This is a 3-channel Mexican Spanish mobile speech database, which is collected over three mobile phone simultaneously (android mobiles, iPhone and windows phones) in Mexico and performed in a quiet environment. The prompts were the phonetically rich sentences. Due to the potential cognitive load of saying these sentences by the subjects, we took care to choose natural sentences of length between 5 and 25 words. The raw sentences are selected from different domain: Conversations, News, etc. We did remove a number of sentences that includes offensive or negative words or phrase. In order to achieve a good phone balance, we choose sentences from the sentences list to fill out our number. Finally, we had around 29995 unique sentences in our list of sentences, with each of them repeated less than 4 times among different speakers.The corpus contains the recordings of 270,711 utterances which were from 303 speakers. The recording time is about 477 hours (3-channel), including the leading silence (about 500 ms) and the trailing silence (about 500 ms). The total size of this database is about 51 GB.

This Taiwanese Speech Recognition database, which was collected in Taiwan, contains the voices of 2945 different native speakers who were demographic balanced according to age distribution (16-30, 31-45, 46-60), gender, dialectical regions, each speaker recorded 300 simple sentences in quiet environment, and there were 921905 audio files which were saved as uncompressed PCM files. All the speech data was manually transcribed and annotated. A pronunciation lexicon with a phonemic transcription is also included.

This is a 4-channel Spanish desktop speech database, which is collected over 4 different microphones simultaneously. The project was performed in Argentina, cover all the cities, for example: BuenosAires , Cordoba, Lanus, Cordoba...Each Speaker was recorded around 300 sentences which were selected from a pool of phonetically rich sentences in approximate 80 minutes as natural as possible. The recording was performed in a quiet office environment.This database is performed in quiet office environment. The corpus contains the recordings of 236,232 utterances of Spanish speech data which were from 200 speakers. The pure recording time is about 358 hours (4-channel), including the leading silence (about 500 ms) and the trailing silence (about 500 ms). The total size of this database is 141 GB.

This is a 3-channel Chilean Spanish speech database, which is collected over 3 different mobile operating systems: iOS, Android and Windows Phone platform. The project was performed in Chile, cover all the main cities. For example: Santiago, Rancagua, Antofagasta and Vi?a.300 speakers were recorded in total, and each speaker recorded in a quiet environment. The prompts were the phonetically rich sentences. The raw sentences are all selected from the News domain Twitter/Forum and SMS. We did remove a number of sentences that includes offensive or negative words or phrase. Finally, we had 108055 unique sentences in our list of sentences, that we generated the prompt sheets from with no more than 3 times for each. With discarding some unqualified utterances, the whole corpus contains the recordings of 268,704 utterances; the pure recording time is about 519 hours (including leading silence and tail silence). The total size of this database is about 55.8 G.