Re: [time-nuts] Timestamps in audio files?

2015-12-23 Thread Magnus Danielson
Jim, On 12/21/2015 04:22 PM, Jim Lux wrote: On 12/21/15 3:19 AM, Tim Shoppa wrote: As an adjunct to the thread about timestamped samples of LORAN transmissions... Are there any standard consumer-type audio file formats, that support absolute time time/datestamps? Would not have to be done

Re: [time-nuts] Timestamps in audio files?

2015-12-22 Thread Götz Romahn
there is a timecode associated with Audio CDs. https://en.wikipedia.org/wiki/Compact_Disc_Digital_Audio maybe this helps, Götz Am 21.12.2015 um 22:06 schrieb Hal Murray: tsho...@gmail.com said: I know of many proprietary digital recording applications that make WAV's or MP3's or proprietary

Re: [time-nuts] Timestamps in audio files?

2015-12-21 Thread Chris Caudle
On Mon, December 21, 2015 5:19 am, Tim Shoppa wrote: > Are there any standard consumer-type audio file formats, that support > absolute time time/datestamps? Broadcast WAV file (BWF) is probably the closest. I'm not sure what different timecode formats are possible, but this description of how

Re: [time-nuts] Timestamps in audio files?

2015-12-21 Thread Tim Shoppa
Analogies to broadcast timing are interesting, but that seems like a non-starter today due to multiple cascaded codec latencies. The video formats I know that use timestamps for historical reconstruction, just recorded a human-readable timestamp onto the video itself at original recording time.

Re: [time-nuts] Timestamps in audio files?

2015-12-21 Thread Hal Murray
tsho...@gmail.com said: > I know of many proprietary digital recording applications that make WAV's or > MP3's or proprietary codec formats, where the filename includes a timestamp. > Much more interested in standard formats where the timestamp is embedded in > the file itself. What sort of

Re: [time-nuts] Timestamps in audio files?

2015-12-21 Thread Bob Camp
Hi I sort of suspect that if there *was* a system “broadcasting” time over the internet (other than NTP) we all would be fooling around locking up oscillators to it … Yes, streaming and time stamping are not the same thing. These days though, the two probably get crossed between a lot. Bob >

[time-nuts] Timestamps in audio files?

2015-12-21 Thread Tim Shoppa
As an adjunct to the thread about timestamped samples of LORAN transmissions... Are there any standard consumer-type audio file formats, that support absolute time time/datestamps? Would not have to be done continuously, but something like a time and date stamp inserted nearest each sample on a

Re: [time-nuts] Timestamps in audio files?

2015-12-21 Thread Jim Lux
On 12/21/15 3:19 AM, Tim Shoppa wrote: As an adjunct to the thread about timestamped samples of LORAN transmissions... Are there any standard consumer-type audio file formats, that support absolute time time/datestamps? Would not have to be done continuously, but something like a time and date