• State Resolved
  • Locked Locked
  • Replies 3 replies
  • Subscribers 29 subscribers
  • Views 3741 views
  • Users 0 members are here
Support feedback
Options
Options
Similar topics

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

CC8520 Lag/Delay time

Frank Athari
Prodigy 20 points
Other Parts Discussed in Thread: PUREPATH-WL-CFG

I am looking to design a wireless audio interface for live applications and before I commit to using this chip is there a spec for the lag time or delay from the the time analog audio goes in to the time the audio comes out of the speakers? Can it be used in a wireless microphone design?

Are there any real life tests performed for this ?

 

Thanks in advance,

Frank

  • 0
    TI__Expert 7160 points

    Hi Frank,

    The latency is configurable in the PurePath Wireless Configurator (http://focus.ti.com/docs/toolsw/folders/print/purepath-wl-cfg.html) between 768 and 2048 samples with a granularity of 64 samples. With a 48kHz sample rate this corresponds to pin-to-pin delays between 16ms and 42.6ms. Keep in mind that this is delay introduced by the CC85xx devices. Latency added by an external audio device (codec, adc, dac etc) is not included. You can find more details about latency in the CC85xx Family User's Guide (http://focus.ti.com/lit/ug/swru250e/swru250e.pdf).

    -Kristoffer

  • 0 in reply to Kristoffer S
    Prodigy 20 points

    Hi Kristoffer,

    Thanks for the reply. So has this device been considered for pro Audio applications or is it generally aimed at consumer electroincs?

    I would like to design a wireless guitar and microphone wireless system and just wonder if this will be fast enough for live guitar . Are there any reference designs for pro audio type gear?

    Thanks again,

    Frank

  • 0 in reply to Frank Athari
    TI__Expert 7160 points

    Hi Frank,

    Sorry for the late reply. We're mainly aiming the CC85xx for consumer electronics. What's considered good enough for pro-audio varies from person to person I guess. I know that 16ms latency for a live guitar is considered too much by many people. We don't have any reference designs for pro audio mics or guitars.

    -Kristoffer