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annotate toolboxes/MIRtoolbox1.3.2/MIRToolbox/@miraudio/mirsave.m @ 0:e9a9cd732c1e tip

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first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
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wolffd@0 1 function mirsave(a,f,multichan)
wolffd@0 2
wolffd@0 3 ext = 0; % Specified new extension
wolffd@0 4 if nargin < 2
wolffd@0 5 f = '.mir';
wolffd@0 6 elseif length(f)>3 && strcmpi(f(end-3:end),'.wav')
wolffd@0 7 ext = '.wav';
wolffd@0 8 if length(f)==4
wolffd@0 9 f = '.mir';
wolffd@0 10 end
wolffd@0 11 elseif length(f)>2 && strcmpi(f(end-2:end),'.au')
wolffd@0 12 ext = '.au';
wolffd@0 13 if length(f)==3
wolffd@0 14 f = '.mir';
wolffd@0 15 end
wolffd@0 16 end
wolffd@0 17
wolffd@0 18 if nargin < 3
wolffd@0 19 multichan = '';
wolffd@0 20 end
wolffd@0 21
wolffd@0 22 d = get(a,'Data');
wolffd@0 23 nf = length(d);
wolffd@0 24 fs = get(a,'Sampling');
wolffd@0 25 nb = get(a,'NBits');
wolffd@0 26 nm = get(a,'Name');
wolffd@0 27 ch = get(a,'Channels');
wolffd@0 28 maxd = 0;
wolffd@0 29 for i = 1:nf
wolffd@0 30 for j = 1:length(d{i})
wolffd@0 31 maxd = max(max(max(max(abs(d{i}{j}),[],1),[],2),[],3),maxd);
wolffd@0 32 end
wolffd@0 33 end
wolffd@0 34 for i = 1:nf
wolffd@0 35 nbi = nb{i};
wolffd@0 36 di = d{i};
wolffd@0 37 fsi = fs{i};
wolffd@0 38 nmi = nm{i};
wolffd@0 39 chi = ch{i};
wolffd@0 40 out = [];
wolffd@0 41 for j = 1:length(di)
wolffd@0 42 di{j} = di{j}./repmat(maxd,size(di{j}))*.9999;
wolffd@0 43 out = [out;reshape(di{j},[],size(di{j},3),1)];
wolffd@0 44 if length(di)>1
wolffd@0 45 out = [out;rand(100,size(di{j},3))]*.9;
wolffd@0 46 end
wolffd@0 47 end
wolffd@0 48
wolffd@0 49 %Let's remove the extension from the original files
wolffd@0 50 if length(nmi)>3 && strcmpi(nmi(end-3:end),'.wav')
wolffd@0 51 nmi(end-3:end) = [];
wolffd@0 52 elseif length(nmi)>2 && strcmpi(nmi(end-2:end),'.au')
wolffd@0 53 nmi(end-2:end) = [];
wolffd@0 54 end
wolffd@0 55
wolffd@0 56 nchan = size(out,2);
wolffd@0 57 if isempty(multichan) || nchan < 2
wolffd@0 58 if nf>1 || strcmp(f(1),'.')
wolffd@0 59 %Let's add the new suffix
wolffd@0 60 n = [nmi f];
wolffd@0 61 else
wolffd@0 62 n = f;
wolffd@0 63 end
wolffd@0 64 if not(ischar(ext)) || strcmp(ext,'.wav')
wolffd@0 65 if length(n)<4 || not(strcmpi(n(end-3:end),'.wav'))
wolffd@0 66 n = [n '.wav'];
wolffd@0 67 end
wolffd@0 68 wavwrite(out,fsi,nbi,n)
wolffd@0 69 elseif strcmp(ext,'.au')
wolffd@0 70 if length(n)<3 || not(strcmpi(n(end-2:end),'.au'))
wolffd@0 71 n = [n '.au'];
wolffd@0 72 end
wolffd@0 73 auwrite(out,fsi,nbi,'linear',n)
wolffd@0 74 end
wolffd@0 75 disp([n,' saved.']);
wolffd@0 76 else
wolffd@0 77 for j = 1:nchan
wolffd@0 78 nb = num2str(chi(j));
wolffd@0 79 if nf>1 || strcmp(f(1),'.')
wolffd@0 80 %Let's add the new suffix
wolffd@0 81 n = [nmi nb f];
wolffd@0 82 else
wolffd@0 83 n = [f nb];
wolffd@0 84 end
wolffd@0 85 if not(ischar(ext)) || strcmp(ext,'.wav')
wolffd@0 86 if length(n)<4 || not(strcmpi(n(end-3:end),'.wav'))
wolffd@0 87 n = [n '.wav'];
wolffd@0 88 end
wolffd@0 89 wavwrite(out(:,j),fsi,nbi,n)
wolffd@0 90 elseif strcmp(ext,'.au')
wolffd@0 91 if length(n)<3 || not(strcmpi(n(end-2:end),'.au'))
wolffd@0 92 n = [n '.au'];
wolffd@0 93 end
wolffd@0 94 auwrite(out(:,j),fsi,nbi,'linear',n)
wolffd@0 95 end
wolffd@0 96 disp([n,' saved.']);
wolffd@0 97 end
wolffd@0 98 end
wolffd@0 99 end