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 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225  % $Id$ % \section{\label{ref:Recording}Recording} \subsection{\label{ref:while_recording_screen}While Recording Screen} \screenshot{main_menu/images/ss-while-recording-screen}{The while recording screen}{} Entering the \setting{Recording} option in the \setting{Main Menu} brings up a screen in which you can choose to enter the \setting{Recording Screen} or the \setting{Recording Settings} (see below). The \setting{Recording Screen} shows the time elapsed and the size of the file being recorded. A peak meter is present to allow you set gain correctly. There is also a volume setting, this will only affect the output level of the \dap{} and does \emph{not} affect the recorded sound. \opt{SWCODEC}{ \note{When you start a recording, the hard disk will spin up. This will cause the peak meters to freeze in the process. This is expected behaviour, and nothing to worry about. The recording continues during the spin up.}} \opt{MASCODEC}{The frequency, channels and quality} \opt{SWCODEC}{The frequency and channels} settings are shown on the last line. The controls for this screen are: \begin{table} \begin{btnmap}{}{} \ActionStdPrev{} / \ActionStdNext & Select setting.\\ % \ActionSettingsDec{} / \ActionSettingsInc & Adjust selected setting.\\ % \ActionRecPause & Start recording.\\ & While recording: pause recording (press again to continue).\\ % \ActionRecExit & Exit \setting{Recording Screen}.\\ & While recording: Stop recording.\\ % \opt{IRIVER_H100_PAD,IRIVER_H300_PAD,IAUDIO_X5_PAD}{ \ActionRecNewfile & Starts recording.\\ & While recording: close the current file and open a new one.\\ } % \ActionRecMenu & Open \setting{Recording Settings} (see below).\\ % \opt{RECORDER_PAD}{ \ActionRecFTwo & Quick menu for recording settings. A quick press will leave the screen up (press \ActionRecFTwo{} again to exit), while holding it will close the screen when you release it.\\ } % \opt{RECORDER_PAD}{ \ActionRecFThree & Quick menu for source setting.\\ & Quick/hold works as for \ActionRecFTwo.\\ & While recording: Start a new recording file.\\ } \end{btnmap} \end{table} \subsection{\label{ref:Recordingsettings}Recording Settings} \screenshot{main_menu/images/ss-recording-settings}{The recording settings screen}{} \opt{MASCODEC}{ \begin{description} \item[Quality:] Choose the quality here (0 to 7). Default is 5, best quality is 7, smallest file size is 0. This setting effects how much your sound sample will be compressed. Higher quality settings result in larger MP3 files. The quality setting is just a way of selecting an average bit rate, or number of bits per second, for a recording. When this setting is lowered, recordings are compressed more (meaning worse sound quality), and the average bitrate changes as follows. \end{description} \begin{table}[h!] \begin{center} \begin{tabularx}{0.75\textwidth}{lX}\toprule \emph{Frequency} & \emph{Bitrate} (Kbit/s) -- quality 0$\rightarrow$7 \\\midrule 44100Hz stereo & 75, 80, 90, 100, 120, 140, 160, 170 \\ 22050Hz stereo & 39, 41, 45, 50, 60, 80, 110, 130 \\ 44100Hz mono & 65, 68, 73, 80, 90, 105, 125, 140 \\ 22050Hz mono & 35, 38, 40, 45, 50, 60, 75, 90 \\\bottomrule \end{tabularx} \end{center} \end{table} } \begin{description} \opt{SWCODEC}{ \item[Format:] Choose which format to save your recording in. The available choices are the two uncompressed formats \setting{PCM Wave} and \setting{AIFF}, the losslessly compressed \setting{WavPack} and the lossy \setting{MPEG Layer 3}. \item[Encoder Settings:] This sets the bitrate when using the \setting{MPEG Layer 3} format. And has no settings for the other formats. } \item[Frequency:] Choose the recording frequency (sample rate). \opt{MASCODEC}{48kHz, 44.1kHz, 32kHz, 24kHz, 22.05kHz, 16kHz} \opt{h1xx,h300}{44.1kHz, 22.05kHz and 11.025kHz} \opt{x5}{88.2kHz, 44.1kHz, 22.05kHz and 11.025kHz} are available. Higher sample rates use up more disk space, but give better sound quality. \opt{SWCODEC}{\note{The 11.025kHz setting is not available when using% \setting{MPEG Layer 3} format.