Hi Bo-Erik, you should first convolve each sound source sample with its respective B-format RIR, then sum the resulting B-format streams. Do not merge the RIRs before, it won't give you the result you are looking for.
What you can do however is, if you have an indication of mixing time of the room or by trial and error, split the B-format RIRs into early parts, and late reverberation. As the late reverb tail will most likely not vary much with position, you can keep only one set of them. Then you should still convolve each source with the respective early part, but for the late part you can sum the source signals first and convolve them with the single late reverb RIR, assuming that they're going through the same "diffuse" reverberation. You save some computing this way with shorter convolutions. If that is not the issue though, you can go with the full RIRs which will I'd assume will give you the give the most natural impression. Best regards, Archontis On Aug 11, 2016, at 2:21 AM, Bo-Erik Sandholm <bosses...@gmail.com> wrote: > I want to introduce the impulse responce of a real room to a foa or toa > file with panned mono sources in fixed positions. > I have a few questions about how to create the best result in the simplest > way. > > If I have the recorded bformat impulse responces of several sources placed > in the same positions where the panned sources will be located. > > Questions on how to get most natural result: > > Should each positioned sound source be convolved with positional specific > mono room impulse responce or a positional specific bformat RIR? > > Can all separately measured bformat positional RIRs be merged as one > bformat RIR in any way, if so how? > > Can the convolving be done in bformat after mixing to a single bformat file > or should it be done for each before mixing to bformat? > Should that be done with mono or bformat RIR. > > How many convoling instances would be best to use in a setup? > > Bo-Erik Sandholm > Stockholm > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <https://mail.music.vt.edu/mailman/private/sursound/attachments/20160811/4e8d149d/attachment.html> > _______________________________________________ > Sursound mailing list > Sursound@music.vt.edu > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, edit > account or options, view archives and so on. _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, edit account or options, view archives and so on.
