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Discussion Starter · #1 ·

Hullo experts!

 

I just got a used Harman Kardon AVR430 5.1, and the sound is beautiful compared to my old receiver (o:

 

But if I use SPDIF input, it tends to eat 1-2 seconds of sound at the beginning of a song, or, especially annoyingly, whenever there's a silent bit in speech.

It sounds like the D/A converter shuts down whenever there's even the shortest pause, and requires 1-2 seconds to start up?

 

If I feed it an analogue signal, the problem disappears, but the AVR's buit-in D/A converter has better sound than the Burr Brown D/A converter I have. 

 

Does anyone else have this problem, and is there a fix for it? 

 

Thanks in advance (o:
 

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Delay whilst it locks onto the bitstream, determines whether it's PCM, Dolby Digital, DTS etc.


No solution really, or you could try setting decoding mode only for certain inputs? ie from CD you'll always play 2 channel PCM not DTS or DD so select PCM only? You might have that option?
 

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Quote:
Originally Posted by Parintachin  /t/1520576/harman-kardon-avr430-eats-first-couple-seconds-when-using-spdif#post_24428824


Thanks for your thoughts guys; unfortunately that didn't help =P

You can try a processor reset and see if that helps. Of course all settings you have now will be lost so a recal for EzSet will be needed. If you want to try that look at page 51 of the owners manual.

http://www.harmankardon.com/images/media/AVR430_OM_EN.pdf
 

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Normal operation...

The 430 used a Cirrus Logic DSP and when identifying an incoming stream it takes about 1/2 second...

Not a problem for a movie, but irritating for a music track...


Just my $0.05... 👍😉
 

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Discussion Starter · #8 ·

Ahwell; thanks for the replies, and thanks for the clarification M Code. 

 

I guess I could write a piece of code to send a 20khz or a 10hz sine through the system at lowest possible volume - my source is a mac mini - and see if that helps. 

 

/Par. 
 

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Playing complete silence is all you need. Assuming MacOS X works like Windows and can mix the output of several programs you can just leave that playing in a loop all the time. That way there should always be a valid SPDIF signal for your receiver to lock on to.
 
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