1 | .\" roard.1: |
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2 | |
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3 | .TH "roarfilt" "1" "July 2008" "RoarAudio" "System Manager's Manual: roarfilt" |
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4 | |
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5 | .SH NAME |
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6 | |
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7 | roarfilt \- RoarAudio sound server audio filter client |
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8 | |
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9 | .SH SYNOPSIS |
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10 | |
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11 | roarfilt [OPTIONS]... |
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12 | |
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13 | .SH "DESCRIPTION" |
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14 | This filters the audio data before they are send to the soundcard. |
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15 | |
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16 | .SH "GENERAL OPTIONS" |
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17 | \fBNOTE: This list is incomplete!\fR |
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18 | In addition to this list this program provides compatible |
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19 | options for esdfilt. You can just replace the "esd" |
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20 | in the name with "roar" or use symlinks. This options are for compatibly |
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21 | only and should not used in new programs. |
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22 | |
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23 | .TP |
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24 | \fB--help\fR |
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25 | Print some help text. |
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26 | |
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27 | .SH "AUDIO OPTIONS" |
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28 | .TP |
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29 | \fB--rate RATE\fR, \fB-R RATE\fR |
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30 | Set server sample rate. |
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31 | |
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32 | .TP |
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33 | \fB--bits BITS\fR, \fB-B BITS\fR |
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34 | Set server bits. |
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35 | |
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36 | .TP |
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37 | \fB--chans CHANNELS\fR, \fB-C CHANNELS\fR |
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38 | Set server channels. |
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39 | |
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40 | .SH "NETWORK OPTIONS" |
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41 | .TP |
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42 | \fB--server SERVER\fR |
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43 | The server to connect to. |
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44 | |
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45 | .SH "OLD ROARFILT OPTIONS" |
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46 | .TP |
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47 | \fB--half\fR |
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48 | Half the volume. |
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49 | |
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50 | .TP |
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51 | \fB--double\fR |
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52 | Double the volume. |
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53 | |
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54 | .TP |
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55 | \fB--amp n\fR, \fB--mul n\fR |
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56 | Amplify volume by n. |
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57 | |
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58 | .TP |
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59 | \fB--div n\fR |
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60 | Divide volume by n. |
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61 | |
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62 | .TP |
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63 | \fB--log n\fR |
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64 | Does a simple 'gamma correction'. |
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65 | This is done by: |
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66 | sample = 2^(bits-1) * log(1 + (n - 1)*sample/2^(bits-1)) / log(n). |
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67 | |
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68 | .TP |
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69 | \fB--lowpass freq\fR |
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70 | lowpass filter |
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71 | |
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72 | .SH "FILTER OPTIONS" |
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73 | |
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74 | .TP |
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75 | \fB--filter name\fR |
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76 | This adds a new filter of name \fIname\fR. |
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77 | |
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78 | .TP |
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79 | \fB--ffreq freq\fR |
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80 | This sets a frequency for the filter. |
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81 | |
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82 | .TP |
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83 | \fB--fmul mult\fR |
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84 | This sets a multiplier for the filter. |
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85 | |
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86 | .TP |
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87 | \fB--fdiv div\fR |
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88 | This sets a divider for the filter. |
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89 | |
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90 | .TP |
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91 | \fB--fn N\fR |
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92 | This sets the filter's N value. |
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93 | |
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94 | .TP |
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95 | \fB--flimit limit\fR |
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96 | This sets the filter's limit value. |
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97 | |
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98 | .TP |
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99 | \fB--fmode mode\fR |
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100 | set filter mode parameter |
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101 | This sets the filter mode. Symbolic values are currently not supported. |
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102 | |
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103 | .TP |
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104 | \fB--fq Q\fR |
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105 | This sets the filter quality. |
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106 | |
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107 | |
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108 | .SH "ENVIRONMENT VARIABLES" |
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109 | Bellow only the basic environment varibales are listend. |
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110 | For a complete list see \fBlibroar\fR(7). |
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111 | |
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112 | .TP |
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113 | \fBHOME\fR |
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114 | The users home directory. |
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115 | |
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116 | .TP |
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117 | \fBROAR_SERVER\fR |
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118 | The address of the listening server. This may be in form of host:port for TCP/IP connections |
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119 | and /path/to/sock for UNIX Domain Sockets or any other supported format. See \fBroartips\fR(7) |
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120 | for a full list. |
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121 | This is the same as the \fB--server\fR option. |
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122 | |
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123 | .SH "BUGS" |
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124 | There are a lot of bugs... |
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125 | |
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126 | .SH "SEE ALSO" |
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127 | \fBroarctl\fR(1), |
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128 | \fBroarvorbis\fR(1), |
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129 | \fBroarfish\fR(1), |
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130 | \fBroartestclients\fR(1), |
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131 | \fBroartips\fR(7), |
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132 | \fBlibroar\fR(7), |
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133 | \fBRoarAudio\fR(7). |
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134 | |
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135 | .SH "HISTORY" |
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136 | |
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137 | For history information see \fBRoarAudio\fR(7). |
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138 | |
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139 | .\" ll |
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