HTOA - Revision history

Beardgoggles: /* External links */ Added link which retrieves list of drives with HTOA extraction support.

2021-03-04T15:06:03Z

External links: Added link which retrieves list of drives with HTOA extraction support.

← Older revision		Revision as of 15:06, 4 March 2021
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	Some computer CD drives aren't capable of reading audio data in the area of the disc prior to track 01 index 01 — some refuse to try, and some return false data (silence, even when it's not silent). This capability is independent of a drive's capability to overread into the lead-in or lead-out areas of the disc.		Some computer CD drives aren't capable of reading audio data in the area of the disc prior to track 01 index 01 — some refuse to try, and some return false data (silence, even when it's not silent). This capability is independent of a drive's capability to overread into the lead-in or lead-out areas of the disc.

	==HTOA support in DAE software==		==HTOA support in specific DAE software==
	<!--please expand this list-->		<!--please expand this list-->
	* '''[[Exact Audio Copy]]~~''' -~~ If the CD's table of contents (TOC) indicates track 01 index 00 is greater than 6 seconds, the info for track 1 will be colored red to indicate that HTOA might be present. In order to extract track 01 index 00 (regardless of whether it contains HTOA or is colored red), you have to perform either 1. a full image copy, 2. an index-based rip, 3. a range-based rip, or 4. regular track copy but with gaps appended [sic; actually ''pre''pended] to next track rather than previous.		; [[Exact Audio Copy]]
	* ~~See '''~~[[Comparison of CD rippers]]~~''' for additional DAE software with HTOA support.~~		: If the CD's table of contents (TOC) indicates track 01 index 00 is greater than 6 seconds, the info for track 1 will be colored red to indicate that HTOA might be present. In order to extract track 01 index 00 (regardless of whether it contains HTOA or is colored red), you have to perform either 1. a full image copy, 2. an index-based rip, 3. a range-based rip, or 4. regular track copy but with gaps appended [sic; actually ''pre''pended] to next track rather than previous.

			==See also==
			* [[Comparison of CD rippers]]

	==External links==		==External links==
	* [~~http~~://www.daefeatures.co.uk/htoa DAE Drive Features Database ~~- HTOA info and how to test a drive for HTOA extraction support]~~		* [https://www.daefeatures.co.uk/search?htoa=Yes List of drives with HTOA extraction support] at the DAE Drive Features Database
	* [http://www.daefeatures.co.uk/ ~~DAE Drive Features Database - homepage where you can search for~~ a drive's HTOA support]		* [http://www.daefeatures.co.uk/htoa How to test a drive for HTOA extraction support] at the DAE Drive Features Database
	* ~~[http~~://~~www~~.~~hydrogenaudio.org/forums~~/index.php~~?s=&showtopic=~~38551~~&view=findpost&p=340297 Hydrogenaudio forum thread on this topic]~~		* {{ha\|https://hydrogenaud.io/index.php/topic,38551.msg340297.html#msg340297}}


	~~{{stub~~}}

Korth: /* HTOA support in DAE software */

2020-02-24T15:07:54Z

HTOA support in DAE software

← Older revision		Revision as of 15:07, 24 February 2020
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	<!--please expand this list-->		<!--please expand this list-->
	* '''[[Exact Audio Copy]]''' - If the CD's table of contents (TOC) indicates track 01 index 00 is greater than 6 seconds, the info for track 1 will be colored red to indicate that HTOA might be present. In order to extract track 01 index 00 (regardless of whether it contains HTOA or is colored red), you have to perform either 1. a full image copy, 2. an index-based rip, 3. a range-based rip, or 4. regular track copy but with gaps appended [sic; actually ''pre''pended] to next track rather than previous.		* '''[[Exact Audio Copy]]''' - If the CD's table of contents (TOC) indicates track 01 index 00 is greater than 6 seconds, the info for track 1 will be colored red to indicate that HTOA might be present. In order to extract track 01 index 00 (regardless of whether it contains HTOA or is colored red), you have to perform either 1. a full image copy, 2. an index-based rip, 3. a range-based rip, or 4. regular track copy but with gaps appended [sic; actually ''pre''pended] to next track rather than previous.
			* See '''[[Comparison of CD rippers]]''' for additional DAE software with HTOA support.