} }% \opt{MASCODEC}{ The frequency setting also determines which version of the MPEG standard the sound is recorded using:\\ MPEG v1 for 48, 44.1 and 32\\ MPEG v2 for 24, 22.05 and 16\\ } \opt{recorder,recorderv2fm,h1xx} {\note{You cannot change the sample rate for digital recordings.} } \item[Source:] Choose the source of the recording. This can be \opt{recorder,recorderv2fm,h1xx}{\setting{SPDIF (digital)},}% \setting{Mic} or \setting{Line In}. \opt{CONFIG_TUNER}{For recording from the radio see \reference{ref:FMradio}.} \item[Channels:] This allows you to select mono or stereo recording. Please note that for mono recording, only the left channel is recorded. Mono recordings are usually somewhat smaller than stereo. \opt{MASCODEC}{ \item[Independent Frames:] The independent frames option tells the \dap{} to encode with the bit reservoir disabled, so the frames are independent of each other. This makes a file easier to edit. } \item[File Split Options:] This sub menu contains options for file splitting, which can be used to split up long recordings into manageable pieces. The splits are seamless (frame accurate), no audio is lost at the split point. The break between recordings is only the time required to stop and restart the recording, on the order of 2 -- 4 seconds. \begin{description} \item[Split Measure:] This option controls wether to split the recording when the \setting{Split Filesize} is reached or when the \setting{Split Time} has elapsed. \item[What to do when Splitting:] This controls what will happend when the splitting condition is fullfilled the two available options here are \setting{Start a new file} or \setting{Stop recording}. \item[Split Time:] Set the time to record between each split, if time is used as \setting{Split Measure}.\\ Options (hours:minutes between splits): Off, 00:05, 00:10, 00:15, 00:30, 1:00, 1:14 (74 minute CD), 1:20 (80 minute CD), 2:00, 4:00, 8:00, 10:00, 12:00, 18:00, 24:00. \item[Split Filesize:] Set the filesize to record between each split, if filesize is used as \setting{Split Measure}. \end{description} \item[Prerecord Time:] This setting buffers a small amount of audio so that when the record button is pressed, the recording will begin from that number of seconds earlier. This is useful for ensuring that a recording begins before a cue that is being waited for. \item[Directory:] Allows changing the location where the recorded files are saved. The default location is \fname{/recordings}. If set to \setting{Current Directory} the recorded files will be saved in the directory where the \setting{File Browser} was left. \item[Show recording screen on startup:] If set to yes, the \dap{} will start up with the recording screen showing. \nopt{ondio}{ \item[Clipping Light:] Causes the backlight to flash on when clipping has been detected.\\ Options: \setting{Off}, \setting{Main unit only}, \setting{Main and remote unit}, \setting{Remote unit only}. } \item[Trigger:] \fixme{Add description of triggered recording.} \opt{SWCODEC}{% \item[Automatic Gain Control:] The \setting{Automatic Gain Control} has five different presets for automatically controlling the gain while recording. \begin{description} \item[Safety (clip):] This preset will lower the gain when the levels get too high (-1dB) and will never increase gain. \item[Live (slow):] This preset is designed to be used for recording of live shows and has quite large headroom for loud parts. It heads for a nominal target peak level of -9dB and will slowly increase or decrease gain to reach it. \item[DJ-Set (slow):] This preset heads for a nominal target peak level of -5dB and will slowly increase or decrease gain to reach it. \item[Medium:] This preset heads for a nominal target peak level of -6dB and will increase or decrease gain to reach it. \item[Voice (fast):] This preset is designed to be used for voice recording and heads for a nominal target peak level of -7dB and will quickly increase or decrease gain to reach it. \end{description} \item[AGC clip time:] This setting controls how long the level is too loud or soft before the \setting{Automatic Gain Control} kicks in. }% \end{description}