912 OSK by connecting an amplifier and speakers to the kit at HEADPHONE OUT end. But the output sound is very less whereas I am able to get high sounds when playing from a CD player or tape recorder.
I think there is an impedance mismatch between OMAP5912 and the amplifier which I am using. Any body Please help me in providing the audio specifications of the processor like output impedance, etc.
Thanking you
With regards
Azharuddin
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* Re: Audio Specifications
2007-11-20 9:32 Audio Specifications Azhar Mr.
@ 2007-11-20 17:05 ` Dirk Behme
0 siblings, 0 replies; 2+ messages in thread
From: Dirk Behme @ 2007-11-20 17:05 UTC (permalink / raw)
To: Azhar Mr.; +Cc: linux-omap, linux-omap-open-source
Azhar Mr. wrote:
> Hi,
>
> I am trying to play the audio files from OMAP5912 OSK by connecting an amplifier and speakers to the kit at HEADPHONE OUT end. But the output sound is very less whereas I am able to get high sounds when playing from a CD player or tape recorder.
>
> I think there is an impedance mismatch between OMAP5912 and the amplifier which I am using. Any body Please help me in providing the audio specifications of the processor like output impedance, etc.
You should have OSK5912 schematic if you have a board. If not, have a
look to section 5.6 (page 48) of
http://omap.spectrumdigital.com/osk5912/files/osk5912_hwspec.pdf
TLV320AIC23 datasheet you can get at
http://www-s.ti.com/sc/ds/tlv320aic23b.pdf
Regards
Dirk
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