	==External links==		==External links==

204.76.0.33: grammatical correction

2017-11-29T12:44:20Z

grammatical correction

← Older revision		Revision as of 12:44, 29 November 2017
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	Not all CDs have an index 00 portion of track 01, but among those that do, it's usually just a small amount of silence. This can be called HTOA, but generally, when talking about CD content, HTOA really only refers to non-silent audio data. For example, "I have a CD with HTOA" implies something other than silence precedes the main part of track 01.		Not all CDs have an index 00 portion of track 01, but among those that do, it's usually just a small amount of silence. This can be called HTOA, but generally, when talking about CD content, HTOA really only refers to non-silent audio data. For example, "I have a CD with HTOA" implies something other than silence precedes the main part of track 01.

	HTOA is also used to indicate whether a drive is capable of reading track 01 index 00 at all. For example, "My CD-ROM drive has HTOA support" means that it can extract audio from that region of the CD, regardless of ~~whether it's~~ silence.		HTOA is also used to indicate whether a drive is capable of reading track 01 index 00 at all. For example, "My CD-ROM drive has HTOA support" means that it can extract audio from that region of the CD, regardless of its silence.

	When people refer to a "hidden track" on a CD, they may mean HTOA, or they may mean the more common situation where the last track simply contains two songs separated by silence.		When people refer to a "hidden track" on a CD, they may mean HTOA, or they may mean the more common situation where the last track simply contains two songs separated by silence.

Evereux: Edited link to daedrive features hidden track one audio page due to site redesign.

2016-09-24T14:14:44Z

Edited link to daedrive features hidden track one audio page due to site redesign.

← Older revision		Revision as of 14:14, 24 September 2016
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	==External links==		==External links==
	* [http://www.daefeatures.co.uk/htoa~~.php~~ DAE Drive Features Database - HTOA info and how to test a drive for HTOA extraction support]		* [http://www.daefeatures.co.uk/htoa DAE Drive Features Database - HTOA info and how to test a drive for HTOA extraction support]
	* [http://www.daefeatures.co.uk/ DAE Drive Features Database - homepage where you can search for a drive's HTOA support]		* [http://www.daefeatures.co.uk/ DAE Drive Features Database - homepage where you can search for a drive's HTOA support]
	* [http://www.hydrogenaudio.org/forums/index.php?s=&showtopic=38551&view=findpost&p=340297 Hydrogenaudio forum thread on this topic]		* [http://www.hydrogenaudio.org/forums/index.php?s=&showtopic=38551&view=findpost&p=340297 Hydrogenaudio forum thread on this topic]

Greynol: EAC shows HTOA in red for tracks >6 seconds, not >=6 seconds, range rip added as an option.

2010-08-10T00:28:18Z

EAC shows HTOA in red for tracks >6 seconds, not >=6 seconds, range rip added as an option.

← Older revision		Revision as of 00:28, 10 August 2010
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	==HTOA support in DAE software==		==HTOA support in DAE software==
	<!--please expand this list-->		<!--please expand this list-->
	* '''[[Exact Audio Copy]]''' - If the CD's table of contents (TOC) indicates track 01 index 00 is 6 seconds ~~or more~~, the info for track 1 will be colored red to indicate that HTOA might be present. In order to extract track 01 index 00 (regardless of whether it contains HTOA or is colored red), you have to perform either 1. a full image copy, 2. an index-based rip, or 3. regular track copy but with gaps appended [sic; actually ''pre''pended] to next track rather than previous.		* '''[[Exact Audio Copy]]''' - If the CD's table of contents (TOC) indicates track 01 index 00 is greater than 6 seconds, the info for track 1 will be colored red to indicate that HTOA might be present. In order to extract track 01 index 00 (regardless of whether it contains HTOA or is colored red), you have to perform either 1. a full image copy, 2. an index-based rip, 3. a range-based rip, or 4. regular track copy but with gaps appended [sic; actually ''pre''pended] to next track rather than previous.

	==External links==		==External links==

Mjb: /* HTOA support in CD drives */ em dash

2010-08-03T05:05:20Z

HTOA support in CD drives: em dash

← Older revision		Revision as of 05:05, 3 August 2010
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	==HTOA support in CD drives==		==HTOA support in CD drives==
	Some computer CD drives aren't capable of reading audio data in the area of the disc prior to track 01 index 01 - some refuse to try, and some return false data (silence, even when it's not silent). This capability is independent of a drive's capability to overread into the lead-in or lead-out areas of the disc.		Some computer CD drives aren't capable of reading audio data in the area of the disc prior to track 01 index 01 — some refuse to try, and some return false data (silence, even when it's not silent). This capability is independent of a drive's capability to overread into the lead-in or lead-out areas of the disc.

