DIRAC RESEARCH AB (20250061901). MULTI CHANNEL AUDIO PROCESSING FOR UPMIXING/REMIXING/DOWNMIXING APPLICATIONS
MULTI CHANNEL AUDIO PROCESSING FOR UPMIXING/REMIXING/DOWNMIXING APPLICATIONS
Organization Name
Inventor(s)
Søren Skovgaard Christensen of Dyssegaard (DK)
[[:Category:Pedro H�jen-s�rensen of Allerød (DK)|Pedro H�jen-s�rensen of Allerød (DK)]][[Category:Pedro H�jen-s�rensen of Allerød (DK)]]
Morten Rolle Hansen of Hellerup (DK)
[[:Category:Lars-Johan Br�nnmark of Uppsala (SE)|Lars-Johan Br�nnmark of Uppsala (SE)]][[Category:Lars-Johan Br�nnmark of Uppsala (SE)]]
MULTI CHANNEL AUDIO PROCESSING FOR UPMIXING/REMIXING/DOWNMIXING APPLICATIONS
This abstract first appeared for US patent application 20250061901 titled 'MULTI CHANNEL AUDIO PROCESSING FOR UPMIXING/REMIXING/DOWNMIXING APPLICATIONS
Original Abstract Submitted
a method for determining a decoding l�k matrix for decoding incoming l-dimensional channel audio into outgoing k-dimensional channel audio where l≥2 and k≥1 is provided. the method comprising: determining a panning control parameter p and a sample component d that minimizes a first difference metric between an l-dimensional input sample x and an estimation of the input sample x=d a, where a=a(p) and where a(p) is a first pre-set mapping function that returns an l-dimensional panning vector a for a given panning control parameter p; generating a k-dimensional raw output sample y=d s, where s=s(p) and where s(p) is a second pre-set mapping function that returns a k-dimensional panning vector s for a given panning control parameter p, and; determining the decoding l�k matrix m by solving an optimization problem that minimizes a second difference metric between the k-dimensional raw output sample yand the decoded input sample x m. a method for decoding incoming l-dimensional channel audio into outgoing k-dimensional channel audio using the decoding l�k matrix is also provided.