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DIR:OUT; SFP:1102; SCL:1; SRVR:DM5PR10MB1834; H:DM5PR10MB1978.namprd10.prod.outlook.com; FPR:; SPF:None; PTR:InfoNoRecords; MX:1; A:1; LANG:en; received-spf: None (protection.outlook.com: ldc.upenn.edu does not designate permitted sender hosts) spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: ldc.upenn.edu X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Aug 2017 17:20:05.8070 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 6c4d949d-b91c-4c45-9aae-66d76443110d X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR10MB1834 X-Headers-End: 1dlImX-0008Ev-PW Subject: Re: Recording in chunks using sox X-BeenThere: sox-users@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: sox-users@lists.sourceforge.net Content-Type: multipart/mixed; boundary="===============2846116316980030416==" Errors-To: sox-users-bounces@lists.sourceforge.net --===============2846116316980030416== Content-Language: en-US Content-Type: multipart/alternative; boundary="_000_DM5PR10MB19782E182E09F24B4DDA45EBF19B0DM5PR10MB1978namp_" --_000_DM5PR10MB19782E182E09F24B4DDA45EBF19B0DM5PR10MB1978namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable My first intuition on this would be to have your continuous a/d process pip= e to some custom process (not sox), which simply takes a binary stream on s= tdin and creates a continuous series of data files on disk of equal length = (e.g. 20 minutes worth of samples, or whatever seems like a good interval),= using some reasonable template pattern for file names. Then, there'd be a separate process (running continuously) that scans for n= ew files at regular intervals, and runs sox on each new file, converting it= from raw to whatever format you want as a final product. Dave Graff ________________________________ From: Eyob Yirdaw via Sox-users Sent: Friday, August 25, 2017 1:04:12 PM To: sox-users@lists.sourceforge.net Cc: Eyob Yirdaw Subject: [SoX-users] Recording in chunks using sox Hi all, I want to record 24/7 transmission of FM radios using DVB-T dongles. I wan= t to direct the input audio from some dongle to sox, eg. something like rtl_fm -f 88.8M -d 0 -M wbfm | sox -r 32k -t s16 - -t ogg device_0.ogg here am using the rtl_fm terminal program. Can sox help me save the continuous FM audio that comes from rtl_fm to be s= aved in some time length chunks, say 10 minute long chunks? It means that sox would write to disc every 10 minutes. Thanks for any help! --_000_DM5PR10MB19782E182E09F24B4DDA45EBF19B0DM5PR10MB1978namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

My first intuition on this would be to have your continuous a/d process = pipe to some custom process (not sox), which simply takes a binary str= eam on stdin and creates a continuous series of data files on disk of equal= length (e.g. 20 minutes worth of samples, or whatever seems like a good interval), using some reasonable template pa= ttern for file names.


Then, there'd be a separate process (running continuously) that scans fo= r new files at regular intervals, and runs sox on each new file, conve= rting it from raw to whatever format you want as a final product.


  Dave Graff

From: Eyob Yirdaw via Sox-u= sers <sox-users@lists.sourceforge.net>
Sent: Friday, August 25, 2017 1:04:12 PM
To: sox-users@lists.sourceforge.net
Cc: Eyob Yirdaw
Subject: [SoX-users] Recording in chunks using sox
 
Hi all,

I want to reco= rd 24/7 transmission of FM radios using DVB-T dongles.  I want to dire= ct the input audio from some dongle to sox, eg. something like

rtl_fm -f 88.8= M -d 0 -M wbfm | sox -r 32k -t s16 - -t ogg device_0.ogg

here am using = the rtl_fm terminal program.

Can sox help m= e save the continuous FM audio that comes from rtl_fm to be saved in some t= ime length chunks, say 10 minute long chunks?
It means that = sox would write to disc every 10 minutes.

Thanks for any= help!
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