	==HTOA support in DAE software==		==HTOA support in DAE software==

Mjb: /* HTOA support in DAE software */ clarification

2010-08-03T05:04:13Z

HTOA support in DAE software: clarification

← Older revision		Revision as of 05:04, 3 August 2010
Line 13:		Line 13:
	==HTOA support in DAE software==		==HTOA support in DAE software==
	<!--please expand this list-->		<!--please expand this list-->
	* '''[[Exact Audio Copy]]''' - If the CD's table of contents (TOC) indicates track 01 index 00 is 6 seconds or more, the info for track 1 will be colored red to indicate that HTOA might be present. In order to extract ~~the~~ HTOA, you have to perform either 1. a full image copy, 2. an index-based rip, or 3. regular track copy but with gaps appended [sic; actually ''pre''pended] to next track rather than previous.		* '''[[Exact Audio Copy]]''' - If the CD's table of contents (TOC) indicates track 01 index 00 is 6 seconds or more, the info for track 1 will be colored red to indicate that HTOA might be present. In order to extract track 01 index 00 (regardless of whether it contains HTOA or is colored red), you have to perform either 1. a full image copy, 2. an index-based rip, or 3. regular track copy but with gaps appended [sic; actually ''pre''pended] to next track rather than previous.

	==External links==		==External links==

Mjb: /* External links */ +HA thread where nuances of HTOA were discussed

2010-08-03T05:03:17Z

External links: +HA thread where nuances of HTOA were discussed

← Older revision		Revision as of 05:03, 3 August 2010
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	* [http://www.daefeatures.co.uk/htoa.php DAE Drive Features Database - HTOA info and how to test a drive for HTOA extraction support]		* [http://www.daefeatures.co.uk/htoa.php DAE Drive Features Database - HTOA info and how to test a drive for HTOA extraction support]
	* [http://www.daefeatures.co.uk/ DAE Drive Features Database - homepage where you can search for a drive's HTOA support]		* [http://www.daefeatures.co.uk/ DAE Drive Features Database - homepage where you can search for a drive's HTOA support]
			* [http://www.hydrogenaudio.org/forums/index.php?s=&showtopic=38551&view=findpost&p=340297 Hydrogenaudio forum thread on this topic]


	{{stub}}		{{stub}}

Mjb: added more info

2010-08-02T23:50:38Z

added more info

@@ Line 1: / Line 1: @@
-'''Hidden Track One Audio (HTOA)''' is non-silent audio data located in the index 00 portion ("pre-gap") of track 01 on an audio CD. CDs normally start playing a track at index 01, which comes after 00, so to hear HTOA, one has to manually scan backward from the start of track 01. Not all DAE (CD ripping) software can read HTOA.
+'''Hidden Track One Audio (HTOA)''' is non-silent audio data located in the index 00 portion ("pre-gap") of track 01 on an audio CD. CDs normally start playing a track at index 01, which comes after 00, so to hear HTOA, one has to manually scan backward from the start of track 01. Not all drives can access audio data in the pregap. Not all DAE (CD ripping) software supports reading such data, even if the drive does.
-The presence of index 00 data on track 01 doesn't necessarily mean there is HTOA. It's common for a small amount of silence to be in index 00. Sometimes it's a large amount of silence. Generally it's only considered HTOA if it's not silent.
+==Definitions==
 When people refer to a "hidden track" on a CD, they may mean HTOA, or they may mean the more common situation where the last track simply contains two songs separated by silence.

Mjb: new article for HTOA

2010-08-02T21:32:22Z

new article for HTOA

New page

'''Hidden Track One Audio (HTOA)''' is non-silent audio data located in the index 00 portion ("pre-gap") of track 01 on an audio CD. CDs normally start playing a track at index 01, which comes after 00, so to hear HTOA, one has to manually scan backward from the start of track 01. Not all DAE (CD ripping) software can read HTOA.

The presence of index 00 data on track 01 doesn't necessarily mean there is HTOA. It's common for a small amount of silence to be in index 00. Sometimes it's a large amount of silence. Generally it's only considered HTOA if it's not silent.

When people refer to a "hidden track" on a CD, they may mean HTOA, or they may mean the more common situation where the last track simply contains two songs separated by silence.