Without the configuration you are using we have little to go on. How is the system wired? Are you saying when you run instruments AND mics into this then record they do not play back together? If the instruments are MIDI types and you play back along with the vocals I would expect the MIDI instruments to be delayed a little as it takes time to transmit the note info at 31.25Kb... It takes about 1/3000 second for EACH MIDI character and note messages take three of those for a total of about 1 ms. One millisecond IS noticeable by the ear... and if you have several instruments it may take several milliseconds to service all the instruments. If you are recording ANALOG instruments the delay should be imperceptible.
Thank you for your help. I am not very knowledgeable when it comes to electronics. Maybe I can give you a few more details. I use a Yamaha p-120 piano to record my accompaniment on my Cubase LE (Lambda Studio). I record my piano part on Track 1 then go back and play that song as I use my mic to sing along with the piano on track 2. When I play both tracks back together my voice isn't keeping up with the song I just recorded. I use headphones to listen to the song as I sing and to hear the final project. I've recorded successfully many times, but now I've run into this problem. I use a Windows computer and own the Lambda desktop recording studio. My mic is a Shure SM58. Does that help? Thanks! :)
This is a latentcy problem that really hasn't a solution. The problem is that the computer has to find and spill out the pre-recorded audio and then has to digitize and store the new audio. While computers are fast, the ear can detect differences as small as 1/1000 second. What I would do is to record the Yamaha as a MIDI file. Then play back the MIDI file causing the Yamaha to generate audio. Record that audio on one track and your mic on another track... then the audio of the piano and the vocal will be in sync. When using computers understanding the latency issues is important since it takes access time to get to disk drives, etc. Essentially, to have audio in sync, it has to be recorded at the same time with these digital recorders. By having the piano replay the file via MIDI we can have the piano generate the audio again so we can record both mic and piano audio at the same time. Some of the Yamaha pianos have the ability to record your performance built in. If yours does, you could record the piano in the Yamaha and then record the audio and your mic without using the MIDI recording... I looked up your piano... it supposedly has sequencing so you should be able to record your performance in it and then play it back recording the audio and mic with the lexicon. The audio will then be in sync.
Thanks very much! I'll try it out asap.
Sincerely,
Dana
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